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1 package com.opensymphony.webwork.views.freemarker.tags;
2
3 import com.opensymphony.webwork.components.Component;
4 import freemarker.template.TemplateModelException;
5 import freemarker.template.TransformControl;
6
7 import java.io.IOException  ;
8 import java.io.Writer ;
9
10
15 public class CallbackWriter extends Writer implements TransformControl {
16 private Component bean;
17 private Writer writer;
18
19 public CallbackWriter(Component bean, Writer writer) {
20 this.bean = bean;
21 this.writer = writer;
22 }
23
24 public void close() throws IOException {
25 }
26
27 public void flush() throws IOException {
28 writer.flush();
29 }
30
31 public void write(char cbuf[], int off, int len) throws IOException {
32 writer.write(cbuf, off, len);
33 }
34
35 public int onStart() throws TemplateModelException, IOException {
36 return EVALUATE_BODY;
37 }
38
39 public int afterBody() throws TemplateModelException, IOException {
40 bean.end(this);
41
42 return END_EVALUATION;
43 }
44
45 public void onError(Throwable throwable) throws Throwable {
46 throw throwable;
47 }
48
49 public Component getBean() {
50 return bean;
51 }
52 }
53 |
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