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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/AbstractMessageWriter.java

@@ -0,0 +1,119 @@
+/*
+ * ====================================================================
+ * 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.impl.io;
+
+import java.io.IOException;
+
+import ch.boye.httpclientandroidlib.Header;
+import ch.boye.httpclientandroidlib.HeaderIterator;
+import ch.boye.httpclientandroidlib.HttpException;
+import ch.boye.httpclientandroidlib.HttpMessage;
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.io.HttpMessageWriter;
+import ch.boye.httpclientandroidlib.io.SessionOutputBuffer;
+import ch.boye.httpclientandroidlib.message.BasicLineFormatter;
+import ch.boye.httpclientandroidlib.message.LineFormatter;
+import ch.boye.httpclientandroidlib.params.HttpParams;
+import ch.boye.httpclientandroidlib.util.Args;
+import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
+
+/**
+ * Abstract base class for HTTP message writers that serialize output to
+ * an instance of {@link SessionOutputBuffer}.
+ *
+ * @since 4.0
+ */
+@SuppressWarnings("deprecation")
+@NotThreadSafe
+public abstract class AbstractMessageWriter<T extends HttpMessage> implements HttpMessageWriter<T> {
+
+    protected final SessionOutputBuffer sessionBuffer;
+    protected final CharArrayBuffer lineBuf;
+    protected final LineFormatter lineFormatter;
+
+    /**
+     * Creates an instance of AbstractMessageWriter.
+     *
+     * @param buffer the session output buffer.
+     * @param formatter the line formatter.
+     * @param params HTTP parameters.
+     *
+     * @deprecated (4.3) use
+     *   {@link AbstractMessageWriter#AbstractMessageWriter(SessionOutputBuffer, LineFormatter)}
+     */
+    @Deprecated
+    public AbstractMessageWriter(final SessionOutputBuffer buffer,
+                                 final LineFormatter formatter,
+                                 final HttpParams params) {
+        super();
+        Args.notNull(buffer, "Session input buffer");
+        this.sessionBuffer = buffer;
+        this.lineBuf = new CharArrayBuffer(128);
+        this.lineFormatter = (formatter != null) ? formatter : BasicLineFormatter.INSTANCE;
+    }
+
+    /**
+     * Creates an instance of AbstractMessageWriter.
+     *
+     * @param buffer the session output buffer.
+     * @param formatter the line formatter If <code>null</code> {@link BasicLineFormatter#INSTANCE}
+     *   will be used.
+     *
+     * @since 4.3
+     */
+    public AbstractMessageWriter(
+            final SessionOutputBuffer buffer,
+            final LineFormatter formatter) {
+        super();
+        this.sessionBuffer = Args.notNull(buffer, "Session input buffer");
+        this.lineFormatter = (formatter != null) ? formatter : BasicLineFormatter.INSTANCE;
+        this.lineBuf = new CharArrayBuffer(128);
+    }
+
+    /**
+     * Subclasses must override this method to write out the first header line
+     * based on the {@link HttpMessage} passed as a parameter.
+     *
+     * @param message the message whose first line is to be written out.
+     * @throws IOException in case of an I/O error.
+     */
+    protected abstract void writeHeadLine(T message) throws IOException;
+
+    public void write(final T message) throws IOException, HttpException {
+        Args.notNull(message, "HTTP message");
+        writeHeadLine(message);
+        for (final HeaderIterator it = message.headerIterator(); it.hasNext(); ) {
+            final Header header = it.nextHeader();
+            this.sessionBuffer.writeLine
+                (lineFormatter.formatHeader(this.lineBuf, header));
+        }
+        this.lineBuf.clear();
+        this.sessionBuffer.writeLine(this.lineBuf);
+    }
+
+}