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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java')
-rw-r--r-- | mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java new file mode 100644 index 000000000..8a53ef68c --- /dev/null +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java @@ -0,0 +1,155 @@ +/* + * ==================================================================== + * 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 + * <http://www.apache.org/>. + * + */ + +package ch.boye.httpclientandroidlib.entity; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; + +import ch.boye.httpclientandroidlib.annotation.NotThreadSafe; +import ch.boye.httpclientandroidlib.util.Args; + +/** + * A streamed, non-repeatable entity that obtains its content from + * an {@link InputStream}. + * + * @since 4.0 + */ +@NotThreadSafe +public class InputStreamEntity extends AbstractHttpEntity { + + private final InputStream content; + private final long length; + + /** + * Creates an entity with an unknown length. + * Equivalent to {@code new InputStreamEntity(instream, -1)}. + * + * @param instream input stream + * @throws IllegalArgumentException if {@code instream} is {@code null} + * @since 4.3 + */ + public InputStreamEntity(final InputStream instream) { + this(instream, -1); + } + + /** + * Creates an entity with a specified content length. + * + * @param instream input stream + * @param length of the input stream, {@code -1} if unknown + * @throws IllegalArgumentException if {@code instream} is {@code null} + */ + public InputStreamEntity(final InputStream instream, final long length) { + this(instream, length, null); + } + + /** + * Creates an entity with a content type and unknown length. + * Equivalent to {@code new InputStreamEntity(instream, -1, contentType)}. + * + * @param instream input stream + * @param contentType content type + * @throws IllegalArgumentException if {@code instream} is {@code null} + * @since 4.3 + */ + public InputStreamEntity(final InputStream instream, final ContentType contentType) { + this(instream, -1, contentType); + } + + /** + * @param instream input stream + * @param length of the input stream, {@code -1} if unknown + * @param contentType for specifying the {@code Content-Type} header, may be {@code null} + * @throws IllegalArgumentException if {@code instream} is {@code null} + * @since 4.2 + */ + public InputStreamEntity(final InputStream instream, final long length, final ContentType contentType) { + super(); + this.content = Args.notNull(instream, "Source input stream"); + this.length = length; + if (contentType != null) { + setContentType(contentType.toString()); + } + } + + public boolean isRepeatable() { + return false; + } + + /** + * @return the content length or {@code -1} if unknown + */ + public long getContentLength() { + return this.length; + } + + public InputStream getContent() throws IOException { + return this.content; + } + + /** + * Writes bytes from the {@code InputStream} this entity was constructed + * with to an {@code OutputStream}. The content length + * determines how many bytes are written. If the length is unknown ({@code -1}), the + * stream will be completely consumed (to the end of the stream). + * + */ + public void writeTo(final OutputStream outstream) throws IOException { + Args.notNull(outstream, "Output stream"); + final InputStream instream = this.content; + try { + final byte[] buffer = new byte[OUTPUT_BUFFER_SIZE]; + int l; + if (this.length < 0) { + // consume until EOF + while ((l = instream.read(buffer)) != -1) { + outstream.write(buffer, 0, l); + } + } else { + // consume no more than length + long remaining = this.length; + while (remaining > 0) { + l = instream.read(buffer, 0, (int)Math.min(OUTPUT_BUFFER_SIZE, remaining)); + if (l == -1) { + break; + } + outstream.write(buffer, 0, l); + remaining -= l; + } + } + } finally { + instream.close(); + } + } + + public boolean isStreaming() { + return true; + } + +} |