1 /*
2  * Copyright (C) 2009 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package signature.io.html;
18 
19 import java.io.InputStream;
20 import java.io.InputStreamReader;
21 
22 import org.antlr.stringtemplate.StringTemplate;
23 import org.antlr.stringtemplate.StringTemplateGroup;
24 import org.antlr.stringtemplate.language.DefaultTemplateLexer;
25 
26 public class TemplateStore {
27 
28     private static StringTemplateGroup group = initialize();
29 
30 
initialize()31     private static StringTemplateGroup initialize() {
32         InputStream modelStream = TemplateStore.class.getClassLoader()
33                 .getResourceAsStream("model/model.stg");
34         InputStreamReader modelReader = new InputStreamReader(modelStream);
35         StringTemplateGroup modelGroup = new StringTemplateGroup(modelReader,
36                 DefaultTemplateLexer.class);
37 
38         InputStream stream = TemplateStore.class.getClassLoader()
39                 .getResourceAsStream("delta/deltas.stg");
40         InputStreamReader reader = new InputStreamReader(stream);
41         StringTemplateGroup deltaGroup = new StringTemplateGroup(reader,
42                 DefaultTemplateLexer.class);
43 
44         StringTemplateGroup group = new StringTemplateGroup("signature", null,
45                 DefaultTemplateLexer.class);
46         group.setSuperGroup(deltaGroup);
47 
48         deltaGroup.setSuperGroup(modelGroup);
49         return group;
50     }
51 
TemplateStore()52     private TemplateStore() {/* no instances allowed */
53     }
54 
getStringTemplate(String name)55     public static StringTemplate getStringTemplate(String name) {
56         return group.getInstanceOf(name);
57     }
58 }
59