--- a/artifact-database/src/main/java/de/intevation/artifactdatabase/state/AbstractState.java	Mon Mar 21 14:05:45 2011 +0000
+++ b/artifact-database/src/main/java/de/intevation/artifactdatabase/state/AbstractState.java	Tue Mar 22 16:06:35 2011 +0000
@@ -7,7 +7,9 @@
  */
 package de.intevation.artifactdatabase.state;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import javax.xml.xpath.XPathConstants;
@@ -15,7 +17,9 @@
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
 
+import de.intevation.artifacts.ArtifactNamespaceContext;
 import de.intevation.artifacts.CallContext;
 
 import de.intevation.artifacts.common.utils.XMLUtils;
@@ -39,6 +43,9 @@
      * the configuration. */
     public static final String XPATH_DESCRIPTION = "@description";
 
+    /** The XPath to the output nodes of the state configuration.*/
+    public static final String XPATH_OUTPUT_MODES = "outputmodes/outputmode";
+
 
     /** The ID of the state. */
     protected String id;
@@ -49,8 +56,12 @@
     /** The data provided by this state. */
     protected Map<String, StateData> data;
 
+    /** A list of output modes which are available for this state.*/
+    protected List<Output> outputs;
+
 
     public AbstractState() {
+        outputs = new ArrayList<Output>();
     }
 
 
@@ -61,8 +72,11 @@
      * @param description The description of the state.
      */
     public AbstractState(String id, String description) {
+        super();
+
         this.id          = id;
         this.description = description;
+
     }
 
 
@@ -133,6 +147,17 @@
 
 
     /**
+     * Returns the list of possible outputs of this state. The list is empty
+     * if no output is available for this state.
+     *
+     * @return a list of possible outputs of this state.
+     */
+    public List<Output> getOutputs() {
+        return outputs;
+    }
+
+
+    /**
      * Initialize the state based on the state node in the configuration.
      *
      * @param config The state configuration node.
@@ -142,6 +167,55 @@
 
         description = (String) XMLUtils.xpath(
             config, XPATH_DESCRIPTION, XPathConstants.STRING);
+
+        setupOutputs(config);
+    }
+
+
+    /**
+     * This method tries reading the available output nodes configured in the
+     * state configuration and adds possible Outputs to the outputs list.
+     *
+     * @param config The state configuration node.
+     */
+    protected void setupOutputs(Node config) {
+        NodeList outs = (NodeList) XMLUtils.xpath(
+            config,
+            XPATH_OUTPUT_MODES,
+            XPathConstants.NODESET,
+            ArtifactNamespaceContext.INSTANCE);
+
+        if (outs == null || outs.getLength() == 0) {
+            return;
+        }
+
+        int size = outs.getLength();
+
+        for (int i = 0; i < size; i++) {
+            outputs.add(buildOutput(outs.item(i)));
+        }
+    }
+
+
+    /**
+     * A helper method that creates an Output object based on the <i>out</i>
+     * node.
+     *
+     * @param out The output node configuration.
+     *
+     * @return an Output object.
+     */
+    protected Output buildOutput(Node out) {
+        String name = XMLUtils.xpathString(
+            out, "@name", ArtifactNamespaceContext.INSTANCE);
+
+        String desc = XMLUtils.xpathString(
+            out, "@description", ArtifactNamespaceContext.INSTANCE);
+
+        String mimetype = XMLUtils.xpathString(
+            out, "@mime-type", ArtifactNamespaceContext.INSTANCE);
+
+        return name != null ? new DefaultOutput(name, desc, mimetype) : null;
     }