/*
    * 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;
  
  import java.io.File;
  
  import org.springframework.beans.factory.FactoryBean;
  import org.springframework.core.io.Resource;
  import org.springframework.util.Assert;
  
  /** Retrieve an OS File from the given resource. */
  public class OsFileFactoryBean implements FactoryBean<String> {
  	private ExecutionResources executionResources;
  	private Resource resource;
  	private Boolean overwrite = false;
  
  	/** Return an existing file on the file system. */
  	public String getObject() throws Exception {
  		Assert.notNull(executionResources, "executionResources is null");
  		Assert.notNull(resource, "resource is null");
  		return executionResources.getAsOsPath(resource, overwrite);
  	}
  
  	/** Return {@link Object} because CGLIB is unable to proxy {@link File}. */
  	public Class<? extends Object> getObjectType() {
  		return CharSequence.class;
  	}
  
  	public boolean isSingleton() {
  		return false;
  	}
  
  	/** The execution resources object. */
  	public void setExecutionResources(ExecutionResources executionResources) {
  		this.executionResources = executionResources;
  	}
  
  	/** The resource to access. */
  	public void setResource(Resource resource) {
  		this.resource = resource;
  	}
  
  	/**
  	 * Whether to overwrite the resource if it already exists. Default is
  	 * <code>false</code>.
  	 */
  	public void setOverwrite(Boolean overwrite) {
  		this.overwrite = overwrite;
  	}
  
  }