01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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
43: .getBytes("UTF-8")), "ASCII");
44: path = URLEncoder.encode(path);
45: } catch (UnsupportedEncodingException e) {
46: // we know this will not happen
47: }
48: return path;
49: }
50: }
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