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Java example source code file (AbstractCookieSpec.java)

This example source code file (AbstractCookieSpec.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java tags/keywords

abstractcookiespec, collection, cookieattributehandler, hashmap, illegalargumentexception, illegalstateexception, notthreadsafe, string, util

The AbstractCookieSpec.java example source code

 * ====================================================================
 * 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
 * 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.Collection;
import java.util.HashMap;
import java.util.Map;

import org.apache.http.annotation.NotThreadSafe;

import org.apache.http.cookie.CookieAttributeHandler;
import org.apache.http.cookie.CookieSpec;

 * Abstract cookie specification which can delegate the job of parsing,
 * validation or matching cookie attributes to a number of arbitrary 
 * {@link CookieAttributeHandler}s.
 * @since 4.0 
@NotThreadSafe // HashMap is not thread-safe
public abstract class AbstractCookieSpec implements CookieSpec {
    * Stores attribute name -> attribute handler mappings
    private final Map<String, CookieAttributeHandler> attribHandlerMap;

     * Default constructor 
     * */
    public AbstractCookieSpec() {
        this.attribHandlerMap = new HashMap<String, CookieAttributeHandler>(10);        

    public void registerAttribHandler(
            final String name, final CookieAttributeHandler handler) {
        if (name == null) {
            throw new IllegalArgumentException("Attribute name may not be null");
        if (handler == null) {
            throw new IllegalArgumentException("Attribute handler may not be null");
        this.attribHandlerMap.put(name, handler);
     * Finds an attribute handler {@link CookieAttributeHandler} for the
     * given attribute. Returns <tt>null if no attribute handler is
     * found for the specified attribute.
     * @param name attribute name. e.g. Domain, Path, etc.
     * @return an attribute handler or <tt>null
    protected CookieAttributeHandler findAttribHandler(final String name) {
        return this.attribHandlerMap.get(name);
     * Gets attribute handler {@link CookieAttributeHandler} for the
     * given attribute.
     * @param name attribute name. e.g. Domain, Path, etc.
     * @throws IllegalStateException if handler not found for the
     *          specified attribute.
    protected CookieAttributeHandler getAttribHandler(final String name) {
        CookieAttributeHandler handler = findAttribHandler(name);
        if (handler == null) {
            throw new IllegalStateException("Handler not registered for " +
                                            name + " attribute.");
        } else {
            return handler;

    protected Collection<CookieAttributeHandler> getAttribHandlers() {
        return this.attribHandlerMap.values();

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