diff options
Diffstat (limited to 'src/org/apache/http/impl/cookie/BestMatchSpec.java')
| -rw-r--r-- | src/org/apache/http/impl/cookie/BestMatchSpec.java | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/cookie/BestMatchSpec.java b/src/org/apache/http/impl/cookie/BestMatchSpec.java new file mode 100644 index 0000000..e33fec3 --- /dev/null +++ b/src/org/apache/http/impl/cookie/BestMatchSpec.java @@ -0,0 +1,186 @@ +/* + * $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(); + } + +}
\ No newline at end of file |