tests/org.eclipse.core.tests.resources/src/org/eclipse/core/tests/internal/resources/SnowNature.java

/*******************************************************************************
 * Copyright (c) 2002 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v0.5
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors:
 * IBM - Initial API and implementation
 ******************************************************************************/
package org.eclipse.core.tests.internal.resources;

import java.util.HashMap;

import org.eclipse.core.resources.*;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.tests.internal.builders.SnowBuilder;
import org.eclipse.core.tests.internal.builders.TestBuilder;

/**
 */
public class SnowNature extends TestNature {
/**
 * Constructor for SnowNature.
 */
public SnowNature() {
	super();
}
/**
 * @see IProjectNature#configure()
 */
public void configure() throws CoreException {
	//install the snow builder
	IProject project = getProject();
	IProjectDescription desc = project.getDescription();
	ICommand[] oldSpec = desc.getBuildSpec();
	ICommand[] newSpec = new ICommand[oldSpec.length+1];
	System.arraycopy(oldSpec, 0, newSpec, 0, oldSpec.length);
	ICommand newCommand = desc.newCommand();
	newCommand.setBuilderName(SnowBuilder.BUILDER_NAME);
	HashMap args = new HashMap(20);
	args.put(TestBuilder.BUILD_ID, SnowBuilder.SNOW_BUILD_EVENT);
	newCommand.setArguments(args);
	newSpec[oldSpec.length] = newCommand;
	desc.setBuildSpec(newSpec);
	project.setDescription(desc, IResource.FORCE | IResource.KEEP_HISTORY, null);
}

/**
 * @see IProjectNature#deconfigure()
 */
public void deconfigure() throws CoreException {
	//remove the snow builder
	IProjectDescription description = getProject().getDescription();
	ICommand[] commands = description.getBuildSpec();
	for (int i = 0; i < commands.length; ++i) {
		if (commands[i].getBuilderName().equals(SnowBuilder.BUILDER_NAME)) {
			ICommand[] newCommands = new ICommand[commands.length - 1];
			System.arraycopy(commands, 0, newCommands, 0, i);
			System.arraycopy(commands, i + 1, newCommands, i, commands.length - i - 1);
			description.setBuildSpec(newCommands);
			getProject().setDescription(description, null);
			return;
		}
	}
}
}