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
33package com.jme3.asset.plugins;
34
35import com.jme3.asset.AssetInfo;
36import com.jme3.asset.AssetKey;
37import com.jme3.asset.AssetLocator;
38import com.jme3.asset.AssetManager;
39import java.io.FileNotFoundException;
40import java.io.IOException;
41import java.net.MalformedURLException;
42import java.net.URL;
43import java.util.logging.Level;
44import 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 */
52public 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