filterpropertydatabase.java

A static analysis tool to find bugs in Java programs

package edu.umd.cs.findbugs.tools;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.bcel.Constants;

import edu.umd.cs.findbugs.util.Util;

/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2006, University of Maryland
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/**
 * Filter a property database, only passing through the annotations on public or protected methods
 */
public class FilterPropertyDatabase {

	final static int FLAGS = Constants.ACC_PROTECTED | Constants.ACC_PUBLIC;
	/**
	 * @param args
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		InputStream inSource = System.in;
	   if (args.length > 0)
			inSource = new FileInputStream(args[0]);
		BufferedReader in = new BufferedReader(Util.getReader(inSource));
		Pattern p = Pattern.compile(",([0-9]+)\\|");
	   while (true) {
			String s = in.readLine();
			if (s == null) break;
			Matcher m = p.matcher(s);
		   if (m.find()) {
				int value = Integer.parseInt(m.group(1));
				if ((value & FLAGS) != 0)
					System.out.println(s);
		   }

		}

	}

}