1
2
3
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5
6
7 package org.asyrinx.joey.gen.core;
8
9 import java.util.Collection;
10 import java.util.HashSet;
11 import java.util.Iterator;
12 import java.util.Map;
13 import java.util.Set;
14
15 import org.apache.velocity.context.Context;
16 import org.asyrinx.joey.gen.velocity.VelocityUtils;
17
18 /***
19 * @author takeshi
20 */
21 public class VelocityHelper {
22
23 /***
24 *
25 */
26 public VelocityHelper(Context context) {
27 super();
28 this.context = context;
29 }
30
31 private final Context context;
32
33 public Object newInstance(String className) {
34 try {
35 return Class.forName(className).newInstance();
36 } catch (Exception e) {
37 return null;
38 }
39 }
40
41 public Set toSet(Collection collection) {
42 final Set result = new HashSet();
43 for (Iterator i = collection.iterator(); i.hasNext();)
44 result.add(i.next());
45 return result;
46 }
47
48 public Object put(String key, Object value) {
49 return context.put(key, value);
50 }
51
52 public String debugContext() {
53 final StringBuffer result = new StringBuffer();
54 result.append("hashCode=").append(this.context.hashCode()).append("\n");
55 final Map map = VelocityUtils.toMap(this.context);
56 for (Iterator i = map.entrySet().iterator(); i.hasNext();) {
57 final Map.Entry entry = (Map.Entry) i.next();
58 result.append(entry.getKey()).append("=").append(entry.getValue()).append("\n");
59 }
60 return result.toString();
61 }
62
63 }