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Diffstat (limited to 'mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/HeaderValueParser.java')
| -rw-r--r-- | mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/HeaderValueParser.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/HeaderValueParser.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/HeaderValueParser.java new file mode 100644 index 000000000..5286249c7 --- /dev/null +++ b/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*<any char except "=", ",", ";", <"> and + * white space> + * quoted-string = <"> *( text | quoted-char ) <"> + * text = any char except <"> + * 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; + +} + |