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: XUnresolvedVariableSimple.java 468643 2006-10-28 06:56:03Z minchau $ 209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpackage org.apache.xalan.templates; 229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.Expression; 249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.XPathContext; 259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.objects.XObject; 269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/** 299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * This is the same as XUnresolvedVariable, but it assumes that the 309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * context is already set up. For use with psuedo variables. 319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Also, it holds an Expression object, instead of an ElemVariable. 329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * It must only hold static context, since a single copy will be 339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * held in the template. 349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpublic class XUnresolvedVariableSimple extends XObject 369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson{ 379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson static final long serialVersionUID = -1224413807443958985L; 389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XUnresolvedVariableSimple(ElemVariable obj) 399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson super(obj); 419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * For support of literal objects in xpaths. 469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param xctxt The XPath execution context. 489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return This object. 509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException 529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException 549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson Expression expr = ((ElemVariable)m_obj).getSelect().getExpression(); 569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XObject xobj = expr.execute(xctxt); 579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson xobj.allowDetachToRelease(false); 589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return xobj; 599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Tell what kind of class this is. 639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return CLASS_UNRESOLVEDVARIABLE 659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public int getType() 679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return CLASS_UNRESOLVEDVARIABLE; 699f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 709f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 719f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 729f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Given a request type, return the equivalent string. 739f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * For diagnostic purposes. 749f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 759f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return An informational string. 769f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 779f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public String getTypeString() 789f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 799f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return "XUnresolvedVariableSimple (" + object().getClass().getName() + ")"; 809f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 819f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 829f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 839f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson} 849f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 85