/*
 * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/params/ClientPNames.java $
 * $Revision: 659595 $
 * $Date: 2008-05-23 09:47:14 -0700 (Fri, 23 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.client.params;


/**
 * Parameter names for the HttpClient module.
 * This does not include parameters for informational units
 * HttpAuth, HttpCookie, or HttpConn.
 *
 * @version $Revision: 659595 $
 * 
 * @since 4.0
 */
public interface ClientPNames {

    /**
     * Defines the class name of the default {@link org.apache.http.conn.ClientConnectionManager}
     * <p>
     * This parameter expects a value of type {@link String}.
     * </p>
     */ 
    public static final String CONNECTION_MANAGER_FACTORY_CLASS_NAME = "http.connection-manager.factory-class-name";
    
    /**
     * Defines the factory to create a default {@link org.apache.http.conn.ClientConnectionManager}.
     * <p>
     * This parameters expects a value of type {@link org.apache.http.conn.ClientConnectionManagerFactory}.
     * </p>
     */
    public static final String CONNECTION_MANAGER_FACTORY = "http.connection-manager.factory-object";
    
    /** 
     * Defines whether redirects should be handled automatically
     * <p>
     * This parameter expects a value of type {@link Boolean}.
     * </p>
     */
    public static final String HANDLE_REDIRECTS = "http.protocol.handle-redirects";

    /**
     * Defines whether relative redirects should be rejected.
     * <p>
     * This parameter expects a value of type {@link Boolean}.
     * </p>
     */
    public static final String REJECT_RELATIVE_REDIRECT = "http.protocol.reject-relative-redirect"; 

    /** 
     * Defines the maximum number of redirects to be followed. 
     * The limit on number of redirects is intended to prevent infinite loops. 
     * <p>
     * This parameter expects a value of type {@link Integer}.
     * </p>
     */
    public static final String MAX_REDIRECTS = "http.protocol.max-redirects";

    /** 
     * Defines whether circular redirects (redirects to the same location) should be allowed. 
     * The HTTP spec is not sufficiently clear whether circular redirects are permitted, 
     * therefore optionally they can be enabled
     * <p>
     * This parameter expects a value of type {@link Boolean}.
     * </p>
     */
    public static final String ALLOW_CIRCULAR_REDIRECTS = "http.protocol.allow-circular-redirects";

    /**
     * Defines whether authentication should be handled automatically.
     * <p>
     * This parameter expects a value of type {@link Boolean}.
     * </p>
     */
    public static final String HANDLE_AUTHENTICATION = "http.protocol.handle-authentication";

    /**
     * Defines the name of the cookie specification to be used for HTTP state management.
     * <p>
     * This parameter expects a value of type {@link String}.
     * </p>
     */
    public static final String COOKIE_POLICY = "http.protocol.cookie-policy";
    
    /**
     * Defines the virtual host name.
     * <p>
     * This parameter expects a value of type {@link org.apache.http.HttpHost}. 
     * </p>
     */
    public static final String VIRTUAL_HOST = "http.virtual-host"; 

    /**
     * Defines the request headers to be sent per default with each request.
     * <p>
     * This parameter expects a value of type {@link java.util.Collection}. The 
     * collection is expected to contain {@link org.apache.http.Header}s. 
     * </p>
     */
    public static final String DEFAULT_HEADERS = "http.default-headers"; 
    
    /**
     * Defines the default host. The default value will be used if the target host is
     * not explicitly specified in the request URI.
     * <p>
     * This parameter expects a value of type {@link org.apache.http.HttpHost}.
     * </p>
     */
    public static final String DEFAULT_HOST = "http.default-host";

}