michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.background.common.log.writers;
michael@0: 
michael@0: import java.io.PrintWriter;
michael@0: 
michael@0: /**
michael@0:  * Log to a <code>PrintWriter</code>.
michael@0:  */
michael@0: public class PrintLogWriter extends LogWriter {
michael@0:   protected final PrintWriter pw;
michael@0:   protected boolean closed = false;
michael@0: 
michael@0:   public static final String ERROR   = " :: E :: ";
michael@0:   public static final String WARN    = " :: W :: ";
michael@0:   public static final String INFO    = " :: I :: ";
michael@0:   public static final String DEBUG   = " :: D :: ";
michael@0:   public static final String VERBOSE = " :: V :: ";
michael@0: 
michael@0:   public PrintLogWriter(PrintWriter pw) {
michael@0:     this.pw = pw;
michael@0:   }
michael@0: 
michael@0:   protected void log(String tag, String message, Throwable error) {
michael@0:     if (closed) {
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     pw.println(tag + message);
michael@0:     if (error != null) {
michael@0:       error.printStackTrace(pw);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public void error(String tag, String message, Throwable error) {
michael@0:     log(tag, ERROR + message, error);
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public void warn(String tag, String message, Throwable error) {
michael@0:     log(tag, WARN + message, error);
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public void info(String tag, String message, Throwable error) {
michael@0:     log(tag, INFO + message, error);
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public void debug(String tag, String message, Throwable error) {
michael@0:     log(tag, DEBUG + message, error);
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public void trace(String tag, String message, Throwable error) {
michael@0:     log(tag, VERBOSE + message, error);
michael@0:   }
michael@0: 
michael@0:   @Override
michael@0:   public boolean shouldLogVerbose(String tag) {
michael@0:     return true;
michael@0:   }
michael@0: 
michael@0:   public void close() {
michael@0:     if (closed) {
michael@0:       return;
michael@0:     }
michael@0:     if (pw != null) {
michael@0:       pw.close();
michael@0:     }
michael@0:     closed = true;
michael@0:   }
michael@0: }