0.10/webapp/components/src/main/java/org/apache/oodt/cas/webcomponents/filemgr/browser/metadata/MetadataBrowser.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.oodt.cas.webcomponents.filemgr.browser.metadata;

//JDK imports
import java.io.Serializable;
import java.util.Collections;
import java.util.List;

//OODT imports
import org.apache.oodt.cas.metadata.SerializableMetadata;
import org.apache.oodt.cas.webcomponents.filemgr.FileManagerConn;

//Wicket imports
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.util.ListModel;

/**
 * 
 * {@link Metadata}-view popup.
 * 
 * @author mattmann
 * @version $Revision$
 * 
 */
public class MetadataBrowser extends Panel {

  private static final long serialVersionUID = 5276544059589968409L;

  private FileManagerConn fm;

  public MetadataBrowser(String componentId, String fmUrlStr, String productId) {
    super(componentId);
    this.fm = new FileManagerConn(fmUrlStr);
    final SerializableMetadata met = new SerializableMetadata(this.fm
        .getMetadata(this.fm.safeGetProductById(productId)));
    setDefaultModel(new Model(met));

    if (met != null) {
      add(new Label("no_prod_met_display") {
        /*
         * (non-Javadoc)
         * 
         * @see org.apache.wicket.Component#isVisible()
         */
        @Override
        public boolean isVisible() {
          return false;
        }
      });

      List<String> metKeys = met.getAllKeys();
      Collections.sort(metKeys);

      add(new ListView<String>("met_elem", new ListModel<String>(metKeys)) {
        /*
         * (non-Javadoc)
         * 
         * @see
         * org.apache.wicket.markup.html.list.ListView#populateItem(org.apache
         * .wicket.markup.html.list.ListItem)
         */
        @Override
        protected void populateItem(ListItem<String> item) {
          item.add(new Label("met_elem_name", item.getModelObject()));

          item
              .add(new ListView<String>("met_values_list",
                  new ListModel<String>(met.getAllMetadata(item
                      .getModelObject()))) {
                /*
                 * (non-Javadoc)
                 * 
                 * @see
                 * org.apache.wicket.markup.html.list.ListView#populateItem(
                 * org.apache.wicket.markup.html.list.ListItem)
                 */
                @Override
                protected void populateItem(ListItem<String> item) {
                  item.add(new Label("met_value", item.getModelObject()));
                }
              });

        }
      });
    } else {
      add(new Label("no_prod_met_display", "No Product Metadata!"));
    }

  }

}