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git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4020 6c8d7289-2bf4-0310-a012-ef5d649a1542
86 lines
3.6 KiB
Java
86 lines
3.6 KiB
Java
// ByteArrayIInStream.java
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// -------------------------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// This file ist contributed by Franz Brausze
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.plasma.parser.sevenzip;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import SevenZip.IInStream;
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public class ByteArrayIInStream extends IInStream {
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private class SeekableByteArrayInputStream extends ByteArrayInputStream {
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public SeekableByteArrayInputStream(byte[] buf) { super(buf); }
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public SeekableByteArrayInputStream(byte[] buf, int off, int len) { super(buf, off, len); }
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public int getPosition() { return super.pos; }
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public void seekRelative(int offset) { seekAbsolute(super.pos + offset); }
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public void seekAbsolute(int offset) {
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if (offset > super.count)
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throw new IndexOutOfBoundsException(Integer.toString(offset));
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super.pos = offset;
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}
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}
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private final SeekableByteArrayInputStream sbais;
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public ByteArrayIInStream(byte[] buffer) {
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this.sbais = new SeekableByteArrayInputStream(buffer);
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}
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public long Seek(long offset, int origin) {
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switch (origin) {
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case STREAM_SEEK_SET: this.sbais.seekAbsolute((int)offset); break;
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case STREAM_SEEK_CUR: this.sbais.seekRelative((int)offset); break;
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}
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return this.sbais.getPosition();
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}
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public int read() throws IOException {
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return this.sbais.read();
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}
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public int read(byte[] b, int off, int len) throws IOException {
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return this.sbais.read(b, off, len);
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}
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} |