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.template.instruction;
18:
19: import java.util.Stack;
20:
21: import org.apache.cocoon.template.environment.ParsingContext;
22: import org.apache.cocoon.template.script.event.StartElement;
23: import org.xml.sax.Attributes;
24: import org.xml.sax.Locator;
25: import org.xml.sax.SAXException;
26: import org.xml.sax.SAXParseException;
27:
28: /**
29: * @version SVN $Id: Parameter.java 449189 2006-09-23 06:52:29Z crossley $
30: */
31: public class Parameter extends Instruction {
32: final String name;
33: final String optional;
34: private final String defaultValue;
35:
36: public Parameter(ParsingContext parsingContext, StartElement raw,
37: Attributes attrs, Stack stack) throws SAXException {
38:
39: super (raw);
40:
41: Locator locator = getLocation();
42: if (stack.size() == 0 || !(stack.peek() instanceof Define)) {
43: throw new SAXParseException("<parameter> not allowed here",
44: locator, null);
45: } else {
46: this .name = attrs.getValue("name");
47: this .optional = attrs.getValue("optional");
48: this .defaultValue = attrs.getValue("default");
49: if (this .name == null) {
50: throw new SAXParseException(
51: "parameter: \"name\" is required", locator,
52: null);
53: }
54: }
55: }
56:
57: public String getDefaultValue() {
58: return defaultValue;
59: }
60: }
|