my-jdk/jdkSrc/jdk8/java/nio/DirectCharBufferRU.java

/*
 * Copyright (c) 2000, 2013, 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 mechanically generated: Do not edit! -- //

package java.nio;

import java.io.FileDescriptor;
import sun.misc.Cleaner;
import sun.misc.Unsafe;
import sun.misc.VM;
import sun.nio.ch.DirectBuffer;


class DirectCharBufferRU



    extends DirectCharBufferU

    implements DirectBuffer
{















































































































































    // For duplicates and slices
    //
    DirectCharBufferRU(DirectBuffer db,         // package-private
                               int mark, int pos, int lim, int cap,
                               int off)
    {








        super(db, mark, pos, lim, cap, off);

    }

    public CharBuffer slice() {
        int pos = this.position();
        int lim = this.limit();
        int rem = (pos <= lim ? lim - pos : 0);
        int off = (pos << 1);
        assert (off >= 0);
        return new DirectCharBufferRU(this, -1, 0, rem, rem, off);
    }

    public CharBuffer duplicate() {
        return new DirectCharBufferRU(this,
                                              this.markValue(),
                                              this.position(),
                                              this.limit(),
                                              this.capacity(),
                                              0);
    }

    public CharBuffer asReadOnlyBuffer() {








        return duplicate();

    }


























































    public CharBuffer put(char x) {




        throw new ReadOnlyBufferException();

    }

    public CharBuffer put(int i, char x) {




        throw new ReadOnlyBufferException();

    }

    public CharBuffer put(CharBuffer src) {




































        throw new ReadOnlyBufferException();

    }

    public CharBuffer put(char[] src, int offset, int length) {




























        throw new ReadOnlyBufferException();

    }

    public CharBuffer compact() {












        throw new ReadOnlyBufferException();

    }

    public boolean isDirect() {
        return true;
    }

    public boolean isReadOnly() {
        return true;
    }




    public String toString(int start, int end) {
        if ((end > limit()) || (start > end))
            throw new IndexOutOfBoundsException();
        try {
            int len = end - start;
            char[] ca = new char[len];
            CharBuffer cb = CharBuffer.wrap(ca);
            CharBuffer db = this.duplicate();
            db.position(start);
            db.limit(end);
            cb.put(db);
            return new String(ca);
        } catch (StringIndexOutOfBoundsException x) {
            throw new IndexOutOfBoundsException();
        }
    }


    // --- Methods to support CharSequence ---

    public CharBuffer subSequence(int start, int end) {
        int pos = position();
        int lim = limit();
        assert (pos <= lim);
        pos = (pos <= lim ? pos : lim);
        int len = lim - pos;

        if ((start < 0) || (end > len) || (start > end))
            throw new IndexOutOfBoundsException();
        return new DirectCharBufferRU(this,
                                            -1,
                                            pos + start,
                                            pos + end,
                                            capacity(),
                                            offset);
    }







    public ByteOrder order() {





        return ((ByteOrder.nativeOrder() != ByteOrder.BIG_ENDIAN)
                ? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN);

    }


























}