jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/stream/buffer/AttributesHolder.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 2005, 2012, 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  */

    26 package com.sun.xml.internal.stream.buffer;

    28 import org.xml.sax.Attributes;

    30 /**

    31  * Class for holding attributes.

    32  *

    33  * Since it implements {@link Attributes}, this class follows the SAX convention

    34  * of using "" instead of null.

    35  */

    36 @SuppressWarnings({"PointlessArithmeticExpression"})

    37 public final class AttributesHolder implements Attributes {

    38     private static final int DEFAULT_CAPACITY = 8;

    39     private static final int ITEM_SIZE = 1 << 3;

    41     private static final int PREFIX     = 0;

    42     private static final int URI        = 1;

    43     private static final int LOCAL_NAME = 2;

    44     private static final int QNAME      = 3;

    45     private static final int TYPE       = 4;

    46     private static final int VALUE      = 5;

    48     private int _attributeCount;

    50     private String[] _strings;

    52     public AttributesHolder() {

    53         _strings = new String[DEFAULT_CAPACITY * ITEM_SIZE];

    54     }

    56     public final int getLength() {

    57         return _attributeCount;

    58     }

    60     public final String getPrefix(int index) {

    61         return (index >= 0 && index < _attributeCount) ?

    62             _strings[(index << 3) + PREFIX] : null;

    63     }

    65     public final String getLocalName(int index) {

    66         return (index >= 0 && index < _attributeCount) ?

    67             _strings[(index << 3) + LOCAL_NAME] : null;

    68     }

    70     public final String getQName(int index) {

    71         return (index >= 0 && index < _attributeCount) ?

    72             _strings[(index << 3) + QNAME] : null;

    73     }

    75     public final String getType(int index) {

    76         return (index >= 0 && index < _attributeCount) ?

    77             _strings[(index << 3) + TYPE] : null;

    78     }

    80     public final String getURI(int index) {

    81         return (index >= 0 && index < _attributeCount) ?

    82             _strings[(index << 3) + URI] : null;

    83     }

    85     public final String getValue(int index) {

    86         return (index >= 0 && index < _attributeCount) ?

    87             _strings[(index << 3) + VALUE] : null;

    88     }

    90     public final int getIndex(String qName) {

    91         for (int i = 0; i < _attributeCount; i++) {

    92             if (qName.equals(_strings[(i << 3) + QNAME])) {

    93                 return i;

    94             }

    95         }

    96         return -1;

    97     }

    99     public final String getType(String qName) {

   100         final int i = (getIndex(qName) << 3) + TYPE;

   101         return (i >= 0) ? _strings[i] : null;

   102     }

   104     public final String getValue(String qName) {

   105         final int i = (getIndex(qName) << 3) + VALUE;

   106         return (i >= 0) ? _strings[i] : null;

   107     }

   109     public final int getIndex(String uri, String localName) {

   110         for (int i = 0; i < _attributeCount; i++) {

   111             if (localName.equals(_strings[(i << 3) + LOCAL_NAME]) &&

   112                 uri.equals(_strings[(i << 3) + URI])) {

   113                 return i;

   114             }

   115         }

   116         return -1;

   117     }

   119     public final String getType(String uri, String localName) {

   120         final int i = (getIndex(uri, localName) << 3) + TYPE;

   121         return (i >= 0) ? _strings[i] : null;

   122     }

   124     public final String getValue(String uri, String localName) {

   125         final int i = (getIndex(uri, localName) << 3) + VALUE;

   126         return (i >= 0) ? _strings[i] : null;

   127     }

   129     public final void clear() {

   130         if (_attributeCount > 0) {

   131             for (int i = 0; i < _attributeCount; i++) {

   132                 _strings[(i << 3) + VALUE] = null;

   133             }

   134             _attributeCount = 0;

   135         }

   136     }

   139     /**

   140      * Add an attribute using a qualified name that contains the

   141      * prefix and local name.

   142      *

   143      * @param uri

   144      *      This can be empty but not null, just like everywhere else in SAX.

   145      */

   146     public final void addAttributeWithQName(String uri, String localName, String qName, String type, String value) {

   147         final int i = _attributeCount << 3;

   148         if (i == _strings.length) {

   149             resize(i);

   150         }

   152         _strings[i + PREFIX] = null;

   153         _strings[i + URI] = uri;

   154         _strings[i + LOCAL_NAME] = localName;

   155         _strings[i + QNAME] = qName;

   156         _strings[i + TYPE] = type;

   157         _strings[i + VALUE] = value;

   159         _attributeCount++;

   160     }

   162     /**

   163      * Add an attribute using a prefix.

   164      *

   165      * @param prefix

   166      *      This can be empty but not null, just like everywhere else in SAX.

   167      * @param uri

   168      *      This can be empty but not null, just like everywhere else in SAX.

   169      */

   170     public final void addAttributeWithPrefix(String prefix, String uri, String localName, String type, String value) {

   171         final int i = _attributeCount << 3;

   172         if (i == _strings.length) {

   173             resize(i);

   174         }

   176         _strings[i + PREFIX] = prefix;

   177         _strings[i + URI] = uri;

   178         _strings[i + LOCAL_NAME] = localName;

   179         _strings[i + QNAME] = null;

   180         _strings[i + TYPE] = type;

   181         _strings[i + VALUE] = value;

   183         _attributeCount++;

   184     }

   186     private void resize(int length) {

   187         final int newLength = length * 2;

   188         final String[] strings = new String[newLength];

   189         System.arraycopy(_strings, 0, strings, 0, length);

   190         _strings = strings;

   191     }

   193 }

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