1 files changed, 146 insertions, 0 deletions
diff --git a/src/org/apache/http/client/protocol/ResponseProcessCookies.java b/src/org/apache/http/client/protocol/ResponseProcessCookies.java
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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/protocol/ResponseProcessCookies.java $
+ * $Revision: 673450 $
+ * $Date: 2008-07-02 10:35:05 -0700 (Wed, 02 Jul 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.client.protocol;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.http.Header;
+import org.apache.http.HeaderIterator;
+import org.apache.http.HttpException;
+import org.apache.http.HttpResponse;
+import org.apache.http.HttpResponseInterceptor;
+import org.apache.http.client.CookieStore;
+import org.apache.http.cookie.Cookie;
+import org.apache.http.cookie.CookieOrigin;
+import org.apache.http.cookie.CookieSpec;
+import org.apache.http.cookie.MalformedCookieException;
+import org.apache.http.cookie.SM;
+import org.apache.http.protocol.HttpContext;
+
+/**
+ * Response interceptor that populates the current {@link CookieStore} with data 
+ * contained in response cookies received in the given the HTTP response.
+ *
+ * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
+ *
+ * @version $Revision: 673450 $
+ * 
+ * @since 4.0
+ */
+public class ResponseProcessCookies implements HttpResponseInterceptor {
+
+    private final Log log = LogFactory.getLog(getClass());
+    
+    public ResponseProcessCookies() {
+        super();
+    }
+    
+    public void process(final HttpResponse response, final HttpContext context) 
+            throws HttpException, IOException {
+        if (response == null) {
+            throw new IllegalArgumentException("HTTP request may not be null");
+        }
+        if (context == null) {
+            throw new IllegalArgumentException("HTTP context may not be null");
+        }
+        
+        // Obtain cookie store
+        CookieStore cookieStore = (CookieStore) context.getAttribute(
+                ClientContext.COOKIE_STORE);
+        if (cookieStore == null) {
+            this.log.info("Cookie store not available in HTTP context");
+            return;
+        }
+        // Obtain actual CookieSpec instance
+        CookieSpec cookieSpec = (CookieSpec) context.getAttribute(
+                ClientContext.COOKIE_SPEC);
+        if (cookieSpec == null) {
+            this.log.info("CookieSpec not available in HTTP context");
+            return;
+        }
+        // Obtain actual CookieOrigin instance
+        CookieOrigin cookieOrigin = (CookieOrigin) context.getAttribute(
+                ClientContext.COOKIE_ORIGIN);
+        if (cookieOrigin == null) {
+            this.log.info("CookieOrigin not available in HTTP context");
+            return;
+        }
+        HeaderIterator it = response.headerIterator(SM.SET_COOKIE);
+        processCookies(it, cookieSpec, cookieOrigin, cookieStore);
+        
+        // see if the cookie spec supports cookie versioning.
+        if (cookieSpec.getVersion() > 0) {
+            // process set-cookie2 headers.
+            // Cookie2 will replace equivalent Cookie instances
+            it = response.headerIterator(SM.SET_COOKIE2);
+            processCookies(it, cookieSpec, cookieOrigin, cookieStore);
+        }
+    }
+     
+    private void processCookies(
+            final HeaderIterator iterator, 
+            final CookieSpec cookieSpec,
+            final CookieOrigin cookieOrigin,
+            final CookieStore cookieStore) {
+        while (iterator.hasNext()) {
+            Header header = iterator.nextHeader();
+            try {
+                List<Cookie> cookies = cookieSpec.parse(header, cookieOrigin);
+                for (Cookie cookie : cookies) {
+                    try {
+                        cookieSpec.validate(cookie, cookieOrigin);
+                        cookieStore.addCookie(cookie);
+
+                        if (this.log.isDebugEnabled()) {
+                            this.log.debug("Cookie accepted: \""
+                                    + cookie + "\". ");
+                        }
+                    } catch (MalformedCookieException ex) {
+                        if (this.log.isWarnEnabled()) {
+                            this.log.warn("Cookie rejected: \""
+                                    + cookie + "\". " + ex.getMessage());
+                        }
+                    }
+                }
+            } catch (MalformedCookieException ex) {
+                if (this.log.isWarnEnabled()) {
+                    this.log.warn("Invalid cookie header: \""
+                            + header + "\". " + ex.getMessage());
+                }
+            }
+        }
+    }
+    
+}