diff --git a/module-client/src/main/java/org/apache/http/impl/cookie/BestMatchSpec.java b/module-client/src/main/java/org/apache/http/impl/cookie/BestMatchSpec.java
new file mode 100644
index 000000000..4b4c58ee6
--- /dev/null
+++ b/module-client/src/main/java/org/apache/http/impl/cookie/BestMatchSpec.java
@@ -0,0 +1,182 @@
+/*
+ * $HeadURL$
+ * $Revision$
+ * $Date$
+ *
+ * ====================================================================
+ * 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
+ * .
+ *
+ */
+
+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 Oleg Kalnichevski
+ *
+ * @since 4.0
+ */
+public class BestMatchSpec implements CookieSpec {
+
+ private final String[] datepatterns;
+ private final boolean oneHeader;
+
+ private RFC2965Spec strict = null;
+ private BrowserCompatSpec compat = null;
+ private NetscapeDraftSpec netscape = null;
+
+ 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) {
+ this.netscape = new NetscapeDraftSpec();
+ }
+ return netscape;
+ }
+
+ public List 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("expiry") != 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 formatCookies(final List cookies) {
+ if (cookies == null) {
+ throw new IllegalArgumentException("List of cookie may not be null");
+ }
+ int version = 0;
+ 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
diff --git a/module-client/src/main/java/org/apache/http/impl/cookie/BestMatchSpecFactory.java b/module-client/src/main/java/org/apache/http/impl/cookie/BestMatchSpecFactory.java
new file mode 100644
index 000000000..19f429bc6
--- /dev/null
+++ b/module-client/src/main/java/org/apache/http/impl/cookie/BestMatchSpecFactory.java
@@ -0,0 +1,57 @@
+/*
+ * $HeadURL$
+ * $Revision$
+ * $Date$
+ *
+ * ====================================================================
+ * 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
+ * .
+ *
+ */
+
+package org.apache.http.impl.cookie;
+
+import org.apache.http.cookie.CookieSpec;
+import org.apache.http.cookie.CookieSpecFactory;
+import org.apache.http.cookie.params.CookieSpecPNames;
+import org.apache.http.params.HttpParams;
+
+/**
+ *
+ * @author Oleg Kalnichevski
+ *
+ * @since 4.0
+ */
+public class BestMatchSpecFactory implements CookieSpecFactory {
+
+ public CookieSpec newInstance(final HttpParams params) {
+ if (params != null) {
+ return new BestMatchSpec(
+ (String []) params.getParameter(CookieSpecPNames.DATE_PATTERNS),
+ params.getBooleanParameter(CookieSpecPNames.SINGLE_COOKIE_HEADER, false));
+ } else {
+ return new BestMatchSpec();
+ }
+ }
+
+}