package market.market_util;
import java.io.*;
import java.net.*;
/**
* This class contains all constants needed by market_wrServer and market_rwServer servlets
* @author: Nikolai Rangelov
*/
public class Constants
{
/** All ReqType string that are shared throuh HTTP */
public final static String cs_ReqType = "ReqType";
public final static String cs_REGISTRATION = "1";
public final static String cs_COUNTING = "2";
public final static String cs_GET_SYSTEM_SERVLET_STATE = "8"; // equals to util.Constants.cs_GET_SERVLET_STATE;
public final static String cs_INIT = "init";
// public final static String cs_GET_CONF = "get";
public final static String cs_ConfSaveValue = "value";
public final static String cs_GET_MARKET_KEY = "GetMarketKey";
public final static String cs_GET_ALL_MARKET_KEYS = "10";
public final static String cs_PACKET_REGISTRATION = "18";
public final static String cs_PACKET_COUNTING = "19";
public final static String cs_SPEED_COUNTING = "20";
/** Servlet Tasks which the servlet does*/
public final static byte TASK_ERROR = 0;
public final static byte TASK_REGISTRATION = 1;
public final static byte TASK_COUNTING = 2;
public final static byte TASK_GET_CONFIG = 3;
public final static byte TASK_SAVE_CONFIG = 4;
public final static byte TASK_RELOAD = 5;
// public final static byte TASK_INIT = 6;
// public final static byte TASK_SECONDARY_INIT = 7;
public final static byte TASK_GET_SERVLET_STATE = 8;
public final static byte TASK_GET_SERVLET_ERROR_STATE = 9;
// public final static byte TASK_GET_ALL_MARKET_KEYS = 10;
public final static byte TASK_CHANGE_LOG_LEVELS = 11;
public final static byte TASK_GET_SERVLET_COUNTER = 12;
// public final static byte TASK_CONTROL_OTHER = 13;
// public final static byte TASK_CLOSE_DIRECT = 14;
// public final static byte TASK_STOP = 15;
// public final static byte TASK_START = 16;
// public final static byte TASK_KILL = 17;
// public final static byte TASK_PACKET_REGISTRATION = 18;
// public final static byte TASK_PACKET_COUNTING = 19;
// public final static byte TASK_SPEED_COUNTING = 20;
// public final static byte TASK_LOCK = 21;
// public final static byte TASK_UNLOCK = 22;
/** SetvletStates in which the servlet can fall */
public final static byte NOT_INITED = 0;
public final static byte STOPED = 1;
public final static byte INITING = 2;
public final static byte READY = 3;
public final static byte INIT_ERROR = 4;
public final static byte CONN_ERROR = 5;
public final static byte PROCESS_ERROR = 6;
public final static byte LOCKED = 7;
// public final static byte SECOND_INIT_ERROR = 8 ; // remove it when both init are done
/** ServletErrorState in which the servlet can fall */
public final static byte NO_ERROR = 20;
public final static byte OBJECT_ERROR = 21;
public final static byte PROPERTIES_FILE_ERROR = 22;
public final static byte CONF_FILE_ERROR = 23;
public final static byte LOG_ERROR = 24;
public final static byte DB_CONN_ERROR = 25;
public final static byte TABLES_ERROR = 26;
// public final static byte RATE_METER_ERROR = 27;
public final static byte CACHE_ERROR = 28;
public final static byte SAVE_THREAD_ERROR = 29;
// public final static byte QUEUE_ERROR = 30;
// public final static byte SUM_THREAD_ERROR = 31;
public final static byte SYSTEM_CONN_ERROR = 32;
public final static byte GET_MARKET_KEY_ERROR = 33;
public final static byte INTERCONN_ERROR = 34;
public final static byte ERROR = 35;
/** Some error codes that the servlet or some of its methods returns*/
public final static byte RETRY = 0; // Shoul always be 0
public final static byte No_Key = -1; // Shoul always be -1
public final static byte Zero_Key = 0;
public final static byte No_MarketKey = -1; // Shoul always be -1
/** Waiting Times */
public final static int Req_Life_Millis = 200; //millis
public final static long Max_Wait_Before_Reload = 20000; // millis
/** The names of all properties that are used for wr or rw */
public final static String cs_LANG_KEY = "langKey";
public final static String cs_SRC_KEY = "srcKey";
public final static String cs_MARKET_KEY = "marketKey";
public final static String cs_WR_KEY = "wrKey";
public final static String cs_WR_COUNTS = "wrCounts";
public final static String cs_WR_STRING = "wrString";
public final static String cs_RW_KEY = "rwKey";
public final static String cs_RW_COUNTS = "rwCounts";
public final static String cs_RW_STRING = "rwString";
/** Other constants */
public final static char ca_SQL_Escape_Chars[] = {'\0','\n','\t','\r','\b','\'','\"','\\','%','_'};
public final static char Separator = '|';
public final static char Quote = '\"';
public final static char cc_NumberTableBaseKey = '0'; // This must be always number
public final static char cc_OtherTableBaseKey = '#'; // This must be always sign diferent from number or letter
public final static String cs_wrBeginTable = "wr_";
public final static String cs_rwBeginTable = "rw_";
public final static String cs_EndNumberTable = "numbers";
public final static String cs_EndSpecialTable = "special";
public final static String rwServerName = "rwServer";
public final static String wrServerName = "wrServer";
public final static String cfg_String_for_jserv_conf = "cfgPath";
public final static String ScreenLogLevel = "SLL";
public final static String FileLogLevel = "FLL";
/** A constant used in this class methods */
public final static byte cb_wrCheck_Count = 10;
/** A Packet comunication parameters */
public final static char Packet_Delimiter = ',';
public final static String cs_Packet_Number = "Num";
/**
* Escapes the qoutes and the escaper character('\').
* @return String - the escaped string
*
null - if the input string is null or empty
* @param Str java.lang.String - the input string
*/
public final static String DBString(String Str) {
char escape1 = Constants.Quote;
char escape2 = '\\';
if (Str.equals(null) || Str.equals(""))
return null;
else {
StringBuffer Result_string = new StringBuffer();
Result_string.append(escape1);
for (int i = 0; i < Str.length(); i++) {
if (Str.toLowerCase().charAt(i) == escape1 || Str.toLowerCase().charAt(i) == escape2) {
Result_string.append(escape2);
}
Result_string.append(Str.charAt(i));
}
Result_string.append(escape1);
return Result_string.toString();
}
}
/**
* The method gets the marketKey from S_wrProcessorHostName place.
* @return MarketKey int - the returned market key.
0 - if error occures.
Constants.No_MarketKey - no market key set
*/
public static int getMarketKey(String S_wrProcessorHostName) {
int mKey = No_MarketKey;
StringBuffer ret_marketKey = new StringBuffer(8);
try {
URL ServletURL = new URL(S_wrProcessorHostName + Constants.cs_ReqType + "=" + Constants.cs_GET_MARKET_KEY);
InputStream in = ServletURL.openStream();
int b;
while ((b = in.read()) != -1)
ret_marketKey.append((char) b);
mKey = Integer.valueOf(ret_marketKey.toString()).intValue();
} catch (IOException e) {
return 0;
}
return mKey;
}
/**
* This file translate the number of the error to string definition.
* @return java.lang.String
* @param ServletErrorState byte
*/
public static String getServletErrorStateDescription(byte ServletErrorState) {
switch (ServletErrorState) {
case (NO_ERROR) :
return "No Error";
case (OBJECT_ERROR) :
return "Synchronization Objects Error";
case (PROPERTIES_FILE_ERROR) :
return "Jserv Properties File Error";
case (CONF_FILE_ERROR) :
return "Configuration File Error";
case (LOG_ERROR) :
return "Log File Error";
case (DB_CONN_ERROR) :
return "DB Connection Error";
case (TABLES_ERROR) :
return "Error During Creating/Checking Tables";
case (CACHE_ERROR) :
return "Cache Error";
case (SAVE_THREAD_ERROR) :
return "Save Thread Error";
case (GET_MARKET_KEY_ERROR) :
return "Get Valid Market Key Error";
case (SYSTEM_CONN_ERROR) :
return "Error with connection to the system or the system is not in READY state.";
case (INTERCONN_ERROR) :
return "Inter Serlet Connection Error";
case (ERROR) :
return "Error";
default :
return "Not a valid ServletState";
}
}
/**
* This file translate the number of the Servlet State to string definition.
* @return java.lang.String
* @param ServletState byte
*/
public static String getServletStateDescription(byte ServletState) {
switch (ServletState) {
case (NOT_INITED) :
return "Not Inited";
case (STOPED) :
return "Stoped";
case (INITING) :
return "Initing";
case (READY) :
return "Ready";
case (INIT_ERROR) :
return "Init error";
case (CONN_ERROR) :
return "DB connection error";
case (PROCESS_ERROR) :
return "Error during working";
case (LOCKED) :
return "Locked";
default :
return "Not a valid ServletState";
}
}
/**
* Finds in which table is/to be/ strored the info for specific rw.
* @return TableName String - always returnes table name
*/
public static String market_rwWhichTable(char p, int MK) {
StringBuffer result_rwTable = new StringBuffer("rw_");
result_rwTable.append(String.valueOf(MK));
result_rwTable.append('_');
if ((p >= 'a') && (p <= 'z'))
result_rwTable.append(p);
else
if (p >= '0' && p <= '9')
result_rwTable.append(cs_EndNumberTable);
else
result_rwTable.append(cs_EndSpecialTable);
return result_rwTable.toString();
}
/**
* Finds in which table is/to be/ strored the info for specific wr.
* @return TableName String - always returnes table name
*/
public static String market_wrWhichTable(char p, int MK) {
StringBuffer result_wrTable = new StringBuffer("wr_");
result_wrTable.append(String.valueOf(MK));
result_wrTable.append('_');
if ((p >= 'a') && (p <= 'z'))
result_wrTable.append(p);
else
if (p >= '0' && p <= '9')
result_wrTable.append(cs_EndNumberTable);
else
result_wrTable.append(cs_EndSpecialTable);
return result_wrTable.toString();
}
/**
* Function that check a string whether it is between 32 and 254 ASCII. It checks in the
*
first Constants.cb_wrCheck_Count signs of the string.
* @return boolean
*
true - the string is ok
*
false - the string is not ok
* @param CheckString java.lang.String
* @exception java.lang.NullPointerException
*/
public static boolean ValidateString(String CheckString) throws NullPointerException {
if ((CheckString == null) || CheckString.equals(""))
return false;
else {
String st = CheckString;
st = st.toLowerCase().trim();
if (st.length() < Constants.cb_wrCheck_Count)
for (int i = 0; i < st.length(); i++) {
if (st.charAt(i) < 32 && st.charAt(i) > 254)
return false;
} else
for (int i = 0; i < Constants.cb_wrCheck_Count; i++) {
if (st.charAt(i) < 32 && st.charAt(i) > 254)
return false;
}
return true;
}
}
}