pt 1 in reviving the android build (copied from pm 28a1, wish me luck)

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;
+    }
+
+}