1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id: ElemApplyImport.java 468643 2006-10-28 06:56:03Z minchau $ 20 */ 21 package org.apache.xalan.templates; 22 23 import javax.xml.transform.TransformerException; 24 25 import org.apache.xalan.res.XSLTErrorResources; 26 import org.apache.xalan.transformer.TransformerImpl; 27 import org.apache.xml.dtm.DTM; 28 29 /** 30 * Implement xsl:apply-imports. 31 * <pre> 32 * <!ELEMENT xsl:apply-imports EMPTY> 33 * </pre> 34 * @see <a href="http://www.w3.org/TR/xslt#apply-imports">apply-imports in XSLT Specification</a> 35 * @xsl.usage advanced 36 */ 37 public class ElemApplyImport extends ElemTemplateElement 38 { 39 static final long serialVersionUID = 3764728663373024038L; 40 41 /** 42 * Get an int constant identifying the type of element. 43 * @see org.apache.xalan.templates.Constants 44 * 45 * @return Token ID for xsl:apply-imports element types 46 */ getXSLToken()47 public int getXSLToken() 48 { 49 return Constants.ELEMNAME_APPLY_IMPORTS; 50 } 51 52 /** 53 * Return the node name. 54 * 55 * @return Element name 56 */ getNodeName()57 public String getNodeName() 58 { 59 return Constants.ELEMNAME_APPLY_IMPORTS_STRING; 60 } 61 62 /** 63 * Execute the xsl:apply-imports transformation. 64 * 65 * @param transformer non-null reference to the the current transform-time state. 66 * 67 * @throws TransformerException 68 */ execute( TransformerImpl transformer)69 public void execute( 70 TransformerImpl transformer) 71 throws TransformerException 72 { 73 74 if (transformer.currentTemplateRuleIsNull()) 75 { 76 transformer.getMsgMgr().error(this, 77 XSLTErrorResources.ER_NO_APPLY_IMPORT_IN_FOR_EACH); //"xsl:apply-imports not allowed in a xsl:for-each"); 78 } 79 80 int sourceNode = transformer.getXPathContext().getCurrentNode(); 81 if (DTM.NULL != sourceNode) 82 { 83 // supply the current templated (matched, not named) 84 ElemTemplate matchTemplate = transformer.getMatchedTemplate(); 85 transformer.applyTemplateToNode(this, matchTemplate, sourceNode); 86 } 87 else // if(null == sourceNode) 88 { 89 transformer.getMsgMgr().error(this, 90 XSLTErrorResources.ER_NULL_SOURCENODE_APPLYIMPORTS); //"sourceNode is null in xsl:apply-imports!"); 91 } 92 } 93 94 /** 95 * Add a child to the child list. 96 * <!ELEMENT xsl:apply-imports EMPTY> 97 * 98 * @param newChild New element to append to this element's children list 99 * 100 * @return null, xsl:apply-Imports cannot have children 101 */ appendChild(ElemTemplateElement newChild)102 public ElemTemplateElement appendChild(ElemTemplateElement newChild) 103 { 104 105 error(XSLTErrorResources.ER_CANNOT_ADD, 106 new Object[]{ newChild.getNodeName(), 107 this.getNodeName() }); //"Can not add " +((ElemTemplateElement)newChild).m_elemName + 108 109 //" to " + this.m_elemName); 110 return null; 111 } 112 } 113