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/*******************************************************************************
* Copyright (c) 2005 Oracle Corporation.
* 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:
* Ian Trimble - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.core.jsfappconfig;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.wst.common.componentcore.resources.IVirtualFolder;
import org.eclipse.wst.common.componentcore.resources.IVirtualResource;
/**
* WebContentRelativeJSFAppConfigLocater is an abstract base class that
* attempts to locate specified application configuration files relative to a
* web content folder. Subclasses must override the getFilenames() method to
* return a list of filenames that the locateProviders() method will attempt to
* locate, and call locateProviders().
*
* @author Ian Trimble - Oracle
*/
public abstract class WebContentRelativeJSFAppConfigLocater extends AbstractJSFAppConfigLocater {
/**
* Locates application configuration resources specified by the filenames
* (relative to the web content folder) returned by getFilenames(), and
* updates the set of {@link IJSFAppConfigProvider} instances accordingly.
*/
public void locateProviders() {
IProject project = manager.getProject();
IVirtualFolder webContentFolder = JSFAppConfigUtils.getWebContentFolder(project);
if (webContentFolder != null) {
List filenames = getFilenames();
Iterator itFilenames = filenames.iterator();
Set newConfigProviders = new LinkedHashSet();
while (itFilenames.hasNext()) {
String filename = (String)itFilenames.next();
IVirtualResource appConfigResource = webContentFolder.findMember(filename);
if (appConfigResource != null && appConfigResource.getType() == IVirtualResource.FILE) {
IFile file = (IFile)appConfigResource.getUnderlyingResource();
if (file != null && file.exists()) {
ArtifactEditJSFAppConfigProvider configProvider = new ArtifactEditJSFAppConfigProvider(file);
newConfigProviders.add(configProvider);
}
}
}
updateConfigProviders(newConfigProviders);
}
}
/**
* Gets a list of Strings representing the filenames (relative to the web
* content folder) that locateProviders() will attempt to locate.
*
* @return A list of Strings representing the filenames (relative to the
* web content folder) that locateProviders() will attempt to locate.
*/
protected abstract List getFilenames();
}
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