1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.journal.util;
21  
22  import com.liferay.portal.kernel.util.ByteArrayMaker;
23  import com.liferay.portal.kernel.util.GetterUtil;
24  import com.liferay.portal.kernel.util.LocaleUtil;
25  import com.liferay.portal.kernel.util.StringPool;
26  import com.liferay.portal.model.Company;
27  import com.liferay.portal.security.permission.PermissionThreadLocal;
28  import com.liferay.portal.service.CompanyLocalServiceUtil;
29  import com.liferay.portal.util.ContentUtil;
30  import com.liferay.portal.util.PropsValues;
31  import com.liferay.portal.velocity.VelocityResourceListener;
32  import com.liferay.util.PwdGenerator;
33  
34  import java.io.StringReader;
35  
36  import java.util.Locale;
37  import java.util.Map;
38  
39  import javax.xml.transform.Transformer;
40  import javax.xml.transform.TransformerFactory;
41  import javax.xml.transform.stream.StreamResult;
42  import javax.xml.transform.stream.StreamSource;
43  
44  /**
45   * <a href="JournalXslUtil.java.html"><b><i>View Source</i></b></a>
46   *
47   * @author Alexander Chow
48   * @author Raymond Augé
49   *
50   */
51  public class JournalXslUtil {
52  
53      public static String transform(
54              Map<String, String> tokens, String languageId, String xml,
55              String script)
56          throws Exception {
57  
58          ByteArrayMaker bam = new ByteArrayMaker();
59  
60          long companyId = GetterUtil.getLong(tokens.get("company_id"));
61          Company company = CompanyLocalServiceUtil.getCompanyById(companyId);
62          long groupId = GetterUtil.getLong(tokens.get("group_id"));
63          String journalTemplatesPath =
64              VelocityResourceListener.JOURNAL_SEPARATOR + StringPool.SLASH +
65                  companyId + StringPool.SLASH + groupId;
66          String randomNamespace =
67              PwdGenerator.getPassword(PwdGenerator.KEY3, 4) +
68                  StringPool.UNDERLINE;
69          Locale locale = LocaleUtil.fromLanguageId(languageId);
70  
71          JournalXslErrorListener errorListener = new JournalXslErrorListener(
72              companyId, locale);
73  
74          StreamSource xmlSource = new StreamSource(new StringReader(xml));
75  
76          TransformerFactory transformerFactory =
77              TransformerFactory.newInstance();
78  
79          transformerFactory.setURIResolver(new URIResolver(tokens, languageId));
80          transformerFactory.setErrorListener(errorListener);
81  
82          try {
83              StreamSource scriptSource = new StreamSource(
84                  new StringReader(script));
85  
86              Transformer transformer = transformerFactory.newTransformer(
87                  scriptSource);
88  
89              transformer.setParameter("company", company);
90              transformer.setParameter("companyId", new Long(companyId));
91              transformer.setParameter("groupId", String.valueOf(groupId));
92              transformer.setParameter(
93                  "journalTemplatesPath", journalTemplatesPath);
94              transformer.setParameter("locale", locale);
95              transformer.setParameter(
96                  "permissionChecker",
97                  PermissionThreadLocal.getPermissionChecker());
98              transformer.setParameter("randomNamespace", randomNamespace);
99  
100             transformer.transform(xmlSource, new StreamResult(bam));
101         }
102         catch (Exception e1) {
103             String errorTemplate = ContentUtil.get(
104                 PropsValues.JOURNAL_ERROR_TEMPLATE_XSL);
105 
106             StreamSource scriptSource = new StreamSource(
107                 new StringReader(errorTemplate));
108 
109             Transformer transformer = transformerFactory.newTransformer(
110                 scriptSource);
111 
112             transformer.setParameter("company", company);
113             transformer.setParameter("companyId", new Long(companyId));
114             transformer.setParameter("groupId", String.valueOf(groupId));
115             transformer.setParameter(
116                 "journalTemplatesPath", journalTemplatesPath);
117             transformer.setParameter("locale", locale);
118             transformer.setParameter("randomNamespace", randomNamespace);
119 
120             transformer.setParameter(
121                 "exception", errorListener.getMessageAndLocation());
122             transformer.setParameter("script", script);
123 
124             if (errorListener.getLocation() != null) {
125                 transformer.setParameter(
126                     "column", new Integer(errorListener.getColumnNumber()));
127                 transformer.setParameter(
128                     "line", new Integer(errorListener.getLineNumber()));
129             }
130 
131             transformer.transform(xmlSource, new StreamResult(bam));
132         }
133 
134         return bam.toString(StringPool.UTF8);
135     }
136 
137 }