CRemoteTransformer.java :  » Content-Management-System » contelligent » de » finix » contelligent » components » Java Open Source

/*
 * Copyright 2001-2006 C:1 Financial Services GmbH
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License Version 2.1, as published by the Free Software Foundation.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
 */

package de.finix.contelligent.components;

import java.util.LinkedList;
import java.util.List;

import de.finix.contelligent.ComponentPath;
import de.finix.contelligent.ExternalRelationSource;
import de.finix.contelligent.ModificationVetoException;
import de.finix.contelligent.logging.LoggingService;
import de.finix.contelligent.render.Renderable;
import de.finix.contelligent.render.Renderer;
import de.finix.contelligent.render.TransformerRenderer;

public class CRemoteTransformer extends Folder implements Renderable, ExternalRelationSource {
    final static org.apache.log4j.Logger log = LoggingService.getLogger(CRemoteTransformer.class);

    private Renderer renderer;

    private ComponentPath xmlPath;

    public ComponentPath getXmlPath() {
        return xmlPath;
    }

    public void setXmlPath(ComponentPath xmlPath) {
        this.xmlPath = xmlPath;
    }

    public void postCreate() throws Exception {
        try {
            renderer = new TransformerRenderer(this, xmlPath, true);
        } catch (Exception e) {
            log.error("postCreate of RemoteTransformer: " + getComponentContext().getPath().toPath());
            throw e;
        }
    }

    public boolean isDynamic() {
        return false;
    }

    public Renderer getRenderer() {
        return renderer;
    }

    /*
     * (non-Javadoc)
     * 
     * @see de.finix.contelligent.ExternalRelationSource#relatedPaths()
     */
    public List relatedPaths() {
        LinkedList list = new LinkedList();
        if (xmlPath != null) {
            list.addLast(xmlPath);
        }
        return list;
    }

    /*
     * (non-Javadoc)
     * 
     * @see de.finix.contelligent.ExternalRelationSource#relatedPaths(java.util.List)
     */
    public void relatedPaths(List newTargetPaths) throws ModificationVetoException {
        if (newTargetPaths != null) {
            if (newTargetPaths.size() == 0 && xmlPath != null) {
                throw new ModificationVetoException("illegal state (a)");
            } else if (newTargetPaths.size() == 1) {
                ComponentPath path = (ComponentPath) newTargetPaths.get(0);
                xmlPath = path;
            } else {
                throw new ModificationVetoException("illegal state (b)");
            }
        } else {
            throw new ModificationVetoException("illegal state(c)");
        }
    }
}