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java/org/apache/coyote/ajp/Constants.java
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java/org/apache/coyote/ajp/Constants.java
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.coyote.ajp;
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import java.util.Hashtable;
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/**
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* Constants.
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*
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* @author Remy Maucherat
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*/
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public final class Constants {
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public static final int DEFAULT_CONNECTION_TIMEOUT = -1;
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// Prefix codes for message types from server to container
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public static final byte JK_AJP13_FORWARD_REQUEST = 2;
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public static final byte JK_AJP13_SHUTDOWN = 7; // XXX Unused
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public static final byte JK_AJP13_PING_REQUEST = 8; // XXX Unused
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public static final byte JK_AJP13_CPING_REQUEST = 10;
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// Prefix codes for message types from container to server
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public static final byte JK_AJP13_SEND_BODY_CHUNK = 3;
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public static final byte JK_AJP13_SEND_HEADERS = 4;
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public static final byte JK_AJP13_END_RESPONSE = 5;
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public static final byte JK_AJP13_GET_BODY_CHUNK = 6;
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public static final byte JK_AJP13_CPONG_REPLY = 9;
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// Integer codes for common response header strings
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public static final int SC_RESP_CONTENT_TYPE = 0xA001;
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public static final int SC_RESP_CONTENT_LANGUAGE = 0xA002;
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public static final int SC_RESP_CONTENT_LENGTH = 0xA003;
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public static final int SC_RESP_DATE = 0xA004;
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public static final int SC_RESP_LAST_MODIFIED = 0xA005;
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public static final int SC_RESP_LOCATION = 0xA006;
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public static final int SC_RESP_SET_COOKIE = 0xA007;
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public static final int SC_RESP_SET_COOKIE2 = 0xA008;
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public static final int SC_RESP_SERVLET_ENGINE = 0xA009;
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public static final int SC_RESP_STATUS = 0xA00A;
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public static final int SC_RESP_WWW_AUTHENTICATE = 0xA00B;
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public static final int SC_RESP_AJP13_MAX = 11;
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// Integer codes for common (optional) request attribute names
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public static final byte SC_A_CONTEXT = 1; // XXX Unused
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public static final byte SC_A_SERVLET_PATH = 2; // XXX Unused
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public static final byte SC_A_REMOTE_USER = 3;
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public static final byte SC_A_AUTH_TYPE = 4;
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public static final byte SC_A_QUERY_STRING = 5;
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public static final byte SC_A_JVM_ROUTE = 6;
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public static final byte SC_A_SSL_CERT = 7;
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public static final byte SC_A_SSL_CIPHER = 8;
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public static final byte SC_A_SSL_SESSION = 9;
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public static final byte SC_A_SSL_KEY_SIZE = 11;
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public static final byte SC_A_SECRET = 12;
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public static final byte SC_A_STORED_METHOD = 13;
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// Used for attributes which are not in the list above
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public static final byte SC_A_REQ_ATTRIBUTE = 10;
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/**
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* AJP private request attributes
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*/
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public static final String SC_A_REQ_LOCAL_ADDR = "AJP_LOCAL_ADDR";
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public static final String SC_A_REQ_REMOTE_PORT = "AJP_REMOTE_PORT";
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public static final String SC_A_SSL_PROTOCOL = "AJP_SSL_PROTOCOL";
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// Terminates list of attributes
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public static final byte SC_A_ARE_DONE = (byte)0xFF;
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// Ajp13 specific - needs refactoring for the new model
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/**
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* Default maximum total byte size for an AJP packet
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*/
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public static final int MAX_PACKET_SIZE = 8192;
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/**
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* Size of basic packet header
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*/
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public static final int H_SIZE = 4;
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/**
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* Size of the header metadata
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*/
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public static final int READ_HEAD_LEN = 6;
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public static final int SEND_HEAD_LEN = 8;
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/**
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* Default maximum size of data that can be sent in one packet
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*/
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public static final int MAX_READ_SIZE = MAX_PACKET_SIZE - READ_HEAD_LEN;
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public static final int MAX_SEND_SIZE = MAX_PACKET_SIZE - SEND_HEAD_LEN;
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// Translates integer codes to names of HTTP methods
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private static final String [] methodTransArray = {
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"OPTIONS",
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"GET",
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"HEAD",
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"POST",
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"PUT",
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"DELETE",
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"TRACE",
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"PROPFIND",
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"PROPPATCH",
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"MKCOL",
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"COPY",
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"MOVE",
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"LOCK",
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"UNLOCK",
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"ACL",
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"REPORT",
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"VERSION-CONTROL",
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"CHECKIN",
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"CHECKOUT",
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"UNCHECKOUT",
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"SEARCH",
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"MKWORKSPACE",
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"UPDATE",
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"LABEL",
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"MERGE",
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"BASELINE-CONTROL",
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"MKACTIVITY"
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};
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/**
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* Converts an AJP coded HTTP method to the method name.
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* @param code the coded value
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* @return the string value of the method
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*/
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public static final String getMethodForCode(final int code) {
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return methodTransArray[code];
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}
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public static final int SC_M_JK_STORED = (byte) 0xFF;
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// id's for common request headers
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public static final int SC_REQ_ACCEPT = 1;
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public static final int SC_REQ_ACCEPT_CHARSET = 2;
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public static final int SC_REQ_ACCEPT_ENCODING = 3;
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public static final int SC_REQ_ACCEPT_LANGUAGE = 4;
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public static final int SC_REQ_AUTHORIZATION = 5;
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public static final int SC_REQ_CONNECTION = 6;
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public static final int SC_REQ_CONTENT_TYPE = 7;
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public static final int SC_REQ_CONTENT_LENGTH = 8;
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public static final int SC_REQ_COOKIE = 9;
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public static final int SC_REQ_COOKIE2 = 10;
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public static final int SC_REQ_HOST = 11;
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public static final int SC_REQ_PRAGMA = 12;
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public static final int SC_REQ_REFERER = 13;
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public static final int SC_REQ_USER_AGENT = 14;
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// Translates integer codes to request header names
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private static final String [] headerTransArray = {
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"accept",
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"accept-charset",
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"accept-encoding",
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"accept-language",
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"authorization",
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"connection",
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"content-type",
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"content-length",
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"cookie",
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"cookie2",
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"host",
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"pragma",
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"referer",
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"user-agent"
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};
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/**
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* Converts an AJP coded HTTP request header to the header name.
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* @param code the coded value
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* @return the string value of the header name
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*/
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public static final String getHeaderForCode(final int code) {
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return headerTransArray[code];
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}
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// Translates integer codes to response header names
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private static final String [] responseTransArray = {
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"Content-Type",
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"Content-Language",
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"Content-Length",
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"Date",
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"Last-Modified",
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"Location",
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"Set-Cookie",
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"Set-Cookie2",
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"Servlet-Engine",
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"Status",
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"WWW-Authenticate"
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};
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/**
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* Converts an AJP coded response header name to the HTTP response header name.
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* @param code the coded value
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* @return the string value of the header
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*/
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public static final String getResponseHeaderForCode(final int code) {
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return responseTransArray[code];
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}
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private static final Hashtable<String,Integer> responseTransHash =
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new Hashtable<>(20);
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static {
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try {
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int i;
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for (i = 0; i < SC_RESP_AJP13_MAX; i++) {
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responseTransHash.put(getResponseHeaderForCode(i),
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Integer.valueOf(0xA001 + i));
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}
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}
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catch (Exception e) {
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// Do nothing
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}
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}
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public static final int getResponseAjpIndex(String header)
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{
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Integer i = responseTransHash.get(header);
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if (i == null)
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return 0;
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else
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return i.intValue();
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}
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}
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