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+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/params/CoreProtocolPNames.java $
+ * $Revision: 576077 $
+ * $Date: 2007-09-16 04:50:22 -0700 (Sun, 16 Sep 2007) $
+ *
+ * ====================================================================
+ * 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.params;
+
+
+/**
+ * Defines parameter names for protocol execution in HttpCore.
+ *
+ * @version $Revision: 576077 $
+ *
+ * @since 4.0
+ */
+public interface CoreProtocolPNames {
+
+ /**
+ * Defines the {@link org.apache.http.ProtocolVersion protocol version}
+ * used per default.
+ * <p>
+ * This parameter expects a value of type
+ * {@link org.apache.http.ProtocolVersion}.
+ * </p>
+ */
+ public static final String PROTOCOL_VERSION = "http.protocol.version";
+
+ /**
+ * Defines the charset to be used for encoding HTTP protocol elements.
+ * <p>
+ * This parameter expects a value of type {@link String}.
+ * </p>
+ */
+ public static final String HTTP_ELEMENT_CHARSET = "http.protocol.element-charset";
+
+ /**
+ * Defines the charset to be used per default for encoding content body.
+ * <p>
+ * This parameter expects a value of type {@link String}.
+ * </p>
+ */
+ public static final String HTTP_CONTENT_CHARSET = "http.protocol.content-charset";
+
+ /**
+ * Defines the content of the <tt>User-Agent</tt> header.
+ * <p>
+ * This parameter expects a value of type {@link String}.
+ * </p>
+ */
+ public static final String USER_AGENT = "http.useragent";
+
+ /**
+ * Defines the content of the <tt>Server</tt> header.
+ * <p>
+ * This parameter expects a value of type {@link String}.
+ * </p>
+ */
+ public static final String ORIGIN_SERVER = "http.origin-server";
+
+ /**
+ * Defines whether responses with an invalid <tt>Transfer-Encoding</tt> header should be
+ * rejected.
+ * <p>
+ * This parameter expects a value of type {@link Boolean}.
+ * </p>
+ */
+ public static final String STRICT_TRANSFER_ENCODING = "http.protocol.strict-transfer-encoding";
+
+ /**
+ * <p>
+ * Activates 'Expect: 100-Continue' handshake for the
+ * entity enclosing methods. The purpose of the 'Expect: 100-Continue'
+ * handshake to allow a client that is sending a request message with
+ * a request body to determine if the origin server is willing to
+ * accept the request (based on the request headers) before the client
+ * sends the request body.
+ * </p>
+ *
+ * <p>
+ * The use of the 'Expect: 100-continue' handshake can result in
+ * noticable peformance improvement for entity enclosing requests
+ * (such as POST and PUT) that require the target server's
+ * authentication.
+ * </p>
+ *
+ * <p>
+ * 'Expect: 100-continue' handshake should be used with
+ * caution, as it may cause problems with HTTP servers and
+ * proxies that do not support HTTP/1.1 protocol.
+ * </p>
+ *
+ * This parameter expects a value of type {@link Boolean}.
+ */
+ public static final String USE_EXPECT_CONTINUE = "http.protocol.expect-continue";
+
+ /**
+ * <p>
+ * Defines the maximum period of time in milliseconds the client should spend
+ * waiting for a 100-continue response.
+ * </p>
+ *
+ * This parameter expects a value of type {@link Integer}.
+ */
+ public static final String WAIT_FOR_CONTINUE = "http.protocol.wait-for-continue";
+
+}