/* * Copyright (c) 2000, 2010, 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 * questions. */ // -- 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 DirectCharBufferS     extends CharBuffer       implements DirectBuffer{       // Cached unsafe-access object    protected static final Unsafe unsafe = Bits.unsafe();     // Cached array base offset    private static final long arrayBaseOffset = (long)unsafe.arrayBaseOffset(char[].class);     // Cached unaligned-access capability    protected static final boolean unaligned = Bits.unaligned();     // Base address, used in all indexing calculations    // NOTE: moved up to Buffer.java for speed in JNI GetDirectBufferAddress    //    protected long address;     // If this buffer is a view of another buffer then we keep a reference to    // that buffer so that its memory isn't freed before we're done with it    protected Object viewedBuffer = null;     public Object viewedBuffer() {        return viewedBuffer;    }                                          public Cleaner cleaner() { return null; }                                                                       // For duplicates and slices    //    DirectCharBufferS(DirectBuffer db,         // package-private                               int mark, int pos, int lim, int cap,                               int off)    {         super(mark, pos, lim, cap);        address = db.address() + off;        viewedBuffer = db;          }     public CharBuffer slice() {        int pos = this.position();        int lim = this.limit();        assert (pos <= lim);        int rem = (pos <= lim ? lim - pos : 0);        int off = (pos << 1);        assert (off >= 0);        return new DirectCharBufferS(this, -1, 0, rem, rem, off);    }     public CharBuffer duplicate() {        return new DirectCharBufferS(this,                                              this.markValue(),                                              this.position(),                                              this.limit(),                                              this.capacity(),                                              0);    }     public CharBuffer asReadOnlyBuffer() {         return new DirectCharBufferRS(this,                                           this.markValue(),                                           this.position(),                                           this.limit(),                                           this.capacity(),                                           0);       }       public long address() {        return address;    }     private long ix(int i) {        return address + (i << 1);    }     public char get() {        return (Bits.swap(unsafe.getChar(ix(nextGetIndex()))));    }     public char get(int i) {        return (Bits.swap(unsafe.getChar(ix(checkIndex(i)))));    }     public CharBuffer get(char[] dst, int offset, int length) {         if ((length << 1) > Bits.JNI_COPY_TO_ARRAY_THRESHOLD) {            checkBounds(offset, length, dst.length);            int pos = position();            int lim = limit();            assert (pos <= lim);            int rem = (pos <= lim ? lim - pos : 0);            if (length > rem)                throw new BufferUnderflowException();              if (order() != ByteOrder.nativeOrder())                Bits.copyToCharArray(ix(pos), dst,                                          offset << 1,                                          length << 1);            else                 Bits.copyToArray(ix(pos), dst, arrayBaseOffset,                                 offset << 1,                                 length << 1);            position(pos + length);        } else {            super.get(dst, offset, length);        }        return this;       }       public CharBuffer put(char x) {         unsafe.putChar(ix(nextPutIndex()), Bits.swap((x)));        return this;       }     public CharBuffer put(int i, char x) {         unsafe.putChar(ix(checkIndex(i)), Bits.swap((x)));        return this;       }     public CharBuffer put(CharBuffer src) {         if (src instanceof DirectCharBufferS) {            if (src == this)                throw new IllegalArgumentException();            DirectCharBufferS sb = (DirectCharBufferS)src;             int spos = sb.position();            int slim = sb.limit();            assert (spos <= slim);            int srem = (spos <= slim ? slim - spos : 0);             int pos = position();            int lim = limit();            assert (pos <= lim);            int rem = (pos <= lim ? lim - pos : 0);             if (srem > rem)                throw new BufferOverflowException();            unsafe.copyMemory(sb.ix(spos), ix(pos), srem << 1);            sb.position(spos + srem);            position(pos + srem);        } else if (src.hb != null) {             int spos = src.position();            int slim = src.limit();            assert (spos <= slim);            int srem = (spos <= slim ? slim - spos : 0);             put(src.hb, src.offset + spos, srem);            src.position(spos + srem);         } else {            super.put(src);        }        return this;       }     public CharBuffer put(char[] src, int offset, int length) {         if ((length << 1) > Bits.JNI_COPY_FROM_ARRAY_THRESHOLD) {            checkBounds(offset, length, src.length);            int pos = position();            int lim = limit();            assert (pos <= lim);            int rem = (pos <= lim ? lim - pos : 0);            if (length > rem)                throw new BufferOverflowException();              if (order() != ByteOrder.nativeOrder())                Bits.copyFromCharArray(src, offset << 1,                                            ix(pos), length << 1);            else                 Bits.copyFromArray(src, arrayBaseOffset, offset << 1,                                   ix(pos), length << 1);            position(pos + length);        } else {            super.put(src, offset, length);        }        return this;       }     public CharBuffer compact() {         int pos = position();        int lim = limit();        assert (pos <= lim);        int rem = (pos <= lim ? lim - pos : 0);         unsafe.copyMemory(ix(pos), ix(0), rem << 1);        position(rem);        limit(capacity());        discardMark();        return this;       }     public boolean isDirect() {        return true;    }     public boolean isReadOnly() {        return false;    }        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 DirectCharBufferS(this,                                            -1,                                            pos + start,                                            pos + end,                                            capacity(),                                            offset);    }           public ByteOrder order() {         return ((ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN)                ? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN);         }                          }