mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/IdentityInputStream.java

Wed, 31 Dec 2014 07:22:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:22:50 +0100
branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
permissions
-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0 1 /*
michael@0 2 * ====================================================================
michael@0 3 * Licensed to the Apache Software Foundation (ASF) under one
michael@0 4 * or more contributor license agreements. See the NOTICE file
michael@0 5 * distributed with this work for additional information
michael@0 6 * regarding copyright ownership. The ASF licenses this file
michael@0 7 * to you under the Apache License, Version 2.0 (the
michael@0 8 * "License"); you may not use this file except in compliance
michael@0 9 * with the License. You may obtain a copy of the License at
michael@0 10 *
michael@0 11 * http://www.apache.org/licenses/LICENSE-2.0
michael@0 12 *
michael@0 13 * Unless required by applicable law or agreed to in writing,
michael@0 14 * software distributed under the License is distributed on an
michael@0 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0 16 * KIND, either express or implied. See the License for the
michael@0 17 * specific language governing permissions and limitations
michael@0 18 * under the License.
michael@0 19 * ====================================================================
michael@0 20 *
michael@0 21 * This software consists of voluntary contributions made by many
michael@0 22 * individuals on behalf of the Apache Software Foundation. For more
michael@0 23 * information on the Apache Software Foundation, please see
michael@0 24 * <http://www.apache.org/>.
michael@0 25 *
michael@0 26 */
michael@0 27
michael@0 28 package ch.boye.httpclientandroidlib.impl.io;
michael@0 29
michael@0 30 import java.io.IOException;
michael@0 31 import java.io.InputStream;
michael@0 32
michael@0 33 import ch.boye.httpclientandroidlib.io.BufferInfo;
michael@0 34 import ch.boye.httpclientandroidlib.io.SessionInputBuffer;
michael@0 35
michael@0 36 /**
michael@0 37 * Input stream that reads data without any transformation. The end of the
michael@0 38 * content entity is demarcated by closing the underlying connection
michael@0 39 * (EOF condition). Entities transferred using this input stream can be of
michael@0 40 * unlimited length.
michael@0 41 * <p>
michael@0 42 * Note that this class NEVER closes the underlying stream, even when close
michael@0 43 * gets called. Instead, it will read until the end of the stream (until
michael@0 44 * <code>-1</code> is returned).
michael@0 45 *
michael@0 46 * @since 4.0
michael@0 47 */
michael@0 48 public class IdentityInputStream extends InputStream {
michael@0 49
michael@0 50 private final SessionInputBuffer in;
michael@0 51
michael@0 52 private boolean closed = false;
michael@0 53
michael@0 54 /**
michael@0 55 * Wraps session input stream and reads input until the the end of stream.
michael@0 56 *
michael@0 57 * @param in The session input buffer
michael@0 58 */
michael@0 59 public IdentityInputStream(final SessionInputBuffer in) {
michael@0 60 super();
michael@0 61 if (in == null) {
michael@0 62 throw new IllegalArgumentException("Session input buffer may not be null");
michael@0 63 }
michael@0 64 this.in = in;
michael@0 65 }
michael@0 66
michael@0 67 public int available() throws IOException {
michael@0 68 if (this.in instanceof BufferInfo) {
michael@0 69 return ((BufferInfo) this.in).length();
michael@0 70 } else {
michael@0 71 return 0;
michael@0 72 }
michael@0 73 }
michael@0 74
michael@0 75 public void close() throws IOException {
michael@0 76 this.closed = true;
michael@0 77 }
michael@0 78
michael@0 79 public int read() throws IOException {
michael@0 80 if (this.closed) {
michael@0 81 return -1;
michael@0 82 } else {
michael@0 83 return this.in.read();
michael@0 84 }
michael@0 85 }
michael@0 86
michael@0 87 public int read(final byte[] b, int off, int len) throws IOException {
michael@0 88 if (this.closed) {
michael@0 89 return -1;
michael@0 90 } else {
michael@0 91 return this.in.read(b, off, len);
michael@0 92 }
michael@0 93 }
michael@0 94
michael@0 95 }

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