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Tomcat example source code file (Constants.java)

This example Tomcat source code file (Constants.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 - Tomcat tags/keywords

a, a, connection, crlf, crlf, default_connection_upload_timeout, get, head, post, post, sp, string, string, z

The Tomcat Constants.java 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 "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.
 */

package org.apache.coyote.http11;

import org.apache.tomcat.util.buf.ByteChunk;


/**
 * Constants.
 *
 * @author Remy Maucherat
 */
public final class Constants {


    // -------------------------------------------------------------- Constants


    /**
     * Package name.
     */
    public static final String Package = "org.apache.coyote.http11";

    public static final int DEFAULT_CONNECTION_LINGER = -1;
    public static final int DEFAULT_CONNECTION_TIMEOUT = 60000;
    public static final int DEFAULT_CONNECTION_UPLOAD_TIMEOUT = 300000;
    public static final int DEFAULT_SERVER_SOCKET_TIMEOUT = 0;
    public static final boolean DEFAULT_TCP_NO_DELAY = true;
    
    
    /**
     * CRLF.
     */
    public static final String CRLF = "\r\n";

    
    /**
     * Server string.
     */
    public static final byte[] SERVER_BYTES = 
        ByteChunk.convertToBytes("Server: Apache-Coyote/1.1" + CRLF);

    
    /**
     * CR.
     */
    public static final byte CR = (byte) '\r';


    /**
     * LF.
     */
    public static final byte LF = (byte) '\n';


    /**
     * SP.
     */
    public static final byte SP = (byte) ' ';


    /**
     * HT.
     */
    public static final byte HT = (byte) '\t';


    /**
     * COLON.
     */
    public static final byte COLON = (byte) ':';
    
    /**
     * SEMI_COLON.
     */
    public static final byte SEMI_COLON = (byte) ';';



    /**
     * 'A'.
     */
    public static final byte A = (byte) 'A';


    /**
     * 'a'.
     */
    public static final byte a = (byte) 'a';


    /**
     * 'Z'.
     */
    public static final byte Z = (byte) 'Z';


    /**
     * '?'.
     */
    public static final byte QUESTION = (byte) '?';


    /**
     * Lower case offset.
     */
    public static final byte LC_OFFSET = A - a;


    /**
     * Default HTTP header buffer size.
     */
    public static final int DEFAULT_HTTP_HEADER_BUFFER_SIZE = 48 * 1024;


    /* Various constant "strings" */
    public static final byte[] CRLF_BYTES = ByteChunk.convertToBytes(CRLF);
    public static final byte[] COLON_BYTES = ByteChunk.convertToBytes(": ");
    public static final String CONNECTION = "Connection";
    public static final String CLOSE = "close";
    public static final byte[] CLOSE_BYTES = 
        ByteChunk.convertToBytes(CLOSE);
    public static final String KEEPALIVE = "keep-alive";
    public static final byte[] KEEPALIVE_BYTES = 
        ByteChunk.convertToBytes(KEEPALIVE);
    public static final String CHUNKED = "chunked";
    public static final byte[] ACK_BYTES = 
        ByteChunk.convertToBytes("HTTP/1.1 100 Continue" + CRLF + CRLF);
    public static final String TRANSFERENCODING = "Transfer-Encoding";
    public static final byte[] _200_BYTES = 
        ByteChunk.convertToBytes("200");
    public static final byte[] _400_BYTES = 
        ByteChunk.convertToBytes("400");
    public static final byte[] _404_BYTES = 
        ByteChunk.convertToBytes("404");
    

    /**
     * Identity filters (input and output).
     */
    public static final int IDENTITY_FILTER = 0;


    /**
     * Chunked filters (input and output).
     */
    public static final int CHUNKED_FILTER = 1;


    /**
     * Void filters (input and output).
     */
    public static final int VOID_FILTER = 2;


    /**
     * GZIP filter (output).
     */
    public static final int GZIP_FILTER = 3;


    /**
     * Buffered filter (input)
     */
    public static final int BUFFERED_FILTER = 3;


    /**
     * HTTP/1.0.
     */
    public static final String HTTP_10 = "HTTP/1.0";


    /**
     * HTTP/1.1.
     */
    public static final String HTTP_11 = "HTTP/1.1";
    public static final byte[] HTTP_11_BYTES = 
        ByteChunk.convertToBytes(HTTP_11);


    /**
     * GET.
     */
    public static final String GET = "GET";


    /**
     * HEAD.
     */
    public static final String HEAD = "HEAD";


    /**
     * POST.
     */
    public static final String POST = "POST";


}

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