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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 org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jst.jsf.facesconfig.emf.FacesConfigType;
import org.eclipse.jst.jsf.facesconfig.util.FacesConfigArtifactEdit;
/**
* ArtifactEditJSFAppConfigProvider uses FacesConfigArtifactEdit to provide
* the root element of an application configuration model.
*
* <p><b>Provisional API - subject to change</b></p>
*
* @author Ian Trimble - Oracle
*/
public class ArtifactEditJSFAppConfigProvider extends AbstractJSFAppConfigProvider {
/**
* IFile instance that represents an application configuration resource
* file.
*/
protected IFile appConfigFile = null;
/**
* FacesConfigArtifactEdit instance used to get the application
* configuration model.
*/
protected FacesConfigArtifactEdit facesConfigArtifactEdit = null;
/**
* Cached {@link FacesConfigType} instance.
*/
protected FacesConfigType facesConfig = null;
/**
* Creates an instance, storing the passed IFile instance for subsequent
* processing.
*
* @param appConfigFile IFile instance that represents an application
* configuration resource file
*/
public ArtifactEditJSFAppConfigProvider(IFile appConfigFile) {
this.appConfigFile = appConfigFile;
}
/* (non-Javadoc)
* @see org.eclipse.jst.jsf.core.jsfappconfig.IJSFAppConfigProvider#getFacesConfigModel()
*/
public FacesConfigType getFacesConfigModel() {
if (facesConfig == null) {
if (appConfigFile != null) {
IProject project = appConfigFile.getProject();
IPath appConfigFilePath = JSFAppConfigUtils.getWebContentFolderRelativePath(appConfigFile);
if (appConfigFilePath != null) {
facesConfigArtifactEdit = FacesConfigArtifactEdit.getFacesConfigArtifactEditForRead(project, appConfigFilePath.toString());
if (facesConfigArtifactEdit != null) {
facesConfig = facesConfigArtifactEdit.getFacesConfig();
if (facesConfig != null) {
jsfAppConfigLocater.getJSFAppConfigManager().addFacesConfigChangeAdapter(facesConfig);
}
}
}
}
}
return facesConfig;
}
/* (non-Javadoc)
* @see org.eclipse.jst.jsf.core.jsfappconfig.IJSFAppConfigProvider#releaseFacesConfigModel()
*/
public void releaseFacesConfigModel() {
jsfAppConfigLocater.getJSFAppConfigManager().removeFacesConfigChangeAdapter(facesConfig);
if (facesConfigArtifactEdit != null) {
facesConfigArtifactEdit.dispose();
}
}
/*
* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object otherObject) {
boolean equals = false;
if (otherObject != null && otherObject instanceof ArtifactEditJSFAppConfigProvider) {
IFile otherAppConfigFile = ((ArtifactEditJSFAppConfigProvider)otherObject).appConfigFile;
if (appConfigFile != null) {
equals = appConfigFile.equals(otherAppConfigFile);
} else {
equals = otherAppConfigFile == null;
}
}
return equals;
}
/*
* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return appConfigFile != null ? appConfigFile.hashCode() : 0;
}
/*
* (non-Javadoc)
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer sb = new StringBuffer("ArtifactEditJSFAppConfigProvider["); //$NON-NLS-1$
if (appConfigFile != null) {
sb.append(appConfigFile.toString());
} else {
sb.append("null"); //$NON-NLS-1$
}
sb.append("]"); //$NON-NLS-1$
return sb.toString();
}
/*
* (non-Javadoc)
* @see java.lang.Object#finalize()
*/
protected void finalize() {
releaseFacesConfigModel();
}
}
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