1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Copyright 2001-2004 The Apache Software Foundation. 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 /* 21 * $Id: NamespaceUriCall.java,v 1.2.4.1 2005/09/02 10:25:26 pvedula Exp $ 22 */ 23 24 package com.sun.org.apache.xalan.internal.xsltc.compiler; 25 26 import java.util.Vector; 27 28 import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen; 29 import com.sun.org.apache.bcel.internal.generic.INVOKEINTERFACE; 30 import com.sun.org.apache.bcel.internal.generic.InstructionList; 31 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator; 32 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator; 33 34 /** 35 * @author Morten Jorgensen 36 */ 37 final class NamespaceUriCall extends NameBase { 38 39 /** 40 * Handles calls with no parameter (current node is implicit parameter). 41 */ NamespaceUriCall(QName fname)42 public NamespaceUriCall(QName fname) { 43 super(fname); 44 } 45 46 /** 47 * Handles calls with one parameter (either node or node-set). 48 */ NamespaceUriCall(QName fname, Vector arguments)49 public NamespaceUriCall(QName fname, Vector arguments) { 50 super(fname, arguments); 51 } 52 53 /** 54 * Translate code that leaves a node's namespace URI (as a String) 55 * on the stack 56 */ translate(ClassGenerator classGen, MethodGenerator methodGen)57 public void translate(ClassGenerator classGen, 58 MethodGenerator methodGen) { 59 final ConstantPoolGen cpg = classGen.getConstantPool(); 60 final InstructionList il = methodGen.getInstructionList(); 61 62 // Returns the string value for a node in the DOM 63 final int getNamespace = cpg.addInterfaceMethodref(DOM_INTF, 64 "getNamespaceName", 65 "(I)"+STRING_SIG); 66 super.translate(classGen, methodGen); 67 il.append(new INVOKEINTERFACE(getNamespace, 2)); 68 } 69 } 70