/**
    * Copyright 2010-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.util.execute;
  
  import java.util.Arrays;
  import java.util.List;
  
  import org.kuali.common.util.Assert;
  import org.kuali.common.util.FileSystemUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class CopyFilesExecutable implements Executable {
  
  	private static final Logger logger = LoggerFactory.getLogger(CopyFilesExecutable.class);
  
  	boolean skip;
  	List<CopyFileRequest> requests;
  
  	// Filled in during execution
  	List<CopyFileResult> results;
  
  	public CopyFilesExecutable() {
  		this(null, false);
  	}
  
  	public CopyFilesExecutable(CopyFileRequest request) {
  		this(Arrays.asList(request), false);
  	}
  
  	public CopyFilesExecutable(List<CopyFileRequest> requests) {
  		this(requests, false);
  	}
  
  	public CopyFilesExecutable(List<CopyFileRequest> requests, boolean skip) {
  		super();
  		this.requests = requests;
  		this.skip = skip;
  	}
  
  	@Override
  	public void execute() {
  
  		// Might be nothing to do
  		if (skip) {
  			return;
  		}
  
  		// Make sure we are configured correctly
  		Assert.notNull(requests, "requests is null");
  
  		// Show how many files we are copying
  		logger.info("Copying {} files", requests.size());
  
  		// Perform the file system copy
  		List<CopyFileResult> results = FileSystemUtils.copyFiles(requests);
  
  		// Store the results in our internal member variable
  		this.results = results;
  	}
  
  	/**
  	 * Expose the copy results via a getter
  	 */
  	public List<CopyFileResult> getResults() {
  		return results;
  	}
  
  	public List<CopyFileRequest> getRequests() {
  		return requests;
  	}
  
  	public void setRequests(List<CopyFileRequest> requests) {
  		this.requests = requests;
  	}
  
  	public boolean isSkip() {
  		return skip;
  	}
  
  	public void setSkip(boolean skip) {
  		this.skip = skip;
  	}
  
  }