/*****************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved. *
* ------------------------------------------------------------------------- *
* This software is published under the terms of the Apache Software License *
* version 1.1, a copy of which has been included with this distribution in *
* the LICENSE file. *
*****************************************************************************/
package org.apache.cocoon.treeprocessor.sitemap;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.avalon.framework.thread.ThreadSafe;
import org.apache.cocoon.treeprocessor.AbstractParentProcessingNodeBuilder;
import org.apache.cocoon.treeprocessor.ProcessingNode;
import org.apache.cocoon.treeprocessor.ProcessingNodeBuilder;
import java.util.*;
/**
* Builds all nodes below the top-level <sitemap> element, and returns the
* <pipelines> node. There is no node for >sitemap< since no processing
* occurs at this level.
*
* @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
* @version CVS $Revision: 1.2 $ $Date: 2002/01/15 11:10:54 $
*/
public class SitemapNodeBuilder extends AbstractParentProcessingNodeBuilder implements ThreadSafe {
public ProcessingNode buildNode(Configuration config) throws Exception {
ProcessingNode[] children = this.buildChildNodes(config);
ProcessingNode pipelines = null;
for (int i = 0; i < children.length; i++) {
if (children[i] instanceof PipelinesNode) {
if (pipelines != null) {
String msg = "Only one 'pipelines' is allowed, at " + config.getLocation();
getLogger().error(msg);
throw new ConfigurationException(msg);
}
pipelines = children[i];
}
}
if (pipelines == null) {
String msg = "Invalid sitemap : there must be a 'pipelines' at " + config.getLocation();
getLogger().error(msg);
throw new ConfigurationException(msg);
}
return pipelines;
}
}