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1 package com.opensymphony.module.sitemesh.html;
2
3 public abstract class BasicRule implements TagRule {
4
5 private final String[] acceptableTagNames;
6
7 protected HTMLProcessorContext context;
8
9 protected BasicRule(String[] acceptableTagNames) {
10 this.acceptableTagNames = acceptableTagNames;
11 }
12
13 protected BasicRule(String acceptableTagName) {
14 this.acceptableTagNames = new String[] {acceptableTagName};
15 }
16
17 protected BasicRule() {
18 this.acceptableTagNames = null;
19 }
20
21 public void setContext(HTMLProcessorContext context) {
22 this.context = context;
23 }
24
25 public boolean shouldProcess(String name) {
26 if (acceptableTagNames == null || acceptableTagNames.length < 1) {
27 throw new UnsupportedOperationException(getClass().getName()
28 + " should be constructed with acceptableTagNames OR should implement shouldProcess()");
29 }
30
31 for (int i=0; i<acceptableTagNames.length; i++) {
32 if (name.toLowerCase().equals(acceptableTagNames[i])) return true;
33 }
34 return false;
35 }
36
37 public abstract void process(Tag tag);
38
39 }