Forgot to add ListBase.java last commit. Doing it now.

git-svn-id: https://oai4j-client.svn.sourceforge.net/svnroot/oai4j-client/trunk@7 201c9376-5148-0410-b534-98494c770f31

src/main/java/se/kb/oai/pmh/ListBase.java

@@ -0,0 +1,47 @@
+package se.kb.oai.pmh;
+
+import java.util.List;
+
+import org.dom4j.Document;
+
+public class ListBase<T> extends ResponseBase {
+
+    protected List<T> list;
+    
+    public ListBase(Document document) throws ErrorResponseException {
+        super(document);
+    }
+        
+    /**
+     * Get the size of the list.
+     * 
+     * @return the size
+     */
+    public int size() {
+        return list.size();
+    }
+    
+    /**
+     * Get a the content of the response as a list of type <code>T</code>.
+     * 
+     * @return a list with objects of type <code>T</code> 
+     */
+    public List<T> asList() {
+        return list;
+    }
+    
+    /**
+     * Get the <code>ResumptionToken</code>, if any, for this response.
+     * 
+     * @return the <code>ResumptionToken</code>, or <code>null</code>
+     * if none available
+     */
+    public ResumptionToken getResumptionToken() {
+        if (super.resumptionToken == null 
+                || super.resumptionToken.getId() == null  
+                || super.resumptionToken.getId().length() == 0)
+            return null;
+        
+        return super.resumptionToken;
+    }    
+}