Merge remote-tracking branch 'origin/master'

core-java-8/pom.xml

@@ -63,6 +63,12 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.4.1</version>
+        </dependency>
+
         <dependency>
             <groupId>org.mockito</groupId>
             <artifactId>mockito-core</artifactId>

core-java-8/src/main/java/com/baeldung/date_migration/NewApi.java

@@ -1,54 +0,0 @@
-package com.baeldung.date_migration;
-
-import java.text.ParseException;
-import java.time.*;
-import java.time.format.DateTimeFormatter;
-import java.time.temporal.ChronoUnit;
-
-public class NewApi {
-    public void currentTime() {
-        ZonedDateTime now = ZonedDateTime.now();
-    }
-
-    public void specificTime() {
-        LocalDate birthDay = LocalDate.of(1990, Month.DECEMBER, 15);
-    }
-
-    public void extractMonth() {
-        Month month = LocalDateTime.now().getMonth();
-    }
-
-    public void subtractTime() {
-        LocalDateTime fiveHoursBefore = LocalDateTime.now().minusHours(5);
-    }
-
-    public void alterField() {
-        LocalDateTime inJune = LocalDateTime.now().withMonth(Month.JUNE.getValue());
-    }
-
-    public void truncate() {
-        LocalTime truncated = LocalTime.now().truncatedTo(ChronoUnit.HOURS);
-    }
-
-    public void convertTimeZone() {
-        ZonedDateTime centralEastern = LocalDateTime.now().atZone(ZoneId.of("CET"));
-    }
-
-    public void getTimeSpan() {
-        LocalDateTime now = LocalDateTime.now();
-        LocalDateTime hourLater = LocalDateTime.now().plusHours(1);
-        Duration span = Duration.between(now, hourLater);
-    }
-
-    public void formatAndParse() throws ParseException {
-        LocalDate now = LocalDate.now();
-        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
-        String formattedDate = now.format(formatter);
-        LocalDate parsedDate = LocalDate.parse(formattedDate, formatter);
-    }
-
-    public void daysInMonth() {
-        int daysInMonth = YearMonth.of(1990, 2).lengthOfMonth();
-    }
-
-}

core-java-8/src/main/java/com/baeldung/date_migration/OldApi.java

@@ -1,68 +0,0 @@
-package com.baeldung.date_migration;
-
-import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.GregorianCalendar;
-import java.util.TimeZone;
-
-public class OldApi {
-    public void currentTime() {
-        Date now = new Date();
-    }
-
-    public void specificTime () {
-        Date birthDay = new GregorianCalendar(1990, Calendar.DECEMBER, 15).getTime();
-    }
-
-    public void extractMonth() {
-        int month = new GregorianCalendar().get(Calendar.MONTH);
-    }
-
-    public void subtractTime() {
-        GregorianCalendar calendar = new GregorianCalendar();
-        calendar.add(Calendar.HOUR_OF_DAY, -5);
-        Date fiveHoursBefore = calendar.getTime();
-    }
-
-    public void alterField() {
-        GregorianCalendar calendar = new GregorianCalendar();
-        calendar.set(Calendar.MONTH, Calendar.JUNE);
-        Date inJune = calendar.getTime();
-    }
-
-    public void truncate() {
-        Calendar now = Calendar.getInstance();
-        now.set(Calendar.MINUTE, 0);
-        now.set(Calendar.SECOND, 0);
-        now.set(Calendar.MILLISECOND, 0);
-        Date truncated = now.getTime();
-    }
-
-    public void convertTimeZone() {
-        GregorianCalendar calendar = new GregorianCalendar();
-        calendar.setTimeZone(TimeZone.getTimeZone("CET"));
-        Date centralEastern = calendar.getTime();
-    }
-
-    public void getTimeSpan() {
-        GregorianCalendar calendar = new GregorianCalendar();
-        Date now = new Date();
-        calendar.add(Calendar.HOUR, 1);
-        Date hourLater = calendar.getTime();
-        long elapsed = hourLater.getTime() - now.getTime();
-    }
-
-    public void formatAndParse() throws ParseException {
-        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
-        Date now = new Date();
-        String formattedDate = dateFormat.format(now);
-        Date parsedDate = dateFormat.parse(formattedDate);
-    }
-
-    public void daysInMonth() {
-        Calendar calendar = new GregorianCalendar(1990, Calendar.FEBRUARY, 20);
-        int daysInMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
-    }
-}

core-java-8/src/test/java/com/baeldung/dateapi/ConversionExample.java

@@ -1,4 +1,4 @@
-package com.baeldung.date_migration;
+package com.baeldung.dateapi;
 
 import java.time.Instant;
 import java.time.ZoneId;
@@ -7,7 +7,7 @@ import java.util.Date;
 import java.util.GregorianCalendar;
 import java.util.TimeZone;
 
-public class Conversion {
+public class ConversionExample {
     public static void main(String[] args) {
         Instant instantFromCalendar = GregorianCalendar.getInstance().toInstant();
         ZonedDateTime zonedDateTimeFromCalendar = new GregorianCalendar().toZonedDateTime();

core-java-8/src/test/java/com/baeldung/dateapi/JavaUtilTimeTest.java

@@ -0,0 +1,89 @@
+package com.baeldung.dateapi;
+
+import org.junit.Test;
+
+import java.text.ParseException;
+import java.time.Duration;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.Month;
+import java.time.YearMonth;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.ChronoUnit;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class JavaUtilTimeTest {
+
+    @Test
+    public void currentTime() {
+        final LocalDate now = LocalDate.now();
+
+        System.out.println(now);
+        // there is not much to test here
+    }
+
+    @Test
+    public void specificTime() {
+        LocalDate birthDay = LocalDate.of(1990, Month.DECEMBER, 15);
+
+        System.out.println(birthDay);
+        // there is not much to test here
+    }
+
+    @Test
+    public void extractMonth() {
+        Month month = LocalDate.of(1990, Month.DECEMBER, 15).getMonth();
+
+        assertThat(month).isEqualTo(Month.DECEMBER);
+    }
+
+    @Test
+    public void subtractTime() {
+        LocalDateTime fiveHoursBefore = LocalDateTime.of(1990, Month.DECEMBER, 15, 15, 0).minusHours(5);
+
+        assertThat(fiveHoursBefore.getHour()).isEqualTo(10);
+    }
+
+    @Test
+    public void alterField() {
+        LocalDateTime inJune = LocalDateTime.of(1990, Month.DECEMBER, 15, 15, 0).with(Month.JUNE);
+
+        assertThat(inJune.getMonth()).isEqualTo(Month.JUNE);
+    }
+
+    @Test
+    public void truncate() {
+        LocalTime truncated = LocalTime.of(15, 12, 34).truncatedTo(ChronoUnit.HOURS);
+
+        assertThat(truncated).isEqualTo(LocalTime.of(15, 0, 0));
+    }
+
+    @Test
+    public void getTimeSpan() {
+        LocalDateTime now = LocalDateTime.now();
+        LocalDateTime hourLater = now.plusHours(1);
+        Duration span = Duration.between(now, hourLater);
+
+        assertThat(span).isEqualTo(Duration.ofHours(1));
+    }
+
+    @Test
+    public void formatAndParse() throws ParseException {
+        LocalDate someDate = LocalDate.of(2016, 12, 7);
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+        String formattedDate = someDate.format(formatter);
+        LocalDate parsedDate = LocalDate.parse(formattedDate, formatter);
+
+        assertThat(formattedDate).isEqualTo("2016-12-07");
+        assertThat(parsedDate).isEqualTo(someDate);
+    }
+
+    @Test
+    public void daysInMonth() {
+        int daysInMonth = YearMonth.of(1990, 2).lengthOfMonth();
+
+        assertThat(daysInMonth).isEqualTo(28);
+    }
+}

httpclient/README.md

@@ -1,7 +1,9 @@
 =========
-
 ## HttpClient 4.x Cookbooks and Examples
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
 
 ### Relevant Articles: 
 

jackson/README.md

@@ -2,6 +2,9 @@
 
 ## Jackson Cookbooks and Examples
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
 ### Relevant Articles: 
 - [Jackson Ignore Properties on Marshalling](http://www.baeldung.com/jackson-ignore-properties-on-serialization)
 - [Jackson – Unmarshall to Collection/Array](http://www.baeldung.com/jackson-collection-array)

mock-comparisons/pom.xml

@@ -12,6 +12,8 @@
 		<mockito.version>1.10.19</mockito.version>
 		<easymock.version>3.4</easymock.version>
 		<jmockit.version>1.24</jmockit.version>
+        
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
 		<!-- maven plugins -->
 		<maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>

raml/README.MD

@@ -0,0 +1,2 @@
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring

rest-testing/README.md

@@ -2,6 +2,8 @@
 
 ## REST Testing and Examples
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
 
 ### Relevant Articles: 
 - [Test a REST API with Java](http://www.baeldung.com/2011/10/13/integration-testing-a-rest-api/)

spring-all/README.md

@@ -4,6 +4,8 @@
 
 This project is used to replicate Spring Exceptions only.
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
  
 ### Relevant articles: 
 - [Properties with Spring](http://www.baeldung.com/2012/02/06/properties-with-spring) - checkout the `org.baeldung.properties` package for all scenarios of properties injection and usage

spring-boot/README.MD

@@ -0,0 +1,2 @@
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring

spring-data-rest/README.md

@@ -1,3 +1,6 @@
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
 # About this project
 This project contains examples from the [Introduction to Spring Data REST](http://www.baeldung.com/spring-data-rest-intro) article from Baeldung.
 

spring-katharsis/README.md

@@ -2,5 +2,8 @@
 
 ## Java Web Application
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
 ### Relevant Articles: 
 - [JSON API in a Java Web Application](http://www.baeldung.com/json-api-java-spring-web-app)

spring-mvc-java/README.md

@@ -2,6 +2,8 @@
 
 ## Spring MVC with Java Configuration Example Project
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
 
 ### Relevant Articles: 
 - [Spring Bean Annotations](http://www.baeldung.com/spring-bean-annotations)

spring-mvc-no-xml/README.md

@@ -2,6 +2,8 @@
 
 ## Spring MVC with NO XML Configuration Example Project
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
 
 ### Relevant Articles: 
-- 
+- 

spring-mvc-xml/README.md

@@ -1,5 +1,8 @@
 =========
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
 ## Spring MVC with XML Configuration Example Project
 - access a sample jsp page at: `http://localhost:8080/spring-mvc-xml/sample.html`
 

spring-rest-docs/README.MD

@@ -0,0 +1,2 @@
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring

spring-rest/README.md

@@ -2,6 +2,8 @@
 
 ## Spring REST Example Project
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
 
 ### Relevant Articles: 
 - [Spring @RequestMapping](http://www.baeldung.com/spring-requestmapping)

spring-scurity-custom-permission/README.MD

@@ -0,0 +1,2 @@
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity

spring-security-basic-auth/README.md

@@ -2,6 +2,8 @@
 
 ## Spring Security with Basic Authentication Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Article: 
 - [Spring Security - security none, filters none, access permitAll](http://www.baeldung.com/security-none-filters-none-access-permitAll)
@@ -9,4 +11,4 @@
 
 
 ### Notes
-- the project includes both views as well as a REST layer
+- the project includes both views as well as a REST layer

spring-security-client/README.MD

@@ -0,0 +1,2 @@
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring

spring-security-mvc-custom/README.md

@@ -2,6 +2,8 @@
 
 ## Spring Security Login Example Project
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
 
 ### Relevant Articles: 
 - [Spring Security Remember Me](http://www.baeldung.com/spring-security-remember-me)

spring-security-mvc-digest-auth/README.md

@@ -2,6 +2,8 @@
 
 ##  Spring Security with Digest Authentication Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Article: 
 - [Spring Security Digest Authentication](http://www.baeldung.com/spring-security-digest-authentication)

spring-security-mvc-ldap/README.md

@@ -1,6 +1,8 @@
 
 ## Spring Security with LDAP Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Article: 
 - [Spring Security - security none, filters none, access permitAll](http://www.baeldung.com/security-none-filters-none-access-permitAll)

spring-security-mvc-login/README.md

@@ -2,11 +2,13 @@
 
 ## Spring Security Login Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Articles: 
 - [Spring Security Form Login](http://www.baeldung.com/spring-security-login)
 - [Spring Security Logout](http://www.baeldung.com/spring-security-logout)
-- [Spring Security Expressions – hasRole Example](http://www.baeldung.com/spring-security-expressions-basic)
+- [Spring Security Expressions – hasRole Example](http://www.baeldung.com/spring-security-expressions-basic)
 
 
 ### Build the Project

spring-security-mvc-persisted-remember-me/README.md

@@ -2,6 +2,8 @@
 
 ## Spring Security Persisted Remember Me Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Articles: 
 - [Spring Security Persisted Remember Me](http://www.baeldung.com/spring-security-persistent-remember-me)

spring-security-mvc-session/README.md

@@ -2,9 +2,11 @@
 
 ## Spring Security Login Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Articles: 
-- [HttpSessionListener Example – Monitoring](http://www.baeldung.com/httpsessionlistener_with_metrics)
+- [HttpSessionListener Example – Monitoring](http://www.baeldung.com/httpsessionlistener_with_metrics)
 - [Spring Security Session Management](http://www.baeldung.com/spring-security-session)
 
 

spring-security-rest-basic-auth/README.md

@@ -2,6 +2,8 @@
 
 ## REST API with Basic Authentication - Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Articles: 
 - [RestTemplate with Basic Authentication in Spring](http://www.baeldung.com/2012/04/16/how-to-use-resttemplate-with-basic-authentication-in-spring-3-1)

spring-security-rest-custom/README.md

@@ -2,6 +2,9 @@
 
 ## Spring Security for REST Example Project
 
+###The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
 ### Relevant Articles: 
 - [Spring Security Authentication Provider](http://www.baeldung.com/spring-security-authentication-provider)
 - [Retrieve User Information in Spring Security](http://www.baeldung.com/get-user-in-spring-security)

spring-security-rest-digest-auth/README.md

@@ -2,6 +2,8 @@
 
 ## REST API with Digest Authentication - Example Project
 
+###The Course
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Articles: 
 - [RestTemplate with Digest Authentication](http://www.baeldung.com/resttemplate-digest-authentication)

spring-security-rest-full/README.md

@@ -2,8 +2,10 @@
 
 ## REST Example Project with Spring Security
 
-### The Course
- The "REST With Spring" Classes: http://bit.ly/restwithspring
+### Courses
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Articles: 
 - [Spring Security Expressions - hasRole Example](http://www.baeldung.com/spring-security-expressions-basic)

spring-security-rest/README.md

@@ -2,6 +2,10 @@
 
 ## Spring Security for REST Example Project
 
+### Courses
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
+The "Learn Spring Security" Classes: http://bit.ly/learnspringsecurity
 
 ### Relevant Articles: 
 - [Spring REST Service Security](http://www.baeldung.com/2011/10/31/securing-a-restful-web-service-with-spring-security-3-1-part-3/)

xml/pom.xml

@@ -1,139 +1,117 @@
 <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.baeldung</groupId>
-    <artifactId>xml</artifactId>
-    <version>0.1-SNAPSHOT</version>
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.baeldung</groupId>
+	<artifactId>xml</artifactId>
+	<version>0.1-SNAPSHOT</version>
 
-    <name>xml</name>
+	<name>xml</name>
 
-    <dependencies>   
-    	  <!-- utils -->
+	<dependencies>
+		<!-- xml libraries -->
+		<dependency>
+			<groupId>dom4j</groupId>
+			<artifactId>dom4j</artifactId>
+			<version>1.6.1</version>
+		</dependency>
+		<dependency>
+			<groupId>jaxen</groupId>
+			<artifactId>jaxen</artifactId>
+			<version>1.1.6</version>
+		</dependency>
 
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>${guava.version}</version>
-        </dependency>
 
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>2.4</version>
-        </dependency>
+		<dependency>
+			<groupId>org.jdom</groupId>
+			<artifactId>jdom2</artifactId>
+			<version>2.0.6</version>
+		</dependency>
 
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-collections4</artifactId>
-            <version>4.0</version>
-        </dependency>
+		<dependency>
+			<groupId>xerces</groupId>
+			<artifactId>xercesImpl</artifactId>
+			<version>2.9.1</version>
+		</dependency>
 
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-    	
-    
-        <!-- test scoped -->
+		<!-- utils -->
+		<dependency>
+			<groupId>commons-io</groupId>
+			<artifactId>commons-io</artifactId>
+			<version>2.4</version>
+		</dependency>
 
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-collections4</artifactId>
+			<version>4.0</version>
+		</dependency>
 
-        <dependency>
-            <groupId>org.hamcrest</groupId>
-            <artifactId>hamcrest-core</artifactId>
-            <version>${org.hamcrest.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.hamcrest</groupId>
-            <artifactId>hamcrest-library</artifactId>
-            <version>${org.hamcrest.version}</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+			<version>${commons-lang3.version}</version>
+		</dependency>
 
-        <dependency>
-            <groupId>org.mockito</groupId>
-            <artifactId>mockito-core</artifactId>
-            <version>${mockito.version}</version>
-            <scope>test</scope>
-        </dependency>
 
-    </dependencies>
+		<!-- test scoped -->
 
-    <build>
-        <finalName>xml</finalName>
-        <resources>
-            <resource>
-                <directory>src/main/resources</directory>
-                <filtering>true</filtering>
-            </resource>
-        </resources>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>${junit.version}</version>
+			<scope>test</scope>
+		</dependency>
 
-        <plugins>
+	</dependencies>
 
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                </configuration>
-            </plugin>
+	<build>
+		<finalName>xml</finalName>
+		<resources>
+			<resource>
+				<directory>src/main/resources</directory>
+				<filtering>true</filtering>
+			</resource>
+		</resources>
 
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <version>${maven-surefire-plugin.version}</version>
-            </plugin>
+		<plugins>
 
-        </plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>${maven-compiler-plugin.version}</version>
+				<configuration>
+					<source>1.8</source>
+					<target>1.8</target>
+				</configuration>
+			</plugin>
 
-    </build>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<version>${maven-surefire-plugin.version}</version>
+			</plugin>
 
-   <properties>
-        <!-- persistence -->
-        <hibernate.version>4.3.11.Final</hibernate.version>
-        <mysql-connector-java.version>5.1.38</mysql-connector-java.version>
+		</plugins>
 
-        <!-- marshalling -->
-        <jackson.version>2.7.2</jackson.version>
+	</build>
 
-        <!-- logging -->
-        <org.slf4j.version>1.7.13</org.slf4j.version>
-        <logback.version>1.1.3</logback.version>
+	<properties>
 
-        <!-- various -->
-        <hibernate-validator.version>5.1.3.Final</hibernate-validator.version>
+		<!-- util -->
+		<guava.version>19.0</guava.version>
+		<commons-lang3.version>3.4</commons-lang3.version>
 
-        <!-- util -->
-        <guava.version>19.0</guava.version>
-        <commons-lang3.version>3.4</commons-lang3.version>
+		<!-- testing -->
+		<junit.version>4.12</junit.version>
 
-        <!-- testing -->
-        <org.hamcrest.version>1.3</org.hamcrest.version>
-        <junit.version>4.12</junit.version>
-        <mockito.version>1.10.19</mockito.version>
+		<!-- maven plugins -->
+		<maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
+		<maven-war-plugin.version>2.6</maven-war-plugin.version>
+		<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
+		<maven-resources-plugin.version>2.7</maven-resources-plugin.version>
+		<cargo-maven2-plugin.version>1.4.18</cargo-maven2-plugin.version>
 
-        <httpcore.version>4.4.1</httpcore.version>
-        <httpclient.version>4.5</httpclient.version>
-
-        <rest-assured.version>2.9.0</rest-assured.version>
-
-        <!-- maven plugins -->
-        <maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
-        <maven-war-plugin.version>2.6</maven-war-plugin.version>
-        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
-        <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
-        <cargo-maven2-plugin.version>1.4.18</cargo-maven2-plugin.version>
-
-    </properties>
+	</properties>
 
 </project>
 

xml/src/main/java/com/baeldung/xml/DefaultParser.java

@@ -39,7 +39,7 @@ public class DefaultParser {
 
             XPath xPath = XPathFactory.newInstance().newXPath();
 
-            String expression = "/Tutorials/Tutorial";
+            String expression = "/tutorials/tutorial";
 
             nodeList = (NodeList) xPath.compile(expression).evaluate(xmlDocument, XPathConstants.NODESET);
 
@@ -60,7 +60,7 @@ public class DefaultParser {
 
             XPath xPath = XPathFactory.newInstance().newXPath();
 
-            String expression = "/Tutorials/Tutorial[@tutId=" + "'" + id + "'" + "]";
+            String expression = "/tutorials/tutorial[@tutId=" + "'" + id + "'" + "]";
 
             node = (Node) xPath.compile(expression).evaluate(xmlDocument, XPathConstants.NODE);
 
@@ -83,7 +83,7 @@ public class DefaultParser {
 
             XPath xPath = XPathFactory.newInstance().newXPath();
 
-            String expression = "//Tutorial[descendant::title[text()=" + "'" + name + "'" + "]]";
+            String expression = "//tutorial[descendant::title[text()=" + "'" + name + "'" + "]]";
 
             nodeList = (NodeList) xPath.compile(expression).evaluate(xmlDocument, XPathConstants.NODESET);
 
@@ -107,7 +107,7 @@ public class DefaultParser {
 
             XPath xPath = XPathFactory.newInstance().newXPath();
 
-            String expression = "//Tutorial[number(translate(date, '/', '')) > " + date + "]";
+            String expression = "//tutorial[number(translate(date, '/', '')) > " + date + "]";
 
             nodeList = (NodeList) xPath.compile(expression).evaluate(xmlDocument, XPathConstants.NODESET);
 
@@ -151,7 +151,7 @@ public class DefaultParser {
                 }
             });
 
-            String expression = "/bdn:Tutorials/bdn:Tutorial";
+            String expression = "/bdn:tutorials/bdn:tutorial";
 
             nodeList = (NodeList) xPath.compile(expression).evaluate(xmlDocument, XPathConstants.NODESET);
 

xml/src/main/java/com/baeldung/xml/Dom4JParser.java

@@ -0,0 +1,131 @@
+package com.baeldung.xml;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.DocumentHelper;
+import org.dom4j.Element;
+import org.dom4j.Node;
+import org.dom4j.io.OutputFormat;
+import org.dom4j.io.SAXReader;
+import org.dom4j.io.XMLWriter;
+
+public class Dom4JParser {
+
+	private File file;
+
+	public Dom4JParser(File file) {
+		this.file = file;
+	}
+
+	public Element getRootElement() {
+		try {
+			SAXReader reader = new SAXReader();
+			Document document = reader.read(file);
+			return document.getRootElement();
+		} catch (DocumentException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	public List<Element> getFirstElementList() {
+		try {
+			SAXReader reader = new SAXReader();
+			Document document = reader.read(file);
+			return document.getRootElement().elements();
+		} catch (DocumentException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	public Node getNodeById(String id) {
+		try {
+			SAXReader reader = new SAXReader();
+			Document document = reader.read(file);
+			List<Node> elements = document.selectNodes("//*[@tutId='" + id + "']");
+			return elements.get(0);
+		} catch (DocumentException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	public Node getElementsListByTitle(String name) {
+		try {
+			SAXReader reader = new SAXReader();
+			Document document = reader.read(file);
+			List<Node> elements = document
+					.selectNodes("//tutorial[descendant::title[text()=" + "'" + name + "'" + "]]");
+			return elements.get(0);
+		} catch (DocumentException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	public void generateModifiedDocument() {
+		try {
+			SAXReader reader = new SAXReader();
+			Document document = reader.read(file);
+			List<Node> nodes = document.selectNodes("/tutorials/tutorial");
+			for (Node node : nodes) {
+				Element element = (Element) node;
+				Iterator<Element> iterator = element.elementIterator("title");
+				while (iterator.hasNext()) {
+					Element title = (Element) iterator.next();
+					title.setText(title.getText() + " updated");
+				}
+			}
+			XMLWriter writer = new XMLWriter(new FileWriter(new File("src/test/resources/example_updated.xml")));
+			writer.write(document);
+			writer.close();
+		} catch (DocumentException e) {
+			e.printStackTrace();
+
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+
+	public void generateNewDocument() {
+		try {
+			Document document = DocumentHelper.createDocument();
+			Element root = document.addElement("XMLTutorials");
+			Element tutorialElement = root.addElement("tutorial").addAttribute("tutId", "01");
+			tutorialElement.addAttribute("type", "xml");
+
+			tutorialElement.addElement("title").addText("XML with Dom4J");
+
+			tutorialElement.addElement("description").addText("XML handling with Dom4J");
+
+			tutorialElement.addElement("date").addText("14/06/2016");
+
+			tutorialElement.addElement("author").addText("Dom4J tech writer");
+
+			OutputFormat format = OutputFormat.createPrettyPrint();
+			XMLWriter writer = new XMLWriter(new FileWriter(new File("src/test/resources/example_new.xml")), format);
+			writer.write(document);
+			writer.close();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+
+	public File getFile() {
+		return file;
+	}
+
+	public void setFile(File file) {
+		this.file = file;
+	}
+
+}

xml/src/main/java/com/baeldung/xml/JDomParser.java

@@ -0,0 +1,62 @@
+package com.baeldung.xml;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+import org.jdom2.Document;
+import org.jdom2.Element;
+import org.jdom2.JDOMException;
+import org.jdom2.filter.Filters;
+import org.jdom2.input.SAXBuilder;
+import org.jdom2.xpath.XPathExpression;
+import org.jdom2.xpath.XPathFactory;
+
+
+public class JDomParser {
+
+	private File file;
+
+	public JDomParser(File file) {
+		this.file = file;
+	}
+
+	public List<Element> getAllTitles() {
+		try {
+			SAXBuilder builder = new SAXBuilder();
+			Document doc = builder.build(this.getFile());
+			Element tutorials = doc.getRootElement();
+			List<Element> titles = tutorials.getChildren("tutorial");
+			return titles;
+		} catch (JDOMException | IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+			return null;
+		}
+	}
+	
+	public Element getNodeById(String id) {
+		try {
+			SAXBuilder builder = new SAXBuilder();
+			Document document = (Document) builder.build(file);
+			String filter = "//*[@tutId='" + id + "']";
+			XPathFactory xFactory = XPathFactory.instance();
+			XPathExpression<Element> expr = xFactory.compile(filter, Filters.element());
+			List<Element> node = expr.evaluate(document);
+			
+			return node.get(0);
+		} catch (JDOMException | IOException e ) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	public File getFile() {
+		return file;
+	}
+
+	public void setFile(File file) {
+		this.file = file;
+	}
+
+}

xml/src/main/java/com/baeldung/xml/JaxbParser.java

@@ -0,0 +1,69 @@
+package com.baeldung.xml;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Date;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+import javax.xml.bind.Unmarshaller;
+
+import com.baeldung.xml.binding.Tutorial;
+import com.baeldung.xml.binding.Tutorials;
+
+public class JaxbParser {
+
+	private File file;
+
+	public JaxbParser(File file) {
+		this.file = file;
+	}
+
+	public Tutorials getFullDocument() {
+		try {
+			JAXBContext jaxbContext = JAXBContext.newInstance(Tutorials.class);
+			Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
+			Tutorials tutorials = (Tutorials) jaxbUnmarshaller.unmarshal(this.getFile());
+			return tutorials;
+		} catch (JAXBException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	public void createNewDocument() {
+		Tutorials tutorials = new Tutorials();
+		tutorials.setTutorial(new ArrayList<Tutorial>());
+		Tutorial tut = new Tutorial();
+		tut.setTutId("01");
+		tut.setType("XML");
+		tut.setTitle("XML with Jaxb");
+		tut.setDescription("XML Binding with Jaxb");
+		tut.setDate(new Date());
+		tut.setAuthor("Jaxb author");
+		tutorials.getTutorial().add(tut);
+
+		try {
+			JAXBContext jaxbContext = JAXBContext.newInstance(Tutorials.class);
+			Marshaller jaxbMarshaller = jaxbContext.createMarshaller();
+
+			jaxbMarshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
+
+			jaxbMarshaller.marshal(tutorials, file);
+
+		} catch (JAXBException e) {
+			e.printStackTrace();
+		}
+
+	}
+
+	public File getFile() {
+		return file;
+	}
+
+	public void setFile(File file) {
+		this.file = file;
+	}
+
+}

xml/src/main/java/com/baeldung/xml/JaxenDemo.java

@@ -0,0 +1,57 @@
+package com.baeldung.xml;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.List;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import org.jaxen.JaxenException;
+import org.jaxen.XPath;
+import org.jaxen.dom.DOMXPath;
+import org.w3c.dom.Document;
+import org.xml.sax.SAXException;
+
+public class JaxenDemo {
+
+	private File file;
+
+	public JaxenDemo(File file) {
+		this.file = file;
+	}
+	
+	public List getAllTutorial(){
+        try {
+            FileInputStream fileIS = new FileInputStream(this.getFile());
+            DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
+
+            DocumentBuilder builder = builderFactory.newDocumentBuilder();
+
+            Document xmlDocument = builder.parse(fileIS);
+
+            String expression = "/tutorials/tutorial";
+            
+            XPath path = new DOMXPath(expression);
+            List result = path.selectNodes(xmlDocument);
+            return result;
+        
+        } catch (SAXException | IOException | ParserConfigurationException | JaxenException e) {
+            e.printStackTrace();
+            return null;
+        }
+        
+	}
+
+	public File getFile() {
+		return file;
+	}
+
+	public void setFile(File file) {
+		this.file = file;
+	}
+	
+	
+}

xml/src/main/java/com/baeldung/xml/StaxParser.java

@@ -0,0 +1,120 @@
+package com.baeldung.xml;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import javax.xml.stream.XMLEventReader;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.events.Attribute;
+import javax.xml.stream.events.Characters;
+import javax.xml.stream.events.EndElement;
+import javax.xml.stream.events.StartElement;
+import javax.xml.stream.events.XMLEvent;
+
+import com.baeldung.xml.model.Tutorial;
+
+public class StaxParser {
+
+	private File file;
+
+	public StaxParser(File file) {
+		this.file = file;
+	}
+
+	public List<Tutorial> getAllTutorial() {
+		boolean bTitle = false;
+		boolean bDescription = false;
+		boolean bDate = false;
+		boolean bAuthor = false;
+		List<Tutorial> tutorials = new ArrayList<Tutorial>();
+		try {
+			XMLInputFactory factory = XMLInputFactory.newInstance();
+			XMLEventReader eventReader = factory.createXMLEventReader(new FileReader(this.getFile()));
+			Tutorial current = null;
+			while (eventReader.hasNext()) {
+				XMLEvent event = eventReader.nextEvent();
+				switch (event.getEventType()) {
+				case XMLStreamConstants.START_ELEMENT:
+					StartElement startElement = event.asStartElement();
+					String qName = startElement.getName().getLocalPart();
+					if (qName.equalsIgnoreCase("tutorial")) {
+						current = new Tutorial();
+						Iterator<Attribute> attributes = startElement.getAttributes();
+						while (attributes.hasNext()) {
+							Attribute currentAt = attributes.next();
+							if (currentAt.getName().toString().equalsIgnoreCase("tutId")) {
+								current.setTutId(currentAt.getValue());
+							} else if (currentAt.getName().toString().equalsIgnoreCase("type")) {
+								current.setType(currentAt.getValue());
+							}
+						}
+					} else if (qName.equalsIgnoreCase("title")) {
+						bTitle = true;
+					} else if (qName.equalsIgnoreCase("description")) {
+						bDescription = true;
+					} else if (qName.equalsIgnoreCase("date")) {
+						bDate = true;
+					} else if (qName.equalsIgnoreCase("author")) {
+						bAuthor = true;
+					}
+					break;
+				case XMLStreamConstants.CHARACTERS:
+					Characters characters = event.asCharacters();
+					if (bTitle) {
+						if (current != null) {
+							current.setTitle(characters.getData());
+						}
+						bTitle = false;
+					}
+					if (bDescription) {
+						if (current != null) {
+							current.setDescription(characters.getData());
+						}
+						bDescription = false;
+					}
+					if (bDate) {
+						if (current != null) {
+							current.setDate(characters.getData());
+						}
+						bDate = false;
+					}
+					if (bAuthor) {
+						if (current != null) {
+							current.setAuthor(characters.getData());
+						}
+						bAuthor = false;
+					}
+					break;
+				case XMLStreamConstants.END_ELEMENT:
+					EndElement endElement = event.asEndElement();
+					if (endElement.getName().getLocalPart().equalsIgnoreCase("tutorial")) {
+						if(current != null){
+							tutorials.add(current);
+						}
+					}
+					break;
+				}
+			}
+
+		} catch (FileNotFoundException | XMLStreamException e) {
+			e.printStackTrace();
+		}
+
+		return tutorials;
+	}
+
+	public File getFile() {
+		return file;
+	}
+
+	public void setFile(File file) {
+		this.file = file;
+	}
+
+}

xml/src/main/java/com/baeldung/xml/binding/Tutorial.java

@@ -0,0 +1,61 @@
+package com.baeldung.xml.binding;
+
+import java.util.Date;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlElement;
+
+public class Tutorial {
+
+	private String tutId;
+	private String type;
+	private String title;
+	private String description;
+	private Date date;
+	private String author;
+	
+	
+	public String getTutId() {
+		return tutId;
+	}
+	
+	@XmlAttribute
+	public void setTutId(String tutId) {
+		this.tutId = tutId;
+	}
+	public String getType() {
+		return type;
+	}
+	@XmlAttribute
+	public void setType(String type) {
+		this.type = type;
+	}
+	public String getTitle() {
+		return title;
+	}
+	@XmlElement
+	public void setTitle(String title) {
+		this.title = title;
+	}
+	public String getDescription() {
+		return description;
+	}
+	@XmlElement
+	public void setDescription(String description) {
+		this.description = description;
+	}
+	public Date getDate() {
+		return date;
+	}
+	@XmlElement
+	public void setDate(Date date) {
+		this.date = date;
+	}
+	public String getAuthor() {
+		return author;
+	}
+	@XmlElement
+	public void setAuthor(String author) {
+		this.author = author;
+	}
+}

xml/src/main/java/com/baeldung/xml/binding/Tutorials.java

@@ -0,0 +1,23 @@
+package com.baeldung.xml.binding;
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement
+public class Tutorials {
+
+	private List<Tutorial> tutorial;
+
+	public List<Tutorial> getTutorial() {
+		return tutorial;
+	}
+	
+	@XmlElement
+	public void setTutorial(List<Tutorial> tutorial) {
+		this.tutorial = tutorial;
+	}
+	
+	
+}

xml/src/main/java/com/baeldung/xml/model/Tutorial.java

@@ -0,0 +1,49 @@
+package com.baeldung.xml.model;
+
+public class Tutorial {
+	
+	private String tutId;
+	private String type;
+	private String title;
+	private String description;
+	private String date;
+	private String author;
+	
+	
+	public String getTutId() {
+		return tutId;
+	}
+	public void setTutId(String tutId) {
+		this.tutId = tutId;
+	}
+	public String getType() {
+		return type;
+	}
+	public void setType(String type) {
+		this.type = type;
+	}
+	public String getTitle() {
+		return title;
+	}
+	public void setTitle(String title) {
+		this.title = title;
+	}
+	public String getDescription() {
+		return description;
+	}
+	public void setDescription(String description) {
+		this.description = description;
+	}
+	public String getDate() {
+		return date;
+	}
+	public void setDate(String date) {
+		this.date = date;
+	}
+	public String getAuthor() {
+		return author;
+	}
+	public void setAuthor(String author) {
+		this.author = author;
+	}
+}

xml/src/test/java/com/baeldung/xml/DefaultParserTest.java

@@ -1,23 +1,22 @@
 package com.baeldung.xml;
 
-import static org.junit.Assert.*;
-
-import java.io.File;
-
 import org.junit.Test;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
-/**
- * Unit test for simple App.
- */
+import java.io.File;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
 public class DefaultParserTest {
 
-    final String fileName = "src/test/resources/example.xml";
+    private final String fileName = "src/test/resources/example.xml";
     
-    final String fileNameSpace = "src/test/resources/example_namespace.xml";
+    private final String fileNameSpace = "src/test/resources/example_namespace.xml";
 
-    DefaultParser parser;
+    private DefaultParser parser;
 
     @Test
     public void getFirstLevelNodeListTest() {
@@ -29,11 +28,11 @@ public class DefaultParserTest {
     }
 
     @Test
-    public void getNodeListByTitle() {
+    public void getNodeListByTitleTest() {
         parser = new DefaultParser(new File(fileName));
         NodeList list = parser.getNodeListByTitle("XML");
 
-        for (int i = 0; null != list && i < list.getLength(); i++) {
+        for (int i = 0; i < list.getLength(); i++) {
             Node nod = list.item(i);
             assertEquals("java", nod.getAttributes().getNamedItem("type").getTextContent());
             assertEquals("02", nod.getAttributes().getNamedItem("tutId").getTextContent());
@@ -47,7 +46,7 @@ public class DefaultParserTest {
     }
 
     @Test
-    public void getNodeById() {
+    public void getNodeByIdTest() {
         parser = new DefaultParser(new File(fileName));
         Node node = parser.getNodeById("03");
 
@@ -56,10 +55,10 @@ public class DefaultParserTest {
     }
     
     @Test
-    public void getNodeListByDate(){
+    public void getNodeListByDateTest(){
         parser = new DefaultParser(new File(fileName));
         NodeList list = parser.getNodeListByTitle("04022016");
-        for (int i = 0; null != list && i < list.getLength(); i++) {
+        for (int i = 0; i < list.getLength(); i++) {
             Node nod = list.item(i);
             assertEquals("java", nod.getAttributes().getNamedItem("type").getTextContent());
             assertEquals("04", nod.getAttributes().getNamedItem("tutId").getTextContent());
@@ -73,7 +72,7 @@ public class DefaultParserTest {
     }
     
     @Test
-    public void getNodeListWithNamespace(){
+    public void getNodeListWithNamespaceTest(){
         parser = new DefaultParser(new File(fileNameSpace));
         NodeList list = parser.getAllTutorials();
         assertNotNull(list);

xml/src/test/java/com/baeldung/xml/Dom4JParserTest.java

@@ -0,0 +1,88 @@
+package com.baeldung.xml;
+
+import org.dom4j.Element;
+import org.dom4j.Node;
+import org.junit.Test;
+
+import java.io.File;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class Dom4JParserTest {
+
+	private static final String FILE_NAME = "src/test/resources/example.xml";
+
+	private Dom4JParser parser;
+
+	@Test
+	public void getRootElementTest() {
+		parser = new Dom4JParser(new File(FILE_NAME));
+		Element root = parser.getRootElement();
+
+		assertNotNull(root);
+		assertTrue(root.elements().size() == 4);
+	}
+
+	@Test
+	public void getFirstElementListTest() {
+		parser = new Dom4JParser(new File(FILE_NAME));
+		List<Element> firstList = parser.getFirstElementList();
+
+		assertNotNull(firstList);
+		assertTrue(firstList.size() == 4);
+		assertTrue(firstList.get(0).attributeValue("type").equals("java"));
+	}
+
+	@Test
+	public void getElementByIdTest() {
+		parser = new Dom4JParser(new File(FILE_NAME));
+		Node element = parser.getNodeById("03");
+
+		String type = element.valueOf("@type");
+		assertEquals("android", type);
+	}
+
+	@Test
+	public void getElementsListByTitleTest() {
+		parser = new Dom4JParser(new File(FILE_NAME));
+		Node element = parser.getElementsListByTitle("XML");
+
+		assertEquals("java", element.valueOf("@type"));
+		assertEquals("02", element.valueOf("@tutId"));
+		assertEquals("XML", element.selectSingleNode("title").getText());
+		assertEquals("title", element.selectSingleNode("title").getName());
+	}
+
+	@Test
+	public void generateModifiedDocumentTest() {
+		parser = new Dom4JParser(new File(FILE_NAME));
+		parser.generateModifiedDocument();
+
+		File generatedFile = new File("src/test/resources/example_updated.xml");
+		assertTrue(generatedFile.exists());
+
+		parser.setFile(generatedFile);
+		Node element = parser.getNodeById("02");
+
+		assertEquals("XML updated", element.selectSingleNode("title").getText());
+
+	}
+	
+	@Test
+	public void generateNewDocumentTest() {
+		parser = new Dom4JParser(new File(FILE_NAME));
+		parser.generateNewDocument();
+
+		File newFile = new File("src/test/resources/example_new.xml");
+		assertTrue(newFile.exists());
+
+		parser.setFile(newFile);
+		Node element = parser.getNodeById("01");
+
+		assertEquals("XML with Dom4J", element.selectSingleNode("title").getText());
+
+	}
+}

xml/src/test/java/com/baeldung/xml/JDomParserTest.java

@@ -0,0 +1,38 @@
+package com.baeldung.xml;
+
+import org.jdom2.Element;
+import org.junit.Test;
+
+import java.io.File;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class JDomParserTest {
+	
+	private final String fileName = "src/test/resources/example.xml";
+
+	private JDomParser parser;
+	
+	@Test
+	public void getFirstElementListTest() {
+		parser = new JDomParser(new File(fileName));
+		List<Element> firstList = parser.getAllTitles();
+
+		assertNotNull(firstList);
+		assertTrue(firstList.size() == 4);
+		assertTrue(firstList.get(0).getAttributeValue("type").equals("java"));
+	}
+	
+	@Test
+	public void getElementByIdTest() {
+		parser = new JDomParser(new File(fileName));
+		Element el = parser.getNodeById("03");
+		
+		String type = el.getAttributeValue("type");
+		assertEquals("android", type);
+	}
+	
+}

xml/src/test/java/com/baeldung/xml/JaxbParserTest.java

@@ -0,0 +1,43 @@
+package com.baeldung.xml;
+
+import com.baeldung.xml.binding.Tutorials;
+import org.junit.Test;
+
+import java.io.File;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class JaxbParserTest {
+
+	
+	private final String fileName = "src/test/resources/example.xml";
+
+	private JaxbParser parser;
+	
+	@Test
+	public void getFullDocumentTest(){
+		parser = new JaxbParser(new File(fileName));
+		Tutorials tutorials = parser.getFullDocument();
+
+		assertNotNull(tutorials);
+		assertTrue(tutorials.getTutorial().size() == 4);
+		assertTrue(tutorials.getTutorial().get(0).getType().equalsIgnoreCase("java"));
+	}
+	
+	@Test
+	public void createNewDocumentTest(){
+		File newFile = new File("src/test/resources/example_new.xml");
+		parser = new JaxbParser(newFile);
+		parser.createNewDocument();
+
+		
+		assertTrue(newFile.exists());
+
+		Tutorials tutorials = parser.getFullDocument();
+
+		assertNotNull(tutorials);
+		assertTrue(tutorials.getTutorial().size() == 1);
+		assertTrue(tutorials.getTutorial().get(0).getTitle().equalsIgnoreCase("XML with Jaxb"));
+	}
+}

xml/src/test/java/com/baeldung/xml/JaxenDemoTest.java

@@ -0,0 +1,25 @@
+package com.baeldung.xml;
+
+import org.junit.Test;
+
+import java.io.File;
+import java.util.List;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class JaxenDemoTest {
+
+	private final String fileName = "src/test/resources/example.xml";
+	
+	private JaxenDemo jaxenDemo;
+	
+	@Test
+    public void getFirstLevelNodeListTest() {
+		jaxenDemo = new JaxenDemo(new File(fileName));
+        List<?> list = jaxenDemo.getAllTutorial();
+
+        assertNotNull(list);
+        assertTrue(list.size() == 4);
+    }
+}

xml/src/test/java/com/baeldung/xml/StaxParserTest.java

@@ -0,0 +1,27 @@
+package com.baeldung.xml;
+
+import com.baeldung.xml.model.Tutorial;
+import org.junit.Test;
+
+import java.io.File;
+import java.util.List;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class StaxParserTest {
+
+	private final String fileName = "src/test/resources/example.xml";
+
+	private StaxParser parser;
+	
+	@Test
+	public void getAllTutorialsTest(){
+		parser = new StaxParser(new File(fileName));
+		List<Tutorial> tutorials = parser.getAllTutorial();
+		
+		assertNotNull(tutorials);
+		assertTrue(tutorials.size() == 4);
+		assertTrue(tutorials.get(0).getType().equalsIgnoreCase("java"));
+	}
+}

xml/src/test/resources/example.xml

@@ -1,24 +1,24 @@
 <?xml version="1.0"?>
-<Tutorials>
-	<Tutorial tutId="01" type="java">
+<tutorials>
+	<tutorial tutId="01" type="java">
 		<title>Guava</title>
 		<description>Introduction to Guava</description>
 		<date>04/04/2016</date>
 		<author>GuavaAuthor</author>
-	</Tutorial>
-	<Tutorial tutId="02" type="java">
+	</tutorial>
+	<tutorial tutId="02" type="java">
 		<title>XML</title>
 		<description>Introduction to XPath</description>
 		<date>04/05/2016</date>
 		<author>XMLAuthor</author>
-	</Tutorial>
-	<Tutorial tutId="03" type="android">
+	</tutorial>
+	<tutorial tutId="03" type="android">
 		<title>Android</title>
 		<description>Introduction to Android</description>
 		<date>04/03/2016</date>
 		<author>AndroidAuthor</author>
-	</Tutorial>
-	<Tutorial tutId="04" type="java">
+	</tutorial>
+	<tutorial tutId="04" type="java">
 		<title>Spring</title>
 		<description>Introduction to Spring</description>
 		<date>04/02/2016</date>
@@ -28,5 +28,5 @@
 			<section name="mvc">Spring MVC</section>
 			<section name="batch">Spring Batch</section>
 		</sections>
-	</Tutorial>
-</Tutorials>
+	</tutorial>
+</tutorials>

xml/src/test/resources/example_namespace.xml

@@ -1,24 +1,24 @@
 <?xml version="1.0"?>
-<Tutorials xmlns="http://www.baeldung.com/full_archive">
-    <Tutorial tutId="01" type="java">
+<tutorials xmlns="http://www.baeldung.com/full_archive">
+    <tutorial tutId="01" type="java">
 		<title>Guava</title>
 		<description>Introduction to Guava</description>
 		<date>04/04/2016</date>
 		<author>GuavaAuthor</author>
-	</Tutorial>
-	<Tutorial tutId="02" type="java">
+	</tutorial>
+	<tutorial tutId="02" type="java">
 		<title>XML</title>
 		<description>Introduction to XPath</description>
 		<date>04/05/2016</date>
 		<author>XMLAuthor</author>
-	</Tutorial>
-	<Tutorial tutId="03" type="android">
+	</tutorial>
+	<tutorial tutId="03" type="android">
 		<title>Android</title>
 		<description>Introduction to Android</description>
 		<date>04/03/2016</date>
 		<author>AndroidAuthor</author>
-	</Tutorial>
-	<Tutorial tutId="04" type="java">
+	</tutorial>
+	<tutorial tutId="04" type="java">
 		<title>Spring</title>
 		<description>Introduction to Spring</description>
 		<date>04/02/2016</date>
@@ -28,5 +28,5 @@
 			<section name="mvc">Spring MVC</section>
 			<section name="batch">Spring Batch</section>
 		</sections>
-	</Tutorial>
-</Tutorials>
+	</tutorial>
+</tutorials>

xml/src/test/resources/example_new.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<XMLTutorials>
+  <tutorial tutId="01" type="xml">
+    <title>XML with Dom4J</title>
+    <description>XML handling with Dom4J</description>
+    <date>14/06/2016</date>
+    <author>Dom4J tech writer</author>
+  </tutorial>
+</XMLTutorials>

xml/src/test/resources/example_updated.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<tutorials>
+	<tutorial tutId="01" type="java">
+		<title>Guava updated</title>
+		<description>Introduction to Guava</description>
+		<date>04/04/2016</date>
+		<author>GuavaAuthor</author>
+	</tutorial>
+	<tutorial tutId="02" type="java">
+		<title>XML updated</title>
+		<description>Introduction to XPath</description>
+		<date>04/05/2016</date>
+		<author>XMLAuthor</author>
+	</tutorial>
+	<tutorial tutId="03" type="android">
+		<title>Android updated</title>
+		<description>Introduction to Android</description>
+		<date>04/03/2016</date>
+		<author>AndroidAuthor</author>
+	</tutorial>
+	<tutorial tutId="04" type="java">
+		<title>Spring updated</title>
+		<description>Introduction to Spring</description>
+		<date>04/02/2016</date>
+		<author>SpringAuthor</author>
+		<sections>
+			<section name="core">Spring Core</section>
+			<section name="mvc">Spring MVC</section>
+			<section name="batch">Spring Batch</section>
+		</sections>
+	</tutorial>
+</tutorials>