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1
52
53 package freemarker.core;
54
55 import java.io.IOException  ;
56 import java.util.ArrayList ;
57 import freemarker.template.*;
58
59 final class AttemptBlock extends TemplateElement {
60
61 private TemplateElement attemptBlock, recoveryBlock;
62
63 AttemptBlock(TemplateElement attemptBlock, TemplateElement recoveryBlock) {
64 this.attemptBlock = attemptBlock;
65 this.recoveryBlock = recoveryBlock;
66 nestedElements = new ArrayList ();
67 nestedElements.add(attemptBlock);
68 nestedElements.add(recoveryBlock);
69 }
70
71 void accept(Environment env) throws TemplateException, IOException
72 {
73 env.visit(attemptBlock, recoveryBlock);
74 }
75
76 public String getCanonicalForm() {
77 StringBuffer buf = new StringBuffer ("<#attempt>");
78 if (attemptBlock != null) {
79 buf.append(attemptBlock.getCanonicalForm());
80 }
81 if (recoveryBlock != null) {
82 buf.append(recoveryBlock.getCanonicalForm());
83 }
84 return buf.toString();
85 }
86
87 public String getDescription() {
88 return "attempt block";
89 }
90 }
91 |
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