/*
 * #%L
 * xcode-maven-plugin
 * %%
 * Copyright (C) 2012 SAP AG
 * %%
 * 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.
 * #L%
 */
package com.sap.prd.mobile.ios.mios;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.logging.ErrorManager;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugin.logging.SystemStreamLog;


public class XCodePluginLogger extends Logger
{
  private Log log = new SystemStreamLog();
  
  private final static Collection<Level> DEBUG_LEVELS = Collections.unmodifiableCollection(Arrays.asList(Level.ALL,
        Level.FINEST, Level.FINER, Level.FINE, Level.CONFIG));

  public XCodePluginLogger()
  {
    super(getLoggerName(), null);
    setUseParentHandlers(false);

    for(Handler h : getHandlers()) {
      super.removeHandler(h);
    }

    addHandler(new Handler() {

      @Override
      public void close() throws SecurityException
      {
      }

      @Override
      public void flush()
      {
      }

      @Override
      public boolean isLoggable(LogRecord record)
      {
        if(DEBUG_LEVELS.contains(record.getLevel()))
        {
          return log.isDebugEnabled();
        }

        return super.isLoggable(record);
      }

      @Override
      public void publish(LogRecord record)
      {
        final Level level = record.getLevel();

        if(DEBUG_LEVELS.contains(level))
        {
          if(record.getThrown() == null)
          {
            log.debug(record.getMessage());
          } 
          else
          { 
            log.debug(record.getMessage(), record.getThrown());
          }
        } 
        else if(level == Level.INFO)
        {
          if(record.getThrown() == null)
          {
            log.info(record.getMessage());
          }
          else 
          {
            log.info(record.getMessage(), record.getThrown());
          }
        }
        else if(level == Level.WARNING) 
        {
          if(record.getThrown() == null)
          {
            log.warn(record.getMessage());
          }
          else 
          {
            log.warn(record.getMessage(), record.getThrown());
          }
        }
        else if(level == Level.SEVERE) 
        {
          if(record.getThrown() == null)
          {
            log.error(record.getMessage());
          }
          else 
          {
            log.error(record.getMessage(), record.getThrown());
          }
        }
        else
          getErrorManager().error("Cannot handle log message with level '" + record.getLevel() + "'.", null, ErrorManager.GENERIC_FAILURE);
      }
    });
  }

  @Override
  public synchronized void removeHandler(Handler handler) throws SecurityException
  {
    throw new UnsupportedOperationException();
  }
  
  public void setLog(Log log) {

    if(log == null)
      throw new NullPointerException();

    this.log = log;
  }
  
  public final static String getLoggerName() {
    return XCodePluginLogger.class.getPackage().getName();
  }
}

@@ -3105,32 +3105,42 @@
  %7D%0A        else%0A
+        %7B%0A
           getErr
@@ -3271,177 +3271,34 @@
     
-  %7D%0A
     %7D
-);
 %0A  
-%7D%0A%0A  @Override%0A  public synchronized void removeHandler(Handler handler) throws SecurityException%0A  %7B%0A    throw new UnsupportedOperationException(
+    %7D%0A    %7D
 );%0A  %7D%0A
-  
 %0A  p

Fix NPE when cause == null.