1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.transaction.file;
18
19 import java.io.UnsupportedEncodingException;
20 import java.net.URLEncoder;
21
22 import org.apache.commons.codec.binary.Base64;
23
24 /**
25 * URL encodes a resource.
26 *
27 * @version $Id: URLEncodeIdMapper.java 493628 2007-01-07 01:42:48Z joerg $
28 * @since 1.1
29 */
30 public class URLEncodeIdMapper implements ResourceIdToPathMapper {
31 public String getPathForId(Object resourceId) {
32 String path = resourceId.toString();
33 try {
34 // XXX weired replacement for the fine JDK1.4 URLEncoder.encode(path, "UTF-8")
35 // method
36 // using this combination as a simple URLEncoder.encode without
37 // charset may fail depending on local settings
38 // for this reason the string will be encoded into base64 consisting
39 // of ascii characters only
40 // a further URL encoding is need as base64 might contain '/' which
41 // might be a problem for some file systems
42 path = new String(Base64.encodeBase64(path.getBytes("UTF-8")), "ASCII");
43 path = URLEncoder.encode(path);
44 } catch (UnsupportedEncodingException e) {
45 // we know this will not happen
46 }
47 return path;
48 }
49 }