/*******************************************************************************
* Copyright (c) 2001, 2008 Oracle 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:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.core.jsflibraryconfiguration;
import java.util.Collection;
import java.util.HashSet;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
import org.eclipse.jst.jsf.core.jsflibraryconfiguration.internal.JSFLibraryReferenceFacadeFactory;
/**
* Helper class for adopters needing to deal with JSF Library References
*
* <p><b>Provisional API - subject to change</b></p>
* @since WTP JSF 1.0
* @deprecated
*/
public final class JSFLibraryConfigurationHelper {
/**
* container id for JSF Library Classpath Containers
*/
public static final String JSF_LIBRARY_CP_CONTAINER_ID="org.eclipse.jst.jsf.core.internal.jsflibrarycontainer"; //$NON-NLS-1$
/**
* @param project
* @return collection of references
*/
public static Collection<JSFLibraryReference> getJSFLibraryReferences(IProject project) {
Collection<JSFLibraryReference> results = new HashSet<JSFLibraryReference>();
IJavaProject jproj = JavaCore.create(project);
try {
IClasspathEntry[] entries = jproj.getRawClasspath();
boolean foundImpl = false;
for (int i=0;i<entries.length;i++){
JSFLibraryReference ref = JSFLibraryReferenceFacadeFactory.create(entries[i]);
if (ref != null){
results.add(ref);
if (ref.isJSFImplementation())
foundImpl = true;
}
}
if (! foundImpl){
results.add(JSFLibraryReferenceFacadeFactory.createServerSuppliedJSFLibRef());
}
} catch (JavaModelException e) {
JSFCorePlugin.log(e, "Exception occurred calling getJSFLibraryReferences for "+project.getName()); //$NON-NLS-1$
}
return results;
}
/**
* @param cpEntry
* @return boolean indicating that the classpath entry is a JSF Libary Classpath Container
*/
public static boolean isJSFLibraryContainer(IClasspathEntry cpEntry) {
if (cpEntry.getEntryKind() != IClasspathEntry.CPE_CONTAINER)
return false;
IPath path = cpEntry.getPath();
return path != null && path.segmentCount() == 2 && JSF_LIBRARY_CP_CONTAINER_ID.equals(path.segment(0));
}
/**
* @param project
* @return true if the JSF Faceted project is configured to use system supplied implementation
*/
public static boolean isConfiguredForSystemSuppliedImplementation(IProject project) {
Collection<JSFLibraryReference> refs = getJSFLibraryReferences(project);
for(JSFLibraryReference ref : refs){
if (ref instanceof JSFLibraryReferenceServerSupplied)
return true;
}
return false;
}
}