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/*
* 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.tuscany.sca.tools.inspector;
import java.lang.reflect.Field;
import java.util.Map;
import java.util.Set;
import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.node.SCANode2;
import org.apache.tuscany.sca.node.impl.NodeImpl;
/**
* An implementation of the ExtensionPointRegistryInspector service.
*/
public class RegistryInspector {
public String registryAsString(SCANode2 node) {
StringBuffer extensionPointRegistryString = new StringBuffer("Extension Point Registry \n");
// Get the interesting extension points out of the registry and print them out
try {
// get the extension point registry we are hanging onto
// We have to assume the type of the extension point registry here!
DefaultExtensionPointRegistry extensionPointRegistry = (DefaultExtensionPointRegistry)((NodeImpl)node).getExtensionPointRegistry();
// get the Map of extension points
// This is a private (!) field so a bit of sneaky reflection is required
Field extensionPointsField = extensionPointRegistry.getClass().getDeclaredField("extensionPoints");
extensionPointsField.setAccessible(true);
Map<Class<?>, Object> extensionPoints = (Map<Class<?>, Object>) extensionPointsField.get(extensionPointRegistry);
// Record all the registered extension points
Set<Class<?>> keySet = extensionPoints.keySet();
for(Class<?>key : keySet){
extensionPointRegistryString.append(key.getName());
extensionPointRegistryString.append("\n");
}
} catch (Exception ex) {
System.out.println(ex.toString());
}
return extensionPointRegistryString.toString();
}
}
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