01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.taglib.string;
18:
19: import org.xml.sax.SAXException;
20:
21: /**
22: * @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a>
23: * @version CVS $Id: StringTagSupport.java 433543 2006-08-22 06:22:54Z crossley $
24: */
25: public abstract class StringTagSupport extends TextRecordingTag {
26: /**
27: * Perform an operation on the passed in String.
28: *
29: * @param str String to be manipulated
30: *
31: * @return String result of operation upon passed in String
32: */
33: abstract protected String changeString(String str);
34:
35: /*
36: * @see Tag#doEndTag(String, String, String)
37: */
38: public int doEndTag(String namespaceURI, String localName,
39: String qName) throws SAXException {
40: String text = changeString(getText());
41:
42: if (var != null) {
43: setVariable(var, text);
44: } else {
45: char[] charArray = text.toCharArray();
46: this .xmlConsumer.characters(charArray, 0, charArray.length);
47: }
48:
49: return EVAL_PAGE;
50: }
51: }
|