/*
* Copyright 1999-2004 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.components.treeprocessor.sitemap;
import java.util.ArrayList;
import java.util.List;
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.components.treeprocessor.ContainerNodeBuilder;
import org.apache.cocoon.components.treeprocessor.ProcessingNode;
import org.apache.cocoon.components.treeprocessor.ProcessingNodeBuilder;
/**
* Builds a <map:pipelines>
*
* @author <a href="mailto:juergen.seitz@basf-it-services.com">Jürgen Seitz</a>
* @author <a href="mailto:bluetkemeier@s-und-n.de">Björn Lütkemeier</a>
* @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
* @version CVS $Id: PipelinesNodeBuilder.java,v 1.5 2004/03/05 13:02:52 bdelacretaz Exp $
*/
public class PipelinesNodeBuilder extends ContainerNodeBuilder implements ThreadSafe {
public ProcessingNode buildNode(Configuration config)
throws Exception {
// check for component configurations
Configuration child = config.getChild("component-configurations", false);
if (child != null) {
this.checkNamespace(child);
this.treeBuilder.getProcessor().setComponentConfigurations(child);
}
PipelinesNode node = new PipelinesNode();
this.treeBuilder.setupNode(node, config);
Configuration[] childConfigs = config.getChildren();
List children = new ArrayList();
HandleErrorsNode handler = null;
for (int i = 0; i < childConfigs.length; i++) {
Configuration childConfig = childConfigs[i];
if (isChild(childConfig)) {
ProcessingNodeBuilder builder = this.treeBuilder.createNodeBuilder(childConfig);
if (builder instanceof HandleErrorsNodeBuilder) {
handler = (HandleErrorsNode)builder.buildNode(childConfig);
} else {
// Regular builder
children.add(builder.buildNode(childConfig));
}
}
}
if (children.size() == 0) {
String msg = "There must be at least one pipeline at " + config.getLocation();
throw new ConfigurationException(msg);
}
node.setChildren(toNodeArray(children));
node.setErrorHandler(handler);
return node;
}
}