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A PHP engine implemented in 100% Java
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Nam Nguyen
*/
package com.caucho.quercus.lib.zip;
import com.caucho.quercus.lib.file.BinaryInput;
import com.caucho.quercus.lib.file.ReadStreamInput;
import com.caucho.quercus.env.Env;
import com.caucho.vfs.*;
import com.caucho.util.L10N;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
/**
* Input from a compressed stream.
*/
public class ZipEntryInputStream extends ReadStreamInput
{
private static final L10N L = new L10N(ZipEntryInputStream.class);
private final BinaryInput _in;
private final long _position;
public ZipEntryInputStream(BinaryInput in, long position)
throws IOException
{
super(Env.getInstance());
_in = in;
_position = position;
in.setPosition(_position);
ZipInputStream zipInputStream = new ZipInputStream(in.getInputStream());
ZipEntry curEntry = zipInputStream.getNextEntry();
if (curEntry == null)
throw new IOException(
L.l("ZipEntry at position {0} not found", _position));
init(new ReadStream(new VfsStream(zipInputStream, null)));
}
/**
* Opens a copy.
*/
public BinaryInput openCopy()
throws IOException
{
return new ZipEntryInputStream(_in.openCopy(), _position);
}
public String toString()
{
return "ZipEntryInputStream[]";
}
}