JAVA-2154: Create guava-parent module and organize guava modules (#9782)

* JAVA-2154: Removed module, now split into guava-utilities and guava-core

* JAVA-2154: Removed module, articles moved to new module guava-core

* JAVA-2154: Moved module inside guava-modules

* JAVA-2154: Moved module inside guava-modules

* JAVA-2154: Moved module inside guava-modules

* JAVA-2154: Moved module inside guava-modules

* JAVA-2154: Moved 1 article to guava-collections

* JAVA-2154: New module guava-collections-list

* JAVA-2154: New module guava-core

* JAVA-2154: New module guava-utilities

* JAVA-2154: Updated README, removed extra article reference

* JAVA-2154: parent module pom changes

* JAVA-2154: main pom changes - removed guava related modules as they have
been shifted inside guava-modules

* JAVA-2154: rearranged and moved module inside guava-modules folder

guava-2/README.md

@@ -1,7 +0,0 @@
-## Guava
-
-This module contains articles a Google Guava
-
-### Relevant Articles: 
-
-- [Guava CharMatcher](https://www.baeldung.com/guava-string-charmatcher)

guava-modules/guava-18/README.md

@@ -1,8 +1,5 @@
-=========
-
-## Guava and Hamcrest Cookbooks and Examples
+## Guava 18
 
 
 ### Relevant Articles: 
-- [Guava Functional Cookbook](http://www.baeldung.com/guava-functions-predicates)
 - [Guava 18: What’s New?](http://www.baeldung.com/whats-new-in-guava-18)

guava-modules/guava-19/README.md

@@ -1,5 +1,3 @@
-=========
-
 ## Guava 19
 
 

guava-modules/guava-21/README.md

@@ -1,4 +1,6 @@
+## Guava 21
+
 ### Relevant articles:
+
 - [New Stream, Comparator and Collector in Guava 21](http://www.baeldung.com/guava-21-new)
 - [New in Guava 21 common.util.concurrent](http://www.baeldung.com/guava-21-util-concurrent)
-- [Zipping Collections in Java](http://www.baeldung.com/java-collections-zip)

guava-modules/guava-21/pom.xml

@@ -13,17 +13,8 @@
         <relativePath>../</relativePath>
     </parent>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.jooq</groupId>
-            <artifactId>jool</artifactId>
-            <version>${jool.version}</version>
-        </dependency>
-    </dependencies>
-
     <properties>
         <guava.version>21.0</guava.version>
-        <jool.version>0.9.12</jool.version>
     </properties>
 
 </project>

guava-modules/guava-collections-list/README.md

@@ -0,0 +1,8 @@
+## Guava Collections List examples
+
+This module contains articles about list collections in Guava
+
+### Relevant Articles: 
+
+- [Partition a List in Java](https://www.baeldung.com/java-list-split)
+- [Guava – Lists](https://www.baeldung.com/guava-lists)

guava-modules/guava-collections-list/pom.xml

@@ -4,15 +4,15 @@
     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>guava-collections</artifactId>
+    <artifactId>guava-collections-list</artifactId>
     <version>0.1.0-SNAPSHOT</version>
-    <name>guava-collections</name>
+    <name>guava-collections-list</name>
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
+        <artifactId>guava-modules</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-java</relativePath>
+        <relativePath>../</relativePath>
     </parent>
 
     <dependencies>

guava-modules/guava-collections-map/pom.xml

@@ -9,9 +9,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
+        <artifactId>guava-modules</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-java</relativePath>
+        <relativePath>../</relativePath>
     </parent>
 
     <dependencies>

guava-modules/guava-collections-set/pom.xml

@@ -8,9 +8,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
+        <artifactId>guava-modules</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-java</relativePath>
+        <relativePath>../</relativePath>
     </parent>
 
     <dependencies>

guava-modules/guava-collections/README.md

@@ -8,9 +8,8 @@ This module contains articles about Google Guava collections
 - [Guava Ordering Cookbook](https://www.baeldung.com/guava-order)
 - [Guide to Guava’s Ordering](https://www.baeldung.com/guava-ordering)
 - [Hamcrest Collections Cookbook](https://www.baeldung.com/hamcrest-collections-arrays)
-- [Partition a List in Java](https://www.baeldung.com/java-list-split)
 - [Filtering and Transforming Collections in Guava](https://www.baeldung.com/guava-filter-and-transform-a-collection)
 - [Guava – Join and Split Collections](https://www.baeldung.com/guava-joiner-and-splitter-tutorial)
-- [Guava – Lists](https://www.baeldung.com/guava-lists)
 - [Guide to Guava MinMaxPriorityQueue and EvictingQueue](https://www.baeldung.com/guava-minmax-priority-queue-and-evicting-queue)
 - [Guide to Guava Table](https://www.baeldung.com/guava-table)
+- [Zipping Collections in Java](http://www.baeldung.com/java-collections-zip)

guava-modules/guava-collections/pom.xml

@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>guava-collections</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <name>guava-collections</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>guava-modules</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../</relativePath>
+    </parent>
+
+    <dependencies>
+        <!-- utils -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>${commons-collections4.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jooq</groupId>
+            <artifactId>jool</artifactId>
+            <version>${jool.version}</version>
+        </dependency>
+
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>${junit-jupiter.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.vintage</groupId>
+            <artifactId>junit-vintage-engine</artifactId>
+            <version>${junit-jupiter.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <!-- https://mvnrepository.com/artifact/org.hamcrest/java-hamcrest -->
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>java-hamcrest</artifactId>
+            <version>${java-hamcrest.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>guava-collections</finalName>
+
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>2.22.2</version>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <!-- util -->
+        <commons-collections4.version>4.1</commons-collections4.version>
+        <jool.version>0.9.12</jool.version>
+
+        <!-- testing -->
+        <assertj.version>3.6.1</assertj.version>
+        <java-hamcrest.version>2.0.0.0</java-hamcrest.version>
+        <junit-jupiter.version>5.6.2</junit-jupiter.version>
+    </properties>
+
+</project>

guava-modules/guava-core/README.md

@@ -0,0 +1,10 @@
+## Guava Core
+
+This module contains articles about core or base functionality provided by Google Guava
+
+### Relevant Articles: 
+- [Introduction to Guava Throwables](https://www.baeldung.com/guava-throwables)
+- [Guava CharMatcher](https://www.baeldung.com/guava-string-charmatcher)
+- [Guide to Guava’s PreConditions](https://www.baeldung.com/guava-preconditions)
+- [Introduction to Guava Memoizer](https://www.baeldung.com/guava-memoizer)
+- [Guava Functional Cookbook](https://www.baeldung.com/guava-functions-predicates)

guava-modules/guava-core/pom.xml

@@ -4,15 +4,15 @@
     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>guava-2</artifactId>
+    <artifactId>guava-core</artifactId>
     <version>0.1.0-SNAPSHOT</version>
-    <name>guava-2</name>
+    <name>guava-core</name>
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
+        <artifactId>guava-modules</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-java</relativePath>
+        <relativePath>../</relativePath>
     </parent>
 
     <dependencies>

guava-modules/guava-core/src/test/java/com/baeldung/guava/functional/GuavaFunctionalExamplesUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.functional;
 
 import static org.hamcrest.Matchers.contains;
 import static org.hamcrest.Matchers.equalTo;

guava-modules/guava-core/src/test/java/com/baeldung/guava/memoizer/GuavaMemoizerUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.memoizer;
 
 import com.google.common.base.Suppliers;
 import com.baeldung.guava.memoizer.CostlySupplier;

guava-modules/guava-core/src/test/java/com/baeldung/guava/preconditions/GuavaPreConditionsUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.preconditions;
 
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import java.util.Arrays;

guava-modules/guava-io/pom.xml

@@ -11,9 +11,9 @@
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
+        <artifactId>guava-modules</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-java</relativePath>
+        <relativePath>../</relativePath>
     </parent>
 
     <dependencies>

guava-modules/guava-utilities/README.md

@@ -1,17 +1,12 @@
-## Guava
+## Guava Utilities
 
-This module contains articles a Google Guava
+This module contains articles about utilities provided by Google Guava
 
 ### Relevant Articles: 
-
-- [Guava Functional Cookbook](https://www.baeldung.com/guava-functions-predicates)
-- [Guide to Guava’s PreConditions](https://www.baeldung.com/guava-preconditions)
 - [Introduction to Guava CacheLoader](https://www.baeldung.com/guava-cacheloader)
-- [Introduction to Guava Memoizer](https://www.baeldung.com/guava-memoizer)
 - [Guide to Guava’s EventBus](https://www.baeldung.com/guava-eventbus)
 - [Guide to Guava’s Reflection Utilities](https://www.baeldung.com/guava-reflection)
 - [Guide to Mathematical Utilities in Guava](https://www.baeldung.com/guava-math)
 - [Bloom Filter in Java using Guava](https://www.baeldung.com/guava-bloom-filter)
 - [Quick Guide to the Guava RateLimiter](https://www.baeldung.com/guava-rate-limiter)
 - [Guava Cache](https://www.baeldung.com/guava-cache)
-- [Introduction to Guava Throwables](https://www.baeldung.com/guava-throwables)

guava-modules/guava-utilities/pom.xml

@@ -4,15 +4,15 @@
     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>guava</artifactId>
+    <artifactId>guava-utilities</artifactId>
     <version>0.1.0-SNAPSHOT</version>
-    <name>guava</name>
+    <name>guava-utilities</name>
 
     <parent>
         <groupId>com.baeldung</groupId>
-        <artifactId>parent-java</artifactId>
+        <artifactId>guava-modules</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-java</relativePath>
+        <relativePath>../</relativePath>
     </parent>
 
     <dependencies>

guava-modules/guava-utilities/src/main/java/com/baeldung/guava/eventbus/CustomEvent.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.eventbus;
 
 public class CustomEvent {
     private String action;

guava-modules/guava-utilities/src/main/java/com/baeldung/guava/eventbus/EventListener.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.eventbus;
 
 import com.google.common.eventbus.DeadEvent;
 import com.google.common.eventbus.Subscribe;

guava-modules/guava-utilities/src/main/resources/logback.xml

@@ -0,0 +1,19 @@
+<?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>
+
+    <logger name="org.springframework" level="WARN" />
+    <logger name="org.springframework.transaction" level="WARN" />
+
+    <!-- in order to debug some marshalling issues, this needs to be TRACE -->
+    <logger name="org.springframework.web.servlet.mvc" level="WARN" />
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/bloomfilter/BloomFilterUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.bloomfilter;
 
 
 import com.google.common.hash.BloomFilter;

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/cache/GuavaCacheUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.cache;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/cacheloader/GuavaCacheLoaderUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.cacheloader;
 
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/eventbus/GuavaEventBusUnitTest.java

@@ -1,5 +1,7 @@
-package com.baeldung.guava;
+package com.baeldung.guava.eventbus;
 
+import com.baeldung.guava.eventbus.CustomEvent;
+import com.baeldung.guava.eventbus.EventListener;
 import com.google.common.eventbus.EventBus;
 import org.junit.After;
 import org.junit.Before;

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/mathutils/GuavaBigIntegerMathUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.mathutils;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/mathutils/GuavaDoubleMathUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.mathutils;
 
 import static org.junit.Assert.*;
 

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/mathutils/GuavaIntMathUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.mathutils;
 
 import static org.junit.Assert.*;
 

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/mathutils/GuavaLongMathUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.mathutils;
 
 import static org.junit.Assert.*;
 

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/mathutils/GuavaMathUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.mathutils;
 
 import static org.hamcrest.core.IsEqual.equalTo;
 import static org.junit.Assert.*;

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/ratelimiter/RateLimiterLongRunningUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.ratelimiter;
 
 
 import com.google.common.util.concurrent.RateLimiter;

guava-modules/guava-utilities/src/test/java/com/baeldung/guava/reflectionutils/GuavaReflectionUtilsUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.guava;
+package com.baeldung.guava.reflectionutils;
 
 
 import com.google.common.collect.Lists;

guava-modules/pom.xml

@@ -17,9 +17,16 @@
     </parent>
 
     <modules>
+        <module>guava-utilities</module>
+        <module>guava-core</module>
         <module>guava-18</module>
         <module>guava-19</module>
         <module>guava-21</module>
+        <module>guava-collections</module>
+        <module>guava-collections-list</module>
+        <module>guava-collections-map</module>
+        <module>guava-collections-set</module>
+        <module>guava-io</module>
     </modules>
 
     <dependencies>

pom.xml

@@ -416,12 +416,6 @@
                 <module>graphql/graphql-java</module>
                 <module>grpc</module>
                 <module>gson</module>                
-                <module>guava</module>
-                <module>guava-2</module>
-                <module>guava-collections</module>
-                <module>guava-collections-map</module>
-                <module>guava-collections-set</module>
-                <module>guava-io</module>
                 <module>guava-modules</module>
                 <!-- <module>guest</module> --> <!-- not to be built as its for guest articles  -->
                 <module>guice</module>
@@ -934,11 +928,6 @@
                 <module>graphql/graphql-java</module>
                 <module>grpc</module>
                 <module>gson</module>                
-                <module>guava</module>
-                <module>guava-collections</module>
-                <module>guava-collections-map</module>
-                <module>guava-collections-set</module>
-                <module>guava-io</module>
                 <module>guava-modules</module>
                 <!-- <module>guest</module> --> <!-- not to be built as its for guest articles  -->
                 <module>guice</module>