/*

 Copyright (c) 2006, University of Tromsø

 All rights reserved.

 Redistribution and use in source and binary forms, with or without 

 modification, are permitted provided that the following conditions are met:

  * Redistributions of source code must retain the above copyright notice, this list 

    of conditions and the following disclaimer.

  * Redistributions in binary form must reproduce the above copyright notice, this 

    list of conditions and the following disclaimer in the documentation and/or other 

    materials provided with the distribution.

  * Neither the name of the University of Tromsø nor the names of its contributors may 

    be used to endorse or promote products derived from this software without specific 

    prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 

 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 

 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 

 SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 

 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 

 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 

 BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 

 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 

 ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 

 DAMAGE.

 */

 package argos.logging;

 import java.io.PrintStream;

 import java.util.ArrayList;

 import java.util.List;

 import javax.management.MBeanNotificationInfo;

 import javax.management.Notification;

 import argos.annotation.Description;

 import argos.annotation.InstrumentThisClassOnly;

 import argos.annotation.NotificationSender;

 import argos.annotation.RemoveInstrumentation;

 import argos.proxy.NotificationProxy;

 @InstrumentThisClassOnly

 @Description("Console output")

 public class Console extends PrintStream {

         public static final Console console = new Console();

         public static final String OUTPUT = "Output";

         @NotificationSender public NotificationProxy proxy;

         private PrintStream error;

         private List<String> strings;

         private boolean exiting;

         private long sequence;

         private Console() {

                 super(System.out);

                 error = System.err;

                 sequence = 0;

                 strings = new ArrayList<String>();

                 strings.add(" INFO org.mortbay.log - Logging to org.slf4j.impl.SimpleLogger");

                 strings.add(" INFO org.mortbay.log - Started SocketConnector @");

                 strings.add(" INFO org.mortbay.log - jetty-6.1.1");

                 strings.add("::INFO:  Logging to STDERR via org.mortbay.log.StdErrLog");

                 strings.add("::INFO:  jetty-6.1.1");

                 strings.add("::INFO:  Started SocketConnector @");

                 strings.add("INFO:  jsp: init");

                 strings.add("INFO:  default: init");

                 strings.add(":INFO:  default: destroy");

                 strings.add("Creating new servlet engine config file: /WEB-INF/server-config.wsdd");

                 strings.add("[JavaUtils] Warning: Unable to find required classes (javax.activation.DataHandler and javax.mail.internet.MimeMultipart). Attachment support is disabled.");

                 strings.add("[EngineConfigurationFactoryServlet] Warning: Unable to load/create servlet engine config file, attempting internal default (from jar).");

                 strings.add("started and ready to accept connections on port");

                 strings.add(" - (485682) shutdown at");

                 strings.add("Unable to find required classes (javax.activation.DataHandler and javax.mail.internet.MimeMultipart)");

                 strings.add("log4j:WARN");

                 System.setOut(this);

                 exiting = false;

         }

         @Override

     @RemoveInstrumentation

     public void write(byte[] buf, int off, int len) {

                 if(exiting) {

                         return;

                 }

             String s = new String(buf);

             if(!contains(new String(buf))) {

                     if(s.indexOf("] Severe: ") == -1 && s.indexOf("] Warning: ") == -1) {

                         super.write(buf, off, len);

                 }

                     else {

                             error.write(buf, off, len);

                     }

                     send(new String(buf, off, len));

             }

     }

     private boolean contains(String s) {

             for(String s2 : strings) {

                     if(s.indexOf(s2) != -1) {

                             return true;

                     }

             }

             return false;

     }

     @Override

     @RemoveInstrumentation

     public void println() {

             byte[] ln = {'\r', '\n'};

             write(ln, 0, ln.length);

     }

     @Override

     @RemoveInstrumentation

     public void print(Object o) {

             String s = o.toString();

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(String s) {

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(boolean b) {

             String s;

             if(b) {

                     s = "true";

             }

             else {

                     s= "false";

             }

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(char c) {

             String s = Character.toString(c);

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(char[] c) {

             String s = new String(c);

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(double d) {

             String s = Double.toString(d);

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(float f) {

             String s = Float.toString(f);

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(int i) {

             String s = Integer.toString(i);

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void print(long l) {

             String s = Long.toString(l);

             write(s.getBytes(), 0, s.length());

     }

     @Override

     @RemoveInstrumentation

     public void println(Object o) {

             print(o);

             println();

             byte[] ln = {'o'};

             write(ln, 0, ln.length);

     }

     @Override

     @RemoveInstrumentation

     public void println(String s) {

             if(s == null) {

                     println("null");

             }

             else if(!contains(s)) {

                     print(s);

                     println();

             }

     }

     @Override

     @RemoveInstrumentation

     public void println(boolean b) {

             print(b);

             println();

     }

     @Override

     @RemoveInstrumentation

     public void println(char c) {

             print(c);

             println();

     }

     @Override

     @RemoveInstrumentation

     public void println(char[] c) {

             print(c);

             println();

     }

     @Override

     @RemoveInstrumentation

     public void println(double d) {

             print(d);

             println();

     }

     @Override

     @RemoveInstrumentation

     public void println(float f) {

             print(f);

             println();

     }

     @Override

     @RemoveInstrumentation

     public void println(int i) {

             print(i);

             println();

     }

     @Override

     @RemoveInstrumentation

     public void println(long l) {

             print(l);

             println();

     }

     @RemoveInstrumentation

     public void setExiting() {

             exiting = true;

     }

     public MBeanNotificationInfo[] getNotificationInfo() {

                 MBeanNotificationInfo[] not = new MBeanNotificationInfo[1];

                 not[0] = new MBeanNotificationInfo(new String[]{OUTPUT}, 

                                 Notification.class.getClass().getName(), "Emitted Something is written to console.");

                 return not;

         }

     private void send(String text) {

                 Notification not = new Notification(OUTPUT, Notification.class.getClass().getName(), 

                                 sequence++, text);

                 if(proxy != null) {

                         proxy.send(not);

                 }

         }

 }