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.freemarker;
24  
25  import com.liferay.portal.kernel.io.unsync.UnsyncStringWriter;
26  import com.liferay.portal.kernel.util.StringPool;
27  
28  import freemarker.cache.ClassTemplateLoader;
29  
30  import freemarker.template.Configuration;
31  import freemarker.template.DefaultObjectWrapper;
32  import freemarker.template.Template;
33  
34  import java.io.Writer;
35  
36  /**
37   * <a href="FreeMarkerUtil.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Tariq Dweik
40   * @author Brian Wing Shun Chan
41   */
42  public class FreeMarkerUtil {
43  
44      public static String process(String name, Object context)
45          throws Exception {
46  
47          UnsyncStringWriter unsyncStringWriter = new UnsyncStringWriter(true);
48  
49          process(name, context, unsyncStringWriter);
50  
51          return unsyncStringWriter.toString();
52      }
53  
54      public static void process(String name, Object context, Writer writer)
55          throws Exception {
56  
57          Template template = _getConfiguration().getTemplate(name);
58  
59          template.process(context, writer);
60      }
61  
62      private static Configuration _getConfiguration() {
63          if (_configuration != null) {
64              return _configuration;
65          }
66  
67          _configuration = new Configuration();
68  
69          _configuration.setObjectWrapper(new DefaultObjectWrapper());
70          _configuration.setTemplateLoader(
71              new ClassTemplateLoader(FreeMarkerUtil.class, StringPool.SLASH));
72  
73          return _configuration;
74      }
75  
76      private static Configuration _configuration;
77  
78  }