printingbugreporter.java

一个查找java程序里bug的程序的源代码,该程序本身也是java写的,对提高java编程水平很有用

/*
 * FindBugs - Find bugs in Java programs
 * Copyright (C) 2003,2004 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
 */

package edu.umd.cs.findbugs;

import java.util.*;

import org.apache.bcel.classfile.JavaClass;

/**
 * A simple BugReporter which simply prints the formatted message
 * to the output stream.
 */
public class PrintingBugReporter extends TextUIBugReporter {
	private HashSet<BugInstance> seenAlready = new HashSet<BugInstance>();

	public void observeClass(JavaClass javaClass) {
		// Don't need to do anything special, since we won't be
		// reporting statistics.
	}

	protected void doReportBug(BugInstance bugInstance) {
		if (seenAlready.add(bugInstance)) {
			printBug(bugInstance);
			notifyObservers(bugInstance);
		}
	}

	public void finish() {
		outputStream.close();
	}
}

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