| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.sun.org.apache.xerces.internal.util; |
| |
| |
| import java.util.Collections; |
| import java.util.Enumeration; |
| import java.util.List; |
| import java.util.TreeSet; |
| import java.util.Vector; |
| |
| import javax.xml.XMLConstants; |
| |
| import com.sun.org.apache.xerces.internal.xni.NamespaceContext; |
| |
| /** |
| * <p>A read-only XNI wrapper around a JAXP NamespaceContext.</p> |
| * |
| * @author Michael Glavassevich, IBM |
| * |
| * @version $Id: JAXPNamespaceContextWrapper.java,v 1.2 2010-10-26 23:01:13 joehw Exp $ |
| */ |
| public final class JAXPNamespaceContextWrapper implements NamespaceContext { |
| |
| private javax.xml.namespace.NamespaceContext fNamespaceContext; |
| private SymbolTable fSymbolTable; |
| private List fPrefixes; |
| private final Vector fAllPrefixes = new Vector(); |
| |
| private int[] fContext = new int[8]; |
| private int fCurrentContext; |
| |
| public JAXPNamespaceContextWrapper(SymbolTable symbolTable) { |
| setSymbolTable(symbolTable); |
| } |
| |
| public void setNamespaceContext(javax.xml.namespace.NamespaceContext context) { |
| fNamespaceContext = context; |
| } |
| |
| public javax.xml.namespace.NamespaceContext getNamespaceContext() { |
| return fNamespaceContext; |
| } |
| |
| public void setSymbolTable(SymbolTable symbolTable) { |
| fSymbolTable = symbolTable; |
| } |
| |
| public SymbolTable getSymbolTable() { |
| return fSymbolTable; |
| } |
| |
| public void setDeclaredPrefixes(List prefixes) { |
| fPrefixes = prefixes; |
| } |
| |
| public List getDeclaredPrefixes() { |
| return fPrefixes; |
| } |
| |
| /* |
| * NamespaceContext methods |
| */ |
| |
| public String getURI(String prefix) { |
| if (fNamespaceContext != null) { |
| String uri = fNamespaceContext.getNamespaceURI(prefix); |
| if (uri != null && !XMLConstants.NULL_NS_URI.equals(uri)) { |
| return (fSymbolTable != null) ? fSymbolTable.addSymbol(uri) : uri.intern(); |
| } |
| } |
| return null; |
| } |
| |
| public String getPrefix(String uri) { |
| if (fNamespaceContext != null) { |
| if (uri == null) { |
| uri = XMLConstants.NULL_NS_URI; |
| } |
| String prefix = fNamespaceContext.getPrefix(uri); |
| if (prefix == null) { |
| prefix = XMLConstants.DEFAULT_NS_PREFIX; |
| } |
| return (fSymbolTable != null) ? fSymbolTable.addSymbol(prefix) : prefix.intern(); |
| } |
| return null; |
| } |
| |
| public Enumeration getAllPrefixes() { |
| // There may be duplicate prefixes in the list so we |
| // first transfer them to a set to ensure uniqueness. |
| return Collections.enumeration(new TreeSet(fAllPrefixes)); |
| } |
| |
| public void pushContext() { |
| // extend the array, if necessary |
| if (fCurrentContext + 1 == fContext.length) { |
| int[] contextarray = new int[fContext.length * 2]; |
| System.arraycopy(fContext, 0, contextarray, 0, fContext.length); |
| fContext = contextarray; |
| } |
| // push context |
| fContext[++fCurrentContext] = fAllPrefixes.size(); |
| if (fPrefixes != null) { |
| fAllPrefixes.addAll(fPrefixes); |
| } |
| } |
| |
| public void popContext() { |
| fAllPrefixes.setSize(fContext[fCurrentContext--]); |
| } |
| |
| public boolean declarePrefix(String prefix, String uri) { |
| return true; |
| } |
| |
| public int getDeclaredPrefixCount() { |
| return (fPrefixes != null) ? fPrefixes.size() : 0; |
| } |
| |
| public String getDeclaredPrefixAt(int index) { |
| return (String) fPrefixes.get(index); |
| } |
| |
| public void reset() { |
| fCurrentContext = 0; |
| fContext[fCurrentContext] = 0; |
| fAllPrefixes.clear(); |
| } |
| |
| } // JAXPNamespaceContextWrapper |