ASF_20_SRC_AUTO/src/blocks/portal/java/org/apache/cocoon/portal/event/aspect/impl/LinkEventAspect.java

/*
 * Copyright 1999-2002,2004 The Apache Software Foundation.
 * 
 * Licensed 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.cocoon.portal.event.aspect.impl;

import org.apache.cocoon.portal.event.Event;
import org.apache.cocoon.portal.event.Publisher;
import org.apache.cocoon.portal.event.impl.ChangeAspectDataEvent;
import org.apache.cocoon.portal.layout.Layout;
import org.apache.cocoon.portal.layout.impl.LinkLayout;

/**
 *
 * @author <a href="mailto:juergen.seitz@basf-it-services.com">J&uuml;rgen Seitz</a>
 * 
 * @version CVS $Id: LinkEventAspect.java,v 1.3 2004/03/05 13:02:12 bdelacretaz Exp $
 */
public class LinkEventAspect extends AbstractContentEventAspect {

    protected String getRequestParameterName() {
        // TODO - make this configurable
        return "link";
    }

    protected int getRequiredValueCount() {
        return 4;
    }

    /* (non-Javadoc)
     * @see org.apache.cocoon.portal.event.aspect.impl.AbstractContentEventAspect#publish(org.apache.cocoon.portal.event.Publisher, org.apache.cocoon.portal.layout.Layout, java.lang.String[])
     */
    protected void publish(Publisher publisher,
                             Layout layout,
                              String[] values) {
        if (layout instanceof LinkLayout) {
            LinkLayout linkLayout = (LinkLayout) layout;
            Event e = new ChangeAspectDataEvent(linkLayout,
                                                "link-layout-key",
                                                values[2]);
            publisher.publish(e);
            e = new ChangeAspectDataEvent(linkLayout,
                                          "link-layout-id",
                                          values[3]);
            publisher.publish(e);
        } else {
            this.getLogger().warn(
                "the configured layout: "
                    + layout.getName()
                    + " is not a LinkLayout.");
        }
    }

}