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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/client/entity/GzipCompressingEntity.java

@@ -0,0 +1,113 @@
+/*
+ * ====================================================================
+ * 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.client.entity;
+
+/*
+ * ====================================================================
+ * 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/>.
+ *
+ */
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.zip.GZIPOutputStream;
+
+import ch.boye.httpclientandroidlib.Header;
+import ch.boye.httpclientandroidlib.HttpEntity;
+import ch.boye.httpclientandroidlib.entity.HttpEntityWrapper;
+import ch.boye.httpclientandroidlib.message.BasicHeader;
+import ch.boye.httpclientandroidlib.protocol.HTTP;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * Wrapping entity that compresses content when {@link #writeTo writing}.
+ *
+ *
+ * @since 4.0
+ */
+public class GzipCompressingEntity extends HttpEntityWrapper {
+
+    private static final String GZIP_CODEC = "gzip";
+
+    public GzipCompressingEntity(final HttpEntity entity) {
+        super(entity);
+    }
+
+    @Override
+    public Header getContentEncoding() {
+        return new BasicHeader(HTTP.CONTENT_ENCODING, GZIP_CODEC);
+    }
+
+    @Override
+    public long getContentLength() {
+        return -1;
+    }
+
+    @Override
+    public boolean isChunked() {
+        // force content chunking
+        return true;
+    }
+
+    @Override
+    public InputStream getContent() throws IOException {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void writeTo(final OutputStream outstream) throws IOException {
+        Args.notNull(outstream, "Output stream");
+        final GZIPOutputStream gzip = new GZIPOutputStream(outstream);
+        wrappedEntity.writeTo(gzip);
+        // Only close output stream if the wrapped entity has been
+        // successfully written out
+        gzip.close();
+    }
+
+}