| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /* |
| * $Id: FuncNormalizeSpace.java 468655 2006-10-28 07:12:06Z minchau $ |
| */ |
| package org.apache.xpath.functions; |
| |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xml.utils.XMLString; |
| import org.apache.xpath.XPathContext; |
| import org.apache.xpath.objects.XObject; |
| import org.apache.xpath.objects.XString; |
| import org.xml.sax.ContentHandler; |
| |
| /** |
| * Execute the normalize-space() function. |
| * @xsl.usage advanced |
| */ |
| public class FuncNormalizeSpace extends FunctionDef1Arg |
| { |
| static final long serialVersionUID = -3377956872032190880L; |
| |
| /** |
| * Execute the function. The function must return |
| * a valid object. |
| * @param xctxt The current execution context. |
| * @return A valid XObject. |
| * |
| * @throws javax.xml.transform.TransformerException |
| */ |
| public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException |
| { |
| XMLString s1 = getArg0AsString(xctxt); |
| |
| return (XString)s1.fixWhiteSpace(true, true, false); |
| } |
| |
| /** |
| * Execute an expression in the XPath runtime context, and return the |
| * result of the expression. |
| * |
| * |
| * @param xctxt The XPath runtime context. |
| * |
| * @return The result of the expression in the form of a <code>XObject</code>. |
| * |
| * @throws javax.xml.transform.TransformerException if a runtime exception |
| * occurs. |
| */ |
| public void executeCharsToContentHandler(XPathContext xctxt, |
| ContentHandler handler) |
| throws javax.xml.transform.TransformerException, |
| org.xml.sax.SAXException |
| { |
| if(Arg0IsNodesetExpr()) |
| { |
| int node = getArg0AsNode(xctxt); |
| if(DTM.NULL != node) |
| { |
| DTM dtm = xctxt.getDTM(node); |
| dtm.dispatchCharactersEvents(node, handler, true); |
| } |
| } |
| else |
| { |
| XObject obj = execute(xctxt); |
| obj.dispatchCharactersEvents(handler); |
| } |
| } |
| |
| } |