| ThemeLoaderVelocityResourceListener.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.velocity;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.theme.ThemeLoader;
28 import com.liferay.portal.theme.ThemeLoaderFactory;
29
30 import java.io.FileInputStream;
31 import java.io.FileNotFoundException;
32 import java.io.InputStream;
33
34 import org.apache.velocity.exception.ResourceNotFoundException;
35
36 /**
37 * <a href="ThemeLoaderVelocityResourceListener.java.html"><b><i>View Source</i>
38 * </b></a>
39 *
40 * @author Brian Wing Shun Chan
41 */
42 public class ThemeLoaderVelocityResourceListener
43 extends VelocityResourceListener {
44
45 public InputStream getResourceStream(String source)
46 throws ResourceNotFoundException {
47
48 InputStream is = null;
49
50 try {
51 int pos = source.indexOf(THEME_LOADER_SEPARATOR);
52
53 if (pos != -1) {
54 String ctxName = source.substring(0, pos);
55
56 ThemeLoader themeLoader = ThemeLoaderFactory.getThemeLoader(
57 ctxName);
58
59 if (themeLoader != null) {
60 String name =
61 source.substring(pos + THEME_LOADER_SEPARATOR.length());
62
63 String themesPath = themeLoader.getThemesPath();
64
65 if (name.startsWith(themesPath)) {
66 name = name.substring(
67 themesPath.length(), name.length());
68 }
69
70 if (_log.isDebugEnabled()) {
71 _log.debug(
72 name + " is associated with the theme loader " +
73 ctxName + " " + themeLoader);
74 }
75
76 is = new FileInputStream(
77 themeLoader.getFileStorage().getPath() + name);
78 }
79 else {
80 _log.error(
81 source + " is not valid because " + ctxName +
82 " does not map to a theme loader");
83 }
84 }
85 }
86 catch (FileNotFoundException fnfe) {
87 throw new ResourceNotFoundException(source);
88 }
89
90 return is;
91 }
92
93 private static Log _log =
94 LogFactoryUtil.getLog(ThemeLoaderVelocityResourceListener.class);
95
96 }