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The source code

// $Header: /home/cvs/jakarta-jmeter/src/htmlparser/org/htmlparser/util/DefaultParserFeedback.java,v 1.2 2004/02/11 02:16:59 woolfel Exp $
/*
 * ====================================================================
 * Copyright 2002-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */

// The developers of JMeter and Apache are greatful to the developers
// of HTMLParser for giving Apache Software Foundation a non-exclusive
// license. The performance benefits of HTMLParser are clear and the
// users of JMeter will benefit from the hard work the HTMLParser
// team. For detailed information about HTMLParser, the project is
// hosted on sourceforge at http://htmlparser.sourceforge.net/.
//
// HTMLParser was originally created by Somik Raha in 2000. Since then
// a healthy community of users has formed and helped refine the
// design so that it is able to tackle the difficult task of parsing
// dirty HTML. Derrick Oswald is the current lead developer and was kind
// enough to assist JMeter.

package org.htmlparser.util;

import java.io.Serializable;

/**
 * Default implementation of the HTMLParserFeedback interface.
 * This implementation prints output to the console but users
 * can implement their own classes to support alternate behavior.
 *
 * @author Claude Duguay
 * @see ParserFeedback
 * @see FeedbackManager
**/
public class DefaultParserFeedback implements ParserFeedback, Serializable
{
    /**
     * Constructor argument for a quiet feedback.
     */
    public static final int QUIET = 0;

    /**
     * Constructor argument for a normal feedback.
     */
    public static final int NORMAL = 1;

    /**
     * Constructor argument for a debugging feedback.
     */
    public static final int DEBUG = 2;

    /**
     * Verbosity level.
     * Corresponds to constructor arguments:
     * 
     *   DEBUG = 2;
     *   NORMAL = 1;
     *   QUIET = 0;
     * 
*/ protected int mode; /** * Construct a feedback object of the given type. * @param mode The type of feedback: *
     *   DEBUG - verbose debugging with stack traces
     *   NORMAL - normal messages
     *   QUIET - no messages
     * 
*/ public DefaultParserFeedback(int mode) { if (mode < QUIET || mode > DEBUG) throw new IllegalArgumentException( "illegal mode (" + mode + "), must be one of: QUIET, NORMAL, DEBUG"); this.mode = mode; } /** * Construct a NORMAL feedback object. */ public DefaultParserFeedback() { this(NORMAL); } /** * Print an info message. * @param message The message to print. */ public void info(String message) { if (mode != QUIET) System.out.println("INFO: " + message); } /** * Print an warning message. * @param message The message to print. */ public void warning(String message) { if (mode != QUIET) System.out.println("WARNING: " + message); } /** * Print an error message. * @param message The message to print. * @param exception The exception for stack tracing. */ public void error(String message, ParserException exception) { if (mode != QUIET) { System.out.println("ERROR: " + message); if (mode == DEBUG && (exception != null)) exception.printStackTrace(); } } }
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