Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

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  *

  * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.

  */

 package com.sun.xml.internal.fastinfoset.util;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 import javax.xml.namespace.NamespaceContext;

 /**

  *

  * @author Paul.Sandoz@Sun.Com

  */

 final public class NamespaceContextImplementation implements NamespaceContext {

     private static int DEFAULT_SIZE = 8;

     private String[] prefixes = new String[DEFAULT_SIZE];

     private String[] namespaceURIs = new String[DEFAULT_SIZE];

     private int namespacePosition;

     private int[] contexts = new int[DEFAULT_SIZE];

     private int contextPosition;

     private int currentContext;

     public NamespaceContextImplementation() {

         prefixes[0] = "xml";

         namespaceURIs[0] = "http://www.w3.org/XML/1998/namespace";

         prefixes[1] = "xmlns";

         namespaceURIs[1] = "http://www.w3.org/2000/xmlns/";

         currentContext = namespacePosition = 2;

     }

     public String getNamespaceURI(String prefix) {

         if (prefix == null) throw new IllegalArgumentException();

 //        prefix = prefix.intern();

         for (int i = namespacePosition - 1; i >= 0; i--) {

             final String declaredPrefix = prefixes[i];

             if (declaredPrefix.equals(prefix)) {

                 return namespaceURIs[i];

             }

         }

         return "";

     }

     public String getPrefix(String namespaceURI) {

         if (namespaceURI == null) throw new IllegalArgumentException();

         // namespaceURI = namespaceURI.intern();

         for (int i = namespacePosition - 1; i >= 0; i--) {

             final String declaredNamespaceURI = namespaceURIs[i];

             if (declaredNamespaceURI.equals(namespaceURI)) {

                 final String declaredPrefix = prefixes[i];

                 // Check if prefix is out of scope

                 boolean isOutOfScope = false;

                 for (int j = i + 1; j < namespacePosition; j++)

                     if (declaredPrefix.equals(prefixes[j])) {

                         isOutOfScope = true;

                         break;

                     }

                 if (!isOutOfScope) {

                     return declaredPrefix;

                 }

             }

         }

         return null;

     }

     public String getNonDefaultPrefix(String namespaceURI) {

         if (namespaceURI == null) throw new IllegalArgumentException();

         // namespaceURI = namespaceURI.intern();

         for (int i = namespacePosition - 1; i >= 0; i--) {

             final String declaredNamespaceURI = namespaceURIs[i];

             if (declaredNamespaceURI.equals(namespaceURI) &&

                 prefixes[i].length() > 0){

                 final String declaredPrefix = prefixes[i];

                 // Check if prefix is out of scope

                 for (++i; i < namespacePosition; i++)

                     if (declaredPrefix.equals(prefixes[i]))

                         return null;

                 return declaredPrefix;

             }

         }

         return null;

     }

     public Iterator getPrefixes(String namespaceURI) {

         if (namespaceURI == null) throw new IllegalArgumentException();

         // namespaceURI = namespaceURI.intern();

         List l = new ArrayList();

         NAMESPACE_LOOP: for (int i = namespacePosition - 1; i >= 0; i--) {

             final String declaredNamespaceURI = namespaceURIs[i];

             if (declaredNamespaceURI.equals(namespaceURI)) {

                 final String declaredPrefix = prefixes[i];

                 // Check if prefix is out of scope

                 for (int j = i + 1; j < namespacePosition; j++)

                     if (declaredPrefix.equals(prefixes[j]))

                         continue NAMESPACE_LOOP;

                 l.add(declaredPrefix);

             }

         }

         return l.iterator();

     }

     public String getPrefix(int index) {

         return prefixes[index];

     }

     public String getNamespaceURI(int index) {

         return namespaceURIs[index];

     }

     public int getCurrentContextStartIndex() {

         return currentContext;

     }

     public int getCurrentContextEndIndex() {

         return namespacePosition;

     }

     public boolean isCurrentContextEmpty() {

         return currentContext == namespacePosition;

     }

     public void declarePrefix(String prefix, String namespaceURI) {

         prefix = prefix.intern();

         namespaceURI = namespaceURI.intern();

         // Ignore the "xml" or "xmlns" declarations

         if (prefix == "xml" || prefix == "xmlns")

             return;

         // Replace any previous declaration

         for (int i = currentContext; i < namespacePosition; i++) {

             final String declaredPrefix = prefixes[i];

             if (declaredPrefix == prefix) {

                 prefixes[i] = prefix;

                 namespaceURIs[i] = namespaceURI;

                 return;

             }

         }

         if (namespacePosition == namespaceURIs.length)

             resizeNamespaces();

         // Add new declaration

         prefixes[namespacePosition] = prefix;

         namespaceURIs[namespacePosition++] = namespaceURI;

     }

     private void resizeNamespaces() {

         final int newLength = namespaceURIs.length * 3 / 2 + 1;

         String[] newPrefixes = new String[newLength];

         System.arraycopy(prefixes, 0, newPrefixes, 0, prefixes.length);

         prefixes = newPrefixes;

         String[] newNamespaceURIs = new String[newLength];

         System.arraycopy(namespaceURIs, 0, newNamespaceURIs, 0, namespaceURIs.length);

         namespaceURIs = newNamespaceURIs;

     }

     public void pushContext() {

         if (contextPosition == contexts.length)

             resizeContexts();

         contexts[contextPosition++] = currentContext = namespacePosition;

     }

     private void resizeContexts() {

         int[] newContexts = new int[contexts.length * 3 / 2 + 1];

         System.arraycopy(contexts, 0, newContexts, 0, contexts.length);

         contexts = newContexts;

     }

     public void popContext() {

         if (contextPosition > 0) {

             namespacePosition = currentContext = contexts[--contextPosition];

         }

     }

     public void reset() {

         currentContext = namespacePosition = 2;

     }

 }