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mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BasicHttpEntity.java@fc2d59ddac77 (annotated)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BasicHttpEntity.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.entity;
michael@0	29
michael@0	30	import java.io.IOException;
michael@0	31	import java.io.InputStream;
michael@0	32	import java.io.OutputStream;
michael@0	33
michael@0	34	/**
michael@0	35	* A generic streamed, non-repeatable entity that obtains its content
michael@0	36	* from an {@link InputStream}.
michael@0	37	*
michael@0	38	* @since 4.0
michael@0	39	*/
michael@0	40	public class BasicHttpEntity extends AbstractHttpEntity {
michael@0	41
michael@0	42	private InputStream content;
michael@0	43	private long length;
michael@0	44
michael@0	45	/**
michael@0	46	* Creates a new basic entity.
michael@0	47	* The content is initially missing, the content length
michael@0	48	* is set to a negative number.
michael@0	49	*/
michael@0	50	public BasicHttpEntity() {
michael@0	51	super();
michael@0	52	this.length = -1;
michael@0	53	}
michael@0	54
michael@0	55	public long getContentLength() {
michael@0	56	return this.length;
michael@0	57	}
michael@0	58
michael@0	59	/**
michael@0	60	* Obtains the content, once only.
michael@0	61	*
michael@0	62	* @return the content, if this is the first call to this method
michael@0	63	* since {@link #setContent setContent} has been called
michael@0	64	*
michael@0	65	* @throws IllegalStateException
michael@0	66	* if the content has not been provided
michael@0	67	*/
michael@0	68	public InputStream getContent() throws IllegalStateException {
michael@0	69	if (this.content == null) {
michael@0	70	throw new IllegalStateException("Content has not been provided");
michael@0	71	}
michael@0	72	return this.content;
michael@0	73
michael@0	74	}
michael@0	75
michael@0	76	/**
michael@0	77	* Tells that this entity is not repeatable.
michael@0	78	*
michael@0	79	* @return <code>false</code>
michael@0	80	*/
michael@0	81	public boolean isRepeatable() {
michael@0	82	return false;
michael@0	83	}
michael@0	84
michael@0	85	/**
michael@0	86	* Specifies the length of the content.
michael@0	87	*
michael@0	88	* @param len the number of bytes in the content, or
michael@0	89	* a negative number to indicate an unknown length
michael@0	90	*/
michael@0	91	public void setContentLength(long len) {
michael@0	92	this.length = len;
michael@0	93	}
michael@0	94
michael@0	95	/**
michael@0	96	* Specifies the content.
michael@0	97	*
michael@0	98	* @param instream the stream to return with the next call to
michael@0	99	* {@link #getContent getContent}
michael@0	100	*/
michael@0	101	public void setContent(final InputStream instream) {
michael@0	102	this.content = instream;
michael@0	103	}
michael@0	104
michael@0	105	public void writeTo(final OutputStream outstream) throws IOException {
michael@0	106	if (outstream == null) {
michael@0	107	throw new IllegalArgumentException("Output stream may not be null");
michael@0	108	}
michael@0	109	InputStream instream = getContent();
michael@0	110	try {
michael@0	111	int l;
michael@0	112	byte[] tmp = new byte[2048];
michael@0	113	while ((l = instream.read(tmp)) != -1) {
michael@0	114	outstream.write(tmp, 0, l);
michael@0	115	}
michael@0	116	} finally {
michael@0	117	instream.close();
michael@0	118	}
michael@0	119	}
michael@0	120
michael@0	121	public boolean isStreaming() {
michael@0	122	return this.content != null;
michael@0	123	}
michael@0	124
michael@0	125	/**
michael@0	126	* Closes the content InputStream.
michael@0	127	*
michael@0	128	* @deprecated Either use {@link #getContent()} and call {@link java.io.InputStream#close()} on that;
michael@0	129	* otherwise call {@link #writeTo(OutputStream)} which is required to free the resources.
michael@0	130	*/
michael@0	131	public void consumeContent() throws IOException {
michael@0	132	if (content != null) {
michael@0	133	content.close(); // reads to the end of the entity
michael@0	134	}
michael@0	135	}
michael@0	136
michael@0	137	}