001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.transaction.util;
018    
019    import java.io.PrintWriter;
020    
021    /**
022     * Logger implementation that logs into a pring writer like the one
023     * passed in JCA.
024     *
025     * @version $Id: PrintWriterLogger.java 493628 2007-01-07 01:42:48Z joerg $
026     */
027    public class PrintWriterLogger implements LoggerFacade {
028    
029        protected PrintWriter printWriter;
030        protected String name;
031        protected boolean debug;
032    
033        public PrintWriterLogger(PrintWriter printWriter, String name, boolean debug) {
034            this.printWriter = printWriter;
035            this.name = name;
036            this.debug = debug;
037        }
038    
039        public LoggerFacade createLogger(String newName) {
040            return new PrintWriterLogger(this.printWriter, newName, this.debug);
041        }
042    
043        public void logInfo(String message) {
044            log("INFO", message);
045        }
046    
047        public void logFine(String message) {
048            if (debug)
049            log("FINE", message);
050        }
051    
052        public boolean isFineEnabled() {
053            return debug;
054        }
055    
056        public void logFiner(String message) {
057            if (debug)
058                log("FINER", message);
059        }
060    
061        public boolean isFinerEnabled() {
062            return debug;
063        }
064    
065        public void logFinest(String message) {
066            if (debug)
067                log("FINEST", message);
068        }
069    
070        public boolean isFinestEnabled() {
071            return debug;
072        }
073    
074        public void logWarning(String message) {
075            log("WARNING", message);
076        }
077    
078        public void logWarning(String message, Throwable t) {
079            log("WARNING", message);
080            t.printStackTrace(printWriter);
081        }
082    
083        public void logSevere(String message) {
084            log("SEVERE", message);
085        }
086    
087        public void logSevere(String message, Throwable t) {
088            log("SEVERE", message);
089            t.printStackTrace(printWriter);
090        }
091    
092        protected void log(String level, String message) {
093            printWriter.write(name + "(" + level + ":" + message);
094            printWriter.flush();
095        }
096    }