Fix for LDAP-74: Change the append method in DistinguishedName.

spring-ldap/src/main/java/org/springframework/ldap/core/DistinguishedName.java

@@ -347,9 +347,25 @@ public class DistinguishedName implements Name {
      * 
      * @param path
      *            the path to append.
+     * @return this instance.
      */
-    public void append(DistinguishedName path) {
+    public DistinguishedName append(DistinguishedName path) {
         getNames().addAll(path.getNames());
+        return this;
+    }
+    
+    /**
+     * Append a new LdapRdn using the supplied key and value.
+     * 
+     * @param key
+     *            the key of the LdapRdn.
+     * @param value
+     *            the value of the LdapRdn.
+     * @return this instance.
+     */
+    public DistinguishedName append(String key, String value){
+        add(key, value);
+        return this;
     }
 
     /**

spring-ldap/src/test/java/org/springframework/ldap/core/DistinguishedNameTest.java

@@ -519,4 +519,11 @@ public class DistinguishedNameTest extends TestCase {
             assertTrue(true);
         }
     }
-}
+
+    public void testAppendChained() {
+        DistinguishedName tested = new DistinguishedName("dc=mycompany,dc=com");
+        tested.append("ou", "company1").append("cn", "john doe");
+        
+        assertEquals("cn=john doe, ou=company1, dc=mycompany, dc=com", tested.toString());
+    }
+}