package org.apache.maven.plugin.logging;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.

  */

 import java.io.PrintWriter;

 import java.io.StringWriter;

 /**

  * Logger with "standard" output and error output stream.

  *

  * @author jdcasey

  * @version $Id: SystemStreamLog.java 495147 2007-01-11 07:47:53Z jvanzyl $

  */

 public class SystemStreamLog

     implements Log

 {

     /**

      * @see org.apache.maven.plugin.logging.Log#debug(java.lang.CharSequence)

      */

     public void debug( CharSequence content )

     {

         print( "debug", content );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#debug(java.lang.CharSequence, java.lang.Throwable)

      */

     public void debug( CharSequence content, Throwable error )

     {

         print( "debug", content, error );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#debug(java.lang.Throwable)

      */

     public void debug( Throwable error )

     {

         print( "debug", error );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#info(java.lang.CharSequence)

      */

     public void info( CharSequence content )

     {

         print( "info", content );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#info(java.lang.CharSequence, java.lang.Throwable)

      */

     public void info( CharSequence content, Throwable error )

     {

         print( "info", content, error );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#info(java.lang.Throwable)

      */

     public void info( Throwable error )

     {

         print( "info", error );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#warn(java.lang.CharSequence)

      */

     public void warn( CharSequence content )

     {

         print( "warn", content );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#warn(java.lang.CharSequence, java.lang.Throwable)

      */

     public void warn( CharSequence content, Throwable error )

     {

         print( "warn", content, error );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#warn(java.lang.Throwable)

      */

     public void warn( Throwable error )

     {

         print( "warn", error );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#error(java.lang.CharSequence)

      */

     public void error( CharSequence content )

     {

         System.err.println( "[error] " + content.toString() );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#error(java.lang.CharSequence, java.lang.Throwable)

      */

     public void error( CharSequence content, Throwable error )

     {

         StringWriter sWriter = new StringWriter();

         PrintWriter pWriter = new PrintWriter( sWriter );

         error.printStackTrace( pWriter );

         System.err.println( "[error] " + content.toString() + "\n\n" + sWriter.toString() );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#error(java.lang.Throwable)

      */

     public void error( Throwable error )

     {

         StringWriter sWriter = new StringWriter();

         PrintWriter pWriter = new PrintWriter( sWriter );

         error.printStackTrace( pWriter );

         System.err.println( "[error] " + sWriter.toString() );

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#isDebugEnabled()

      */

     public boolean isDebugEnabled()

     {

         // TODO: Not sure how best to set these for this implementation...

         return false;

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#isInfoEnabled()

      */

     public boolean isInfoEnabled()

     {

         return true;

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#isWarnEnabled()

      */

     public boolean isWarnEnabled()

     {

         return true;

     }

     /**

      * @see org.apache.maven.plugin.logging.Log#isErrorEnabled()

      */

     public boolean isErrorEnabled()

     {

         return true;

     }

     private void print( String prefix, CharSequence content )

     {

         System.out.println( "[" + prefix + "] " + content.toString() );

     }

     private void print( String prefix, Throwable error )

     {

         StringWriter sWriter = new StringWriter();

         PrintWriter pWriter = new PrintWriter( sWriter );

         error.printStackTrace( pWriter );

         System.out.println( "[" + prefix + "] " + sWriter.toString() );

     }

     private void print( String prefix, CharSequence content, Throwable error )

     {

         StringWriter sWriter = new StringWriter();

         PrintWriter pWriter = new PrintWriter( sWriter );

         error.printStackTrace( pWriter );

         System.out.println( "[" + prefix + "] " + content.toString() + "\n\n" + sWriter.toString() );

     }

 }