1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/message/BufferedHeader.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,129 @@
1.4 +/*
1.5 + * ====================================================================
1.6 + * Licensed to the Apache Software Foundation (ASF) under one
1.7 + * or more contributor license agreements. See the NOTICE file
1.8 + * distributed with this work for additional information
1.9 + * regarding copyright ownership. The ASF licenses this file
1.10 + * to you under the Apache License, Version 2.0 (the
1.11 + * "License"); you may not use this file except in compliance
1.12 + * with the License. You may obtain a copy of the License at
1.13 + *
1.14 + * http://www.apache.org/licenses/LICENSE-2.0
1.15 + *
1.16 + * Unless required by applicable law or agreed to in writing,
1.17 + * software distributed under the License is distributed on an
1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
1.19 + * KIND, either express or implied. See the License for the
1.20 + * specific language governing permissions and limitations
1.21 + * under the License.
1.22 + * ====================================================================
1.23 + *
1.24 + * This software consists of voluntary contributions made by many
1.25 + * individuals on behalf of the Apache Software Foundation. For more
1.26 + * information on the Apache Software Foundation, please see
1.27 + * <http://www.apache.org/>.
1.28 + *
1.29 + */
1.30 +
1.31 +package ch.boye.httpclientandroidlib.message;
1.32 +
1.33 +import java.io.Serializable;
1.34 +
1.35 +import ch.boye.httpclientandroidlib.FormattedHeader;
1.36 +import ch.boye.httpclientandroidlib.HeaderElement;
1.37 +import ch.boye.httpclientandroidlib.ParseException;
1.38 +import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
1.39 +
1.40 +/**
1.41 + * This class represents a raw HTTP header whose content is parsed 'on demand'
1.42 + * only when the header value needs to be consumed.
1.43 + *
1.44 + * @since 4.0
1.45 + */
1.46 +public class BufferedHeader implements FormattedHeader, Cloneable, Serializable {
1.47 +
1.48 + private static final long serialVersionUID = -2768352615787625448L;
1.49 +
1.50 + /**
1.51 + * Header name.
1.52 + */
1.53 + private final String name;
1.54 +
1.55 + /**
1.56 + * The buffer containing the entire header line.
1.57 + */
1.58 + private final CharArrayBuffer buffer;
1.59 +
1.60 + /**
1.61 + * The beginning of the header value in the buffer
1.62 + */
1.63 + private final int valuePos;
1.64 +
1.65 +
1.66 + /**
1.67 + * Creates a new header from a buffer.
1.68 + * The name of the header will be parsed immediately,
1.69 + * the value only if it is accessed.
1.70 + *
1.71 + * @param buffer the buffer containing the header to represent
1.72 + *
1.73 + * @throws ParseException in case of a parse error
1.74 + */
1.75 + public BufferedHeader(final CharArrayBuffer buffer)
1.76 + throws ParseException {
1.77 +
1.78 + super();
1.79 + if (buffer == null) {
1.80 + throw new IllegalArgumentException
1.81 + ("Char array buffer may not be null");
1.82 + }
1.83 + int colon = buffer.indexOf(':');
1.84 + if (colon == -1) {
1.85 + throw new ParseException
1.86 + ("Invalid header: " + buffer.toString());
1.87 + }
1.88 + String s = buffer.substringTrimmed(0, colon);
1.89 + if (s.length() == 0) {
1.90 + throw new ParseException
1.91 + ("Invalid header: " + buffer.toString());
1.92 + }
1.93 + this.buffer = buffer;
1.94 + this.name = s;
1.95 + this.valuePos = colon + 1;
1.96 + }
1.97 +
1.98 +
1.99 + public String getName() {
1.100 + return this.name;
1.101 + }
1.102 +
1.103 + public String getValue() {
1.104 + return this.buffer.substringTrimmed(this.valuePos, this.buffer.length());
1.105 + }
1.106 +
1.107 + public HeaderElement[] getElements() throws ParseException {
1.108 + ParserCursor cursor = new ParserCursor(0, this.buffer.length());
1.109 + cursor.updatePos(this.valuePos);
1.110 + return BasicHeaderValueParser.DEFAULT
1.111 + .parseElements(this.buffer, cursor);
1.112 + }
1.113 +
1.114 + public int getValuePos() {
1.115 + return this.valuePos;
1.116 + }
1.117 +
1.118 + public CharArrayBuffer getBuffer() {
1.119 + return this.buffer;
1.120 + }
1.121 +
1.122 + public String toString() {
1.123 + return this.buffer.toString();
1.124 + }
1.125 +
1.126 + public Object clone() throws CloneNotSupportedException {
1.127 + // buffer is considered immutable
1.128 + // no need to make a copy of it
1.129 + return super.clone();
1.130 + }
1.131 +
1.132 +}
