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

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

@@ -0,0 +1,140 @@
+/*
+ * ====================================================================
+ * 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.ConnectionClosedException;
+import ch.boye.httpclientandroidlib.HttpException;
+import ch.boye.httpclientandroidlib.HttpRequest;
+import ch.boye.httpclientandroidlib.HttpRequestFactory;
+import ch.boye.httpclientandroidlib.ParseException;
+import ch.boye.httpclientandroidlib.RequestLine;
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.config.MessageConstraints;
+import ch.boye.httpclientandroidlib.impl.DefaultHttpRequestFactory;
+import ch.boye.httpclientandroidlib.io.SessionInputBuffer;
+import ch.boye.httpclientandroidlib.message.LineParser;
+import ch.boye.httpclientandroidlib.message.ParserCursor;
+import ch.boye.httpclientandroidlib.params.HttpParams;
+import ch.boye.httpclientandroidlib.util.Args;
+import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
+
+/**
+ * HTTP request parser that obtain its input from an instance
+ * of {@link SessionInputBuffer}.
+ *
+ * @since 4.2
+ */
+@SuppressWarnings("deprecation")
+@NotThreadSafe
+public class DefaultHttpRequestParser extends AbstractMessageParser<HttpRequest> {
+
+    private final HttpRequestFactory requestFactory;
+    private final CharArrayBuffer lineBuf;
+
+    /**
+     * Creates an instance of this class.
+     *
+     * @param buffer the session input buffer.
+     * @param lineParser the line parser.
+     * @param requestFactory the factory to use to create
+     *    {@link HttpRequest}s.
+     * @param params HTTP parameters.
+     *
+     * @deprecated (4.3) use
+     *   {@link DefaultHttpRequestParser#DefaultHttpRequestParser(SessionInputBuffer, LineParser,
+     *     HttpRequestFactory, MessageConstraints)}
+     */
+    @Deprecated
+    public DefaultHttpRequestParser(
+            final SessionInputBuffer buffer,
+            final LineParser lineParser,
+            final HttpRequestFactory requestFactory,
+            final HttpParams params) {
+        super(buffer, lineParser, params);
+        this.requestFactory = Args.notNull(requestFactory, "Request factory");
+        this.lineBuf = new CharArrayBuffer(128);
+    }
+
+    /**
+     * Creates new instance of DefaultHttpRequestParser.
+     *
+     * @param buffer the session input buffer.
+     * @param lineParser the line parser. If <code>null</code>
+     *   {@link ch.boye.httpclientandroidlib.message.BasicLineParser#INSTANCE} will be used.
+     * @param requestFactory the response factory. If <code>null</code>
+     *   {@link DefaultHttpRequestFactory#INSTANCE} will be used.
+     * @param constraints the message constraints. If <code>null</code>
+     *   {@link MessageConstraints#DEFAULT} will be used.
+     *
+     * @since 4.3
+     */
+    public DefaultHttpRequestParser(
+            final SessionInputBuffer buffer,
+            final LineParser lineParser,
+            final HttpRequestFactory requestFactory,
+            final MessageConstraints constraints) {
+        super(buffer, lineParser, constraints);
+        this.requestFactory = requestFactory != null ? requestFactory :
+            DefaultHttpRequestFactory.INSTANCE;
+        this.lineBuf = new CharArrayBuffer(128);
+    }
+
+    /**
+     * @since 4.3
+     */
+    public DefaultHttpRequestParser(
+            final SessionInputBuffer buffer,
+            final MessageConstraints constraints) {
+        this(buffer, null, null, constraints);
+    }
+
+    /**
+     * @since 4.3
+     */
+    public DefaultHttpRequestParser(final SessionInputBuffer buffer) {
+        this(buffer, null, null, MessageConstraints.DEFAULT);
+    }
+
+    @Override
+    protected HttpRequest parseHead(
+            final SessionInputBuffer sessionBuffer)
+        throws IOException, HttpException, ParseException {
+
+        this.lineBuf.clear();
+        final int i = sessionBuffer.readLine(this.lineBuf);
+        if (i == -1) {
+            throw new ConnectionClosedException("Client closed connection");
+        }
+        final ParserCursor cursor = new ParserCursor(0, this.lineBuf.length());
+        final RequestLine requestline = this.lineParser.parseRequestLine(this.lineBuf, cursor);
+        return this.requestFactory.newHttpRequest(requestline);
+    }
+
+}