Merge pull request #3 from cwiki-us-docs/current

Current
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YuCheng Hu 2021-04-13 11:08:04 -04:00 committed by GitHub
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### Gradle ###
.gradle
build/
# Ignore Gradle GUI config
gradle-app.setting
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar
# Cache of project
.gradletasknamecache
# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
# gradle/wrapper/gradle-wrapper.properties
### Gradle Patch ###
**/build/
### Intellij ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/**/usage.statistics.xml
.idea/**/dictionaries
.idea/**/shelf
# Generated files
.idea/**/contentModel.xml
# Sensitive or high-churn files
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
.idea/**/dbnavigator.xml
# Gradle
.idea/**/gradle.xml
.idea/**/libraries
# Gradle and Maven with auto-import
# When using Gradle or Maven with auto-import, you should exclude module files,
# since they will be recreated, and may cause churn. Uncomment if using
# auto-import.
# .idea/modules.xml
# .idea/*.iml
# .idea/modules
# *.iml
# *.ipr
# CMake
cmake-build-*/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij Patch ###
# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
# *.iml
# modules.xml
# .idea/misc.xml
# *.ipr
# Sonarlint plugin
.idea/sonarlint
### Intellij+iml ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/**/usage.statistics.xml
.idea/**/dictionaries
.idea/**/shelf
# Generated files
.idea/**/contentModel.xml
# Sensitive or high-churn files
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
.idea/**/dbnavigator.xml
# Gradle
.idea/**/gradle.xml
.idea/**/libraries
# Gradle and Maven with auto-import
# When using Gradle or Maven with auto-import, you should exclude module files,
# since they will be recreated, and may cause churn. Uncomment if using
# auto-import.
# .idea/modules.xml
# .idea/*.iml
# .idea/modules
# *.iml
# *.ipr
# CMake
cmake-build-*/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij+iml Patch ###
# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
*.iml
modules.xml
.idea/misc.xml
*.ipr
### Maven ###
target/
pom.xml.tag
pom.xml.releaseBackup
pom.xml.versionsBackup
pom.xml.next
release.properties
dependency-reduced-pom.xml
buildNumber.properties
.mvn/timing.properties
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# CMake
cmake-build-*/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij Patch ###
# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
# *.iml
# modules.xml
# .idea/misc.xml
# *.ipr
# Sonarlint plugin
.idea/sonarlint
=======
>>>>>>> RB
# Binaries
*.7z
*.dmg
@ -86,3 +326,7 @@ Network Trash Folder
Temporary Items
.apdisk
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=======
>>>>>>> 361e407d91e00158295aadeaca0a91d84a534820
>>>>>>> RB

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</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK" />
</project>

8
.idea/modules.xml Normal file
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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/lang-tutorial.iml" filepath="$PROJECT_DIR$/lang-tutorial.iml" />
</modules>
</component>
</project>

6
.idea/vcs.xml Normal file
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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

138
.idea/workspace.xml Normal file
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@ -0,0 +1,138 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="AutoImportSettings">
<option name="autoReloadType" value="SELECTIVE" />
</component>
<component name="ChangeListManager">
<list default="true" id="bc4dcfec-3698-4fde-a6cf-dd08b73f1f06" name="Default Changelist" comment="" />
<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
<option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
<option name="LAST_RESOLUTION" value="IGNORE" />
</component>
<component name="CodeStyleSettingsInfer">
<option name="done" value="true" />
</component>
<component name="Git.Settings">
<option name="RECENT_BRANCH_BY_REPOSITORY">
<map>
<entry key="$PROJECT_DIR$" value="current" />
</map>
</option>
<option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
</component>
<component name="GitSEFilterConfiguration">
<file-type-list>
<filtered-out-file-type name="LOCAL_BRANCH" />
<filtered-out-file-type name="REMOTE_BRANCH" />
<filtered-out-file-type name="TAG" />
<filtered-out-file-type name="COMMIT_BY_MESSAGE" />
</file-type-list>
</component>
<component name="ProjectCodeStyleSettingsMigration">
<option name="version" value="1" />
</component>
<component name="ProjectId" id="1r1Zx6oqLWRPWaxq39M8I4kCZrQ" />
<component name="ProjectLevelVcsManager" settingsEditedManually="true" />
<component name="ProjectViewState">
<option name="hideEmptyMiddlePackages" value="true" />
<option name="showLibraryContents" value="true" />
</component>
<component name="PropertiesComponent">
<property name="Git.Branch.Popup.ShowAllRemotes" value="true" />
<property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
<property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
<property name="WebServerToolWindowFactoryState" value="false" />
<property name="aspect.path.notification.shown" value="true" />
<property name="last_opened_file_path" value="$PROJECT_DIR$/toolkits/discourse" />
</component>
<component name="RecentsManager">
<key name="CopyFile.RECENT_KEYS">
<recent name="C:\WorkDir\GitHub\cwiki-us-docs\java-tutorials\toolkits\discourse" />
<recent name="C:\WorkDir\GitHub\cwiki-us-docs\java-tutorials\toolkits" />
<recent name="C:\WorkDir\GitHub\cwiki-us-docs\java-tutorials\toolkits\test\java\com\ossez\edtestbank\service\test" />
<recent name="C:\WorkDir\GitHub\cwiki-us-docs\java-tutorials\src\test" />
</key>
<key name="MoveFile.RECENT_KEYS">
<recent name="C:\WorkDir\GitHub\cwiki-us-docs\java-tutorials\src\test\java\com\ossez\lang\tutorial\tests" />
</key>
</component>
<component name="RunManager">
<configuration default="true" type="ArquillianJUnit" factoryName="" nameIsGenerated="true">
<option name="arquillianRunConfiguration">
<value>
<option name="containerStateName" value="" />
</value>
</option>
<option name="TEST_OBJECT" value="class" />
<method v="2">
<option name="Make" enabled="true" />
</method>
</configuration>
</component>
<component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
<component name="TaskManager">
<task active="true" id="Default" summary="Default task">
<changelist id="bc4dcfec-3698-4fde-a6cf-dd08b73f1f06" name="Default Changelist" comment="" />
<created>1618145802441</created>
<option name="number" value="Default" />
<option name="presentableId" value="Default" />
<updated>1618145802441</updated>
<workItem from="1618145805266" duration="1634000" />
<workItem from="1618147512704" duration="6933000" />
<workItem from="1618246818887" duration="17236000" />
</task>
<task id="LOCAL-00001" summary="更新 POM 文件">
<created>1618147556538</created>
<option name="number" value="00001" />
<option name="presentableId" value="LOCAL-00001" />
<option name="project" value="LOCAL" />
<updated>1618147556538</updated>
</task>
<task id="LOCAL-00002" summary="Discourse Topic import">
<created>1618147882644</created>
<option name="number" value="00002" />
<option name="presentableId" value="LOCAL-00002" />
<option name="project" value="LOCAL" />
<updated>1618147882644</updated>
</task>
<task id="LOCAL-00003" summary="项目的 POM 配置文件&#10;# Conflicts:&#10;#&#9;pom.xml">
<created>1618151038853</created>
<option name="number" value="00003" />
<option name="presentableId" value="LOCAL-00003" />
<option name="project" value="LOCAL" />
<updated>1618151038853</updated>
</task>
<task id="LOCAL-00004" summary="Discourse">
<created>1618157753954</created>
<option name="number" value="00004" />
<option name="presentableId" value="LOCAL-00004" />
<option name="project" value="LOCAL" />
<updated>1618157753954</updated>
</task>
<option name="localTasksCounter" value="5" />
<servers />
</component>
<component name="TypeScriptGeneratedFilesManager">
<option name="version" value="3" />
</component>
<component name="Vcs.Log.Tabs.Properties">
<option name="TAB_STATES">
<map>
<entry key="MAIN">
<value>
<State />
</value>
</entry>
</map>
</option>
<option name="oldMeFiltersMigrated" value="true" />
</component>
<component name="VcsManagerConfiguration">
<MESSAGE value="更新 POM 文件" />
<MESSAGE value="Discourse Topic import" />
<MESSAGE value="项目的 POM 配置文件&#10;# Conflicts:&#10;#&#9;pom.xml" />
<MESSAGE value="Discourse" />
<option name="LAST_COMMIT_MESSAGE" value="Discourse" />
</component>
</project>

9
.travis.yml Normal file
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@ -0,0 +1,9 @@
sudo: false
language: java
jdk:
- oraclejdk8
script:
- test/run.sh
notifications:
slack:
secure: wjhq7HXbbe3Tdu9UI+3BVNRjW/QMhjhbhoXypMBS+A6MC58rU4oT7VPRiG4xi+sCjUfjP3ZmWmmy/t5RH89T/Vs9DuZlqxT4j28y5N5GZvlBTn3/nvMTFJ8hnW3E9xTiFEgMjXvuEbtrMpXicTTu+NyuZTDEHHfcgwnJJrGdOSY=

2
CONTRIBUTING.adoc Normal file
View File

@ -0,0 +1,2 @@
If you have not previously done so, please fill out and
submit the https://cla.pivotal.io/sign/spring[Contributor License Agreement].

16
LICENSE.code.txt Normal file
View File

@ -0,0 +1,16 @@
All code in this repository is:
=======================================================================
Copyright (c) 2013 GoPivotal, Inc. All Rights Reserved
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

1
LICENSE.writing.txt Normal file
View File

@ -0,0 +1 @@
Except where otherwise noted, this work is licensed under https://creativecommons.org/licenses/by-nd/3.0/

12
README.md Normal file
View File

@ -0,0 +1,12 @@
<p align="center">
<a href="https://www.hackerrank.com/huyuchengus">
<img height=85 src="https://avatars1.githubusercontent.com/u/45009982?s=200&v=4">
</a>
<br>提供 CWIKI.US 项目中使用的代码
</p>
所有的 Java 代码使用的是 JDK 8。
你可以通过单击下面连接后访问我们网站,并且访问我们提供的最新有关 Java 的开发资料。
* [概述](https://www.cwiki.us/pages/viewpage.action?pageId=37492282)

75
build.gradle Normal file
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@ -0,0 +1,75 @@
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath("org.springframework.boot:spring-boot-gradle-plugin:2.1.4.RELEASE")
}
}
plugins {
id 'io.spring.dependency-management' version '1.0.8.RELEASE' apply false
id 'org.jetbrains.kotlin.jvm' version '1.3.50' apply false
id 'org.jetbrains.dokka' version '0.9.18' apply false
id 'org.asciidoctor.convert' version '1.5.8'
id 'io.spring.nohttp' version '0.0.3.RELEASE'
id 'de.undercouch.download' version '4.0.0'
id 'com.gradle.build-scan' version '2.4.2'
id "com.jfrog.artifactory" version '4.9.8' apply false
id "io.freefair.aspectj" version "4.1.1" apply false
id "com.github.ben-manes.versions" version "0.24.0"
}
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'
bootJar {
baseName = 'cwiki-us-spring-batch-processing'
version = '0.1.0'
}
repositories {
maven { url "https://maven.ossez.com/repository/internal" }
mavenCentral()
}
sourceCompatibility = 1.8
targetCompatibility = 1.8
configure(allprojects) { project ->
apply plugin: 'java'
dependencies {
// LOG
compile 'ch.qos.logback:logback-classic:1.2.3'
compile 'org.hsqldb:hsqldb:2.5.0'
testCompile("junit:junit:4.12")
}
repositories {
maven { url "https://maven.ossez.com/repository/internal" }
mavenCentral()
}
}
configure(rootProject) {
description = "Spring Framework"
apply plugin: "groovy"
apply plugin: "kotlin"
apply plugin: "io.spring.nohttp"
dependencies {
asciidoctor("io.spring.asciidoctor:spring-asciidoctor-extensions:0.1.3.RELEASE")
}
}

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@ -0,0 +1,10 @@
## Core Java Modules
This module contains modules about core Java
## Relevant articles:
- [Multi-Module Maven Application with Java Modules](https://www.baeldung.com/maven-multi-module-project-java-jpms)
- [Guide to Java FileChannel](https://www.baeldung.com/java-filechannel)
- [Understanding the NumberFormatException in Java](https://www.baeldung.com/java-number-format-exception)
- [Will an Error Be Caught by Catch Block in Java?](https://www.baeldung.com/java-error-catch)

View File

@ -0,0 +1,235 @@
### Gradle ###
.gradle
build/
# Ignore Gradle GUI config
gradle-app.setting
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar
# Cache of project
.gradletasknamecache
# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
# gradle/wrapper/gradle-wrapper.properties
### Gradle Patch ###
**/build/
### Intellij ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/**/usage.statistics.xml
.idea/**/dictionaries
.idea/**/shelf
# Generated files
.idea/**/contentModel.xml
# Sensitive or high-churn files
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
.idea/**/dbnavigator.xml
# Gradle
.idea/**/gradle.xml
.idea/**/libraries
# Gradle and Maven with auto-import
# When using Gradle or Maven with auto-import, you should exclude module files,
# since they will be recreated, and may cause churn. Uncomment if using
# auto-import.
# .idea/modules.xml
# .idea/*.iml
# .idea/modules
# *.iml
# *.ipr
# CMake
cmake-build-*/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij Patch ###
# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
# *.iml
# modules.xml
# .idea/misc.xml
# *.ipr
# Sonarlint plugin
.idea/sonarlint
### Intellij+iml ###
# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
# User-specific stuff
.idea/**/workspace.xml
.idea/**/tasks.xml
.idea/**/usage.statistics.xml
.idea/**/dictionaries
.idea/**/shelf
# Generated files
.idea/**/contentModel.xml
# Sensitive or high-churn files
.idea/**/dataSources/
.idea/**/dataSources.ids
.idea/**/dataSources.local.xml
.idea/**/sqlDataSources.xml
.idea/**/dynamic.xml
.idea/**/uiDesigner.xml
.idea/**/dbnavigator.xml
# Gradle
.idea/**/gradle.xml
.idea/**/libraries
# Gradle and Maven with auto-import
# When using Gradle or Maven with auto-import, you should exclude module files,
# since they will be recreated, and may cause churn. Uncomment if using
# auto-import.
# .idea/modules.xml
# .idea/*.iml
# .idea/modules
# *.iml
# *.ipr
# CMake
cmake-build-*/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij+iml Patch ###
# Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-249601023
*.iml
modules.xml
.idea/misc.xml
*.ipr
### Maven ###
target/
pom.xml.tag
pom.xml.releaseBackup
pom.xml.versionsBackup
pom.xml.next
release.properties
dependency-reduced-pom.xml
buildNumber.properties
.mvn/timing.properties
.mvn/wrapper/maven-wrapper.jar
.flattened-pom.xml
# CMake
cmake-build-*/
# Mongo Explorer plugin
.idea/**/mongoSettings.xml
# File-based project format
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Cursive Clojure plugin
.idea/replstate.xml
# Crashlytics plugin (for Android Studio and IntelliJ)
com_crashlytics_export_strings.xml
crashlytics.properties
crashlytics-build.properties
fabric.properties
# Editor-based Rest Client
.idea/httpRequests
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
### Intellij Patch ###
# Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721
# *.iml
# modules.xml
# .idea/misc.xml
# *.ipr
# Sonarlint plugin
.idea/sonarlint

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@ -0,0 +1,11 @@
=========
## Core Java Cookbooks and Examples
### 相关的文章:
- [Java @Override Annotation](https://www.baeldung.com/java-override)
- [Java @SuppressWarnings Annotation](https://www.baeldung.com/java-suppresswarnings)
- [Java @SafeVarargs Annotation](https://www.baeldung.com/java-safevarargs)
- [Java @Deprecated Annotation注解](https://www.cwiki.us/display/JAVAZH/Java+@Deprecated+Annotation)
- [Overview of Java Built-in Annotations](https://www.baeldung.com/java-default-annotations)
- [Creating a Custom Annotation in Java](https://www.baeldung.com/java-custom-annotation)

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@ -0,0 +1,83 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ossez</groupId>
<artifactId>core-java-annotations</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>core-java-annotations</name>
<packaging>jar</packaging>
<parent>
<groupId>com.ossez</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-java</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>${jmh-core.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>${jmh-generator.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-bytecode</artifactId>
<version>${jmh-generator.version}</version>
</dependency>
</dependencies>
<build>
<finalName>core-java-annotations</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
</configuration>
</plugin>
</plugins>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
</build>
<properties>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
<asspectj.version>1.8.9</asspectj.version>
<jmh-core.version>1.19</jmh-core.version>
<jmh-generator.version>1.19</jmh-generator.version>
<!-- plugins -->
<maven-surefire-plugin.version>2.22.1</maven-surefire-plugin.version>
</properties>
</project>

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@ -0,0 +1,5 @@
package com.ossez.annotations;
@Deprecated
class ClassWithAnnotation {
}

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@ -0,0 +1,23 @@
package com.ossez.annotations;
public class ClassWithDeprecatedMethod {
/**
* Calculate period between versions
* * @deprecated
* * This method is no longer acceptable to compute time between versions.
* * <p> Use {@link ClassWithDeprecatedMethod#updatedMethod()} instead.
*/
@Deprecated
public static void deprecatedMethod() {
}
/**
* Updated Method instead of deprecatedMethod.
*/
public static void updatedMethod() {
}
}

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@ -0,0 +1,11 @@
package com.ossez.annotations;
class ClassWithSafeVarargs<T> {
@SafeVarargs
final void iterateOverVarargs(T... args) {
for (T x : args) {
// do stuff with x
}
}
}

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@ -0,0 +1,9 @@
package com.ossez.annotations;
class ClassWithSuppressWarnings {
@SuppressWarnings("deprecation")
void useDeprecatedMethod() {
ClassWithDeprecatedMethod.deprecatedMethod(); // no warning is generated here
}
}

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@ -0,0 +1,8 @@
package com.ossez.annotations;
@FunctionalInterface
interface IntConsumer {
void accept(Integer number);
}

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@ -0,0 +1,8 @@
package com.ossez.annotations;
import java.lang.annotation.Repeatable;
@Repeatable(Intervals.class)
@interface Interval {
int hour() default 1;
}

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@ -0,0 +1,9 @@
package com.ossez.annotations;
public class IntervalUsage {
@Interval(hour = 17)
@Interval(hour = 13)
void doPeriodicCleanup() {
}
}

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@ -0,0 +1,5 @@
package com.ossez.annotations;
@interface Intervals {
Interval[] value();
}

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@ -0,0 +1,11 @@
package com.ossez.annotations;
import java.lang.annotation.*;
@Inherited
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.LOCAL_VARIABLE, ElementType.FIELD})
@interface MyAnnotation {
}

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@ -0,0 +1,16 @@
package com.ossez.annotations;
class MyAnnotationTarget {
// this is OK
@MyAnnotation
String someField;
// @MyAnnotation <- this is invalid usage!
void doSomething() {
// this also works
@MyAnnotation
String localVariable;
}
}

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@ -0,0 +1,6 @@
package com.ossez.annotations;
interface MyOperation {
void perform();
}

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@ -0,0 +1,9 @@
package com.ossez.annotations;
class MyOperationImpl implements MyOperation {
@Override
public void perform() {
}
}

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@ -0,0 +1,13 @@
package com.ossez.customannotations;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
@Retention(RUNTIME)
@Target(METHOD)
public @interface Init {
}

View File

@ -0,0 +1,13 @@
package com.ossez.customannotations;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
@Retention(RUNTIME)
@Target({ FIELD })
public @interface JsonElement {
public String key() default "";
}

View File

@ -0,0 +1,13 @@
package com.ossez.customannotations;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
@Retention(RUNTIME)
@Target(TYPE)
public @interface JsonSerializable {
}

View File

@ -0,0 +1,10 @@
package com.ossez.customannotations;
public class JsonSerializationException extends RuntimeException {
private static final long serialVersionUID = 1L;
public JsonSerializationException(String message) {
super(message);
}
}

View File

@ -0,0 +1,67 @@
package com.ossez.customannotations;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
public class ObjectToJsonConverter {
public String convertToJson(Object object) throws JsonSerializationException {
try {
checkIfSerializable(object);
initializeObject(object);
return getJsonString(object);
} catch (Exception e) {
throw new JsonSerializationException(e.getMessage());
}
}
private void checkIfSerializable(Object object) {
if (Objects.isNull(object)) {
throw new JsonSerializationException("Can't serialize a null object");
}
Class<?> clazz = object.getClass();
if (!clazz.isAnnotationPresent(JsonSerializable.class)) {
throw new JsonSerializationException("The class " + clazz.getSimpleName() + " is not annotated with JsonSerializable");
}
}
private void initializeObject(Object object) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {
Class<?> clazz = object.getClass();
for (Method method : clazz.getDeclaredMethods()) {
if (method.isAnnotationPresent(Init.class)) {
method.setAccessible(true);
method.invoke(object);
}
}
}
private String getJsonString(Object object) throws IllegalArgumentException, IllegalAccessException {
Class<?> clazz = object.getClass();
Map<String, String> jsonElementsMap = new HashMap<>();
for (Field field : clazz.getDeclaredFields()) {
field.setAccessible(true);
if (field.isAnnotationPresent(JsonElement.class)) {
jsonElementsMap.put(getKey(field), (String) field.get(object));
}
}
String jsonString = jsonElementsMap.entrySet()
.stream()
.map(entry -> "\"" + entry.getKey() + "\":\"" + entry.getValue() + "\"")
.collect(Collectors.joining(","));
return "{" + jsonString + "}";
}
private String getKey(Field field) {
String value = field.getAnnotation(JsonElement.class)
.key();
return value.isEmpty() ? field.getName() : value;
}
}

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@ -0,0 +1,66 @@
package com.ossez.customannotations;
@JsonSerializable
public class Person {
@JsonElement
private String firstName;
@JsonElement
private String lastName;
@JsonElement(key = "personAge")
private String age;
private String address;
public Person(String firstName, String lastName) {
super();
this.firstName = firstName;
this.lastName = lastName;
}
public Person(String firstName, String lastName, String age) {
this.firstName = firstName;
this.lastName = lastName;
this.age = age;
}
@Init
private void initNames() {
this.firstName = this.firstName.substring(0, 1)
.toUpperCase() + this.firstName.substring(1);
this.lastName = this.lastName.substring(0, 1)
.toUpperCase() + this.lastName.substring(1);
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
}

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@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

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@ -0,0 +1,12 @@
package com.ossez.annotations;
import org.junit.jupiter.api.Test;
public class DeprecatedTest {
@Test
public void testStrikesWarning() {
ClassWithDeprecatedMethod.deprecatedMethod();
}
}

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@ -0,0 +1,26 @@
package com.ossez.customannotations;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import org.junit.jupiter.api.Test;
public class JsonSerializerUnitTest {
@Test
public void givenObjectNotSerializedThenExceptionThrown() throws JsonSerializationException {
Object object = new Object();
ObjectToJsonConverter serializer = new ObjectToJsonConverter();
assertThrows(JsonSerializationException.class, () -> {
serializer.convertToJson(object);
});
}
@Test
public void givenObjectSerializedThenTrueReturned() throws JsonSerializationException {
Person person = new Person("soufiane", "cheouati", "34");
ObjectToJsonConverter serializer = new ObjectToJsonConverter();
String jsonString = serializer.convertToJson(person);
assertEquals("{\"personAge\":\"34\",\"firstName\":\"Soufiane\",\"lastName\":\"Cheouati\"}", jsonString);
}
}

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@ -0,0 +1,5 @@
0.*
# Files generated by integration tests
# *.txt
/temp

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## Core Java IO
This module contains articles about core Java input and output (IO)
### Relevant Articles:
- [How to Read a Large File Efficiently with Java](http://www.baeldung.com/java-read-lines-large-file)
- [Java InputStream to String](http://www.baeldung.com/convert-input-stream-to-string)
- [Java Write to File](http://www.baeldung.com/java-write-to-file)
- [Java Convert File to InputStream](http://www.baeldung.com/convert-file-to-input-stream)
- [Java Scanner](http://www.baeldung.com/java-scanner)
- [Java Byte Array to Writer](http://www.baeldung.com/java-convert-byte-array-to-writer)
- [Java Directory Size](http://www.baeldung.com/java-folder-size)
- [Differences Between the Java WatchService API and the Apache Commons IO Monitor Library](http://www.baeldung.com/java-watchservice-vs-apache-commons-io-monitor-library)
- [File Size in Java](http://www.baeldung.com/java-file-size)
- [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](http://www.baeldung.com/java-path)
- [Using Java MappedByteBuffer](http://www.baeldung.com/java-mapped-byte-buffer)
- [How to Copy a File with Java](http://www.baeldung.com/java-copy-file)
- [Java Append Data to a File](http://www.baeldung.com/java-append-to-file)
- [FileNotFoundException in Java](http://www.baeldung.com/java-filenotfound-exception)
- [How to Read a File in Java](http://www.baeldung.com/reading-file-in-java)
- [A Guide To NIO2 Asynchronous File Channel](http://www.baeldung.com/java-nio2-async-file-channel)
- [A Guide To NIO2 FileVisitor](http://www.baeldung.com/java-nio2-file-visitor)
- [A Guide To NIO2 File Attribute APIs](http://www.baeldung.com/java-nio2-file-attribute)
- [Introduction to the Java NIO2 File API](http://www.baeldung.com/java-nio-2-file-api)
- [Zipping and Unzipping in Java](http://www.baeldung.com/java-compress-and-uncompress)
- [Java NIO2 Path API](http://www.baeldung.com/java-nio-2-path)
- [A Guide to WatchService in Java NIO2](http://www.baeldung.com/java-nio2-watchservice)
- [Guide to Java NIO2 Asynchronous Channel APIs](http://www.baeldung.com/java-nio-2-async-channels)
- [A Guide to NIO2 Asynchronous Socket Channel](http://www.baeldung.com/java-nio2-async-socket-channel)
- [Download a File From an URL in Java](http://www.baeldung.com/java-download-file)
- [Create a Symbolic Link with Java](http://www.baeldung.com/java-symlink)
- [Quick Use of FilenameFilter](http://www.baeldung.com/java-filename-filter)
- [Read a File into an ArrayList](https://www.baeldung.com/java-file-to-arraylist)
- [Guide to Java OutputStream](https://www.baeldung.com/java-outputstream)
- [Reading a CSV File into an Array](https://www.baeldung.com/java-csv-file-array)
- [Guide to BufferedReader](https://www.baeldung.com/java-buffered-reader)
- [How to Get the File Extension of a File in Java](http://www.baeldung.com/java-file-extension)
- [Getting a Files Mime Type in Java](http://www.baeldung.com/java-file-mime-type)
- [Create a Directory in Java](https://www.baeldung.com/java-create-directory)
- [How to Write to a CSV File in Java](https://www.baeldung.com/java-csv)
- [List Files in a Directory in Java](https://www.baeldung.com/java-list-directory-files)
- [Java InputStream to Byte Array and ByteBuffer](https://www.baeldung.com/convert-input-stream-to-array-of-bytes)
- [Introduction to the Java NIO Selector](https://www.baeldung.com/java-nio-selector)
- [[More -->]](/core-java-modules/core-java-io-2)

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-java-io</artifactId>
<version>0.0.1</version>
<name>core-java-io</name>
<packaging>jar</packaging>
<parent>
<groupId>com.ossez</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1</version>
<relativePath>../../parent-java</relativePath>
</parent>
<dependencies>
<!-- utils -->
<dependency>
<groupId>net.sourceforge.collections</groupId>
<artifactId>collections-generic</artifactId>
<version>${collections-generic.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-math3</artifactId>
<version>${commons-math3.version}</version>
</dependency>
<dependency>
<groupId>org.decimal4j</groupId>
<artifactId>decimal4j</artifactId>
<version>${decimal4j.version}</version>
</dependency>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>${bouncycastle.version}</version>
</dependency>
<dependency>
<groupId>org.unix4j</groupId>
<artifactId>unix4j-command</artifactId>
<version>${unix4j.version}</version>
</dependency>
<dependency>
<groupId>com.googlecode.grep4j</groupId>
<artifactId>grep4j</artifactId>
<version>${grep4j.version}</version>
</dependency>
<!-- web -->
<!-- marshalling -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- logging -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.jayway.awaitility</groupId>
<artifactId>awaitility</artifactId>
<version>${avaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons-codec.version}</version>
</dependency>
<dependency>
<groupId>org.javamoney</groupId>
<artifactId>moneta</artifactId>
<version>${moneta.version}</version>
</dependency>
<dependency>
<groupId>org.owasp.esapi</groupId>
<artifactId>esapi</artifactId>
<version>${esapi.version}</version>
</dependency>
<dependency>
<groupId>com.sun.messaging.mq</groupId>
<artifactId>fscontext</artifactId>
<version>${fscontext.version}</version>
</dependency>
<dependency>
<groupId>com.codepoetics</groupId>
<artifactId>protonpack</artifactId>
<version>${protonpack.version}</version>
</dependency>
<dependency>
<groupId>one.util</groupId>
<artifactId>streamex</artifactId>
<version>${streamex.version}</version>
</dependency>
<dependency>
<groupId>io.vavr</groupId>
<artifactId>vavr</artifactId>
<version>${vavr.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>${jmh-core.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>${jmh-generator-annprocess.version}</version>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>${hsqldb.version}</version>
<scope>runtime</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.asynchttpclient/async-http-client -->
<dependency>
<groupId>org.asynchttpclient</groupId>
<artifactId>async-http-client</artifactId>
<version>${async-http-client.version}</version>
</dependency>
<dependency>
<groupId>com.opencsv</groupId>
<artifactId>opencsv</artifactId>
<version>${opencsv.version}</version>
<scope>test</scope>
</dependency>
<!-- Mime Type Resolution Libraries -->
<dependency>
<groupId>org.apache.tika</groupId>
<artifactId>tika-core</artifactId>
<version>${tika.version}</version>
</dependency>
<dependency>
<groupId>net.sf.jmimemagic</groupId>
<artifactId>jmimemagic</artifactId>
<version>${jmime-magic.version}</version>
</dependency>
<dependency>
<groupId>com.nimbusds</groupId>
<artifactId>nimbus-jose-jwt</artifactId>
<version>9.0.1</version>
</dependency>
</dependencies>
<build>
<finalName>core-java-io</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.ossez.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
<arguments>
<argument>-Xmx300m</argument>
<argument>-XX:+UseParallelGC</argument>
<argument>-classpath</argument>
<classpath />
<argument>com.ossez.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
</arguments>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>${maven-javadoc-plugin.version}</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
</configuration>
</plugin>
<plugin>
<!-- Build an executable JAR -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>${maven-jar-plugin.version}</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.ossez.resource.MyResourceLoader</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>integration</id>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<executions>
<execution>
<id>run-benchmarks</id>
<!-- <phase>integration-test</phase> -->
<phase>none</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<classpathScope>test</classpathScope>
<executable>java</executable>
<arguments>
<argument>-classpath</argument>
<classpath />
<argument>org.openjdk.jmh.Main</argument>
<argument>.*</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<!-- util -->
<bouncycastle.version>1.55</bouncycastle.version>
<commons-codec.version>1.10</commons-codec.version>
<commons-math3.version>3.6.1</commons-math3.version>
<decimal4j.version>1.0.3</decimal4j.version>
<commons-collections4.version>4.1</commons-collections4.version>
<collections-generic.version>4.01</collections-generic.version>
<unix4j.version>0.4</unix4j.version>
<grep4j.version>1.8.7</grep4j.version>
<fscontext.version>4.6-b01</fscontext.version>
<protonpack.version>1.13</protonpack.version>
<streamex.version>0.6.5</streamex.version>
<vavr.version>0.9.0</vavr.version>
<opencsv.version>4.1</opencsv.version>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
<avaitility.version>1.7.0</avaitility.version>
<!-- maven plugins -->
<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
<hsqldb.version>2.4.0</hsqldb.version>
<esapi.version>2.1.0.1</esapi.version>
<jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
<async-http-client.version>2.4.5</async-http-client.version>
<!-- Mime Type Libraries -->
<tika.version>1.18</tika.version>
<jmime-magic.version>0.1.5</jmime-magic.version>
<maven-jar-plugin.version>3.1.0</maven-jar-plugin.version>
</properties>
</project>

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@ -0,0 +1,84 @@
package com.ossez.bufferedreader;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.stream.Collectors;
public class BufferedReaderExample {
public String readAllLines(BufferedReader reader) throws IOException {
StringBuilder content = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
content.append(line);
content.append(System.lineSeparator());
}
return content.toString();
}
public String readAllLinesWithStream(BufferedReader reader) {
return reader
.lines()
.collect(Collectors.joining(System.lineSeparator()));
}
public String readAllCharsOneByOne(BufferedReader reader) throws IOException {
StringBuilder content = new StringBuilder();
int value;
while ((value = reader.read()) != -1) {
content.append((char) value);
}
return content.toString();
}
public String readMultipleChars(BufferedReader reader) throws IOException {
int length = 5;
char[] chars = new char[length];
int charsRead = reader.read(chars, 0, length);
String result;
if (charsRead != -1) {
result = new String(chars, 0, charsRead);
} else {
result = "";
}
return result;
}
public String readFile() {
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader("src/main/resources/input.txt"));
String content = readAllLines(reader);
return content;
} catch (IOException e) {
e.printStackTrace();
return null;
} finally {
try {
if (reader != null) {
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
public String readFileTryWithResources() {
try (BufferedReader reader = new BufferedReader(new FileReader("src/main/resources/input.txt"))) {
String content = readAllLines(reader);
return content;
} catch (IOException e) {
e.printStackTrace();
return null;
}
}
}

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@ -0,0 +1,22 @@
package com.ossez.csv;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class WriteCsvFileExample {
public String convertToCSV(String[] data) {
return Stream.of(data)
.map(this::escapeSpecialCharacters)
.collect(Collectors.joining(","));
}
public String escapeSpecialCharacters(String data) {
String escapedData = data.replaceAll("\\R", " ");
if (data.contains(",") || data.contains("\"") || data.contains("'")) {
data = data.replace("\"", "\"\"");
escapedData = "\"" + data + "\"";
}
return escapedData;
}
}

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@ -0,0 +1,42 @@
package com.ossez.dirmonitoring;
import org.apache.commons.io.monitor.FileAlterationListener;
import org.apache.commons.io.monitor.FileAlterationListenerAdaptor;
import org.apache.commons.io.monitor.FileAlterationMonitor;
import org.apache.commons.io.monitor.FileAlterationObserver;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
public class DirectoryMonitoringExample {
private static final Logger LOG = LoggerFactory.getLogger(DirectoryMonitoringExample.class);
private static final int POLL_INTERVAL = 500;
public static void main(String[] args) throws Exception {
FileAlterationObserver observer = new FileAlterationObserver(System.getProperty("user.home"));
FileAlterationMonitor monitor = new FileAlterationMonitor(POLL_INTERVAL);
FileAlterationListener listener = new FileAlterationListenerAdaptor() {
@Override
public void onFileCreate(File file) {
LOG.debug("File: " + file.getName() + " created");
}
@Override
public void onFileDelete(File file) {
LOG.debug("File: " + file.getName() + " deleted");
}
@Override
public void onFileChange(File file) {
LOG.debug("File: " + file.getName() + " changed");
}
};
observer.addListener(listener);
monitor.addObserver(observer);
monitor.start();
}
}

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package com.ossez.download;
import org.apache.commons.io.FileUtils;
import org.asynchttpclient.*;
import java.io.*;
import java.net.*;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.channels.ReadableByteChannel;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.concurrent.ExecutionException;
public class FileDownload {
public static void downloadWithJavaIO(String url, String localFilename) {
try (BufferedInputStream in = new BufferedInputStream(new URL(url).openStream()); FileOutputStream fileOutputStream = new FileOutputStream(localFilename)) {
byte dataBuffer[] = new byte[1024];
int bytesRead;
while ((bytesRead = in.read(dataBuffer, 0, 1024)) != -1) {
fileOutputStream.write(dataBuffer, 0, bytesRead);
}
} catch (IOException e) {
e.printStackTrace();
}
}
public static void downloadWithJava7IO(String url, String localFilename) {
try (InputStream in = new URL(url).openStream()) {
Files.copy(in, Paths.get(localFilename), StandardCopyOption.REPLACE_EXISTING);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void downloadWithJavaNIO(String fileURL, String localFilename) throws IOException {
URL url = new URL(fileURL);
try (ReadableByteChannel readableByteChannel = Channels.newChannel(url.openStream());
FileOutputStream fileOutputStream = new FileOutputStream(localFilename); FileChannel fileChannel = fileOutputStream.getChannel()) {
fileChannel.transferFrom(readableByteChannel, 0, Long.MAX_VALUE);
fileOutputStream.close();
}
}
public static void downloadWithApacheCommons(String url, String localFilename) {
int CONNECT_TIMEOUT = 10000;
int READ_TIMEOUT = 10000;
try {
FileUtils.copyURLToFile(new URL(url), new File(localFilename), CONNECT_TIMEOUT, READ_TIMEOUT);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void downloadWithAHC(String url, String localFilename) throws ExecutionException, InterruptedException, IOException {
FileOutputStream stream = new FileOutputStream(localFilename);
AsyncHttpClient client = Dsl.asyncHttpClient();
client.prepareGet(url)
.execute(new AsyncCompletionHandler<FileOutputStream>() {
@Override
public State onBodyPartReceived(HttpResponseBodyPart bodyPart) throws Exception {
stream.getChannel()
.write(bodyPart.getBodyByteBuffer());
return State.CONTINUE;
}
@Override
public FileOutputStream onCompleted(Response response) throws Exception {
return stream;
}
})
.get();
stream.getChannel().close();
client.close();
}
}

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@ -0,0 +1,62 @@
package com.ossez.download;
import java.io.*;
import java.net.*;
public class ResumableDownload {
public static long downloadFile(String downloadUrl, String saveAsFileName) throws IOException, URISyntaxException {
File outputFile = new File(saveAsFileName);
URLConnection downloadFileConnection = new URI(downloadUrl).toURL()
.openConnection();
return transferDataAndGetBytesDownloaded(downloadFileConnection, outputFile);
}
private static long transferDataAndGetBytesDownloaded(URLConnection downloadFileConnection, File outputFile) throws IOException {
long bytesDownloaded = 0;
try (InputStream is = downloadFileConnection.getInputStream(); OutputStream os = new FileOutputStream(outputFile, true)) {
byte[] buffer = new byte[1024];
int bytesCount;
while ((bytesCount = is.read(buffer)) > 0) {
os.write(buffer, 0, bytesCount);
bytesDownloaded += bytesCount;
}
}
return bytesDownloaded;
}
public static long downloadFileWithResume(String downloadUrl, String saveAsFileName) throws IOException, URISyntaxException {
File outputFile = new File(saveAsFileName);
URLConnection downloadFileConnection = addFileResumeFunctionality(downloadUrl, outputFile);
return transferDataAndGetBytesDownloaded(downloadFileConnection, outputFile);
}
private static URLConnection addFileResumeFunctionality(String downloadUrl, File outputFile) throws IOException, URISyntaxException, ProtocolException, ProtocolException {
long existingFileSize = 0L;
URLConnection downloadFileConnection = new URI(downloadUrl).toURL()
.openConnection();
if (outputFile.exists() && downloadFileConnection instanceof HttpURLConnection) {
HttpURLConnection httpFileConnection = (HttpURLConnection) downloadFileConnection;
HttpURLConnection tmpFileConn = (HttpURLConnection) new URI(downloadUrl).toURL()
.openConnection();
tmpFileConn.setRequestMethod("HEAD");
long fileLength = tmpFileConn.getContentLengthLong();
existingFileSize = outputFile.length();
if (existingFileSize < fileLength) {
httpFileConnection.setRequestProperty("Range", "bytes=" + existingFileSize + "-" + fileLength);
} else {
throw new IOException("File Download already completed.");
}
}
return downloadFileConnection;
}
}

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package com.ossez.extension;
import com.google.common.io.Files;
import org.apache.commons.io.FilenameUtils;
import java.util.Optional;
public class Extension {
//Instead of file name we can also specify full path of a file eg. /baeldung/com/demo/abc.java
public String getExtensionByApacheCommonLib(String filename) {
return FilenameUtils.getExtension(filename);
}
public Optional<String> getExtensionByStringHandling(String filename) {
return Optional.ofNullable(filename)
.filter(f -> f.contains("."))
.map(f -> f.substring(filename.lastIndexOf(".") + 1));
}
public String getExtensionByGuava(String filename) {
return Files.getFileExtension(filename);
}
}

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package com.ossez.fileparser;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
public class BufferedReaderExample {
protected static ArrayList<String> generateArrayListFromFile(String filename) throws IOException {
ArrayList<String> result = new ArrayList<>();
try (BufferedReader br = new BufferedReader(new FileReader(filename))) {
while (br.ready()) {
result.add(br.readLine());
}
return result;
}
}
}

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package com.ossez.fileparser;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
public class FileReaderExample {
protected static ArrayList<String> generateArrayListFromFile(String filename) throws IOException {
ArrayList<String> result = new ArrayList<>();
try (FileReader f = new FileReader(filename)) {
StringBuffer sb = new StringBuffer();
while (f.ready()) {
char c = (char) f.read();
if (c == '\n') {
result.add(sb.toString());
sb = new StringBuffer();
} else {
sb.append(c);
}
}
if (sb.length() > 0) {
result.add(sb.toString());
}
}
return result;
}
}

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package com.ossez.fileparser;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
public class FilesReadLinesExample {
protected static ArrayList<String> generateArrayListFromFile(String filename) throws IOException {
List<String> result = Files.readAllLines(Paths.get(filename));
return (ArrayList<String>) result;
}
}

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package com.ossez.fileparser;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;
public class ScannerIntExample {
protected static ArrayList<Integer> generateArrayListFromFile(String filename) throws IOException {
ArrayList<Integer> result = new ArrayList<>();
try (Scanner s = new Scanner(new FileReader(filename))) {
while (s.hasNext()) {
result.add(s.nextInt());
}
return result;
}
}
}

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package com.ossez.fileparser;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Scanner;
public class ScannerStringExample {
protected static ArrayList<String> generateArrayListFromFile(String filename) throws IOException {
ArrayList<String> result = new ArrayList<>();
try (Scanner s = new Scanner(new FileReader(filename))) {
while (s.hasNext()) {
result.add(s.nextLine());
}
return result;
}
}
}

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package com.ossez.files;
import java.io.File;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class ListFiles {
public static final int DEPTH = 1;
public Set<String> listFilesUsingJavaIO(String dir) {
return Stream.of(new File(dir).listFiles())
.filter(file -> !file.isDirectory())
.map(File::getName)
.collect(Collectors.toSet());
}
public Set<String> listFilesUsingFileWalk(String dir, int depth) throws IOException {
try (Stream<Path> stream = Files.walk(Paths.get(dir), depth)) {
return stream.filter(file -> !Files.isDirectory(file))
.map(Path::getFileName)
.map(Path::toString)
.collect(Collectors.toSet());
}
}
public Set<String> listFilesUsingFileWalkAndVisitor(String dir) throws IOException {
Set<String> fileList = new HashSet<>();
Files.walkFileTree(Paths.get(dir), new SimpleFileVisitor<Path>() {
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
if (!Files.isDirectory(file)) {
fileList.add(file.getFileName()
.toString());
}
return FileVisitResult.CONTINUE;
}
});
return fileList;
}
public Set<String> listFilesUsingDirectoryStream(String dir) throws IOException {
Set<String> fileList = new HashSet<>();
try (DirectoryStream<Path> stream = Files.newDirectoryStream(Paths.get(dir))) {
for (Path path : stream) {
if (!Files.isDirectory(path)) {
fileList.add(path.getFileName()
.toString());
}
}
}
return fileList;
}
}

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package com.ossez.filesystem.jndi;
import java.io.File;
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
public class LookupFSJNDI {
private InitialContext ctx = null;
public LookupFSJNDI() throws NamingException {
super();
init();
}
private void init() throws NamingException {
Hashtable<String, String> env = new Hashtable<String, String>();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.fscontext.RefFSContextFactory");
// URI to namespace (actual directory)
env.put(Context.PROVIDER_URL, "file:./src/test/resources");
ctx = new InitialContext(env);
}
public InitialContext getCtx() {
return ctx;
}
public File getFile(String fileName) {
File file;
try {
file = (File) getCtx().lookup(fileName);
} catch (NamingException e) {
file = null;
}
return file;
}
}

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package com.ossez.java.nio.selector;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
public class EchoClient {
private static SocketChannel client;
private static ByteBuffer buffer;
private static EchoClient instance;
public static EchoClient start() {
if (instance == null)
instance = new EchoClient();
return instance;
}
public static void stop() throws IOException {
client.close();
buffer = null;
}
private EchoClient() {
try {
client = SocketChannel.open(new InetSocketAddress("localhost", 5454));
buffer = ByteBuffer.allocate(256);
} catch (IOException e) {
e.printStackTrace();
}
}
public String sendMessage(String msg) {
buffer = ByteBuffer.wrap(msg.getBytes());
String response = null;
try {
client.write(buffer);
buffer.clear();
client.read(buffer);
response = new String(buffer.array()).trim();
System.out.println("response=" + response);
buffer.clear();
} catch (IOException e) {
e.printStackTrace();
}
return response;
}
}

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package com.ossez.java.nio.selector;
import java.io.File;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Iterator;
import java.util.Set;
public class EchoServer {
private static final String POISON_PILL = "POISON_PILL";
public static void main(String[] args) throws IOException {
Selector selector = Selector.open();
ServerSocketChannel serverSocket = ServerSocketChannel.open();
serverSocket.bind(new InetSocketAddress("localhost", 5454));
serverSocket.configureBlocking(false);
serverSocket.register(selector, SelectionKey.OP_ACCEPT);
ByteBuffer buffer = ByteBuffer.allocate(256);
while (true) {
selector.select();
Set<SelectionKey> selectedKeys = selector.selectedKeys();
Iterator<SelectionKey> iter = selectedKeys.iterator();
while (iter.hasNext()) {
SelectionKey key = iter.next();
if (key.isAcceptable()) {
register(selector, serverSocket);
}
if (key.isReadable()) {
answerWithEcho(buffer, key);
}
iter.remove();
}
}
}
private static void answerWithEcho(ByteBuffer buffer, SelectionKey key) throws IOException {
SocketChannel client = (SocketChannel) key.channel();
client.read(buffer);
if (new String(buffer.array()).trim().equals(POISON_PILL)) {
client.close();
System.out.println("Not accepting client messages anymore");
}
buffer.flip();
client.write(buffer);
buffer.clear();
}
private static void register(Selector selector, ServerSocketChannel serverSocket) throws IOException {
SocketChannel client = serverSocket.accept();
client.configureBlocking(false);
client.register(selector, SelectionKey.OP_READ);
}
public static Process start() throws IOException, InterruptedException {
String javaHome = System.getProperty("java.home");
String javaBin = javaHome + File.separator + "bin" + File.separator + "java";
String classpath = System.getProperty("java.class.path");
String className = EchoServer.class.getCanonicalName();
ProcessBuilder builder = new ProcessBuilder(javaBin, "-cp", classpath, className);
return builder.start();
}
}

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###Relevant Articles:
- [Introduction to the Java NIO Selector](http://www.baeldung.com/java-nio-selector)

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package com.ossez.java.nio2.visitor;
import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import static java.nio.file.FileVisitResult.CONTINUE;
import static java.nio.file.FileVisitResult.TERMINATE;
public class FileSearchExample implements FileVisitor<Path> {
private final String fileName;
private final Path startDir;
public FileSearchExample(String fileName, Path startingDir) {
this.fileName = fileName;
startDir = startingDir;
}
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
return CONTINUE;
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
String fileName = file.getFileName().toString();
if (this.fileName.equals(fileName)) {
System.out.println("File found: " + file.toString());
return TERMINATE;
}
return CONTINUE;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
System.out.println("Failed to access file: " + file.toString());
return CONTINUE;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
boolean finishedSearch = Files.isSameFile(dir, startDir);
if (finishedSearch) {
System.out.println("File:" + fileName + " not found");
return TERMINATE;
}
return CONTINUE;
}
public static void main(String[] args) throws IOException {
Path startingDir = Paths.get("C:/Users/new/Desktop");
FileSearchExample crawler = new FileSearchExample("hibernate.txt", startingDir);
Files.walkFileTree(startingDir, crawler);
}
}

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package com.ossez.java.nio2.visitor;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.FileVisitor;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
public class FileVisitorImpl implements FileVisitor<Path> {
@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
return null;
}
@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
return null;
}
@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) {
return null;
}
@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) {
return null;
}
}

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package com.ossez.java.nio2.watcher;
import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardWatchEventKinds;
import java.nio.file.WatchEvent;
import java.nio.file.WatchKey;
import java.nio.file.WatchService;
public class DirectoryWatcherExample {
public static void main(String[] args) throws IOException, InterruptedException {
WatchService watchService = FileSystems.getDefault().newWatchService();
Path path = Paths.get(System.getProperty("user.home"));
path.register(watchService, StandardWatchEventKinds.ENTRY_CREATE, StandardWatchEventKinds.ENTRY_DELETE, StandardWatchEventKinds.ENTRY_MODIFY);
WatchKey key;
while ((key = watchService.take()) != null) {
for (WatchEvent<?> event : key.pollEvents()) {
System.out.println("Event kind:" + event.kind() + ". File affected: " + event.context() + ".");
}
key.reset();
}
watchService.close();
}
}

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package com.ossez.resource;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.stream.Collectors;
public class MyResourceLoader {
private void loadFileWithReader() throws IOException {
try (FileReader fileReader = new FileReader("src/main/resources/input.txt");
BufferedReader reader = new BufferedReader(fileReader)) {
String contents = reader.lines()
.collect(Collectors.joining(System.lineSeparator()));
System.out.println(contents);
}
}
private void loadFileAsResource() throws IOException {
try (InputStream inputStream = getClass().getResourceAsStream("/input.txt");
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
String contents = reader.lines()
.collect(Collectors.joining(System.lineSeparator()));
System.out.println(contents);
}
}
public static void main(String[] args) throws IOException {
MyResourceLoader resourceLoader = new MyResourceLoader();
resourceLoader.loadFileAsResource();
resourceLoader.loadFileWithReader();
}
}

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package com.ossez.stream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.channels.FileChannel;
import java.nio.file.Files;
import org.apache.commons.io.FileUtils;
public class FileCopy {
public static void copyFileUsingStream(File source, File dest) throws IOException {
InputStream is = null;
OutputStream os = null;
is = new FileInputStream(source);
os = new FileOutputStream(dest);
byte[] buffer = new byte[1024];
int length;
while ((length = is.read(buffer)) > 0) {
os.write(buffer, 0, length);
}
is.close();
os.close();
}
public static void copyFileUsingChannel(File source, File dest) throws IOException {
FileChannel sourceChannel = null;
FileChannel destChannel = null;
sourceChannel = new FileInputStream(source).getChannel();
destChannel = new FileOutputStream(dest).getChannel();
destChannel.transferFrom(sourceChannel, 0, sourceChannel.size());
sourceChannel.close();
destChannel.close();
}
public static void copyFileUsingApacheCommonsIO(File source, File dest) throws IOException {
FileUtils.copyFile(source, dest);
}
public static void copyFileUsingJavaFiles(File source, File dest) throws IOException {
Files.copy(source.toPath(), dest.toPath());
}
}

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package com.ossez.stream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
public class OutputStreamExamples {
public void fileOutputStreamByteSequence(String file, String data) throws IOException {
byte[] bytes = data.getBytes();
try (OutputStream out = new FileOutputStream(file)) {
out.write(bytes);
}
}
public void fileOutputStreamByteSubSequence(String file, String data) throws IOException {
byte[] bytes = data.getBytes();
try (OutputStream out = new FileOutputStream(file)) {
out.write(bytes, 6, 5);
}
}
public void fileOutputStreamByteSingle(String file, String data) throws IOException {
byte[] bytes = data.getBytes();
try (OutputStream out = new FileOutputStream(file)) {
out.write(bytes[6]);
}
}
public void bufferedOutputStream(String file, String... data) throws IOException {
try (BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file))) {
for (String s : data) {
out.write(s.getBytes());
out.write(" ".getBytes());
}
}
}
public void outputStreamWriter(String file, String data) throws IOException {
try (OutputStream out = new FileOutputStream(file); Writer writer = new OutputStreamWriter(out, "UTF-8")) {
writer.write(data);
}
}
}

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package com.ossez.symlink;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import static java.nio.file.StandardOpenOption.*;
import java.util.stream.IntStream;
public class SymLinkExample {
public void createSymbolicLink(Path link, Path target) throws IOException {
if (Files.exists(link)) {
Files.delete(link);
}
Files.createSymbolicLink(link, target);
}
public void createHardLink(Path link, Path target) throws IOException {
if (Files.exists(link)) {
Files.delete(link);
}
Files.createLink(link, target);
}
public Path createTextFile() throws IOException {
byte[] content = IntStream.range(0, 10000)
.mapToObj(i -> i + System.lineSeparator())
.reduce("", String::concat)
.getBytes(StandardCharsets.UTF_8);
Path filePath = Paths.get(".", "target_link.txt");
Files.write(filePath, content, CREATE, TRUNCATE_EXISTING);
return filePath;
}
public void printLinkFiles(Path path) throws IOException {
try (DirectoryStream<Path> stream = Files.newDirectoryStream(path)) {
for (Path file : stream) {
if (Files.isDirectory(file)) {
printLinkFiles(file);
} else if (Files.isSymbolicLink(file)) {
System.out.format("File link '%s' with target '%s'%n", file, Files.readSymbolicLink(file));
}
}
}
}
public static void main(String[] args) throws IOException {
new SymLinkExample().printLinkFiles(Paths.get("."));
}
}

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package com.ossez.unzip;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class UnzipFile {
public static void main(final String[] args) throws IOException {
final String fileZip = "src/main/resources/unzipTest/compressed.zip";
final File destDir = new File("src/main/resources/unzipTest");
final byte[] buffer = new byte[1024];
final ZipInputStream zis = new ZipInputStream(new FileInputStream(fileZip));
ZipEntry zipEntry = zis.getNextEntry();
while (zipEntry != null) {
final File newFile = newFile(destDir, zipEntry);
final FileOutputStream fos = new FileOutputStream(newFile);
int len;
while ((len = zis.read(buffer)) > 0) {
fos.write(buffer, 0, len);
}
fos.close();
zipEntry = zis.getNextEntry();
}
zis.closeEntry();
zis.close();
}
/**
* @see https://snyk.io/research/zip-slip-vulnerability
*/
public static File newFile(File destinationDir, ZipEntry zipEntry) throws IOException {
File destFile = new File(destinationDir, zipEntry.getName());
String destDirPath = destinationDir.getCanonicalPath();
String destFilePath = destFile.getCanonicalPath();
if (!destFilePath.startsWith(destDirPath + File.separator)) {
throw new IOException("Entry is outside of the target dir: " + zipEntry.getName());
}
return destFile;
}
}

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package com.ossez.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import org.apache.commons.io.IOUtils;
public class StreamUtils {
public static String getStringFromInputStream(InputStream input) throws IOException {
StringWriter writer = new StringWriter();
IOUtils.copy(input, writer, "UTF-8");
return writer.toString();
}
}

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package com.ossez.zip;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ZipDirectory {
public static void main(final String[] args) throws IOException {
final String sourceFile = "src/main/resources/zipTest";
final FileOutputStream fos = new FileOutputStream("src/main/resources/dirCompressed.zip");
final ZipOutputStream zipOut = new ZipOutputStream(fos);
final File fileToZip = new File(sourceFile);
zipFile(fileToZip, fileToZip.getName(), zipOut);
zipOut.close();
fos.close();
}
private static void zipFile(final File fileToZip, final String fileName, final ZipOutputStream zipOut) throws IOException {
if (fileToZip.isHidden()) {
return;
}
if (fileToZip.isDirectory()) {
if (fileName.endsWith("/")) {
zipOut.putNextEntry(new ZipEntry(fileName));
zipOut.closeEntry();
} else {
zipOut.putNextEntry(new ZipEntry(fileName + "/"));
zipOut.closeEntry();
}
final File[] children = fileToZip.listFiles();
for (final File childFile : children) {
zipFile(childFile, fileName + "/" + childFile.getName(), zipOut);
}
return;
}
final FileInputStream fis = new FileInputStream(fileToZip);
final ZipEntry zipEntry = new ZipEntry(fileName);
zipOut.putNextEntry(zipEntry);
final byte[] bytes = new byte[1024];
int length;
while ((length = fis.read(bytes)) >= 0) {
zipOut.write(bytes, 0, length);
}
fis.close();
}
}

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package com.ossez.zip;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ZipFile {
public static void main(final String[] args) throws IOException {
final String sourceFile = "src/main/resources/zipTest/test1.txt";
final FileOutputStream fos = new FileOutputStream("src/main/resources/compressed.zip");
final ZipOutputStream zipOut = new ZipOutputStream(fos);
final File fileToZip = new File(sourceFile);
final FileInputStream fis = new FileInputStream(fileToZip);
final ZipEntry zipEntry = new ZipEntry(fileToZip.getName());
zipOut.putNextEntry(zipEntry);
final byte[] bytes = new byte[1024];
int length;
while ((length = fis.read(bytes)) >= 0) {
zipOut.write(bytes, 0, length);
}
zipOut.close();
fis.close();
fos.close();
}
}

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package com.ossez.zip;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class ZipMultipleFiles {
public static void main(final String[] args) throws IOException {
final List<String> srcFiles = Arrays.asList("src/main/resources/zipTest/test1.txt", "src/main/resources/zipTest/test2.txt");
final FileOutputStream fos = new FileOutputStream("src/main/resources/multiCompressed.zip");
final ZipOutputStream zipOut = new ZipOutputStream(fos);
for (final String srcFile : srcFiles) {
final File fileToZip = new File(srcFile);
final FileInputStream fis = new FileInputStream(fileToZip);
final ZipEntry zipEntry = new ZipEntry(fileToZip.getName());
zipOut.putNextEntry(zipEntry);
final byte[] bytes = new byte[1024];
int length;
while ((length = fis.read(bytes)) >= 0) {
zipOut.write(bytes, 0, length);
}
fis.close();
}
zipOut.close();
fos.close();
}
}

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#
# OWASP Enterprise Security API (ESAPI) Properties file -- PRODUCTION Version
#
# This file is part of the Open Web Application Security Project (OWASP)
# Enterprise Security API (ESAPI) project. For details, please see
# http://www.owasp.org/index.php/ESAPI.
#
# Copyright (c) 2008,2009 - The OWASP Foundation
#
# DISCUSS: This may cause a major backwards compatibility issue, etc. but
# from a name space perspective, we probably should have prefaced
# all the property names with ESAPI or at least OWASP. Otherwise
# there could be problems is someone loads this properties file into
# the System properties. We could also put this file into the
# esapi.jar file (perhaps as a ResourceBundle) and then allow an external
# ESAPI properties be defined that would overwrite these defaults.
# That keeps the application's properties relatively simple as usually
# they will only want to override a few properties. If looks like we
# already support multiple override levels of this in the
# DefaultSecurityConfiguration class, but I'm suggesting placing the
# defaults in the esapi.jar itself. That way, if the jar is signed,
# we could detect if those properties had been tampered with. (The
# code to check the jar signatures is pretty simple... maybe 70-90 LOC,
# but off course there is an execution penalty (similar to the way
# that the separate sunjce.jar used to be when a class from it was
# first loaded). Thoughts?
###############################################################################
#
# WARNING: Operating system protection should be used to lock down the .esapi
# resources directory and all the files inside and all the directories all the
# way up to the root directory of the file system. Note that if you are using
# file-based implementations, that some files may need to be read-write as they
# get updated dynamically.
#
# Before using, be sure to update the MasterKey and MasterSalt as described below.
# N.B.: If you had stored data that you have previously encrypted with ESAPI 1.4,
# you *must* FIRST decrypt it using ESAPI 1.4 and then (if so desired)
# re-encrypt it with ESAPI 2.0. If you fail to do this, you will NOT be
# able to decrypt your data with ESAPI 2.0.
#
# YOU HAVE BEEN WARNED!!! More details are in the ESAPI 2.0 Release Notes.
#
#===========================================================================
# ESAPI Configuration
#
# If true, then print all the ESAPI properties set here when they are loaded.
# If false, they are not printed. Useful to reduce output when running JUnit tests.
# If you need to troubleshoot a properties related problem, turning this on may help.
# This is 'false' in the src/test/resources/.esapi version. It is 'true' by
# default for reasons of backward compatibility with earlier ESAPI versions.
ESAPI.printProperties=true
# ESAPI is designed to be easily extensible. You can use the reference implementation
# or implement your own providers to take advantage of your enterprise's security
# infrastructure. The functions in ESAPI are referenced using the ESAPI locator, like:
#
# String ciphertext =
# ESAPI.encryptor().encrypt("Secret message"); // Deprecated in 2.0
# CipherText cipherText =
# ESAPI.encryptor().encrypt(new PlainText("Secret message")); // Preferred
#
# Below you can specify the classname for the provider that you wish to use in your
# application. The only requirement is that it implement the appropriate ESAPI interface.
# This allows you to switch security implementations in the future without rewriting the
# entire application.
#
# ExperimentalAccessController requires ESAPI-AccessControlPolicy.xml in .esapi directory
ESAPI.AccessControl=org.owasp.esapi.reference.DefaultAccessController
# FileBasedAuthenticator requires users.txt file in .esapi directory
ESAPI.Authenticator=org.owasp.esapi.reference.FileBasedAuthenticator
ESAPI.Encoder=org.owasp.esapi.reference.DefaultEncoder
ESAPI.Encryptor=org.owasp.esapi.reference.crypto.JavaEncryptor
ESAPI.Executor=org.owasp.esapi.reference.DefaultExecutor
ESAPI.HTTPUtilities=org.owasp.esapi.reference.DefaultHTTPUtilities
ESAPI.IntrusionDetector=org.owasp.esapi.reference.DefaultIntrusionDetector
# Log4JFactory Requires log4j.xml or log4j.properties in classpath - http://www.laliluna.de/log4j-tutorial.html
ESAPI.Logger=org.owasp.esapi.reference.Log4JLogFactory
#ESAPI.Logger=org.owasp.esapi.reference.JavaLogFactory
ESAPI.Randomizer=org.owasp.esapi.reference.DefaultRandomizer
ESAPI.Validator=org.owasp.esapi.reference.DefaultValidator
#===========================================================================
# ESAPI Authenticator
#
Authenticator.AllowedLoginAttempts=3
Authenticator.MaxOldPasswordHashes=13
Authenticator.UsernameParameterName=username
Authenticator.PasswordParameterName=password
# RememberTokenDuration (in days)
Authenticator.RememberTokenDuration=14
# Session Timeouts (in minutes)
Authenticator.IdleTimeoutDuration=20
Authenticator.AbsoluteTimeoutDuration=120
#===========================================================================
# ESAPI Encoder
#
# ESAPI canonicalizes input before validation to prevent bypassing filters with encoded attacks.
# Failure to canonicalize input is a very common mistake when implementing validation schemes.
# Canonicalization is automatic when using the ESAPI Validator, but you can also use the
# following code to canonicalize data.
#
# ESAPI.Encoder().canonicalize( "%22hello world&#x22;" );
#
# Multiple encoding is when a single encoding format is applied multiple times. Allowing
# multiple encoding is strongly discouraged.
Encoder.AllowMultipleEncoding=false
# Mixed encoding is when multiple different encoding formats are applied, or when
# multiple formats are nested. Allowing multiple encoding is strongly discouraged.
Encoder.AllowMixedEncoding=false
# The default list of codecs to apply when canonicalizing untrusted data. The list should include the codecs
# for all downstream interpreters or decoders. For example, if the data is likely to end up in a URL, HTML, or
# inside JavaScript, then the list of codecs below is appropriate. The order of the list is not terribly important.
Encoder.DefaultCodecList=HTMLEntityCodec,PercentCodec,JavaScriptCodec
#===========================================================================
# ESAPI Encryption
#
# The ESAPI Encryptor provides basic cryptographic functions with a simplified API.
# To get started, generate a new key using java -classpath esapi.jar org.owasp.esapi.reference.crypto.JavaEncryptor
# There is not currently any support for key rotation, so be careful when changing your key and salt as it
# will invalidate all signed, encrypted, and hashed data.
#
# WARNING: Not all combinations of algorithms and key lengths are supported.
# If you choose to use a key length greater than 128, you MUST download the
# unlimited strength policy files and install in the lib directory of your JRE/JDK.
# See http://java.sun.com/javase/downloads/index.jsp for more information.
#
# Backward compatibility with ESAPI Java 1.4 is supported by the two deprecated API
# methods, Encryptor.encrypt(String) and Encryptor.decrypt(String). However, whenever
# possible, these methods should be avoided as they use ECB cipher mode, which in almost
# all circumstances a poor choice because of it's weakness. CBC cipher mode is the default
# for the new Encryptor encrypt / decrypt methods for ESAPI Java 2.0. In general, you
# should only use this compatibility setting if you have persistent data encrypted with
# version 1.4 and even then, you should ONLY set this compatibility mode UNTIL
# you have decrypted all of your old encrypted data and then re-encrypted it with
# ESAPI 2.0 using CBC mode. If you have some reason to mix the deprecated 1.4 mode
# with the new 2.0 methods, make sure that you use the same cipher algorithm for both
# (256-bit AES was the default for 1.4; 128-bit is the default for 2.0; see below for
# more details.) Otherwise, you will have to use the new 2.0 encrypt / decrypt methods
# where you can specify a SecretKey. (Note that if you are using the 256-bit AES,
# that requires downloading the special jurisdiction policy files mentioned above.)
#
# ***** IMPORTANT: Do NOT forget to replace these with your own values! *****
# To calculate these values, you can run:
# java -classpath esapi.jar org.owasp.esapi.reference.crypto.JavaEncryptor
#
Encryptor.MasterKey=tzfztf56ftv
Encryptor.MasterSalt=123456ztrewq
# Provides the default JCE provider that ESAPI will "prefer" for its symmetric
# encryption and hashing. (That is it will look to this provider first, but it
# will defer to other providers if the requested algorithm is not implemented
# by this provider.) If left unset, ESAPI will just use your Java VM's current
# preferred JCE provider, which is generally set in the file
# "$JAVA_HOME/jre/lib/security/java.security".
#
# The main intent of this is to allow ESAPI symmetric encryption to be
# used with a FIPS 140-2 compliant crypto-module. For details, see the section
# "Using ESAPI Symmetric Encryption with FIPS 140-2 Cryptographic Modules" in
# the ESAPI 2.0 Symmetric Encryption User Guide, at:
# http://owasp-esapi-java.googlecode.com/svn/trunk/documentation/esapi4java-core-2.0-symmetric-crypto-user-guide.html
# However, this property also allows you to easily use an alternate JCE provider
# such as "Bouncy Castle" without having to make changes to "java.security".
# See Javadoc for SecurityProviderLoader for further details. If you wish to use
# a provider that is not known to SecurityProviderLoader, you may specify the
# fully-qualified class name of the JCE provider class that implements
# java.security.Provider. If the name contains a '.', this is interpreted as
# a fully-qualified class name that implements java.security.Provider.
#
# NOTE: Setting this property has the side-effect of changing it in your application
# as well, so if you are using JCE in your application directly rather than
# through ESAPI (you wouldn't do that, would you? ;-), it will change the
# preferred JCE provider there as well.
#
# Default: Keeps the JCE provider set to whatever JVM sets it to.
Encryptor.PreferredJCEProvider=
# AES is the most widely used and strongest encryption algorithm. This
# should agree with your Encryptor.CipherTransformation property.
# By default, ESAPI Java 1.4 uses "PBEWithMD5AndDES" and which is
# very weak. It is essentially a password-based encryption key, hashed
# with MD5 around 1K times and then encrypted with the weak DES algorithm
# (56-bits) using ECB mode and an unspecified padding (it is
# JCE provider specific, but most likely "NoPadding"). However, 2.0 uses
# "AES/CBC/PKCSPadding". If you want to change these, change them here.
# Warning: This property does not control the default reference implementation for
# ESAPI 2.0 using JavaEncryptor. Also, this property will be dropped
# in the future.
# @deprecated
Encryptor.EncryptionAlgorithm=AES
# For ESAPI Java 2.0 - New encrypt / decrypt methods use this.
Encryptor.CipherTransformation=AES/CBC/PKCS5Padding
# Applies to ESAPI 2.0 and later only!
# Comma-separated list of cipher modes that provide *BOTH*
# confidentiality *AND* message authenticity. (NIST refers to such cipher
# modes as "combined modes" so that's what we shall call them.) If any of these
# cipher modes are used then no MAC is calculated and stored
# in the CipherText upon encryption. Likewise, if one of these
# cipher modes is used with decryption, no attempt will be made
# to validate the MAC contained in the CipherText object regardless
# of whether it contains one or not. Since the expectation is that
# these cipher modes support support message authenticity already,
# injecting a MAC in the CipherText object would be at best redundant.
#
# Note that as of JDK 1.5, the SunJCE provider does not support *any*
# of these cipher modes. Of these listed, only GCM and CCM are currently
# NIST approved. YMMV for other JCE providers. E.g., Bouncy Castle supports
# GCM and CCM with "NoPadding" mode, but not with "PKCS5Padding" or other
# padding modes.
Encryptor.cipher_modes.combined_modes=GCM,CCM,IAPM,EAX,OCB,CWC
# Applies to ESAPI 2.0 and later only!
# Additional cipher modes allowed for ESAPI 2.0 encryption. These
# cipher modes are in _addition_ to those specified by the property
# 'Encryptor.cipher_modes.combined_modes'.
# Note: We will add support for streaming modes like CFB & OFB once
# we add support for 'specified' to the property 'Encryptor.ChooseIVMethod'
# (probably in ESAPI 2.1).
# DISCUSS: Better name?
Encryptor.cipher_modes.additional_allowed=CBC
# 128-bit is almost always sufficient and appears to be more resistant to
# related key attacks than is 256-bit AES. Use '_' to use default key size
# for cipher algorithms (where it makes sense because the algorithm supports
# a variable key size). Key length must agree to what's provided as the
# cipher transformation, otherwise this will be ignored after logging a
# warning.
#
# NOTE: This is what applies BOTH ESAPI 1.4 and 2.0. See warning above about mixing!
Encryptor.EncryptionKeyLength=128
# Because 2.0 uses CBC mode by default, it requires an initialization vector (IV).
# (All cipher modes except ECB require an IV.) There are two choices: we can either
# use a fixed IV known to both parties or allow ESAPI to choose a random IV. While
# the IV does not need to be hidden from adversaries, it is important that the
# adversary not be allowed to choose it. Also, random IVs are generally much more
# secure than fixed IVs. (In fact, it is essential that feed-back cipher modes
# such as CFB and OFB use a different IV for each encryption with a given key so
# in such cases, random IVs are much preferred. By default, ESAPI 2.0 uses random
# IVs. If you wish to use 'fixed' IVs, set 'Encryptor.ChooseIVMethod=fixed' and
# uncomment the Encryptor.fixedIV.
#
# Valid values: random|fixed|specified 'specified' not yet implemented; planned for 2.1
Encryptor.ChooseIVMethod=random
# If you choose to use a fixed IV, then you must place a fixed IV here that
# is known to all others who are sharing your secret key. The format should
# be a hex string that is the same length as the cipher block size for the
# cipher algorithm that you are using. The following is an *example* for AES
# from an AES test vector for AES-128/CBC as described in:
# NIST Special Publication 800-38A (2001 Edition)
# "Recommendation for Block Cipher Modes of Operation".
# (Note that the block size for AES is 16 bytes == 128 bits.)
#
Encryptor.fixedIV=0x000102030405060708090a0b0c0d0e0f
# Whether or not CipherText should use a message authentication code (MAC) with it.
# This prevents an adversary from altering the IV as well as allowing a more
# fool-proof way of determining the decryption failed because of an incorrect
# key being supplied. This refers to the "separate" MAC calculated and stored
# in CipherText, not part of any MAC that is calculated as a result of a
# "combined mode" cipher mode.
#
# If you are using ESAPI with a FIPS 140-2 cryptographic module, you *must* also
# set this property to false.
Encryptor.CipherText.useMAC=true
# Whether or not the PlainText object may be overwritten and then marked
# eligible for garbage collection. If not set, this is still treated as 'true'.
Encryptor.PlainText.overwrite=true
# Do not use DES except in a legacy situations. 56-bit is way too small key size.
#Encryptor.EncryptionKeyLength=56
#Encryptor.EncryptionAlgorithm=DES
# TripleDES is considered strong enough for most purposes.
# Note: There is also a 112-bit version of DESede. Using the 168-bit version
# requires downloading the special jurisdiction policy from Sun.
#Encryptor.EncryptionKeyLength=168
#Encryptor.EncryptionAlgorithm=DESede
Encryptor.HashAlgorithm=SHA-512
Encryptor.HashIterations=1024
Encryptor.DigitalSignatureAlgorithm=SHA1withDSA
Encryptor.DigitalSignatureKeyLength=1024
Encryptor.RandomAlgorithm=SHA1PRNG
Encryptor.CharacterEncoding=UTF-8
# This is the Pseudo Random Function (PRF) that ESAPI's Key Derivation Function
# (KDF) normally uses. Note this is *only* the PRF used for ESAPI's KDF and
# *not* what is used for ESAPI's MAC. (Currently, HmacSHA1 is always used for
# the MAC, mostly to keep the overall size at a minimum.)
#
# Currently supported choices for JDK 1.5 and 1.6 are:
# HmacSHA1 (160 bits), HmacSHA256 (256 bits), HmacSHA384 (384 bits), and
# HmacSHA512 (512 bits).
# Note that HmacMD5 is *not* supported for the PRF used by the KDF even though
# the JDKs support it. See the ESAPI 2.0 Symmetric Encryption User Guide
# further details.
Encryptor.KDF.PRF=HmacSHA256
#===========================================================================
# ESAPI HttpUtilties
#
# The HttpUtilities provide basic protections to HTTP requests and responses. Primarily these methods
# protect against malicious data from attackers, such as unprintable characters, escaped characters,
# and other simple attacks. The HttpUtilities also provides utility methods for dealing with cookies,
# headers, and CSRF tokens.
#
# Default file upload location (remember to escape backslashes with \\)
HttpUtilities.UploadDir=C:\\ESAPI\\testUpload
HttpUtilities.UploadTempDir=C:\\temp
# Force flags on cookies, if you use HttpUtilities to set cookies
HttpUtilities.ForceHttpOnlySession=false
HttpUtilities.ForceSecureSession=false
HttpUtilities.ForceHttpOnlyCookies=true
HttpUtilities.ForceSecureCookies=true
# Maximum size of HTTP headers
HttpUtilities.MaxHeaderSize=4096
# File upload configuration
HttpUtilities.ApprovedUploadExtensions=.zip,.pdf,.doc,.docx,.ppt,.pptx,.tar,.gz,.tgz,.rar,.war,.jar,.ear,.xls,.rtf,.properties,.java,.class,.txt,.xml,.jsp,.jsf,.exe,.dll
HttpUtilities.MaxUploadFileBytes=500000000
# Using UTF-8 throughout your stack is highly recommended. That includes your database driver,
# container, and any other technologies you may be using. Failure to do this may expose you
# to Unicode transcoding injection attacks. Use of UTF-8 does not hinder internationalization.
HttpUtilities.ResponseContentType=text/html; charset=UTF-8
# This is the name of the cookie used to represent the HTTP session
# Typically this will be the default "JSESSIONID"
HttpUtilities.HttpSessionIdName=JSESSIONID
#===========================================================================
# ESAPI Executor
# CHECKME - Not sure what this is used for, but surely it should be made OS independent.
Executor.WorkingDirectory=C:\\Windows\\Temp
Executor.ApprovedExecutables=C:\\Windows\\System32\\cmd.exe,C:\\Windows\\System32\\runas.exe
#===========================================================================
# ESAPI Logging
# Set the application name if these logs are combined with other applications
Logger.ApplicationName=ExampleApplication
# If you use an HTML log viewer that does not properly HTML escape log data, you can set LogEncodingRequired to true
Logger.LogEncodingRequired=false
# Determines whether ESAPI should log the application name. This might be clutter in some single-server/single-app environments.
Logger.LogApplicationName=true
# Determines whether ESAPI should log the server IP and port. This might be clutter in some single-server environments.
Logger.LogServerIP=true
# LogFileName, the name of the logging file. Provide a full directory path (e.g., C:\\ESAPI\\ESAPI_logging_file) if you
# want to place it in a specific directory.
Logger.LogFileName=ESAPI_logging_file
# MaxLogFileSize, the max size (in bytes) of a single log file before it cuts over to a new one (default is 10,000,000)
Logger.MaxLogFileSize=10000000
#===========================================================================
# ESAPI Intrusion Detection
#
# Each event has a base to which .count, .interval, and .action are added
# The IntrusionException will fire if we receive "count" events within "interval" seconds
# The IntrusionDetector is configurable to take the following actions: log, logout, and disable
# (multiple actions separated by commas are allowed e.g. event.test.actions=log,disable
#
# Custom Events
# Names must start with "event." as the base
# Use IntrusionDetector.addEvent( "test" ) in your code to trigger "event.test" here
# You can also disable intrusion detection completely by changing
# the following parameter to true
#
IntrusionDetector.Disable=false
#
IntrusionDetector.event.test.count=2
IntrusionDetector.event.test.interval=10
IntrusionDetector.event.test.actions=disable,log
# Exception Events
# All EnterpriseSecurityExceptions are registered automatically
# Call IntrusionDetector.getInstance().addException(e) for Exceptions that do not extend EnterpriseSecurityException
# Use the fully qualified classname of the exception as the base
# any intrusion is an attack
IntrusionDetector.org.owasp.esapi.errors.IntrusionException.count=1
IntrusionDetector.org.owasp.esapi.errors.IntrusionException.interval=1
IntrusionDetector.org.owasp.esapi.errors.IntrusionException.actions=log,disable,logout
# for test purposes
# CHECKME: Shouldn't there be something in the property name itself that designates
# that these are for testing???
IntrusionDetector.org.owasp.esapi.errors.IntegrityException.count=10
IntrusionDetector.org.owasp.esapi.errors.IntegrityException.interval=5
IntrusionDetector.org.owasp.esapi.errors.IntegrityException.actions=log,disable,logout
# rapid validation errors indicate scans or attacks in progress
# org.owasp.esapi.errors.ValidationException.count=10
# org.owasp.esapi.errors.ValidationException.interval=10
# org.owasp.esapi.errors.ValidationException.actions=log,logout
# sessions jumping between hosts indicates session hijacking
IntrusionDetector.org.owasp.esapi.errors.AuthenticationHostException.count=2
IntrusionDetector.org.owasp.esapi.errors.AuthenticationHostException.interval=10
IntrusionDetector.org.owasp.esapi.errors.AuthenticationHostException.actions=log,logout
#===========================================================================
# ESAPI Validation
#
# The ESAPI Validator works on regular expressions with defined names. You can define names
# either here, or you may define application specific patterns in a separate file defined below.
# This allows enterprises to specify both organizational standards as well as application specific
# validation rules.
#
Validator.ConfigurationFile=validation.properties
# Validators used by ESAPI
Validator.AccountName=^[a-zA-Z0-9]{3,20}$
Validator.SystemCommand=^[a-zA-Z\\-\\/]{1,64}$
Validator.RoleName=^[a-z]{1,20}$
#the word TEST below should be changed to your application
#name - only relative URL's are supported
Validator.Redirect=^\\/test.*$
# Global HTTP Validation Rules
# Values with Base64 encoded data (e.g. encrypted state) will need at least [a-zA-Z0-9\/+=]
Validator.HTTPScheme=^(http|https)$
Validator.HTTPServerName=^[a-zA-Z0-9_.\\-]*$
Validator.HTTPParameterName=^[a-zA-Z0-9_]{1,32}$
Validator.HTTPParameterValue=^[a-zA-Z0-9.\\-\\/+=@_ ]*$
Validator.HTTPCookieName=^[a-zA-Z0-9\\-_]{1,32}$
Validator.HTTPCookieValue=^[a-zA-Z0-9\\-\\/+=_ ]*$
Validator.HTTPHeaderName=^[a-zA-Z0-9\\-_]{1,32}$
Validator.HTTPHeaderValue=^[a-zA-Z0-9()\\-=\\*\\.\\?;,+\\/:&_ ]*$
Validator.HTTPContextPath=^\\/?[a-zA-Z0-9.\\-\\/_]*$
Validator.HTTPServletPath=^[a-zA-Z0-9.\\-\\/_]*$
Validator.HTTPPath=^[a-zA-Z0-9.\\-_]*$
Validator.HTTPQueryString=^[a-zA-Z0-9()\\-=\\*\\.\\?;,+\\/:&_ %]*$
Validator.HTTPURI=^[a-zA-Z0-9()\\-=\\*\\.\\?;,+\\/:&_ ]*$
Validator.HTTPURL=^.*$
Validator.HTTPJSESSIONID=^[A-Z0-9]{10,30}$
# Validation of file related input
Validator.FileName=^[a-zA-Z0-9!@#$%^&{}\\[\\]()_+\\-=,.~'` ]{1,255}$
Validator.DirectoryName=^[a-zA-Z0-9:/\\\\!@#$%^&{}\\[\\]()_+\\-=,.~'` ]{1,255}$
# Validation of dates. Controls whether or not 'lenient' dates are accepted.
# See DataFormat.setLenient(boolean flag) for further details.
Validator.AcceptLenientDates=false

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<?xml version="1.0" encoding="UTF-8" ?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd" version="2.1">
<!-- JDO tutorial "unit" -->
<persistence-unit name="Tutorial">
<exclude-unlisted-classes/>
<properties>
<property name="javax.jdo.PersistenceManagerFactoryClass" value="org.datanucleus.api.jdo.JDOPersistenceManagerFactory"/>
<property name="javax.jdo.option.ConnectionURL" value="jdbc:h2:mem:mypersistence"/>
<property name="javax.jdo.option.ConnectionDriverName" value="org.h2.Driver"/>
<property name="javax.jdo.option.ConnectionUserName" value="sa"/>
<property name="javax.jdo.option.ConnectionPassword" value=""/>
<property name="datanucleus.schema.autoCreateAll" value="true"/>
</properties>
</persistence-unit>
</persistence>

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com.ossez.javac.SampleJavacPlugin

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UK
US
Germany

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1|IND|India
2|MY|Malaysia
3|AU|Australia
1 1 IND India
2 2 MY Malaysia
3 3 AU Australia

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dataSourceClassName=//TBD
dataSource.user=//TBD
dataSource.password=//TBD
dataSource.databaseName=//TBD
dataSource.portNumber=//TBD
dataSource.serverName=//TBD

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