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

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  *

  * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.

  */

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

 import com.sun.xml.internal.fastinfoset.QualifiedName;

 import com.sun.xml.internal.fastinfoset.CommonResourceBundle;

 public class LocalNameQualifiedNamesMap extends KeyIntMap {

     private LocalNameQualifiedNamesMap _readOnlyMap;

     private int _index;

     public static class Entry {

         final String _key;

         final int _hash;

         public QualifiedName[] _value;

         public int _valueIndex;

         Entry _next;

         public Entry(String key, int hash, Entry next) {

             _key = key;

             _hash = hash;

             _next = next;

             _value = new QualifiedName[1];

         }

         public void addQualifiedName(QualifiedName name) {

             if (_valueIndex < _value.length) {

                 _value[_valueIndex++] = name;

             } else if (_valueIndex == _value.length) {

                 QualifiedName[] newValue = new QualifiedName[_valueIndex * 3 / 2 + 1];

                 System.arraycopy(_value, 0, newValue, 0, _valueIndex);

                 _value = newValue;

                 _value[_valueIndex++] = name;

             }

         }

     }

     private Entry[] _table;

     public LocalNameQualifiedNamesMap(int initialCapacity, float loadFactor) {

         super(initialCapacity, loadFactor);

         _table = new Entry[_capacity];

     }

     public LocalNameQualifiedNamesMap(int initialCapacity) {

         this(initialCapacity, DEFAULT_LOAD_FACTOR);

     }

     public LocalNameQualifiedNamesMap() {

         this(DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR);

     }

     public final void clear() {

         for (int i = 0; i < _table.length; i++) {

             _table[i] = null;

         }

         _size = 0;

         if (_readOnlyMap != null) {

             _index = _readOnlyMap.getIndex();

         } else {

             _index = 0;

         }

     }

     public final void setReadOnlyMap(KeyIntMap readOnlyMap, boolean clear) {

         if (!(readOnlyMap instanceof LocalNameQualifiedNamesMap)) {

             throw new IllegalArgumentException(CommonResourceBundle.getInstance().

                     getString("message.illegalClass", new Object[]{readOnlyMap}));

         }

         setReadOnlyMap((LocalNameQualifiedNamesMap)readOnlyMap, clear);

     }

     public final void setReadOnlyMap(LocalNameQualifiedNamesMap readOnlyMap, boolean clear) {

         _readOnlyMap = readOnlyMap;

         if (_readOnlyMap != null) {

             _readOnlyMapSize = _readOnlyMap.size();

             _index = _readOnlyMap.getIndex();

             if (clear) {

                 clear();

             }

         }  else {

             _readOnlyMapSize = 0;

             _index = 0;

         }

     }

     public final boolean isQNameFromReadOnlyMap(QualifiedName name) {

         return (_readOnlyMap != null && name.index <= _readOnlyMap.getIndex());

     }

     public final int getNextIndex() {

         return _index++;

     }

     public final int getIndex() {

         return _index;

     }

     public final Entry obtainEntry(String key) {

         final int hash = hashHash(key.hashCode());

         if (_readOnlyMap != null) {

             final Entry entry = _readOnlyMap.getEntry(key, hash);

             if (entry != null) {

                 return entry;

             }

         }

         final int tableIndex = indexFor(hash, _table.length);

         for (Entry e = _table[tableIndex]; e != null; e = e._next) {

             if (e._hash == hash && eq(key, e._key)) {

                 return e;

             }

         }

         return addEntry(key, hash, tableIndex);

     }

     public final Entry obtainDynamicEntry(String key) {

         final int hash = hashHash(key.hashCode());

         final int tableIndex = indexFor(hash, _table.length);

         for (Entry e = _table[tableIndex]; e != null; e = e._next) {

             if (e._hash == hash && eq(key, e._key)) {

                 return e;

             }

         }

         return addEntry(key, hash, tableIndex);

     }

     private final Entry getEntry(String key, int hash) {

         if (_readOnlyMap != null) {

             final Entry entry = _readOnlyMap.getEntry(key, hash);

             if (entry != null) {

                 return entry;

             }

         }

         final int tableIndex = indexFor(hash, _table.length);

         for (Entry e = _table[tableIndex]; e != null; e = e._next) {

             if (e._hash == hash && eq(key, e._key)) {

                 return e;

             }

         }

         return null;

     }

     private final Entry addEntry(String key, int hash, int bucketIndex) {

         Entry e = _table[bucketIndex];

         _table[bucketIndex] = new Entry(key, hash, e);

         e = _table[bucketIndex];

         if (_size++ >= _threshold) {

             resize(2 * _table.length);

         }

         return e;

     }

     private final void resize(int newCapacity) {

         _capacity = newCapacity;

         Entry[] oldTable = _table;

         int oldCapacity = oldTable.length;

         if (oldCapacity == MAXIMUM_CAPACITY) {

             _threshold = Integer.MAX_VALUE;

             return;

         }

         Entry[] newTable = new Entry[_capacity];

         transfer(newTable);

         _table = newTable;

         _threshold = (int)(_capacity * _loadFactor);

     }

     private final void transfer(Entry[] newTable) {

         Entry[] src = _table;

         int newCapacity = newTable.length;

         for (int j = 0; j < src.length; j++) {

             Entry e = src[j];

             if (e != null) {

                 src[j] = null;

                 do {

                     Entry next = e._next;

                     int i = indexFor(e._hash, newCapacity);

                     e._next = newTable[i];

                     newTable[i] = e;

                     e = next;

                 } while (e != null);

             }

         }

     }

     private final boolean eq(String x, String y) {

         return x == y || x.equals(y);

     }

 }