1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.xalan.internal.xsltc.compiler; 23 24 import java.util.Vector; 25 26 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen; 27 import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE; 28 import com.sun.org.apache.bcel.internal.generic.InstructionList; 29 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 30 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 31 32 /** 33 * @author Morten Jorgensen 34 */ 35 final class NamespaceUriCall extends NameBase { 36 37 /** 38 * Handles calls with no parameter (current node is implicit parameter). 39 */ 40 public NamespaceUriCall(QName fname) { 41 super(fname); 42 } 43 44 /** 45 * Handles calls with one parameter (either node or node-set). 46 */ 47 public NamespaceUriCall(QName fname, Vector arguments) { 48 super(fname, arguments); 49 } 50 51 /** 52 * Translate code that leaves a node's namespace URI (as a String) 53 * on the stack 54 */ 55 public void translate(ClassGenerator classGen, 56 MethodGenerator methodGen) { 57 final ConstantPoolGen cpg = classGen.getConstantPool(); 58 final InstructionList il = methodGen.getInstructionList(); 59 60 // Returns the string value for a node in the DOM 61 final int getNamespace = cpg.addInterfaceMethodref(DOM_INTF, 62 "getNamespaceName", 63 "(I)"+STRING_SIG); 64 super.translate(classGen, methodGen); 65 il.append(new INVOKEINTERFACE(getNamespace, 2)); 66 } 67 }