| /* |
| * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/impl/cookie/BestMatchSpec.java $ |
| * $Revision: 657334 $ |
| * $Date: 2008-05-17 04:44:16 -0700 (Sat, 17 May 2008) $ |
| * |
| * ==================================================================== |
| * 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 org.apache.http.impl.cookie; |
| |
| import java.util.List; |
| |
| import org.apache.http.Header; |
| import org.apache.http.HeaderElement; |
| import org.apache.http.cookie.Cookie; |
| import org.apache.http.cookie.CookieOrigin; |
| import org.apache.http.cookie.CookieSpec; |
| import org.apache.http.cookie.MalformedCookieException; |
| |
| /** |
| * 'Meta' cookie specification that selects a cookie policy depending |
| * on the format of the cookie(s) |
| * |
| * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a> |
| * |
| * @since 4.0 |
| */ |
| public class BestMatchSpec implements CookieSpec { |
| |
| private final String[] datepatterns; |
| private final boolean oneHeader; |
| |
| private RFC2965Spec strict; |
| private BrowserCompatSpec compat; |
| private NetscapeDraftSpec netscape; |
| |
| public BestMatchSpec(final String[] datepatterns, boolean oneHeader) { |
| super(); |
| this.datepatterns = datepatterns; |
| this.oneHeader = oneHeader; |
| } |
| |
| public BestMatchSpec() { |
| this(null, false); |
| } |
| |
| private RFC2965Spec getStrict() { |
| if (this.strict == null) { |
| this.strict = new RFC2965Spec(this.datepatterns, this.oneHeader); |
| } |
| return strict; |
| } |
| |
| private BrowserCompatSpec getCompat() { |
| if (this.compat == null) { |
| this.compat = new BrowserCompatSpec(this.datepatterns); |
| } |
| return compat; |
| } |
| |
| private NetscapeDraftSpec getNetscape() { |
| if (this.netscape == null) { |
| String[] patterns = this.datepatterns; |
| if (patterns == null) { |
| patterns = BrowserCompatSpec.DATE_PATTERNS; |
| } |
| this.netscape = new NetscapeDraftSpec(patterns); |
| } |
| return netscape; |
| } |
| |
| public List<Cookie> parse( |
| final Header header, |
| final CookieOrigin origin) throws MalformedCookieException { |
| if (header == null) { |
| throw new IllegalArgumentException("Header may not be null"); |
| } |
| if (origin == null) { |
| throw new IllegalArgumentException("Cookie origin may not be null"); |
| } |
| HeaderElement[] helems = header.getElements(); |
| boolean versioned = false; |
| boolean netscape = false; |
| for (HeaderElement helem: helems) { |
| if (helem.getParameterByName("version") != null) { |
| versioned = true; |
| } |
| if (helem.getParameterByName("expires") != null) { |
| netscape = true; |
| } |
| } |
| if (netscape) { |
| |
| } |
| // Do we have a cookie with a version attribute? |
| if (versioned) { |
| return getStrict().parse(helems, origin); |
| } else if (netscape) { |
| // Need to parse the header again, |
| // because Netscape draft cannot handle |
| // comma separators |
| return getNetscape().parse(header, origin); |
| } else { |
| return getCompat().parse(helems, origin); |
| } |
| } |
| |
| public void validate( |
| final Cookie cookie, |
| final CookieOrigin origin) throws MalformedCookieException { |
| if (cookie == null) { |
| throw new IllegalArgumentException("Cookie may not be null"); |
| } |
| if (origin == null) { |
| throw new IllegalArgumentException("Cookie origin may not be null"); |
| } |
| if (cookie.getVersion() > 0) { |
| getStrict().validate(cookie, origin); |
| } else { |
| getCompat().validate(cookie, origin); |
| } |
| } |
| |
| public boolean match(final Cookie cookie, final CookieOrigin origin) { |
| if (cookie == null) { |
| throw new IllegalArgumentException("Cookie may not be null"); |
| } |
| if (origin == null) { |
| throw new IllegalArgumentException("Cookie origin may not be null"); |
| } |
| if (cookie.getVersion() > 0) { |
| return getStrict().match(cookie, origin); |
| } else { |
| return getCompat().match(cookie, origin); |
| } |
| } |
| |
| public List<Header> formatCookies(final List<Cookie> cookies) { |
| if (cookies == null) { |
| throw new IllegalArgumentException("List of cookie may not be null"); |
| } |
| int version = Integer.MAX_VALUE; |
| for (Cookie cookie: cookies) { |
| if (cookie.getVersion() < version) { |
| version = cookie.getVersion(); |
| } |
| } |
| if (version > 0) { |
| return getStrict().formatCookies(cookies); |
| } else { |
| return getCompat().formatCookies(cookies); |
| } |
| } |
| |
| public int getVersion() { |
| return getStrict().getVersion(); |
| } |
| |
| public Header getVersionHeader() { |
| return getStrict().getVersionHeader(); |
| } |
| |
| } |