unify encoders; create base utils

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

@@ -41,11 +41,12 @@ import it.geosolutions.geoserver.rest.decoder.RESTNamespaceList;
 import it.geosolutions.geoserver.rest.decoder.RESTResource;
 import it.geosolutions.geoserver.rest.decoder.RESTStyleList;
 import it.geosolutions.geoserver.rest.decoder.RESTWorkspaceList;
+import it.geosolutions.geoserver.rest.encoder.coverage.GSCoverageEncoder;
+import it.geosolutions.geoserver.rest.encoder.utils.XmlElement;
 
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
@@ -338,13 +339,24 @@ public class GeoServerRESTReader {
      * @param csName The name of the CoverageStore
      * @return Coverages list as a {@link RESTCoverageList}
      */
-    public RESTCoverageList getCoverages(String workspace, String csName) {
-            // restURL + "/rest/workspaces/" + workspace + "/coveragestores/" + coverageStore + "/coverages.xml";
-        String url = "/rest/workspaces/" + workspace + "/coveragestores/" + csName + "/coverages.xml";
+    public XmlElement getCoverages(String workspace, String csName) {
+        // restURL + "/rest/workspaces/" + workspace + "/coveragestores/" + coverageStore + "/coverages.xml";
+        String url = "/rest/workspaces/" + workspace + "/coveragestores/" + csName
+                + "/coverages.xml";
         if (LOGGER.isDebugEnabled()) {
             LOGGER.debug("### Retrieving Covs from " + url);
         }
-        return RESTCoverageList.build(load(url));
+        String response = load(url);
+        try {
+            return new XmlElement(
+                    it.geosolutions.geoserver.rest.encoder.utils.ElementUtils
+                            .parseDocument(response));
+        } catch (Exception e) {
+            if (LOGGER.isErrorEnabled()) {
+                LOGGER.error("Error parsing reponse from " + url + " Response: " + response);
+            }
+        }
+        return null;
     }
     
     /**
@@ -355,12 +367,23 @@ public class GeoServerRESTReader {
      * @param name The name of the Coverage
      * @return Coverage details as a {@link RESTCoverage}
      */
-    public RESTCoverage getCoverage(String workspace, String store, String name) {
+    public GSCoverageEncoder getCoverage(String workspace, String store, String name) {
         String url = "/rest/workspaces/" + workspace + "/coveragestores/" + store + "/coverages/"+name+".xml";
         if (LOGGER.isDebugEnabled()) {
             LOGGER.debug("### Retrieving Coverage from " + url);
         }
-        return RESTCoverage.build(load(url));
+        String response = load(url);
+        try {
+            GSCoverageEncoder ce=new GSCoverageEncoder();
+            ce.build(it.geosolutions.geoserver.rest.encoder.utils.ElementUtils
+                            .parseDocument(response));
+            return ce;
+        } catch (Exception e) {
+            if (LOGGER.isErrorEnabled()) {
+                LOGGER.error("Error parsing reponse from " + url + " Response: " + response);
+            }
+        }
+        return null;
     }
 
     /**

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

@@ -25,12 +25,18 @@
 
 package it.geosolutions.geoserver.rest.encoder.utils;
 
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
+import org.jdom.Document;
 import org.jdom.Element;
+import org.jdom.JDOMException;
 import org.jdom.filter.Filter;
+import org.jdom.input.SAXBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -44,6 +50,21 @@ public abstract class ElementUtils {
 	 * Default logger
 	 */
 	private final static Logger LOGGER = LoggerFactory.getLogger(ElementUtils.class);
+        private final static SAXBuilder builder = new SAXBuilder();
+	
+    public static Document parseDocument(final String xml) throws JDOMException, IOException, IllegalArgumentException {
+        if (xml==null){
+            throw new IllegalArgumentException("Unable to parse a null xml string");
+        }
+        return (Document) builder.build(new StringReader(xml));
+    }
+    
+    public static Document parseDocument(final Reader xmlReader) throws JDOMException, IOException, IllegalArgumentException {
+        if (xmlReader==null){
+            throw new IllegalArgumentException("Unable to parse a null xml string");
+        }
+        return (Document) builder.build(xmlReader);
+    }
 
 	/**
 	 * 

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

@@ -27,6 +27,7 @@ package it.geosolutions.geoserver.rest.encoder.utils;
 
 
 import org.jdom.Content;
+import org.jdom.Document;
 import org.jdom.Element;
 import org.jdom.Text;
 import org.jdom.output.Format;
@@ -39,7 +40,7 @@ import org.jdom.output.XMLOutputter;
  */
 public class XmlElement{
 	
-	private final Element root;
+    private Element root;
 	
 	private static final long serialVersionUID = 1L;
 	
@@ -56,6 +57,18 @@ public class XmlElement{
 	@SuppressWarnings("unused")
 	private XmlElement(){root=null;};
 	
+    public XmlElement(final Element root) {
+        this.root = root;
+    }
+
+    public XmlElement(final Document doc) {
+        root = doc.getRootElement();
+    }
+    
+    public void build(final Document doc) {
+        root = doc.getRootElement();
+    }
+	
 	protected void add(final String nodename, final String nodetext) {
     	add(nodename,new Text(nodetext));
     }