01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.components.treeprocessor.sitemap;
18:
19: import org.apache.avalon.framework.configuration.Configuration;
20: import org.apache.avalon.framework.configuration.ConfigurationException;
21: import org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNodeBuilder;
22: import org.apache.cocoon.components.treeprocessor.ProcessingNode;
23:
24: /**
25: * Builder of a {@link FlowNode} instance, corresponding to a
26: * <code><map:flow></code> element in the sitemap.
27: *
28: * @author <a href="mailto:ovidiu@apache.org">Ovidiu Predescu</a>
29: * @since September 13, 2002
30: * @version CVS $Id: FlowNodeBuilder.java 433543 2006-08-22 06:22:54Z crossley $
31: */
32: public class FlowNodeBuilder extends
33: AbstractParentProcessingNodeBuilder {
34:
35: public ProcessingNode buildNode(Configuration config)
36: throws Exception {
37: String language = config.getAttribute("language", "javascript");
38: FlowNode node = new FlowNode(language);
39:
40: if (!this .treeBuilder.registerNode("flow", node)) {
41: throw new ConfigurationException(
42: "Only one <map:flow> is allowed in a sitemap. Another one is declared at "
43: + config.getLocation());
44: }
45: this.treeBuilder.setupNode(node, config);
46:
47: buildChildNodesList(config);
48:
49: return node;
50: }
51: }
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