/*******************************************************************************
 * Copyright (c) 2006 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.callisto.tools.utils;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class FullJarNameParser {

	private static final boolean DEBUG = false; 
	// simplified pattern: (ID) '_' (N '.' M '.' O '.' S) '.jar'
	private String START_GROUP = "(";//$NON-NLS-1$
	private String END_GROUP = ")"; //$NON-NLS-1$
	private String UNDERSCORE = "_"; //$NON-NLS-1$
	private String BACKSLASH = "\\"; //$NON-NLS-1$
	private String LITERAL_PERIOD = BACKSLASH + "."; //$NON-NLS-1$
	private String ANYDIGITS = BACKSLASH + "d" + "*"; //$NON-NLS-1$ //$NON-NLS-2$
	private String ANY = ".*"; //$NON-NLS-1$
	private Pattern pattern = Pattern.compile(START_GROUP + ANY + END_GROUP + UNDERSCORE + START_GROUP + START_GROUP + ANYDIGITS + END_GROUP + LITERAL_PERIOD + START_GROUP + ANYDIGITS + END_GROUP + LITERAL_PERIOD + START_GROUP + ANYDIGITS + END_GROUP + START_GROUP + LITERAL_PERIOD + ANY + END_GROUP + "?" + END_GROUP + ".jar"); //$NON-NLS-1$ //$NON-NLS-2$

	private String projectString;
	private String versionString;


	public FullJarNameParser() {
		super();
	}

	public boolean parse(String line) {
		boolean result = false;
		projectString = ""; //$NON-NLS-1$
		projectString = ""; //$NON-NLS-1$
		Matcher matcher = pattern.matcher(line);

		if (!matcher.matches()) {
			System.out.println();
			System.out.println("\tthe line did not match parse rule: "); //$NON-NLS-1$
			System.out.println("\t" + line); //$NON-NLS-1$
			System.out.println();
			result = false;
		}
		else {

			projectString = matcher.group(1);
			versionString = matcher.group(2);
			if (DEBUG) {
				System.out.println(projectString);
				System.out.println(versionString);
				System.out.println();
			}
			result = true;
		}
		return result;
	}


	public String getProjectString() {
		return projectString;
	}


	public String getVersionString() {
		return versionString;
	}
}