android: AndrOBD library vendored (no submodule, no git link)
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“Naeel”
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/*
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* (C) Copyright 2015 by fr3ts0n <erwin.scheuch-heilig@gmx.at>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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package com.fr3ts0n.ecu;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.HashMap;
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import java.util.logging.Logger;
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/**
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* Diagnostic data conversions
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*
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* @author erwin
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*/
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public class EcuConversions extends HashMap<String, Conversion[]>
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{
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/** SerialVersion UID */
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private static final long serialVersionUID = 273813879102783740L;
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/** conversion type IDs from CSV file */
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private static final String CNV_TYPE_LINEAR = "LINEAR";
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private static final String CNV_TYPE_HASH = "HASH";
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private static final String CNV_TYPE_BITMAP = "BITMAP";
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private static final String CNV_TYPE_CODELIST = "CODELIST";
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private static final String CNV_TYPE_PCODELIST = "PCODELIST";
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private static final String CNV_TYPE_VAG = "VAG";
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private static final String CNV_TYPE_INT = "INTEGER";
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private static final String CNV_TYPE_ASCII = "ASCII";
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/** CSV field positions */
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private static final int FLD_NAME = 0;
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private static final int FLD_TYPE = 1;
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private static final int FLD_VARIANT = 2;
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private static final int FLD_SYSTEM = 3;
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private static final int FLD_FACTOR = 4;
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private static final int FLD_DIVIDER = 5;
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private static final int FLD_OFFSET = 6;
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private static final int FLD_PHOFFSET = 7;
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private static final int FLD_UNITS = 8;
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static final int FLD_DESCRIPTION = 9;
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private static final int FLD_PARAMETERS = 10;
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// the data logger
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private static final Logger log = Logger.getLogger("data.cnv");
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/** DEFAULT type conversion */
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public static final NumericConversion dfltCnv = new IntConversion();
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/** code list conversion */
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public static EcuCodeList codeList = null;
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/**
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* Create conversion list from default resource file (tab delimited csv)
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* (prot/res/conversion.csv)
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*/
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public EcuConversions()
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{
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// add dynamic entris from csv file(s)
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this("prot/res/obd/conversions.csv");
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}
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/**
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* Create conversion list from resource file (tab delimited csv)
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*
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* @param resource name of resource to be loaded
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*/
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public EcuConversions(String resource)
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{
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// add static conversions
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put("DEFAULT", new Conversion[]{dfltCnv, dfltCnv});
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// add dynamic entris from csv file(s)
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loadFromResource(resource);
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}
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public void loadFromStream(InputStream inStr)
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{
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BufferedReader rdr;
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String currLine;
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String[] params;
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Conversion[] currCnvSet;
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Conversion newCnv;
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int line = 0;
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try
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{
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rdr = new BufferedReader(new InputStreamReader(inStr));
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// loop through all lines of the file ...
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while ((currLine = rdr.readLine()) != null)
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{
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// ignore line 1
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if (++line == 1)
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{
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continue;
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}
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// replace all optional quotes from CSV code list
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currLine = currLine.replaceAll("\"", "");
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// split CSV line into parameters
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params = currLine.split("\t");
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if (params[FLD_TYPE].equals(CNV_TYPE_LINEAR))
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{
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if(params.length > FLD_PARAMETERS)
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{
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// create linear conversion (w/ dynamic parameters)
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newCnv = new LinearConversion(Integer.parseInt(params[FLD_FACTOR]),
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Integer.parseInt(params[FLD_DIVIDER]),
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Integer.parseInt(params[FLD_OFFSET]),
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Integer.parseInt(params[FLD_PHOFFSET]),
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params[FLD_UNITS],
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params[FLD_PARAMETERS]);
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}
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else
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{
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// create linear conversion (w/o dynamic parameter)
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newCnv = new LinearConversion(Integer.parseInt(params[FLD_FACTOR]),
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Integer.parseInt(params[FLD_DIVIDER]),
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Integer.parseInt(params[FLD_OFFSET]),
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Integer.parseInt(params[FLD_PHOFFSET]),
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params[FLD_UNITS]);
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}
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}
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else if (params[FLD_TYPE].equals(CNV_TYPE_HASH))
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{
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// create HashConversion based on CSV data
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newCnv = new HashConversion( String.valueOf(params[FLD_PARAMETERS]).split(";") );
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}
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else if (params[FLD_TYPE].equals(CNV_TYPE_BITMAP))
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{
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// create BitmapConversion based on CSV parameters
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newCnv = new BitmapConversion( String.valueOf(params[FLD_PARAMETERS]).split(";") );
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}
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else if (params[FLD_TYPE].equals(CNV_TYPE_CODELIST))
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{
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// create ECU code list based on ResourceBundle
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codeList = new EcuCodeList( String.valueOf(params[FLD_PARAMETERS]));
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newCnv = codeList;
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}
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else if (params[FLD_TYPE].equals(CNV_TYPE_PCODELIST))
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{
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// create OBD code list based on ResourceBundle
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codeList = new ObdCodeList( String.valueOf(params[FLD_PARAMETERS]));
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newCnv = codeList;
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}
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else if (params[FLD_TYPE].equals(CNV_TYPE_VAG))
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{
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// create VAG conversion
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newCnv = new VagConversion(Integer.parseInt(params[FLD_VARIANT]),
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Double.parseDouble(params[FLD_FACTOR]) / Integer.parseInt(params[FLD_DIVIDER]),
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Double.parseDouble(params[FLD_OFFSET]),
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params[FLD_UNITS]);
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}
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else if (params[FLD_TYPE].equals(CNV_TYPE_ASCII))
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{
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newCnv = null;
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}
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else if (params[FLD_TYPE].equals(CNV_TYPE_INT))
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{
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newCnv = dfltCnv;
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}
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else
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{
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newCnv = dfltCnv;
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}
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// insert fault code element
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currCnvSet = get(params[FLD_NAME]);
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// if this conversion does not exist yet ...
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if (currCnvSet == null)
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{
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// create new set for metric and imperial
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currCnvSet = new Conversion[EcuDataItem.SYSTEM_TYPES];
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// and initialize both systems with this data
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for (int i = 0; i < EcuDataItem.SYSTEM_TYPES; i++)
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{
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currCnvSet[i] = newCnv;
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log.finer("+" + params[FLD_NAME] + "/" + params[FLD_SYSTEM] + " - " + String.valueOf(newCnv));
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}
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} else
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{
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// if it is known already, then only update the matching system
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for (int i = 0; i < EcuDataItem.SYSTEM_TYPES; i++)
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{
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if (EcuDataItem.cnvSystems[i].equals(params[FLD_SYSTEM]))
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{
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currCnvSet[i] = newCnv;
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log.finer("+" + params[FLD_NAME] + "/" + params[FLD_SYSTEM] + " - " + newCnv.toString());
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}
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}
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}
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// (re-)enter the updated conversion set into map
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put(params[FLD_NAME], currCnvSet);
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}
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rdr.close();
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} catch (IOException e)
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{
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e.printStackTrace();
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}
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}
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/**
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* load conversion list from resource file (tab delimited)
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*
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* @param resource name of resource to be loaded
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*/
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private void loadFromResource(String resource)
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{
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try
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{
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loadFromStream(getClass().getResource(resource).openStream());
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}
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catch(IOException ex)
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{
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ex.printStackTrace();
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}
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}
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}
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