/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * 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.acegisecurity.util;

 import org.springframework.core.io.AbstractResource;

 import java.io.ByteArrayInputStream;

 import java.io.IOException;

 import java.io.InputStream;

 /**

  * An in memory implementation of Spring's {@link org.springframework.core.io.Resource} interface.

  * <p>Used by the "Acegifier" web application to create a bean factory from an XML string, rather than a file.</p>

  *

  * @author Luke Taylor

  * @version $Id: InMemoryResource.java 1784 2007-02-24 21:00:24Z luke_t $

  */

 public class InMemoryResource extends AbstractResource {

     //~ Instance fields ================================================================================================

     private ByteArrayInputStream in;

     private String description;

     //~ Constructors ===================================================================================================

     public InMemoryResource(byte[] source) {

         this(source, null);

     }

     public InMemoryResource(byte[] source, String description) {

         in = new ByteArrayInputStream(source);

         this.description = description;

     }

     //~ Methods ========================================================================================================

     public String getDescription() {

         return (description == null) ? in.toString() : description;

     }

     public InputStream getInputStream() throws IOException {

         return in;

     }

 }