-
Notifications
You must be signed in to change notification settings - Fork 0
/
STViewRenderer.java
91 lines (80 loc) · 3.31 KB
/
STViewRenderer.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
/*
* Copyright (c)2013 Florin T.Pătraşcu
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ca.simplegames.micro.viewers.st;
import ca.simplegames.micro.MicroContext;
import ca.simplegames.micro.SiteContext;
import ca.simplegames.micro.repositories.Repository;
import ca.simplegames.micro.utils.CollectionUtils;
import ca.simplegames.micro.utils.IO;
import ca.simplegames.micro.viewers.ViewException;
import ca.simplegames.micro.viewers.ViewRenderer;
import org.stringtemplate.v4.ST;
import java.io.FileNotFoundException;
import java.io.StringReader;
import java.io.Writer;
import java.util.Map;
/**
* Simple StringTemplate view renderer.
* <p/>
* If you learn more about the StringTemplate, visit their site:
* - http://www.antlr.org/wiki/display/ST4/StringTemplate+4+Wiki+Home
*
* @author <a href="mailto:florin.patrascu@gmail.com">Florin T.PATRASCU</a>
* @since $Revision$ (created: 2013-02-03 7:42 PM)
*/
public class STViewRenderer implements ViewRenderer {
public static final String NAME = "st";
private char delimiterStartChar = '<';
private char delimiterStopChar = '>';
@Override
public long render(String path, Repository repository, MicroContext context, Writer out) throws FileNotFoundException, ViewException {
if (repository != null && out != null) {
try {
String source = repository.read(path);
ST st = new ST(source, delimiterStartChar, delimiterStopChar);
//todo: Think! Should I use: st.write( ...)??
if (!CollectionUtils.isEmpty(context.getMap())) {
for (Map.Entry<String, Object> entry : ((Map<String, Object>) context.getMap()).entrySet()) {
if (!entry.getKey().equalsIgnoreCase("rack.logger")) {
st.add(entry.getKey(), entry.getValue());
}
}
}
return IO.copy(new StringReader(st.render()), out);
} catch (FileNotFoundException e) {
throw new FileNotFoundException(String.format("%s not found.", path));
} catch (Exception e) {
throw new ViewException(e.getMessage());
}
}
return 0;
}
@Override
@SuppressWarnings("unchecked")
public void loadConfiguration(SiteContext site, Map<String, Object> configuration) throws Exception {
if (configuration != null) {
String delimiters = (String) configuration.get("delimiters");
if (delimiters != null && delimiters.length() > 0) {
delimiterStartChar = delimiters.charAt(0);
delimiterStopChar = delimiters.length() > 1 ? delimiters.charAt(1) : delimiterStartChar;
}
}
}
@Override
public String getName() {
return NAME;
}
}