/*
    * 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.deploy;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.util.Map;
  
  import org.apache.commons.io.FileUtils;
  import org.apache.commons.io.IOUtils;
  import org.argeo.slc.SlcException;
  import org.springframework.core.io.Resource;
  
  public class LocalFilesDeployment implements Runnable {
  	private String targetBase = "";
  	private ResourceSet resourceSet;
  
  	public LocalFilesDeployment() {
  	}
  
  	public LocalFilesDeployment(ResourceSet resourceSet) {
  		this.resourceSet = resourceSet;
  	}
  
  	public void run() {
  		Map<String, Resource> resources = resourceSet.listResources();
  		for (String relPath : resources.keySet()) {
  			File targetFile = new File(targetBase + File.separator + relPath);
  			File parentDir = targetFile.getParentFile();
  			if (!parentDir.exists())
  				parentDir.mkdirs();
  
  			Resource resource = resources.get(relPath);
  
  			InputStream in = null;
  			OutputStream out = null;
  			try {
  				in = resource.getInputStream();
  				out = FileUtils.openOutputStream(targetFile);
  				IOUtils.copy(in, out);
  			} catch (IOException e) {
  				throw new SlcException("Cannot extract " + resource + " to "
  						+ targetFile, e);
  			} finally {
  				IOUtils.closeQuietly(in);
  				IOUtils.closeQuietly(out);
  			}
  		}
  	}
  
  	public void setTargetBase(String targetBase) {
  		this.targetBase = targetBase;
  	}
  
  	public void setResourceSet(ResourceSet resourceSet) {
  		this.resourceSet = resourceSet;
  	}
  
  }