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/*******************************************************************************
* Copyright (c) 2010 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
* yyyymmdd bug Email and other contact information
* -------- -------- -----------------------------------------------------------
* 20100413 307552 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS and Java EE 6 setup is incorrect
*******************************************************************************/
package org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryproviderconfig;
import java.util.Iterator;
import java.util.List;
import java.util.Vector;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.InvalidRegistryObjectException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jst.ws.jaxrs.core.internal.JAXRSCorePlugin;
import org.eclipse.jst.ws.jaxrs.core.internal.Messages;
import org.eclipse.jst.ws.jaxrs.core.internal.project.facet.IJAXRSFacetInstallDataModelProperties;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
/**
* A singleton maintains lists of Library Providers
*
*/
public class JAXRSLibraryProviderUtil {
private static JAXRSLibraryProviderUtil instance = null;
private static List<JAXRSLibraryProvider> libraryProviders = new Vector<JAXRSLibraryProvider>();
private static final String JAXRS_LIBRARY_PROVIDER_EXT_PT = "jaxrsLibraryProvider";
/**
* Private constructor
*/
private JAXRSLibraryProviderUtil() {
// nothing to do
}
public static boolean isUpdateDDCheckBoxSelectedByDefault(String libraryID) {
if (libraryID == null)
return false;
JAXRSLibraryProviderUtil.getInstance();
java.util.List<JAXRSLibraryProvider> libraryProviders = getLibraryProviders();
Iterator<JAXRSLibraryProvider> libraryProvidersIterator = libraryProviders
.iterator();
while (libraryProvidersIterator.hasNext()) {
JAXRSLibraryProvider thisLibraryProvider = libraryProvidersIterator
.next();
if (libraryID.equals(thisLibraryProvider.getLibraryProviderID())) {
return thisLibraryProvider.getUpdateDDCheckBoxSelected();
}
}
return false;
}
public static boolean isUpdateDDCheckBoxSupportAvailable(String libraryID) {
if (libraryID == null || libraryID.length() == 0)
return false;
JAXRSLibraryProviderUtil.getInstance();
java.util.List<JAXRSLibraryProvider> libraryProviders = getLibraryProviders();
Iterator<JAXRSLibraryProvider> libraryProvidersIterator = libraryProviders
.iterator();
while (libraryProvidersIterator.hasNext()) {
JAXRSLibraryProvider thisLibraryProvider = libraryProvidersIterator
.next();
if (libraryID.equals(thisLibraryProvider.getLibraryProviderID())) {
if (thisLibraryProvider.getShowUpdateDDCheckBox()) {
return true;
}
}
}
return false;
}
public static String getServletClassName(String libraryID) {
String toReturn = "";
if (libraryID == null || libraryID.length() == 0)
return toReturn;
JAXRSLibraryProviderUtil.getInstance();
java.util.List<JAXRSLibraryProvider> libraryProviders = getLibraryProviders();
Iterator<JAXRSLibraryProvider> libraryProvidersIterator = libraryProviders
.iterator();
while (libraryProvidersIterator.hasNext()) {
JAXRSLibraryProvider thisLibraryProvider = libraryProvidersIterator
.next();
if (libraryID.equals(thisLibraryProvider.getLibraryProviderID())) {
return thisLibraryProvider.getServletClassName() != null ? thisLibraryProvider.getServletClassName() : toReturn;
}
}
return toReturn;
}
/**
* Return the singleton instance of JAXRSLibraryProviderUtil.
*
* @return JAXRSLibraryProviderUtil
*/
public synchronized static JAXRSLibraryProviderUtil getInstance() {
if (instance == null) {
instance = new JAXRSLibraryProviderUtil();
instance.loadLibraryProvidersExtensions();
}
return instance;
}
/**
* Creates jax-rs library provider items from extension points.
*/
private void loadLibraryProvidersExtensions() {
try {
IExtensionPoint point = Platform.getExtensionRegistry()
.getExtensionPoint(JAXRSCorePlugin.PLUGIN_ID, JAXRS_LIBRARY_PROVIDER_EXT_PT);
IExtension[] extensions = point.getExtensions();
for (int i = 0; i < extensions.length; i++) {
IExtension ext = extensions[i];
for (int j = 0; j < ext.getConfigurationElements().length; j++) {
JAXRSLibraryProviderCreationHelper newLibCreator = new JAXRSLibraryProviderCreationHelper(
ext.getConfigurationElements()[j]);
JAXRSLibraryProvider newLibraryProvider = newLibCreator.create();
if (newLibraryProvider != null)
libraryProviders.add(newLibraryProvider);
}
}
} catch (InvalidRegistryObjectException e) {
JAXRSCorePlugin.log(IStatus.ERROR,
Messages.JAXRSLibraryProvider_ErrorLoadingFromExtPt, e);
}
}
public static List<JAXRSLibraryProvider> getLibraryProviders() {
return libraryProviders;
}
}
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