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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 package com.jme3.asset.plugins;
     34 
     35 import com.jme3.asset.AssetInfo;
     36 import com.jme3.asset.AssetKey;
     37 import com.jme3.asset.AssetLocator;
     38 import com.jme3.asset.AssetManager;
     39 import java.io.FileNotFoundException;
     40 import java.io.IOException;
     41 import java.net.MalformedURLException;
     42 import java.net.URL;
     43 import java.util.logging.Level;
     44 import java.util.logging.Logger;
     45 
     46 /**
     47  * <code>UrlLocator</code> is a locator that combines a root URL
     48  * and the given path in the AssetKey to construct a new URL
     49  * that allows locating the asset.
     50  * @author Kirill Vainer
     51  */
     52 public class UrlLocator implements AssetLocator {
     53 
     54     private static final Logger logger = Logger.getLogger(UrlLocator.class.getName());
     55     private URL root;
     56 
     57     public void setRootPath(String rootPath) {
     58         try {
     59             this.root = new URL(rootPath);
     60         } catch (MalformedURLException ex) {
     61             throw new IllegalArgumentException("Invalid rootUrl specified", ex);
     62         }
     63     }
     64 
     65     public AssetInfo locate(AssetManager manager, AssetKey key) {
     66         String name = key.getName();
     67         try{
     68             //TODO: remove workaround for SDK
     69 //            URL url = new URL(root, name);
     70             if(name.startsWith("/")){
     71                 name = name.substring(1);
     72             }
     73             URL url = new URL(root.toExternalForm() + name);
     74             return UrlAssetInfo.create(manager, key, url);
     75         }catch (FileNotFoundException e){
     76             return null;
     77         }catch (IOException ex){
     78             logger.log(Level.WARNING, "Error while locating " + name, ex);
     79             return null;
     80         }
     81     }
     82 
     83 
     84 }
     85