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mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/cookie/NetscapeDraftHeaderParser.java@b8a032363ba2 (annotated)

mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/cookie/NetscapeDraftHeaderParser.java

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/*
michael@0	2	* ====================================================================
michael@0	3	* Licensed to the Apache Software Foundation (ASF) under one
michael@0	4	* or more contributor license agreements. See the NOTICE file
michael@0	5	* distributed with this work for additional information
michael@0	6	* regarding copyright ownership. The ASF licenses this file
michael@0	7	* to you under the Apache License, Version 2.0 (the
michael@0	8	* "License"); you may not use this file except in compliance
michael@0	9	* with the License. You may obtain a copy of the License at
michael@0	10	*
michael@0	11	* http://www.apache.org/licenses/LICENSE-2.0
michael@0	12	*
michael@0	13	* Unless required by applicable law or agreed to in writing,
michael@0	14	* software distributed under the License is distributed on an
michael@0	15	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0	16	* KIND, either express or implied. See the License for the
michael@0	17	* specific language governing permissions and limitations
michael@0	18	* under the License.
michael@0	19	* ====================================================================
michael@0	20	*
michael@0	21	* This software consists of voluntary contributions made by many
michael@0	22	* individuals on behalf of the Apache Software Foundation. For more
michael@0	23	* information on the Apache Software Foundation, please see
michael@0	24	* <http://www.apache.org/>.
michael@0	25	*
michael@0	26	*/
michael@0	27
michael@0	28	package ch.boye.httpclientandroidlib.impl.cookie;
michael@0	29
michael@0	30	import java.util.ArrayList;
michael@0	31	import java.util.List;
michael@0	32
michael@0	33	import ch.boye.httpclientandroidlib.annotation.Immutable;
michael@0	34
michael@0	35	import ch.boye.httpclientandroidlib.HeaderElement;
michael@0	36	import ch.boye.httpclientandroidlib.NameValuePair;
michael@0	37	import ch.boye.httpclientandroidlib.ParseException;
michael@0	38	import ch.boye.httpclientandroidlib.message.BasicHeaderElement;
michael@0	39	import ch.boye.httpclientandroidlib.message.BasicNameValuePair;
michael@0	40	import ch.boye.httpclientandroidlib.message.ParserCursor;
michael@0	41	import ch.boye.httpclientandroidlib.protocol.HTTP;
michael@0	42	import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
michael@0	43
michael@0	44	/**
michael@0	45	*
michael@0	46	* @since 4.0
michael@0	47	*/
michael@0	48	@Immutable
michael@0	49	public class NetscapeDraftHeaderParser {
michael@0	50
michael@0	51	public final static NetscapeDraftHeaderParser DEFAULT = new NetscapeDraftHeaderParser();
michael@0	52
michael@0	53	public NetscapeDraftHeaderParser() {
michael@0	54	super();
michael@0	55	}
michael@0	56
michael@0	57	public HeaderElement parseHeader(
michael@0	58	final CharArrayBuffer buffer,
michael@0	59	final ParserCursor cursor) throws ParseException {
michael@0	60	if (buffer == null) {
michael@0	61	throw new IllegalArgumentException("Char array buffer may not be null");
michael@0	62	}
michael@0	63	if (cursor == null) {
michael@0	64	throw new IllegalArgumentException("Parser cursor may not be null");
michael@0	65	}
michael@0	66	NameValuePair nvp = parseNameValuePair(buffer, cursor);
michael@0	67	List<NameValuePair> params = new ArrayList<NameValuePair>();
michael@0	68	while (!cursor.atEnd()) {
michael@0	69	NameValuePair param = parseNameValuePair(buffer, cursor);
michael@0	70	params.add(param);
michael@0	71	}
michael@0	72	return new BasicHeaderElement(
michael@0	73	nvp.getName(),
michael@0	74	nvp.getValue(), params.toArray(new NameValuePair[params.size()]));
michael@0	75	}
michael@0	76
michael@0	77	private NameValuePair parseNameValuePair(
michael@0	78	final CharArrayBuffer buffer, final ParserCursor cursor) {
michael@0	79	boolean terminated = false;
michael@0	80
michael@0	81	int pos = cursor.getPos();
michael@0	82	int indexFrom = cursor.getPos();
michael@0	83	int indexTo = cursor.getUpperBound();
michael@0	84
michael@0	85	// Find name
michael@0	86	String name = null;
michael@0	87	while (pos < indexTo) {
michael@0	88	char ch = buffer.charAt(pos);
michael@0	89	if (ch == '=') {
michael@0	90	break;
michael@0	91	}
michael@0	92	if (ch == ';') {
michael@0	93	terminated = true;
michael@0	94	break;
michael@0	95	}
michael@0	96	pos++;
michael@0	97	}
michael@0	98
michael@0	99	if (pos == indexTo) {
michael@0	100	terminated = true;
michael@0	101	name = buffer.substringTrimmed(indexFrom, indexTo);
michael@0	102	} else {
michael@0	103	name = buffer.substringTrimmed(indexFrom, pos);
michael@0	104	pos++;
michael@0	105	}
michael@0	106
michael@0	107	if (terminated) {
michael@0	108	cursor.updatePos(pos);
michael@0	109	return new BasicNameValuePair(name, null);
michael@0	110	}
michael@0	111
michael@0	112	// Find value
michael@0	113	String value = null;
michael@0	114	int i1 = pos;
michael@0	115
michael@0	116	while (pos < indexTo) {
michael@0	117	char ch = buffer.charAt(pos);
michael@0	118	if (ch == ';') {
michael@0	119	terminated = true;
michael@0	120	break;
michael@0	121	}
michael@0	122	pos++;
michael@0	123	}
michael@0	124
michael@0	125	int i2 = pos;
michael@0	126	// Trim leading white spaces
michael@0	127	while (i1 < i2 && (HTTP.isWhitespace(buffer.charAt(i1)))) {
michael@0	128	i1++;
michael@0	129	}
michael@0	130	// Trim trailing white spaces
michael@0	131	while ((i2 > i1) && (HTTP.isWhitespace(buffer.charAt(i2 - 1)))) {
michael@0	132	i2--;
michael@0	133	}
michael@0	134	value = buffer.substring(i1, i2);
michael@0	135	if (terminated) {
michael@0	136	pos++;
michael@0	137	}
michael@0	138	cursor.updatePos(pos);
michael@0	139	return new BasicNameValuePair(name, value);
michael@0	140	}
michael@0	141
michael@0	142	}