Fix serialization of GSWorkspaceEncoder and introducing test Class. Fix defect #12

src/main/java/it/geosolutions/geoserver/rest/GeoServerRESTPublisher.java

@@ -86,11 +86,11 @@ public class GeoServerRESTPublisher {
      *      http://$GSIP:$GSPORT/$SERVLET/rest/workspaces
      * }</PRE>
      */
-    public boolean createWorkspace(String workspace) {
-        String sUrl = restURL + "/rest/workspaces";
-        GSWorkspaceEncoder wsenc = new GSWorkspaceEncoder(workspace);
-        String wsxml = wsenc.toString();
-        String result = HTTPUtils.postXml(sUrl, wsxml, gsuser, gspass);
+    public boolean createWorkspace(final String workspace) {
+    	final String sUrl = restURL + "/rest/workspaces";
+        final GSWorkspaceEncoder wsenc = new GSWorkspaceEncoder(workspace);
+        final String wsxml = wsenc.toString();
+        final String result = HTTPUtils.postXml(sUrl, wsxml, gsuser, gspass);
         return result != null;
     }
 

src/main/java/it/geosolutions/geoserver/rest/encoder/GSPostGISDatastoreEncoder.java

@@ -37,7 +37,7 @@ import it.geosolutions.geoserver.rest.encoder.utils.PropertyXMLEncoder;
  */
 public class GSPostGISDatastoreEncoder extends PropertyXMLEncoder {
 
-    private NestedElementEncoder<String> connectionParameters = new NestedElementEncoder<String>("connectionParameters");
+    private NestedElementEncoder connectionParameters = new NestedElementEncoder("connectionParameters");
 
 
     public GSPostGISDatastoreEncoder() {

src/main/java/it/geosolutions/geoserver/rest/encoder/GSResourceEncoder.java

@@ -57,14 +57,14 @@ public abstract class GSResourceEncoder<T extends GSDimensionInfoEncoder> extend
 		add("enabled", "true");
 
         // Link members to the parent
-		addContent(metadata);
+		addContent(metadata.getRoot());
 		addContent(keywordsListEncoder);
 	}
 	
 	final private GSMetadataEncoder<T> metadata=new GSMetadataEncoder<T>();
 	
 	public void addMetadata(String key, T dimensionInfo) {
-		metadata.add(key, dimensionInfo);
+		metadata.add(key, dimensionInfo.getRoot());
 	}
 
 	final private Element keywordsListEncoder = new Element("keywords");

src/main/java/it/geosolutions/geoserver/rest/encoder/GSWorkspaceEncoder.java

@@ -41,20 +41,41 @@ public class GSWorkspaceEncoder extends PropertyXMLEncoder {
     }
 
     public GSWorkspaceEncoder(String name) {
-        this();
+    	super("workspace");
         addName(name);
     }
     
+    /**
+     * Add the name to this workspace
+     * @param name
+     * @throws IllegalStateException if name is already set
+     */
     public void addName(String name) {
-        add("name", name);
+    	final Element el=contains("name");
+    	if (el==null)
+    		add("name", name);
+    	else
+    		throw new IllegalStateException("Workspace name is already set: "+el.getText());
+    }
+    
+    /**
+     * add or change (if already set) the workspace name
+     * @param name
+     */
+    public void setName(String name) {
+    	final Element el=contains("name");
+    	if (el==null)
+    		add("name", name);
+    	else
+    		el.setText(name);
     }
     
     public String getName(){
     	final Element el=contains("name");
     	if (el!=null)
-    		return el.getName();
+    		return el.getTextTrim();
     	else
-    		return "";
+    		return null;
     }
 
 }

src/main/java/it/geosolutions/geoserver/rest/encoder/coverage/GSImageMosaicEncoder.java

@@ -35,11 +35,11 @@ import org.jdom.Element;
  */
 public class GSImageMosaicEncoder extends GSCoverageEncoder {
 
-	final private NestedElementEncoder<Element> parameters=new NestedElementEncoder<Element>("parameters");
+	final private NestedElementEncoder parameters=new NestedElementEncoder("parameters");
 	
 	public GSImageMosaicEncoder() {
         // Link members to the parent
-		addContent(parameters);
+		addContent(parameters.getRoot());
 	}
 
 	/**

src/main/java/it/geosolutions/geoserver/rest/encoder/metadata/GSMetadataEncoder.java

@@ -27,14 +27,14 @@ package it.geosolutions.geoserver.rest.encoder.metadata;
 
 import it.geosolutions.geoserver.rest.encoder.utils.NestedElementEncoder;
 
-public class GSMetadataEncoder <T extends GSDimensionInfoEncoder> extends NestedElementEncoder<T>{
+public class GSMetadataEncoder <T extends GSDimensionInfoEncoder> extends NestedElementEncoder{
 
 	public GSMetadataEncoder() {
 		super("metadata");
 	}
 	 
 	public void addMetadata(final String key, final T value) {
-		this.add(key, value);
+		this.add(key, value.getRoot());
 	}
 
 }

src/main/java/it/geosolutions/geoserver/rest/encoder/utils/NestedElementEncoder.java

@@ -67,26 +67,30 @@ import org.jdom.Element;
  * @author Carlo Cancellieri - carlo.cancellieri@geo-solutions.it
  * 
  */
-public class NestedElementEncoder<T> extends XmlElement {
+public class NestedElementEncoder extends XmlElement {
 
 	public NestedElementEncoder(String listName) {
 		super(listName);
 	}
 
-	public void add(String key, T value) {
+	public void add(String key, String value) {
+		final Element entryElem = new Element("entry");
+
+		if (key != null)
+			entryElem.setAttribute("key", key);
+
+		entryElem.setText(value);
+		
+		this.addContent(entryElem);
+	}
+	
+	public void add(String key, Element value) {
 		final Element entryElem = new Element("entry");
 		if (key != null)
 			entryElem.setAttribute("key", key);
 
-		if (value instanceof String)
-			entryElem.setText((String) value);
-		else if (value instanceof Element)
-			entryElem.addContent((Element) value);
-		else
-			throw new IllegalArgumentException(
-					"Unable to add entry: unrecognized object");
+		entryElem.addContent(value);
 
 		this.addContent(entryElem);
 	}
-
 }

src/main/java/it/geosolutions/geoserver/rest/encoder/utils/PropertyXMLEncoder.java

@@ -59,7 +59,7 @@ public class PropertyXMLEncoder extends XmlElement {
 
 	protected void add(String key, String value) {
 		if (key != null && value != null) {
-			add(this, key, value);
+			add(this.getRoot(), key, value);
 		}
 	}
 

src/main/java/it/geosolutions/geoserver/rest/encoder/utils/XmlElement.java

@@ -26,6 +26,7 @@
 package it.geosolutions.geoserver.rest.encoder.utils;
 
 
+import org.jdom.Content;
 import org.jdom.Element;
 import org.jdom.output.Format;
 import org.jdom.output.XMLOutputter;
@@ -35,7 +36,10 @@ import org.jdom.output.XMLOutputter;
  * @author Carlo Cancellieri - carlo.cancellieri@geo-solutions.it
  *
  */
-public abstract class XmlElement extends Element {
+public class XmlElement{
+	
+	private final Element root;
+	
 	/**
 	 * 
 	 */
@@ -44,29 +48,38 @@ public abstract class XmlElement extends Element {
 	private final static XMLOutputter OUTPUTTER = new XMLOutputter(Format.getCompactFormat());
 	
 	public XmlElement(final String name){
-		super(name);
+		root=new Element(name);
 	}
 	
-	private XmlElement(){};
+	public Element getRoot(){
+		return root;
+	}
+	
+	private XmlElement(){root=null;};
+	
+
+	public Element addContent(Content child){
+		return root.addContent(child);
+	}
 	
 	public boolean isEmpty() {
-        return getChildren().isEmpty();
+        return root.getChildren().isEmpty();
     }
 	
 	public boolean remove(final Element el){
-		return ElementUtils.remove(this,el);
+		return ElementUtils.remove(root,el);
 	}
 	
 	public Element contains(final Element el){
-		return ElementUtils.contains(this,el);
+		return ElementUtils.contains(root,el);
 	}
 	
 	public Element contains(final String key, final String val){
-		return ElementUtils.contains(this,key,val);
+		return ElementUtils.contains(root,key,val);
 	}
 	
 	public Element contains(final String key){
-		return ElementUtils.contains(this,key);
+		return ElementUtils.contains(root,key);
 	}
 	
 	/**
@@ -74,6 +87,6 @@ public abstract class XmlElement extends Element {
      */
     @Override
     public String toString() {
-		return OUTPUTTER.outputString(this);
+		return OUTPUTTER.outputString(root);
     }
 }

src/test/java/it/geosolutions/geoserver/rest/encoder/GSWorkspaceEncoderTest.java

@@ -0,0 +1,59 @@
+/*
+ *  Copyright (C) 2007 - 2011 GeoSolutions S.A.S.
+ *  http://www.geo-solutions.it
+ * 
+ *  GPLv3 + Classpath exception
+ * 
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package it.geosolutions.geoserver.rest.encoder;
+
+import junit.framework.TestCase;
+
+import org.apache.log4j.Logger;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ *
+ * @author Carlo Cancellieri - carlo.cancellieri@geo-solutions.it
+ */
+public class GSWorkspaceEncoderTest extends TestCase {
+
+    public GSWorkspaceEncoderTest() {
+    }
+
+    /**
+     * Default logger
+     */
+    protected final static Logger LOGGER = Logger.getLogger(GSWorkspaceEncoderTest.class);
+    
+    @Test
+    public void testAll() {
+    	final GSWorkspaceEncoder wsenc = new GSWorkspaceEncoder("WS1");
+    	LOGGER.info(wsenc.toString());
+    	
+    	try{
+    		wsenc.addName("test_name");
+    		// NEVER HERE
+    		Assert.assertTrue(false);
+    	}catch (IllegalStateException e){
+    		Assert.assertTrue(true);
+    	}
+    	wsenc.setName("new_name");
+    	LOGGER.info(wsenc.toString());
+    	
+    	   	
+    }
+}

src/test/java/it/geosolutions/geoserver/rest/encoder/utils/EntryKeyListEncoderTest.java

@@ -42,7 +42,7 @@ public class EntryKeyListEncoderTest extends TestCase {
         ekle.add("k3", "v3");
 
         Element root = new Element("root");
-        root.addContent(ekle);
+        root.addContent(ekle.getRoot());
 
         assertEquals(1, root.getChildren().size());
         assertNotNull(root.getChild("EKL"));