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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
*
* 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:
* Saadia DHOUIB (CEA LIST) - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.export.util;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.pde.core.build.IBuild;
import org.eclipse.pde.core.build.IBuildEntry;
import org.eclipse.pde.core.build.IBuildModel;
import org.eclipse.pde.core.plugin.IPluginModelBase;
import org.eclipse.pde.core.plugin.PluginRegistry;
import org.eclipse.pde.internal.core.build.WorkspaceBuildModel;
// TODO: Auto-generated Javadoc
/**
* The Class BuildProperties.
*/
@SuppressWarnings("restriction")
public class BuildProperties {
/** The Constant OVERWRITE_BUILD_PROPERTY. */
public static final String OVERWRITE_BUILD_PROPERTY = "overwrite build property?";
/** The Constant NL. */
public static final String NL = System.getProperty("line.separator");
/** The project. */
private final IProject project;
/** The its build model. */
private IBuildModel itsBuildModel;
/**
* Instantiates a new builds the properties.
*
* @param project
* the project
*/
public BuildProperties(IProject project) {
this.project = project;
}
/**
* adds or overwrites an entry in the 'build.properties'.<br>
* returns <b>true</b> if adding was successful,<br>
* <b>false</b> is dialog did not confirm adding
*
* @param key
* the build property's name
* @param value
* the build property's value
* @return <b>true</b> if adding was successful,<br>
* <b>false</b> is dialog did not confirm adding
* @throws CoreException
* the core exception
*/
public boolean addBuildEntry(String key, String value) throws CoreException {
Assert.isNotNull(key);
Assert.isNotNull(value);
boolean writeEntry = true;
if(hasBuildEntry(key)) {
if(getBuild().getEntry(key).contains(value)) {
return true;
}
removeExistingBuildEntry(key);
}
if(writeEntry) {
IBuildModel buildModel = getBuildModel();
IBuildEntry buildEntry = buildModel.getFactory().createEntry(key);
buildEntry.addToken(value);
getBuild().add(buildEntry);
((WorkspaceBuildModel)buildModel).save();
}
return writeEntry;
}
/**
* removes an entry with the given name from the 'build.properties'
*
* @param key
* the build property's name
* @throws CoreException
* the core exception
*/
public void removeExistingBuildEntry(String key) throws CoreException {
IBuildEntry entry = getBuild().getEntry(key);
if(entry != null) {
getBuild().remove(entry);
}
}
/**
* returns whether an entry exists for the given key.
*
* @param key
* the build property's name
* @return true, if successful
*/
public boolean hasBuildEntry(final String key) {
return getBuild().getEntry(key) != null;
}
/**
* Gets the builds the.
*
* @return the builds the
*/
private IBuild getBuild() {
IBuildModel buildModel = getBuildModel();
if(buildModel == null) {
return null;
}
return buildModel.getBuild();
}
/**
* Gets the properties.
*
* @param key
* the key
* @return the properties
*/
public String[] getProperties(String key) {
return getBuild().getEntry(key).getTokens();
}
/**
* returns the Eclipse BuildModel.
*
* @return the Eclipse BuildModel
*/
private IBuildModel getBuildModel() {
if(itsBuildModel == null) {
IPluginModelBase pluginModel = PluginRegistry.findModel(this.project);
itsBuildModel = createBuildModel(pluginModel);
}
return itsBuildModel;
}
/**
* see org.eclipse.pde.internal.core.ClasspathUtilCore.getBuild
*
* @param model
* the model
* @return the i build model
*/
private IBuildModel createBuildModel(final IPluginModelBase model) {
IProject project = model.getUnderlyingResource().getProject();
IFile buildFile = project.getFile("build.properties"); //$NON-NLS-1$
if(!buildFile.exists()) {
return null;
}
WorkspaceBuildModel buildModel = new WorkspaceBuildModel(buildFile);
buildModel.load();
return buildModel;
}
}
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