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/*
* $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/protocol/HTTP.java $
* $Revision: 555989 $
* $Date: 2007-07-13 06:33:39 -0700 (Fri, 13 Jul 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.protocol;
/**
* Constants and static helpers related to the HTTP protocol.
*
* @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
*
* @version $Revision: 555989 $
*
* @since 4.0
*/
public final class HTTP {
public static final int CR = 13; // <US-ASCII CR, carriage return (13)>
public static final int LF = 10; // <US-ASCII LF, linefeed (10)>
public static final int SP = 32; // <US-ASCII SP, space (32)>
public static final int HT = 9; // <US-ASCII HT, horizontal-tab (9)>
/** HTTP header definitions */
public static final String TRANSFER_ENCODING = "Transfer-Encoding";
public static final String CONTENT_LEN = "Content-Length";
public static final String CONTENT_TYPE = "Content-Type";
public static final String CONTENT_ENCODING = "Content-Encoding";
public static final String EXPECT_DIRECTIVE = "Expect";
public static final String CONN_DIRECTIVE = "Connection";
public static final String TARGET_HOST = "Host";
public static final String USER_AGENT = "User-Agent";
public static final String DATE_HEADER = "Date";
public static final String SERVER_HEADER = "Server";
/** HTTP expectations */
public static final String EXPECT_CONTINUE = "100-continue";
/** HTTP connection control */
public static final String CONN_CLOSE = "Close";
public static final String CONN_KEEP_ALIVE = "Keep-Alive";
/** Transfer encoding definitions */
public static final String CHUNK_CODING = "chunked";
public static final String IDENTITY_CODING = "identity";
/** Common charset definitions */
public static final String UTF_8 = "UTF-8";
public static final String UTF_16 = "UTF-16";
public static final String US_ASCII = "US-ASCII";
public static final String ASCII = "ASCII";
public static final String ISO_8859_1 = "ISO-8859-1";
/** Default charsets */
public static final String DEFAULT_CONTENT_CHARSET = ISO_8859_1;
public static final String DEFAULT_PROTOCOL_CHARSET = US_ASCII;
/** Content type definitions */
public final static String OCTET_STREAM_TYPE = "application/octet-stream";
public final static String PLAIN_TEXT_TYPE = "text/plain";
public final static String CHARSET_PARAM = "; charset=";
/** Default content type */
public final static String DEFAULT_CONTENT_TYPE = OCTET_STREAM_TYPE;
public static boolean isWhitespace(char ch) {
return ch == SP || ch == HT || ch == CR || ch == LF;
}
private HTTP() {
}
}
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