src/share/jaxws_classes/com/sun/xml/internal/fastinfoset/util/CharArray.java

changeset 0
373ffda63c9a
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/fastinfoset/util/CharArray.java	Wed Apr 27 01:27:09 2016 +0800
     1.3 @@ -0,0 +1,158 @@
     1.4 +/*
     1.5 + * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + *
    1.28 + * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
    1.29 + */
    1.30 +
    1.31 +package com.sun.xml.internal.fastinfoset.util;
    1.32 +
    1.33 +public class CharArray implements CharSequence {
    1.34 +    public char[] ch;
    1.35 +    public int start;
    1.36 +    public int length;
    1.37 +
    1.38 +    protected int _hash;
    1.39 +
    1.40 +    protected CharArray() {
    1.41 +    }
    1.42 +
    1.43 +    public CharArray(char[] _ch, int _start, int _length, boolean copy) {
    1.44 +        set(_ch, _start, _length, copy);
    1.45 +    }
    1.46 +
    1.47 +    public final void set(char[] _ch, int _start, int _length, boolean copy) {
    1.48 +        if (copy) {
    1.49 +            ch = new char[_length];
    1.50 +            start = 0;
    1.51 +            length = _length;
    1.52 +            System.arraycopy(_ch, _start, ch, 0, _length);
    1.53 +        } else {
    1.54 +            ch = _ch;
    1.55 +            start = _start;
    1.56 +            length = _length;
    1.57 +        }
    1.58 +        _hash = 0;
    1.59 +    }
    1.60 +
    1.61 +    public final void cloneArray() {
    1.62 +        char[] _ch = new char[length];
    1.63 +        System.arraycopy(ch, start, _ch, 0, length);
    1.64 +        ch = _ch;
    1.65 +        start = 0;
    1.66 +    }
    1.67 +
    1.68 +    public String toString() {
    1.69 +        return new String(ch, start, length);
    1.70 +    }
    1.71 +
    1.72 +    public int hashCode() {
    1.73 +        if (_hash == 0) {
    1.74 +            // Same hash code algorithm as used for String
    1.75 +            // s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s[n-1]
    1.76 +            for (int i = start; i < start + length; i++) {
    1.77 +                _hash = 31*_hash + ch[i];
    1.78 +            }
    1.79 +        }
    1.80 +        return _hash;
    1.81 +    }
    1.82 +
    1.83 +    public static final int hashCode(char[] ch, int start, int length) {
    1.84 +        // Same hash code algorithm as used for String
    1.85 +        // s[0]*31^(n-1) + s[1]*31^(n-2) + ... + s[n-1]
    1.86 +        int hash = 0;
    1.87 +        for (int i = start; i < start + length; i++) {
    1.88 +            hash = 31*hash + ch[i];
    1.89 +        }
    1.90 +
    1.91 +        return hash;
    1.92 +    }
    1.93 +
    1.94 +    public final boolean equalsCharArray(CharArray cha) {
    1.95 +        if (this == cha) {
    1.96 +            return true;
    1.97 +        }
    1.98 +
    1.99 +        if (length == cha.length) {
   1.100 +            int n = length;
   1.101 +            int i = start;
   1.102 +            int j = cha.start;
   1.103 +            while (n-- != 0) {
   1.104 +                if (ch[i++] != cha.ch[j++])
   1.105 +                    return false;
   1.106 +            }
   1.107 +            return true;
   1.108 +        }
   1.109 +
   1.110 +        return false;
   1.111 +    }
   1.112 +
   1.113 +    public final boolean equalsCharArray(char[] ch, int start, int length) {
   1.114 +        if (this.length == length) {
   1.115 +            int n = this.length;
   1.116 +            int i = this.start;
   1.117 +            int j = start;
   1.118 +            while (n-- != 0) {
   1.119 +                if (this.ch[i++] != ch[j++])
   1.120 +                    return false;
   1.121 +            }
   1.122 +            return true;
   1.123 +        }
   1.124 +
   1.125 +        return false;
   1.126 +    }
   1.127 +
   1.128 +    public boolean equals(Object obj) {
   1.129 +        if (this == obj) {
   1.130 +            return true;
   1.131 +        }
   1.132 +        if (obj instanceof CharArray) {
   1.133 +            CharArray cha = (CharArray)obj;
   1.134 +            if (length == cha.length) {
   1.135 +                int n = length;
   1.136 +                int i = start;
   1.137 +                int j = cha.start;
   1.138 +                while (n-- != 0) {
   1.139 +                    if (ch[i++] != cha.ch[j++])
   1.140 +                        return false;
   1.141 +                }
   1.142 +                return true;
   1.143 +            }
   1.144 +        }
   1.145 +        return false;
   1.146 +    }
   1.147 +
   1.148 +    // CharSequence interface
   1.149 +
   1.150 +    public final int length() {
   1.151 +        return length;
   1.152 +    }
   1.153 +
   1.154 +    public final char charAt(int index) {
   1.155 +        return ch[start + index];
   1.156 +    }
   1.157 +
   1.158 +    public final CharSequence subSequence(int start, int end) {
   1.159 +        return new CharArray(ch, this.start + start, end - start, false);
   1.160 +    }
   1.161 +}

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