/*******************************************************************************
* Copyright (c) 2006 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.xml.core.internal.validation.eclipse;
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.xml.core.internal.validation.errorcustomization.ErrorCustomizationRegistry;
import org.eclipse.wst.xml.core.internal.validation.errorcustomization.ErrorMessageCustomizerDelegate;
import org.osgi.framework.Bundle;
/**
* This class reads the plug-in manifests and registers each extension
* error customizer with the ErrorCustomizationRegistry.
*/
public class ErrorCustomizationPluginRegistryReader {
protected static final String PLUGIN_ID = "org.eclipse.wst.xml.core"; //$NON-NLS-1$
protected static final String ATT_CLASS = "class"; //$NON-NLS-1$
protected static final String ATT_NAMESPACE = "namespace"; //$NON-NLS-1$
protected static final String EXTENSION_POINT_ID = "errorCustomizer"; //$NON-NLS-1$
protected static final String tagName = EXTENSION_POINT_ID;
/**
* Read from plugin registry for the errorcustomizer extension.
*/
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]);
}
}
}
/**
* readElement() - parse and deal with an extension like:
*
* <extension point="org.eclipse.wst.xml.core.errorCustomizer"
* id="specificErrorCustomizer"
* name="Specific Error Customizer">
* <errorCustomizer
* namespace="http://specificnamespace"
* class="org.eclipse.wst.xml.core.MySpecificErrorCustomizer/>
* </extension>
*/
protected void readElement(IConfigurationElement element)
{
if (element.getName().equals(tagName))
{
String errorCustomizerClass = element.getAttribute(ATT_CLASS);
String namespace = element.getAttribute(ATT_NAMESPACE);
if (errorCustomizerClass != null)
{
try
{
Bundle pluginBundle = Platform.getBundle(element.getDeclaringExtension().getContributor().getName());
ErrorMessageCustomizerDelegate delegate = new ErrorMessageCustomizerDelegate(pluginBundle, errorCustomizerClass);
ErrorCustomizationRegistry.getInstance().addErrorMessageCustomizer(namespace, delegate);
}
catch (Exception e)
{
}
}
}
}
}