1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.org.apache.xpath.internal.jaxp; 27 28 import com.sun.org.apache.xalan.internal.res.XSLMessages; 29 import com.sun.org.apache.xalan.internal.utils.FactoryImpl; 30 import com.sun.org.apache.xalan.internal.utils.FeatureManager; 31 import com.sun.org.apache.xml.internal.dtm.DTM; 32 import com.sun.org.apache.xpath.internal.objects.XObject; 33 import com.sun.org.apache.xpath.internal.res.XPATHErrorResources; 34 import java.io.IOException; 35 import javax.xml.namespace.QName; 36 import javax.xml.parsers.DocumentBuilderFactory; 37 import javax.xml.parsers.ParserConfigurationException; 38 import javax.xml.transform.TransformerException; 39 import javax.xml.xpath.XPathConstants; 40 import javax.xml.xpath.XPathEvaluationResult; 41 import javax.xml.xpath.XPathExpressionException; 42 import javax.xml.xpath.XPathFunctionResolver; 43 import javax.xml.xpath.XPathNodes; 44 import javax.xml.xpath.XPathVariableResolver; 45 import org.w3c.dom.Document; 46 import org.w3c.dom.Node; 47 import org.w3c.dom.traversal.NodeIterator; 48 import org.xml.sax.InputSource; 49 import org.xml.sax.SAXException; 50 51 /** 52 * This class contains several utility methods used by XPathImpl and 53 * XPathExpressionImpl 54 */ 55 class XPathImplUtil { 56 XPathFunctionResolver functionResolver; 57 XPathVariableResolver variableResolver; 58 JAXPPrefixResolver prefixResolver; 59 boolean useServiceMechanism = true; 60 // By default Extension Functions are allowed in XPath Expressions. If 61 // Secure Processing Feature is set on XPathFactory then the invocation of 62 // extensions function need to throw XPathFunctionException 63 boolean featureSecureProcessing = false; 64 FeatureManager featureManager; 65 66 /** 67 * Evaluate an XPath context using the internal XPath engine 68 * @param contextItem The XPath context 69 * @param xpath The internal XPath engine 70 * @return an XObject 71 * @throws javax.xml.transform.TransformerException If the expression cannot be evaluated. 72 */ 73 XObject eval(Object contextItem, com.sun.org.apache.xpath.internal.XPath xpath) 74 throws javax.xml.transform.TransformerException { 75 com.sun.org.apache.xpath.internal.XPathContext xpathSupport; 76 if (functionResolver != null) { 77 JAXPExtensionsProvider jep = new JAXPExtensionsProvider( 78 functionResolver, featureSecureProcessing, featureManager); 79 xpathSupport = new com.sun.org.apache.xpath.internal.XPathContext(jep); 80 } else { 81 xpathSupport = new com.sun.org.apache.xpath.internal.XPathContext(); 82 } 83 84 xpathSupport.setVarStack(new JAXPVariableStack(variableResolver)); | 1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.org.apache.xpath.internal.jaxp; 27 28 import com.sun.org.apache.xalan.internal.res.XSLMessages; 29 import com.sun.org.apache.xalan.internal.utils.FactoryImpl; 30 import com.sun.org.apache.xml.internal.dtm.DTM; 31 import com.sun.org.apache.xpath.internal.objects.XObject; 32 import com.sun.org.apache.xpath.internal.res.XPATHErrorResources; 33 import java.io.IOException; 34 import javax.xml.namespace.QName; 35 import javax.xml.parsers.DocumentBuilderFactory; 36 import javax.xml.parsers.ParserConfigurationException; 37 import javax.xml.transform.TransformerException; 38 import javax.xml.xpath.XPathConstants; 39 import javax.xml.xpath.XPathEvaluationResult; 40 import javax.xml.xpath.XPathExpressionException; 41 import javax.xml.xpath.XPathFunctionResolver; 42 import javax.xml.xpath.XPathNodes; 43 import javax.xml.xpath.XPathVariableResolver; 44 import jdk.xml.internal.JdkXmlFeatures; 45 import org.w3c.dom.Document; 46 import org.w3c.dom.Node; 47 import org.w3c.dom.traversal.NodeIterator; 48 import org.xml.sax.InputSource; 49 import org.xml.sax.SAXException; 50 51 /** 52 * This class contains several utility methods used by XPathImpl and 53 * XPathExpressionImpl 54 */ 55 class XPathImplUtil { 56 XPathFunctionResolver functionResolver; 57 XPathVariableResolver variableResolver; 58 JAXPPrefixResolver prefixResolver; 59 boolean useServiceMechanism = true; 60 // By default Extension Functions are allowed in XPath Expressions. If 61 // Secure Processing Feature is set on XPathFactory then the invocation of 62 // extensions function need to throw XPathFunctionException 63 boolean featureSecureProcessing = false; 64 JdkXmlFeatures featureManager; 65 66 /** 67 * Evaluate an XPath context using the internal XPath engine 68 * @param contextItem The XPath context 69 * @param xpath The internal XPath engine 70 * @return an XObject 71 * @throws javax.xml.transform.TransformerException If the expression cannot be evaluated. 72 */ 73 XObject eval(Object contextItem, com.sun.org.apache.xpath.internal.XPath xpath) 74 throws javax.xml.transform.TransformerException { 75 com.sun.org.apache.xpath.internal.XPathContext xpathSupport; 76 if (functionResolver != null) { 77 JAXPExtensionsProvider jep = new JAXPExtensionsProvider( 78 functionResolver, featureSecureProcessing, featureManager); 79 xpathSupport = new com.sun.org.apache.xpath.internal.XPathContext(jep); 80 } else { 81 xpathSupport = new com.sun.org.apache.xpath.internal.XPathContext(); 82 } 83 84 xpathSupport.setVarStack(new JAXPVariableStack(variableResolver)); |