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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/BufferedHttpEntity.java

@@ -0,0 +1,125 @@
+/*
+ * ====================================================================
+ * 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.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import ch.boye.httpclientandroidlib.HttpEntity;
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.util.Args;
+import ch.boye.httpclientandroidlib.util.EntityUtils;
+
+/**
+ * A wrapping entity that buffers it content if necessary.
+ * The buffered entity is always repeatable.
+ * If the wrapped entity is repeatable itself, calls are passed through.
+ * If the wrapped entity is not repeatable, the content is read into a
+ * buffer once and provided from there as often as required.
+ *
+ * @since 4.0
+ */
+@NotThreadSafe
+public class BufferedHttpEntity extends HttpEntityWrapper {
+
+    private final byte[] buffer;
+
+    /**
+     * Creates a new buffered entity wrapper.
+     *
+     * @param entity   the entity to wrap, not null
+     * @throws IllegalArgumentException if wrapped is null
+     */
+    public BufferedHttpEntity(final HttpEntity entity) throws IOException {
+        super(entity);
+        if (!entity.isRepeatable() || entity.getContentLength() < 0) {
+            this.buffer = EntityUtils.toByteArray(entity);
+        } else {
+            this.buffer = null;
+        }
+    }
+
+    @Override
+    public long getContentLength() {
+        if (this.buffer != null) {
+            return this.buffer.length;
+        } else {
+            return super.getContentLength();
+        }
+    }
+
+    @Override
+    public InputStream getContent() throws IOException {
+        if (this.buffer != null) {
+            return new ByteArrayInputStream(this.buffer);
+        } else {
+            return super.getContent();
+        }
+    }
+
+    /**
+     * Tells that this entity does not have to be chunked.
+     *
+     * @return  <code>false</code>
+     */
+    @Override
+    public boolean isChunked() {
+        return (buffer == null) && super.isChunked();
+    }
+
+    /**
+     * Tells that this entity is repeatable.
+     *
+     * @return  <code>true</code>
+     */
+    @Override
+    public boolean isRepeatable() {
+        return true;
+    }
+
+
+    @Override
+    public void writeTo(final OutputStream outstream) throws IOException {
+        Args.notNull(outstream, "Output stream");
+        if (this.buffer != null) {
+            outstream.write(this.buffer);
+        } else {
+            super.writeTo(outstream);
+        }
+    }
+
+
+    // non-javadoc, see interface HttpEntity
+    @Override
+    public boolean isStreaming() {
+        return (buffer == null) && super.isStreaming();
+    }
+
+} // class BufferedHttpEntity