ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/build/BuildEntry.java

/*******************************************************************************
 * Copyright (c) 2000, 2008 IBM 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.pde.internal.core.build;

import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.util.Vector;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.pde.core.IModelChangedEvent;
import org.eclipse.pde.core.ModelChangedEvent;
import org.eclipse.pde.core.build.IBuildEntry;
import org.eclipse.pde.internal.core.util.PropertiesUtil;

public class BuildEntry extends BuildObject implements IBuildEntry {
	private Vector tokens = new Vector();
	private String name;

	public BuildEntry(String name) {
		this.name = name;
	}

	public void addToken(String token) throws CoreException {
		ensureModelEditable();
		tokens.add(token);
		getModel().fireModelChanged(new ModelChangedEvent(getModel(), IModelChangedEvent.INSERT, new Object[] {token}, null));
	}

	public String getName() {
		return name;
	}

	public String[] getTokens() {
		String[] result = new String[tokens.size()];
		tokens.copyInto(result);
		return result;
	}

	public boolean contains(String token) {
		return tokens.contains(token);
	}

	void processEntry(String value) {
		StringTokenizer stok = new StringTokenizer(value, ","); //$NON-NLS-1$
		while (stok.hasMoreTokens()) {
			String token = stok.nextToken();
			token = token.trim();
			tokens.add(token);
		}
	}

	public void removeToken(String token) throws CoreException {
		ensureModelEditable();
		tokens.remove(token);
		getModel().fireModelChanged(new ModelChangedEvent(getModel(), IModelChangedEvent.REMOVE, new Object[] {token}, null));
	}

	public void renameToken(String oldName, String newName) throws CoreException {
		ensureModelEditable();
		for (int i = 0; i < tokens.size(); i++) {
			if (tokens.elementAt(i).toString().equals(oldName)) {
				tokens.setElementAt(newName, i);
				break;
			}
		}
		getModel().fireModelChanged(new ModelChangedEvent(getModel(), IModelChangedEvent.CHANGE, new Object[] {oldName}, null));
	}

	public void setName(String name) throws CoreException {
		ensureModelEditable();
		String oldValue = this.name;
		this.name = name;
		getModel().fireModelObjectChanged(this, P_NAME, oldValue, name);
	}

	public String toString() {
		return name + " = " + tokens; //$NON-NLS-1$
	}

	public void write(String indent, PrintWriter writer) {
		PropertiesUtil.writeKeyValuePair(indent, name, tokens.elements(), writer);
	}

	public void restoreProperty(String name, Object oldValue, Object newValue) throws CoreException {
		if (name.equals(P_NAME)) {
			setName(newValue != null ? newValue.toString() : null);
		}
	}
}