19f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 29f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Licensed to the Apache Software Foundation (ASF) under one 39f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * or more contributor license agreements. See the NOTICE file 49f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed with this work for additional information 59f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * regarding copyright ownership. The ASF licenses this file 69f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * to you under the Apache License, Version 2.0 (the "License"); 79f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * you may not use this file except in compliance with the License. 89f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * You may obtain a copy of the License at 99f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Unless required by applicable law or agreed to in writing, software 139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * See the License for the specific language governing permissions and 169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * limitations under the License. 179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * $Id: FuncNormalizeSpace.java 468655 2006-10-28 07:12:06Z minchau $ 209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpackage org.apache.xpath.functions; 229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.dtm.DTM; 249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.utils.XMLString; 259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.XPathContext; 269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.objects.XObject; 279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.objects.XString; 289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.xml.sax.ContentHandler; 299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/** 319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Execute the normalize-space() function. 329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @xsl.usage advanced 339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpublic class FuncNormalizeSpace extends FunctionDef1Arg 359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson{ 369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson static final long serialVersionUID = -3377956872032190880L; 379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Execute the function. The function must return 409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * a valid object. 419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param xctxt The current execution context. 429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return A valid XObject. 439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException 459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException 479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XMLString s1 = getArg0AsString(xctxt); 499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return (XString)s1.fixWhiteSpace(true, true, false); 519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Execute an expression in the XPath runtime context, and return the 559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * result of the expression. 569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param xctxt The XPath runtime context. 599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return The result of the expression in the form of a <code>XObject</code>. 619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException if a runtime exception 639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * occurs. 649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public void executeCharsToContentHandler(XPathContext xctxt, 669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson ContentHandler handler) 679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson throws javax.xml.transform.TransformerException, 689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson org.xml.sax.SAXException 699f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 709f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if(Arg0IsNodesetExpr()) 719f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 729f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int node = getArg0AsNode(xctxt); 739f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if(DTM.NULL != node) 749f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 759f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson DTM dtm = xctxt.getDTM(node); 769f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson dtm.dispatchCharactersEvents(node, handler, true); 779f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 789f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 799f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson else 809f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 819f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XObject obj = execute(xctxt); 829f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson obj.dispatchCharactersEvents(handler); 839f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 849f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 859f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 869f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson} 87