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

mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/HeaderValueParser.java

@@ -0,0 +1,134 @@
+/*
+ * ====================================================================
+ * 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.message;
+
+import ch.boye.httpclientandroidlib.HeaderElement;
+import ch.boye.httpclientandroidlib.NameValuePair;
+import ch.boye.httpclientandroidlib.ParseException;
+import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
+
+/**
+ * Interface for parsing header values into elements.
+ * Instances of this interface are expected to be stateless and thread-safe.
+ *
+ * @since 4.0
+ */
+public interface HeaderValueParser {
+
+    /**
+     * Parses a header value into elements.
+     * Parse errors are indicated as <code>RuntimeException</code>.
+     * <p>
+     * Some HTTP headers (such as the set-cookie header) have values that
+     * can be decomposed into multiple elements. In order to be processed
+     * by this parser, such headers must be in the following form:
+     * </p>
+     * <pre>
+     * header  = [ element ] *( "," [ element ] )
+     * element = name [ "=" [ value ] ] *( ";" [ param ] )
+     * param   = name [ "=" [ value ] ]
+     *
+     * name    = token
+     * value   = ( token | quoted-string )
+     *
+     * token         = 1*&lt;any char except "=", ",", ";", &lt;"&gt; and
+     *                       white space&gt;
+     * quoted-string = &lt;"&gt; *( text | quoted-char ) &lt;"&gt;
+     * text          = any char except &lt;"&gt;
+     * quoted-char   = "\" char
+     * </pre>
+     * <p>
+     * Any amount of white space is allowed between any part of the
+     * header, element or param and is ignored. A missing value in any
+     * element or param will be stored as the empty {@link String};
+     * if the "=" is also missing <var>null</var> will be stored instead.
+     * </p>
+     *
+     * @param buffer    buffer holding the header value to parse
+     * @param cursor    the parser cursor containing the current position and
+     *                  the bounds within the buffer for the parsing operation
+     *
+     * @return  an array holding all elements of the header value
+     *
+     * @throws ParseException        in case of a parse error
+     */
+    HeaderElement[] parseElements(
+            CharArrayBuffer buffer,
+            ParserCursor cursor) throws ParseException;
+
+    /**
+     * Parses a single header element.
+     * A header element consist of a semicolon-separate list
+     * of name=value definitions.
+     *
+     * @param buffer    buffer holding the element to parse
+     * @param cursor    the parser cursor containing the current position and
+     *                  the bounds within the buffer for the parsing operation
+     *
+     * @return  the parsed element
+     *
+     * @throws ParseException        in case of a parse error
+     */
+    HeaderElement parseHeaderElement(
+            CharArrayBuffer buffer,
+            ParserCursor cursor) throws ParseException;
+
+    /**
+     * Parses a list of name-value pairs.
+     * These lists are used to specify parameters to a header element.
+     * Parse errors are indicated as <code>ParseException</code>.
+     *
+     * @param buffer    buffer holding the name-value list to parse
+     * @param cursor    the parser cursor containing the current position and
+     *                  the bounds within the buffer for the parsing operation
+     *
+     * @return  an array holding all items of the name-value list
+     *
+     * @throws ParseException        in case of a parse error
+     */
+    NameValuePair[] parseParameters(
+            CharArrayBuffer buffer,
+            ParserCursor cursor) throws ParseException;
+
+
+    /**
+     * Parses a name=value specification, where the = and value are optional.
+     *
+     * @param buffer    the buffer holding the name-value pair to parse
+     * @param cursor    the parser cursor containing the current position and
+     *                  the bounds within the buffer for the parsing operation
+     *
+     * @return  the name-value pair, where the value is <code>null</code>
+     *          if no value is specified
+     */
+    NameValuePair parseNameValuePair(
+            CharArrayBuffer buffer,
+            ParserCursor cursor) throws ParseException;
+
+}
+