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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.wsdl.internal.generator.extension;
import java.net.URL;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.wst.wsdl.WSDLPlugin;
import org.osgi.framework.Bundle;
public class ContentGeneratorExtensionRegistryReader {
protected static final String PLUGIN_ID = WSDLPlugin.getPlugin().getSymbolicName();
protected static final String EXTENSION_POINT_ID = "contentGenerators";
protected static final String ELEMENT_NAME = "contentGenerator";
protected static final String ATT_NAMESPACE = "namespace";
protected static final String ATT_NAME = "name";
protected static final String ATT_CLASS = "class";
protected ContentGeneratorExtensionFactoryRegistry contentGeneratorExtensionFactoryRegistry;
public ContentGeneratorExtensionRegistryReader(ContentGeneratorExtensionFactoryRegistry generatorExtensionFactoryRegistry) {
this.contentGeneratorExtensionFactoryRegistry = generatorExtensionFactoryRegistry;
}
/**
* read from plugin registry and parse it.
*/
public void readRegistry() {
IExtensionRegistry pluginRegistry = Platform.getExtensionRegistry();
IExtensionPoint point = pluginRegistry.getExtensionPoint(PLUGIN_ID, EXTENSION_POINT_ID);
if (point != null) {
IConfigurationElement[] elements = point.getConfigurationElements();
for (int i = 0; i < elements.length; i++) {
readElement(elements[i]);
}
}
}
public String resolve(URL platformURL, String relativePath) throws Exception {
URL resolvedURL = FileLocator.resolve(platformURL);
return resolvedURL.toString() + relativePath;
}
protected void readElement(IConfigurationElement element) {
if (element.getName().equals(ELEMENT_NAME)) {
try {
IConfigurationElement childElement = (IConfigurationElement) element;
String name = childElement.getAttribute(ATT_NAME);
String namespace = childElement.getAttribute(ATT_NAMESPACE);
if (namespace != null) {
Bundle pluginBundle = Platform.getBundle(element.getDeclaringExtension().getContributor().getName());
String className = childElement.getAttribute(ATT_CLASS);
ContentGeneratorExtensionDescriptor descriptor = new ContentGeneratorExtensionDescriptor(pluginBundle, className, namespace, name);
contentGeneratorExtensionFactoryRegistry.put(namespace, name, descriptor);
}
}
catch (Exception e) {
e.printStackTrace();
}
}
}
}
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