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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BufferedHttpEntity.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.ByteArrayInputStream;
michael@0	31	import java.io.IOException;
michael@0	32	import java.io.InputStream;
michael@0	33	import java.io.OutputStream;
michael@0	34
michael@0	35	import ch.boye.httpclientandroidlib.HttpEntity;
michael@0	36	import ch.boye.httpclientandroidlib.util.EntityUtils;
michael@0	37
michael@0	38	/**
michael@0	39	* A wrapping entity that buffers it content if necessary.
michael@0	40	* The buffered entity is always repeatable.
michael@0	41	* If the wrapped entity is repeatable itself, calls are passed through.
michael@0	42	* If the wrapped entity is not repeatable, the content is read into a
michael@0	43	* buffer once and provided from there as often as required.
michael@0	44	*
michael@0	45	* @since 4.0
michael@0	46	*/
michael@0	47	public class BufferedHttpEntity extends HttpEntityWrapper {
michael@0	48
michael@0	49	private final byte[] buffer;
michael@0	50
michael@0	51	/**
michael@0	52	* Creates a new buffered entity wrapper.
michael@0	53	*
michael@0	54	* @param entity the entity to wrap, not null
michael@0	55	* @throws IllegalArgumentException if wrapped is null
michael@0	56	*/
michael@0	57	public BufferedHttpEntity(final HttpEntity entity) throws IOException {
michael@0	58	super(entity);
michael@0	59	if (!entity.isRepeatable() || entity.getContentLength() < 0) {
michael@0	60	this.buffer = EntityUtils.toByteArray(entity);
michael@0	61	} else {
michael@0	62	this.buffer = null;
michael@0	63	}
michael@0	64	}
michael@0	65
michael@0	66	public long getContentLength() {
michael@0	67	if (this.buffer != null) {
michael@0	68	return this.buffer.length;
michael@0	69	} else {
michael@0	70	return wrappedEntity.getContentLength();
michael@0	71	}
michael@0	72	}
michael@0	73
michael@0	74	public InputStream getContent() throws IOException {
michael@0	75	if (this.buffer != null) {
michael@0	76	return new ByteArrayInputStream(this.buffer);
michael@0	77	} else {
michael@0	78	return wrappedEntity.getContent();
michael@0	79	}
michael@0	80	}
michael@0	81
michael@0	82	/**
michael@0	83	* Tells that this entity does not have to be chunked.
michael@0	84	*
michael@0	85	* @return <code>false</code>
michael@0	86	*/
michael@0	87	public boolean isChunked() {
michael@0	88	return (buffer == null) && wrappedEntity.isChunked();
michael@0	89	}
michael@0	90
michael@0	91	/**
michael@0	92	* Tells that this entity is repeatable.
michael@0	93	*
michael@0	94	* @return <code>true</code>
michael@0	95	*/
michael@0	96	public boolean isRepeatable() {
michael@0	97	return true;
michael@0	98	}
michael@0	99
michael@0	100
michael@0	101	public void writeTo(final OutputStream outstream) throws IOException {
michael@0	102	if (outstream == null) {
michael@0	103	throw new IllegalArgumentException("Output stream may not be null");
michael@0	104	}
michael@0	105	if (this.buffer != null) {
michael@0	106	outstream.write(this.buffer);
michael@0	107	} else {
michael@0	108	wrappedEntity.writeTo(outstream);
michael@0	109	}
michael@0	110	}
michael@0	111
michael@0	112
michael@0	113	// non-javadoc, see interface HttpEntity
michael@0	114	public boolean isStreaming() {
michael@0	115	return (buffer == null) && wrappedEntity.isStreaming();
michael@0	116	}
michael@0	117
michael@0	118	} // class BufferedHttpEntity