Merging BAEL-968: Apache Commons BeanUtils (#2149)

libraries/src/main/java/com/baeldung/commons/beanutils/Course.java

@@ -0,0 +1,35 @@
+package com.baeldung.commons.beanutils;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class Course {
+    private String name;
+    private List<String> codes;
+    private Map<String, Student> enrolledStudent = new HashMap<String, Student>();
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public List<String> getCodes() {
+        return codes;
+    }
+
+    public void setCodes(List<String> codes) {
+        this.codes = codes;
+    }
+
+    public void setEnrolledStudent(String enrolledId, Student student) {
+        enrolledStudent.put(enrolledId, student);
+    }
+
+    public Student getEnrolledStudent(String enrolledId) {
+        return enrolledStudent.get(enrolledId);
+    }
+}

libraries/src/main/java/com/baeldung/commons/beanutils/CourseService.java

@@ -0,0 +1,34 @@
+package com.baeldung.commons.beanutils;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.List;
+
+import org.apache.commons.beanutils.PropertyUtils;
+
+public class CourseService {
+
+    public static void setValues(Course course, String name, List<String> codes) 
+            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
+        // Setting the simple properties
+        PropertyUtils.setSimpleProperty(course, "name", name);
+        PropertyUtils.setSimpleProperty(course, "codes", codes);
+    }
+    
+    public static void setIndexedValue(Course course, int codeIndex, String code)
+            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
+        // Setting the indexed properties
+        PropertyUtils.setIndexedProperty(course, "codes[" + codeIndex + "]", code);
+    }
+
+    public static void setMappedValue(Course course, String enrollId, Student student)
+            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
+        // Setting the mapped properties
+        PropertyUtils.setMappedProperty(course, "enrolledStudent(" + enrollId + ")", student);
+    }
+    
+    public static String getNestedValue(Course course, String enrollId, String nestedPropertyName)
+            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
+        return (String) PropertyUtils.getNestedProperty(
+                 course, "enrolledStudent(" + enrollId + ")." + nestedPropertyName);
+    }
+}

libraries/src/main/java/com/baeldung/commons/beanutils/Student.java

@@ -0,0 +1,13 @@
+package com.baeldung.commons.beanutils;
+
+public class Student {
+    private String name;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}