/*
    * Copyright (C) 2007-2012 Argeo GmbH
    *
    * 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.
   */
  package org.argeo.slc.core.execution.tasks;
  
  import java.io.File;
  import java.io.IOException;
  
  import org.apache.commons.io.FileUtils;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.argeo.slc.SlcException;
  import org.springframework.core.io.Resource;
  
  public class Echo implements Runnable {
  	private final static Log defaultLog = LogFactory.getLog(Echo.class);
  	private Resource writeTo = null;
  
  	private Log log;
  	private Object message;
  
  	public void run() {
  		log().info(message);
  
  		if (writeTo != null) {
  			try {
  				File file = writeTo.getFile();
  				if (log().isDebugEnabled())
  					log().debug("Write to " + file);
  				if (message != null)
  					FileUtils.writeStringToFile(file, message.toString());
  			} catch (IOException e) {
  				throw new SlcException("Could not write to " + writeTo, e);
  			}
  		}
  	}
  
  	private Log log() {
  		return log != null ? log : defaultLog;
  	}
  
  	public void setMessage(Object message) {
  		this.message = message;
  	}
  
  	public void setWriteTo(Resource writeTo) {
  		this.writeTo = writeTo;
  	}
  
  }