Apache CXF Aegis data bindings

apache-cxf/cxf-aegis/pom.xml

@@ -0,0 +1,20 @@
+<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/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>cxf-aegis</artifactId>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>apache-cxf</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+    <properties>
+        <cxf.version>3.1.8</cxf.version>        
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.cxf</groupId>
+            <artifactId>cxf-rt-databinding-aegis</artifactId>
+            <version>${cxf.version}</version>
+        </dependency>
+    </dependencies>
+</project>

apache-cxf/cxf-aegis/src/main/java/com/baeldung/cxf/aegis/Course.java

@@ -0,0 +1,42 @@
+package com.baeldung.cxf.aegis;
+
+import java.util.Date;
+
+public class Course {
+    private int id;
+    private String name;
+    private String instructor;
+    private Date enrolmentDate;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getInstructor() {
+        return instructor;
+    }
+
+    public void setInstructor(String instructor) {
+        this.instructor = instructor;
+    }
+
+    public Date getEnrolmentDate() {
+        return enrolmentDate;
+    }
+
+    public void setEnrolmentDate(Date enrolmentDate) {
+        this.enrolmentDate = enrolmentDate;
+    }
+}

apache-cxf/cxf-aegis/src/main/java/com/baeldung/cxf/aegis/CourseRepo.java

@@ -0,0 +1,11 @@
+package com.baeldung.cxf.aegis;
+
+import java.util.Map;
+
+public interface CourseRepo {
+    String getGreeting();
+    void setGreeting(String greeting);
+    Map<Integer, Course> getCourses();
+    void setCourses(Map<Integer, Course> courses);
+    void addCourse(Course course);  
+}

apache-cxf/cxf-aegis/src/main/java/com/baeldung/cxf/aegis/CourseRepoImpl.java

@@ -0,0 +1,34 @@
+package com.baeldung.cxf.aegis;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class CourseRepoImpl implements CourseRepo {
+    private String greeting;
+    private Map<Integer, Course> courses = new HashMap<>();
+
+    @Override
+    public String getGreeting() {
+        return greeting;
+    }
+
+    @Override
+    public void setGreeting(String greeting) {
+        this.greeting = greeting;
+    }
+
+    @Override
+    public Map<Integer, Course> getCourses() {
+        return courses;
+    }
+
+    @Override
+    public void setCourses(Map<Integer, Course> courses) {
+        this.courses = courses;
+    }
+
+    @Override
+    public void addCourse(Course course) {
+        courses.put(course.getId(), course);
+    }
+}

apache-cxf/cxf-aegis/src/main/resources/com/baeldung/cxf/aegis/Course.aegis.xml

@@ -0,0 +1,5 @@
+<mappings>
+    <mapping>
+        <property name="instructor" ignore="true"/>
+    </mapping>
+</mappings>

apache-cxf/cxf-aegis/src/main/resources/com/baeldung/cxf/aegis/CourseRepo.aegis.xml

@@ -0,0 +1,5 @@
+<mappings xmlns:ns="http://courserepo.baeldung.com">
+    <mapping name="ns:Baeldung">
+        <property name="greeting" style="attribute"/>
+    </mapping>
+</mappings>

apache-cxf/cxf-aegis/src/test/java/com/baeldung/cxf/aegis/BaeldungTest.java

@@ -0,0 +1,93 @@
+package com.baeldung.cxf.aegis;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import org.junit.Test;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.lang.reflect.Type;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLInputFactory;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.cxf.aegis.AegisContext;
+import org.apache.cxf.aegis.AegisReader;
+import org.apache.cxf.aegis.AegisWriter;
+import org.apache.cxf.aegis.type.AegisType;
+
+public class BaeldungTest {
+    private AegisContext context;
+    private String fileName = "baeldung.xml";
+
+    @Test
+    public void whenMarshalingAndUnmarshalingCourseRepo_thenCorrect() throws Exception {
+        initializeContext();
+        CourseRepo inputRepo = initCourseRepo();
+        marshalCourseRepo(inputRepo);
+        CourseRepo outputRepo = unmarshalCourseRepo();
+        Course restCourse = outputRepo.getCourses().get(1);
+        Course securityCourse = outputRepo.getCourses().get(2);
+        assertEquals("Welcome to Beldung!", outputRepo.getGreeting());
+        assertEquals("REST with Spring", restCourse.getName());
+        assertEquals(new Date(1234567890000L), restCourse.getEnrolmentDate());
+        assertNull(restCourse.getInstructor());
+        assertEquals("Learn Spring Security", securityCourse.getName());
+        assertEquals(new Date(1456789000000L), securityCourse.getEnrolmentDate());
+        assertNull(securityCourse.getInstructor());
+    }
+
+    private void initializeContext() {
+        context = new AegisContext();
+        Set<Type> rootClasses = new HashSet<Type>();
+        rootClasses.add(CourseRepo.class);
+        context.setRootClasses(rootClasses);
+        Map<Class<?>, String> beanImplementationMap = new HashMap<>();
+        beanImplementationMap.put(CourseRepoImpl.class, "CourseRepo");
+        context.setBeanImplementationMap(beanImplementationMap);
+        context.setWriteXsiTypes(true);
+        context.initialize();
+    }
+
+    private CourseRepoImpl initCourseRepo() {
+        Course restCourse = new Course();
+        restCourse.setId(1);
+        restCourse.setName("REST with Spring");
+        restCourse.setInstructor("Eugen");
+        restCourse.setEnrolmentDate(new Date(1234567890000L));
+        Course securityCourse = new Course();
+        securityCourse.setId(2);
+        securityCourse.setName("Learn Spring Security");
+        securityCourse.setInstructor("Eugen");
+        securityCourse.setEnrolmentDate(new Date(1456789000000L));
+        CourseRepoImpl courseRepo = new CourseRepoImpl();
+        courseRepo.setGreeting("Welcome to Beldung!");
+        courseRepo.addCourse(restCourse);
+        courseRepo.addCourse(securityCourse);
+        return courseRepo;
+    }
+
+    private void marshalCourseRepo(CourseRepo courseRepo) throws Exception {
+        AegisWriter<XMLStreamWriter> writer = context.createXMLStreamWriter();
+        AegisType aegisType = context.getTypeMapping().getType(CourseRepo.class);
+        XMLStreamWriter xmlWriter = XMLOutputFactory.newInstance().createXMLStreamWriter(new FileOutputStream(fileName));
+        writer.write(courseRepo, new QName("http://aegis.cxf.baeldung.com", "baeldung"), false, xmlWriter, aegisType);
+        xmlWriter.close();
+    }
+
+    private CourseRepo unmarshalCourseRepo() throws Exception {       
+        AegisReader<XMLStreamReader> reader = context.createXMLStreamReader();
+        XMLStreamReader xmlReader = XMLInputFactory.newInstance().createXMLStreamReader(new FileInputStream(fileName));
+        CourseRepo courseRepo = (CourseRepo) reader.read(xmlReader, context.getTypeMapping().getType(CourseRepo.class));
+        xmlReader.close();
+        return courseRepo;
+    }
+}

apache-cxf/pom.xml

@@ -9,6 +9,7 @@
         <module>cxf-introduction</module>
         <module>cxf-spring</module>
         <module>cxf-jaxrs-implementation</module>
+        <module>cxf-aegis</module>
     </modules>
     <dependencies>
         <dependency>