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/*
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 * 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
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * Unless required by applicable law or agreed to in writing,
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 * KIND, either express or implied.  See the License for the
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package org.apache.http.impl.cookie;

import java.util.ArrayList;
import java.util.List;

import org.apache.http.FormattedHeader;
import org.apache.http.Header;
import org.apache.http.HeaderElement;
import org.apache.http.annotation.Contract;
import org.apache.http.annotation.Obsolete;
import org.apache.http.annotation.ThreadingBehavior;
import org.apache.http.cookie.CommonCookieAttributeHandler;
import org.apache.http.cookie.Cookie;
import org.apache.http.cookie.CookieOrigin;
import org.apache.http.cookie.MalformedCookieException;
import org.apache.http.cookie.SM;
import org.apache.http.message.BufferedHeader;
import org.apache.http.message.ParserCursor;
import org.apache.http.util.Args;
import org.apache.http.util.CharArrayBuffer;

/**
 * This {@link org.apache.http.cookie.CookieSpec} implementation conforms to
 * the original draft specification published by Netscape Communications.
 * It should be avoided unless absolutely necessary for compatibility with
 * legacy applications.
 * 

* Rendered obsolete by {@link org.apache.http.impl.cookie.RFC6265LaxSpec}. * * @since 4.0 * @see org.apache.http.impl.cookie.RFC6265LaxSpec */ @Obsolete @Contract(threading = ThreadingBehavior.SAFE) public class NetscapeDraftSpec extends CookieSpecBase { protected static final String EXPIRES_PATTERN = "EEE, dd-MMM-yy HH:mm:ss z"; /** Default constructor */ public NetscapeDraftSpec(final String[] datepatterns) { super(new BasicPathHandler(), new NetscapeDomainHandler(), new BasicSecureHandler(), new BasicCommentHandler(), new BasicExpiresHandler( datepatterns != null ? datepatterns.clone() : new String[]{EXPIRES_PATTERN})); } NetscapeDraftSpec(final CommonCookieAttributeHandler... handlers) { super(handlers); } public NetscapeDraftSpec() { this((String[]) null); } /** * Parses the Set-Cookie value into an array of {@code Cookie}s. * *

Syntax of the Set-Cookie HTTP Response Header:

* *

This is the format a CGI script would use to add to * the HTTP headers a new piece of data which is to be stored by * the client for later retrieval.

* *
      *  Set-Cookie: NAME=VALUE; expires=DATE; path=PATH; domain=DOMAIN_NAME; secure
      * 
* *

Please note that the Netscape draft specification does not fully conform to the HTTP * header format. Comma character if present in {@code Set-Cookie} will not be treated * as a header element separator

* * @see * The Cookie Spec. * * @param header the {@code Set-Cookie} received from the server * @return an array of {@code Cookie}s parsed from the Set-Cookie value * @throws MalformedCookieException if an exception occurs during parsing */ @Override public List parse(final Header header, final CookieOrigin origin) throws MalformedCookieException { Args.notNull(header, "Header"); Args.notNull(origin, "Cookie origin"); if (!header.getName().equalsIgnoreCase(SM.SET_COOKIE)) { throw new MalformedCookieException("Unrecognized cookie header '" + header.toString() + "'"); } final NetscapeDraftHeaderParser parser = NetscapeDraftHeaderParser.DEFAULT; final CharArrayBuffer buffer; final ParserCursor cursor; if (header instanceof FormattedHeader) { buffer = ((FormattedHeader) header).getBuffer(); cursor = new ParserCursor( ((FormattedHeader) header).getValuePos(), buffer.length()); } else { final String s = header.getValue(); if (s == null) { throw new MalformedCookieException("Header value is null"); } buffer = new CharArrayBuffer(s.length()); buffer.append(s); cursor = new ParserCursor(0, buffer.length()); } return parse(new HeaderElement[] { parser.parseHeader(buffer, cursor) }, origin); } @Override public List
formatCookies(final List cookies) { Args.notEmpty(cookies, "List of cookies"); final CharArrayBuffer buffer = new CharArrayBuffer(20 * cookies.size()); buffer.append(SM.COOKIE); buffer.append(": "); for (int i = 0; i < cookies.size(); i++) { final Cookie cookie = cookies.get(i); if (i > 0) { buffer.append("; "); } buffer.append(cookie.getName()); final String s = cookie.getValue(); if (s != null) { buffer.append("="); buffer.append(s); } } final List
headers = new ArrayList
(1); headers.add(new BufferedHeader(buffer)); return headers; } @Override public int getVersion() { return 0; } @Override public Header getVersionHeader() { return null; } @Override public String toString() { return "netscape"; } }




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