/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.sitemap.spring;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.cocoon.pipeline.Pipeline;
public class ReflectionPipelineFactory implements PipelineFactory {
private Map<String, Class<? extends Pipeline>> types = new HashMap<String, Class<? extends Pipeline>>();
/**
* {@inheritDoc}
*
* @see org.apache.cocoon.sitemap.spring.PipelineFactory#createPipeline(java.lang.String)
*/
public Pipeline createPipeline(String type) {
Class<? extends Pipeline> pipelineClass = this.types.get(type);
if (pipelineClass == null) {
throw new IllegalArgumentException("Pipeline type '" + type + "' is not supported.");
}
try {
Pipeline pipeline = pipelineClass.newInstance();
return pipeline;
} catch (Exception e) {
throw new IllegalArgumentException("A pipeline of type '" + type + "' could not be created.", e);
}
}
/**
* @param types
*/
@SuppressWarnings("unchecked")
public void setTypes(Map<String, String> types) {
for (Entry<String, String> entry : types.entrySet()) {
try {
Class<? extends Pipeline> nodeClass = (Class<? extends Pipeline>) Class.forName(entry.getValue());
this.types.put(entry.getKey(), nodeClass);
} catch (ClassCastException ccex) {
throw new IllegalArgumentException("Could not register class " + entry.getValue() + " as type "
+ entry.getKey(), ccex);
} catch (ClassNotFoundException cnfex) {
throw new IllegalArgumentException("Could not register class " + entry.getValue() + " as type "
+ entry.getKey(), cnfex);
}
}
}
}