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Diffstat (limited to 'mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java')
-rw-r--r--mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java155
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diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java
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+++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java
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+/*
+ * ====================================================================
+ * 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;
+ }
+
+}