01: /*
02: * Copyright 1999-2004 The Apache Software Foundation.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: /*
17: * $Id: FuncStartsWith.java,v 1.9 2004/08/17 19:25:36 jycli Exp $
18: */
19: package org.apache.xpath.functions;
20:
21: import org.apache.xpath.XPathContext;
22: import org.apache.xpath.objects.XBoolean;
23: import org.apache.xpath.objects.XObject;
24:
25: /**
26: * Execute the StartsWith() function.
27: * @xsl.usage advanced
28: */
29: public class FuncStartsWith extends Function2Args {
30: static final long serialVersionUID = 2194585774699567928L;
31:
32: /**
33: * Execute the function. The function must return
34: * a valid object.
35: * @param xctxt The current execution context.
36: * @return A valid XObject.
37: *
38: * @throws javax.xml.transform.TransformerException
39: */
40: public XObject execute(XPathContext xctxt)
41: throws javax.xml.transform.TransformerException {
42: return m_arg0.execute(xctxt).xstr().startsWith(
43: m_arg1.execute(xctxt).xstr()) ? XBoolean.S_TRUE
44: : XBoolean.S_FALSE;
45: }
46: }
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