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/*******************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse 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.common.internal.emf.plugin;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
import org.eclipse.wst.common.internal.emf.resource.CompatibilityPackageMappingRegistry;
/**
* This reader will read the packageURIMap extension point and populate the
* CompatibilityPackageMappingRegistry.
*
* The packageURIMap will have the following configuration element.
*
* <map prefix="somePackagePrefix" uri="somePackageURI"/>
*
*/
public class PackageURIMapReader {
private static final String URI_ATT_NAME = "uri"; //$NON-NLS-1$
private static final String PREFIX_ATT_NAME = "prefix"; //$NON-NLS-1$
private static final String EXTENSION_POINT_NAME = "packageURIMap"; //$NON-NLS-1$
/**
*
*/
public PackageURIMapReader() {
super();
}
private IExtensionPoint getExtensionPoint() {
return Platform.getExtensionRegistry().getExtensionPoint(EcoreUtilitiesPlugin.ID, EXTENSION_POINT_NAME);
}
/**
* Call this method to read and process all of the packageURIMap extensions. *
*/
public void processExtensions() {
CompatibilityPackageMappingRegistry reg = CompatibilityPackageMappingRegistry.INSTANCE;
IExtension[] extensions = getExtensionPoint().getExtensions();
for (int i = 0; i < extensions.length; i++)
processExtension(extensions[i], reg);
}
/**
* @param extension
*/
private void processExtension(IExtension extension, CompatibilityPackageMappingRegistry reg) {
IConfigurationElement[] configs = extension.getConfigurationElements();
for (int i = 0; i < configs.length; i++)
processConfiguration(configs[i], reg);
}
/**
* @param element
*/
private void processConfiguration(IConfigurationElement element, CompatibilityPackageMappingRegistry reg) {
String prefix = element.getAttribute(PREFIX_ATT_NAME);
String uri = element.getAttribute(URI_ATT_NAME);
reg.registerPrefixToPackageURI(prefix, uri);
}
}
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