1.1 --- a/emul/mini/src/main/java/java/util/zip/ZipInputStream.java Fri Mar 22 16:59:47 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,194 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 1996, 2009, 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 -
1.29 -package java.util.zip;
1.30 -
1.31 -import java.io.InputStream;
1.32 -import java.io.IOException;
1.33 -
1.34 -/**
1.35 - * This class implements an input stream filter for reading files in the
1.36 - * ZIP file format. Includes support for both compressed and uncompressed
1.37 - * entries.
1.38 - *
1.39 - * @author David Connelly
1.40 - */
1.41 -public
1.42 -class ZipInputStream extends InflaterInputStream implements ZipConstants {
1.43 - private final org.apidesign.bck2brwsr.emul.zip.ZipInputStream impl;
1.44 -
1.45 - /**
1.46 - * Creates a new ZIP input stream.
1.47 - *
1.48 - * <p>The UTF-8 {@link java.nio.charset.Charset charset} is used to
1.49 - * decode the entry names.
1.50 - *
1.51 - * @param in the actual input stream
1.52 - */
1.53 - public ZipInputStream(InputStream in) {
1.54 - super(in);
1.55 - impl = new org.apidesign.bck2brwsr.emul.zip.ZipInputStream(in);
1.56 - }
1.57 -
1.58 - /**
1.59 - * Creates a new ZIP input stream.
1.60 - *
1.61 - * @param in the actual input stream
1.62 - *
1.63 - * @param charset
1.64 - * The {@linkplain java.nio.charset.Charset charset} to be
1.65 - * used to decode the ZIP entry name (ignored if the
1.66 - * <a href="package-summary.html#lang_encoding"> language
1.67 - * encoding bit</a> of the ZIP entry's general purpose bit
1.68 - * flag is set).
1.69 - *
1.70 - * @since 1.7
1.71 - *
1.72 - public ZipInputStream(InputStream in, Charset charset) {
1.73 - super(new PushbackInputStream(in, 512), new Inflater(true), 512);
1.74 - usesDefaultInflater = true;
1.75 - if(in == null) {
1.76 - throw new NullPointerException("in is null");
1.77 - }
1.78 - if (charset == null)
1.79 - throw new NullPointerException("charset is null");
1.80 - this.zc = ZipCoder.get(charset);
1.81 - }
1.82 - */
1.83 -
1.84 - /**
1.85 - * Reads the next ZIP file entry and positions the stream at the
1.86 - * beginning of the entry data.
1.87 - * @return the next ZIP file entry, or null if there are no more entries
1.88 - * @exception ZipException if a ZIP file error has occurred
1.89 - * @exception IOException if an I/O error has occurred
1.90 - */
1.91 - public ZipEntry getNextEntry() throws IOException {
1.92 - return impl.getNextEntry();
1.93 - }
1.94 -
1.95 - /**
1.96 - * Closes the current ZIP entry and positions the stream for reading the
1.97 - * next entry.
1.98 - * @exception ZipException if a ZIP file error has occurred
1.99 - * @exception IOException if an I/O error has occurred
1.100 - */
1.101 - public void closeEntry() throws IOException {
1.102 - impl.closeEntry();
1.103 - }
1.104 -
1.105 - /**
1.106 - * Returns 0 after EOF has reached for the current entry data,
1.107 - * otherwise always return 1.
1.108 - * <p>
1.109 - * Programs should not count on this method to return the actual number
1.110 - * of bytes that could be read without blocking.
1.111 - *
1.112 - * @return 1 before EOF and 0 after EOF has reached for current entry.
1.113 - * @exception IOException if an I/O error occurs.
1.114 - *
1.115 - */
1.116 - public int available() throws IOException {
1.117 - return impl.available();
1.118 - }
1.119 -
1.120 - /**
1.121 - * Reads from the current ZIP entry into an array of bytes.
1.122 - * If <code>len</code> is not zero, the method
1.123 - * blocks until some input is available; otherwise, no
1.124 - * bytes are read and <code>0</code> is returned.
1.125 - * @param b the buffer into which the data is read
1.126 - * @param off the start offset in the destination array <code>b</code>
1.127 - * @param len the maximum number of bytes read
1.128 - * @return the actual number of bytes read, or -1 if the end of the
1.129 - * entry is reached
1.130 - * @exception NullPointerException if <code>b</code> is <code>null</code>.
1.131 - * @exception IndexOutOfBoundsException if <code>off</code> is negative,
1.132 - * <code>len</code> is negative, or <code>len</code> is greater than
1.133 - * <code>b.length - off</code>
1.134 - * @exception ZipException if a ZIP file error has occurred
1.135 - * @exception IOException if an I/O error has occurred
1.136 - */
1.137 - public int read(byte[] b, int off, int len) throws IOException {
1.138 - return impl.read(b, off, len);
1.139 - }
1.140 -
1.141 - /**
1.142 - * Skips specified number of bytes in the current ZIP entry.
1.143 - * @param n the number of bytes to skip
1.144 - * @return the actual number of bytes skipped
1.145 - * @exception ZipException if a ZIP file error has occurred
1.146 - * @exception IOException if an I/O error has occurred
1.147 - * @exception IllegalArgumentException if n < 0
1.148 - */
1.149 - public long skip(long n) throws IOException {
1.150 - return impl.skip(n);
1.151 - }
1.152 -
1.153 - /**
1.154 - * Closes this input stream and releases any system resources associated
1.155 - * with the stream.
1.156 - * @exception IOException if an I/O error has occurred
1.157 - */
1.158 - public void close() throws IOException {
1.159 - impl.close();
1.160 - }
1.161 -
1.162 - /**
1.163 - * Creates a new <code>ZipEntry</code> object for the specified
1.164 - * entry name.
1.165 - *
1.166 - * @param name the ZIP file entry name
1.167 - * @return the ZipEntry just created
1.168 - */
1.169 - protected ZipEntry createZipEntry(String name) {
1.170 - return new ZipEntry(name);
1.171 - }
1.172 -
1.173 - @Override
1.174 - public int read() throws IOException {
1.175 - return impl.read();
1.176 - }
1.177 -
1.178 - @Override
1.179 - public boolean markSupported() {
1.180 - return impl.markSupported();
1.181 - }
1.182 -
1.183 - @Override
1.184 - public void mark(int readlimit) {
1.185 - impl.mark(readlimit);
1.186 - }
1.187 -
1.188 - @Override
1.189 - public void reset() throws IOException {
1.190 - impl.reset();
1.191 - }
1.192 -
1.193 - @Override
1.194 - public int read(byte[] b) throws IOException {
1.195 - return impl.read(b);
1.196 - }
1.197 -}