package org.apache.maven.shared.io.location;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.

  */

 import java.net.URL;

 import org.apache.maven.shared.io.logging.MessageHolder;

 public class ClasspathResourceLocatorStrategy

     implements LocatorStrategy

 {

     private String tempFilePrefix = "location.";

     private String tempFileSuffix = ".cpurl";

     private boolean tempFileDeleteOnExit = true;

     public ClasspathResourceLocatorStrategy()

     {

     }

     public ClasspathResourceLocatorStrategy( String tempFilePrefix, String tempFileSuffix, boolean tempFileDeleteOnExit )

     {

         this.tempFilePrefix = tempFilePrefix;

         this.tempFileSuffix = tempFileSuffix;

         this.tempFileDeleteOnExit = tempFileDeleteOnExit;

     }

     public Location resolve( String locationSpecification, MessageHolder messageHolder )

     {

         ClassLoader cloader = Thread.currentThread().getContextClassLoader();

         URL resource = cloader.getResource( locationSpecification );

         Location location = null;

         if ( resource != null )

         {

             location = new URLLocation( resource, locationSpecification, tempFilePrefix, tempFileSuffix,

                                         tempFileDeleteOnExit );

         }

         else

         {

             messageHolder.addMessage( "Failed to resolve classpath resource: " + locationSpecification

                 + " from classloader: " + cloader );

         }

         return location;

     }

 }