diff -r 000000000000 -r 6474c204b198 mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/IdentityInputStream.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/IdentityInputStream.java Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,95 @@ +/* + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + * + */ + +package ch.boye.httpclientandroidlib.impl.io; + +import java.io.IOException; +import java.io.InputStream; + +import ch.boye.httpclientandroidlib.io.BufferInfo; +import ch.boye.httpclientandroidlib.io.SessionInputBuffer; + +/** + * Input stream that reads data without any transformation. The end of the + * content entity is demarcated by closing the underlying connection + * (EOF condition). Entities transferred using this input stream can be of + * unlimited length. + *

+ * Note that this class NEVER closes the underlying stream, even when close + * gets called. Instead, it will read until the end of the stream (until + * -1 is returned). + * + * @since 4.0 + */ +public class IdentityInputStream extends InputStream { + + private final SessionInputBuffer in; + + private boolean closed = false; + + /** + * Wraps session input stream and reads input until the the end of stream. + * + * @param in The session input buffer + */ + public IdentityInputStream(final SessionInputBuffer in) { + super(); + if (in == null) { + throw new IllegalArgumentException("Session input buffer may not be null"); + } + this.in = in; + } + + public int available() throws IOException { + if (this.in instanceof BufferInfo) { + return ((BufferInfo) this.in).length(); + } else { + return 0; + } + } + + public void close() throws IOException { + this.closed = true; + } + + public int read() throws IOException { + if (this.closed) { + return -1; + } else { + return this.in.read(); + } + } + + public int read(final byte[] b, int off, int len) throws IOException { + if (this.closed) { + return -1; + } else { + return this.in.read(b, off, len); + } + } + +}