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package org.hl7.fhir.utilities;
/*
Copyright (c) 2011+, HL7, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of HL7 nor the names of its contributors may be used to
endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.ZonedDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.*;
import org.hl7.fhir.utilities.filesystem.CSFile;
import org.hl7.fhir.utilities.filesystem.ManagedFileAccess;
/**
* IniFile class provides methods for manipulating (Read/Write) windows ini files.
*
* @author Prasad P. Khandekar
* @version 1.0
* @since 1.0
*/
public final class IniFile
{
/** Variable to represent the date format */
private String mstrDateFmt = "yyyy-MM-dd";
/** Variable to represent the timestamp format */
private String mstrTimeStampFmt = "yyyy-MM-dd HH:mm:ss";
/** Variable to denote the successful load operation. */
@SuppressWarnings("unused")
private boolean fileSuccessfullyLoaded = false;
/** Variable to hold the ini file name and full path */
private String filepath;
/** Variable to hold the sections in an ini file. */
private LinkedHashMap iniSections;
/** Variable to hold environment variables **/
private Properties mpropEnv;
/**
* Create a IniFile object from the file named in the parameter.
* @param pathname The full path and name of the ini file to be used.
*/
public IniFile(String pathname)
{
this.mpropEnv = getEnvVars();
this.iniSections = new LinkedHashMap();
this.filepath = pathname;
// Load the specified INI file.
if (checkFile(pathname)) loadFile();
}
public IniFile(InputStream stream) {
this.mpropEnv = getEnvVars();
this.iniSections = new LinkedHashMap();
this.filepath = null;
// Load the specified INI file.
loadStream(stream);
}
/*------------------------------------------------------------------------------
* Getters
------------------------------------------------------------------------------*/
/**
* Returns the ini file name being used.
* @return the INI file name.
*/
public String getFileName()
{
return this.filepath;
}
/**
* Returns the specified string property from the specified section.
* @param pstrSection the INI section name.
* @param pstrProp the property to be retrieved.
* @return the string property value.
*/
public String getStringProperty(String pstrSection, String pstrProp)
{
String strRet = null;
INIProperty objProp = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
objProp = objSec.getProperty(pstrProp);
if (objProp != null)
{
strRet = objProp.getPropValue();
objProp = null;
}
objSec = null;
}
return strRet;
}
/**
* Returns the specified boolean property from the specified section.
* This method considers the following values as boolean values.
*
*
YES/yes/Yes - boolean true
*
NO/no/No - boolean false
*
1 - boolean true
*
0 - boolean false
*
TRUE/True/true - boolean true
*
FALSE/False/false - boolean false
*
* @param pstrSection the INI section name.
* @param pstrProp the property to be retrieved.
* @return the boolean value
*/
public Boolean getBooleanProperty(String pstrSection, String pstrProp)
{
boolean blnRet = false;
String strVal = null;
INIProperty objProp = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
objProp = objSec.getProperty(pstrProp);
if (objProp != null)
{
strVal = objProp.getPropValue().toUpperCase();
if (strVal.equals("YES") || strVal.equals("TRUE") ||
strVal.equals("1"))
{
blnRet = true;
}
objProp = null;
}
objSec = null;
}
return new Boolean(blnRet);
}
/**
* Returns the specified integer property from the specified section.
* @param pstrSection the INI section name.
* @param pstrProp the property to be retrieved.
* @return the integer property value.
*/
public Integer getIntegerProperty(String pstrSection, String pstrProp)
{
Integer intRet = null;
String strVal = null;
INIProperty objProp = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
objProp = objSec.getProperty(pstrProp);
try
{
if (objProp != null)
{
strVal = objProp.getPropValue();
if (strVal != null) intRet = new Integer(strVal);
}
}
catch (NumberFormatException NFExIgnore)
{
}
finally
{
if (objProp != null) objProp = null;
}
objSec = null;
}
return intRet;
}
/**
* Returns the specified long property from the specified section.
* @param pstrSection the INI section name.
* @param pstrProp the property to be retrieved.
* @return the long property value.
*/
public Long getLongProperty(String pstrSection, String pstrProp)
{
Long lngRet = null;
String strVal = null;
INIProperty objProp = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
objProp = objSec.getProperty(pstrProp);
try
{
if (objProp != null)
{
strVal = objProp.getPropValue();
if (strVal != null) lngRet = new Long(strVal);
}
}
catch (NumberFormatException NFExIgnore)
{
}
finally
{
if (objProp != null) objProp = null;
}
objSec = null;
}
return lngRet;
}
/**
* Returns the specified double property from the specified section.
* @param pstrSection the INI section name.
* @param pstrProp the property to be retrieved.
* @return the double property value.
*/
public Double getDoubleProperty(String pstrSection, String pstrProp)
{
Double dblRet = null;
String strVal = null;
INIProperty objProp = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
objProp = objSec.getProperty(pstrProp);
try
{
if (objProp != null)
{
strVal = objProp.getPropValue();
if (strVal != null) dblRet = new Double(strVal);
}
}
catch (NumberFormatException NFExIgnore)
{
}
finally
{
if (objProp != null) objProp = null;
}
objSec = null;
}
return dblRet;
}
/**
* Returns the specified date property from the specified section.
* @param pstrSection the INI section name.
* @param pstrProp the property to be retrieved.
* @return the date property value.
*/
public Date getDateProperty(String pstrSection, String pstrProp)
{
Date dtRet = null;
String strVal = null;
DateFormat dtFmt = null;
INIProperty objProp = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
objProp = objSec.getProperty(pstrProp);
try
{
if (objProp != null) strVal = objProp.getPropValue();
if (strVal != null)
{
dtFmt = new SimpleDateFormat(this.mstrDateFmt);
dtRet = dtFmt.parse(strVal);
}
}
catch (ParseException PExIgnore)
{
}
catch (IllegalArgumentException IAEx)
{
}
finally
{
if (objProp != null) objProp = null;
}
objSec = null;
}
return dtRet;
}
/**
* Returns the specified date property from the specified section.
* @param iniSectionName the INI section name.
* @param propertyKey the property to be retrieved.
* @return the date property value.
*/
public Date getTimestampProperty(String iniSectionName, String propertyKey) {
Date dateToReturn = null;
INISection iniSection = this.iniSections.get(iniSectionName);
if (iniSection != null) {
INIProperty objProp = iniSection.getProperty(propertyKey);
try {
String propertyStringValue = null;
if (objProp != null) propertyStringValue = objProp.getPropValue();
if (propertyStringValue != null) {
DateTimeFormatter dtFmt = DateTimeFormatter.ofPattern(this.mstrTimeStampFmt).withZone(ZoneId.systemDefault());
ZonedDateTime zonedDateTime = ZonedDateTime.parse(propertyStringValue, dtFmt);
dateToReturn = Date.from(zonedDateTime.toInstant());
}
} catch (IllegalArgumentException IAEx) {
}
}
return dateToReturn;
}
/*------------------------------------------------------------------------------
* Setters
------------------------------------------------------------------------------*/
/**
* Sets the comments associated with a section.
* @param pstrSection the section name
* @param pstrComments the comments.
*/
public void addSection(String pstrSection, String pstrComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec == null)
{
objSec = new INISection(pstrSection);
this.iniSections.put(pstrSection, objSec);
}
objSec.setSecComments(delRemChars(pstrComments));
objSec = null;
}
/**
* Sets the specified string property.
* @param pstrSection the INI section name.
* @param pstrProp the property to be set.
* @pstrVal the string value to be persisted
*/
public void setStringProperty(String pstrSection, String pstrProp,
String pstrVal, String pstrComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec == null)
{
objSec = new INISection(pstrSection);
this.iniSections.put(pstrSection, objSec);
}
objSec.setProperty(pstrProp, pstrVal, pstrComments);
}
/**
* Sets the specified boolean property.
* @param pstrSection the INI section name.
* @param pstrProp the property to be set.
* @param pblnVal the boolean value to be persisted
*/
public void setBooleanProperty(String pstrSection, String pstrProp,
boolean pblnVal, String pstrComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec == null)
{
objSec = new INISection(pstrSection);
this.iniSections.put(pstrSection, objSec);
}
if (pblnVal)
objSec.setProperty(pstrProp, "TRUE", pstrComments);
else
objSec.setProperty(pstrProp, "FALSE", pstrComments);
}
/**
* Sets the specified integer property.
* @param pstrSection the INI section name.
* @param pstrProp the property to be set.
* @param pintVal the int property to be persisted.
*/
public void setIntegerProperty(String pstrSection, String pstrProp,
int pintVal, String pstrComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec == null)
{
objSec = new INISection(pstrSection);
this.iniSections.put(pstrSection, objSec);
}
objSec.setProperty(pstrProp, Integer.toString(pintVal), pstrComments);
}
/**
* Sets the specified long property.
* @param pstrSection the INI section name.
* @param pstrProp the property to be set.
* @param plngVal the long value to be persisted.
*/
public void setLongProperty(String pstrSection, String pstrProp,
long plngVal, String pstrComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec == null)
{
objSec = new INISection(pstrSection);
this.iniSections.put(pstrSection, objSec);
}
objSec.setProperty(pstrProp, Long.toString(plngVal), pstrComments);
}
/**
* Sets the specified double property.
* @param pstrSection the INI section name.
* @param pstrProp the property to be set.
* @param pdblVal the double value to be persisted.
*/
public void setDoubleProperty(String pstrSection, String pstrProp,
double pdblVal, String pstrComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec == null)
{
objSec = new INISection(pstrSection);
this.iniSections.put(pstrSection, objSec);
}
objSec.setProperty(pstrProp, Double.toString(pdblVal), pstrComments);
}
/**
* Sets the specified java.util.Date property.
* @param pstrSection the INI section name.
* @param pstrProp the property to be set.
* @param pdtVal the date value to be persisted.
*/
public void setDateProperty(String pstrSection, String pstrProp,
Date pdtVal, String pstrComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec == null)
{
objSec = new INISection(pstrSection);
this.iniSections.put(pstrSection, objSec);
}
objSec.setProperty(pstrProp, utilDateToStr(pdtVal, this.mstrDateFmt),
pstrComments);
}
/**
* Sets the specified java.sql.Timestamp property.
* @param iniSection the INI section name.
* @param propertyKey the property to be set.
* @param propertyValue the timestamp value to be persisted.
*/
public void setTimestampProperty(String iniSection, String propertyKey,
ZonedDateTime propertyValue, String propertyComments)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(iniSection);
if (objSec == null)
{
objSec = new INISection(iniSection);
this.iniSections.put(iniSection, objSec);
}
objSec.setProperty(propertyKey, timeToString(propertyValue, this.mstrTimeStampFmt),
propertyComments);
}
/**
* Sets the format to be used to interpret date values.
* @param pstrDtFmt the format string
* @throws IllegalArgumentException if the if the given pattern is invalid
*/
public void setDateFormat(String pstrDtFmt) throws IllegalArgumentException
{
if (!checkDateTimeFormat(pstrDtFmt))
throw new IllegalArgumentException("The specified date pattern is invalid!");
this.mstrDateFmt = pstrDtFmt;
}
/**
* Sets the format to be used to interpreat timestamp values.
* @param pstrTSFmt the format string
* @throws IllegalArgumentException if the if the given pattern is invalid
*/
public void setTimeStampFormat(String pstrTSFmt)
{
if (!checkDateTimeFormat(pstrTSFmt))
throw new IllegalArgumentException("The specified timestamp pattern is invalid!");
this.mstrTimeStampFmt = pstrTSFmt;
}
/*------------------------------------------------------------------------------
* Public methods
------------------------------------------------------------------------------*/
public int getTotalSections()
{
return this.iniSections.size();
}
/**
* Returns a string array containing names of all sections in INI file.
* @return the string array of section names
*/
public String[] getAllSectionNames()
{
int iCntr = 0;
Iterator iter = null;
String[] arrRet = null;
try
{
if (this.iniSections.size() > 0)
{
arrRet = new String[this.iniSections.size()];
for (iter = this.iniSections.keySet().iterator();; iter.hasNext())
{
arrRet[iCntr] = (String) iter.next();
iCntr++;
}
}
}
catch (NoSuchElementException NSEExIgnore)
{
}
finally
{
if (iter != null) iter = null;
}
return arrRet;
}
/**
* Returns a string array containing names of all the properties under specified section.
* @param pstrSection the name of the section for which names of properties is to be retrieved.
* @return the string array of property names.
*/
public String[] getPropertyNames(String pstrSection)
{
String[] arrRet = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
arrRet = objSec.getPropNames();
objSec = null;
}
return arrRet;
}
/**
* Returns a map containing all the properties under specified section.
* @param pstrSection the name of the section for which properties are to be retrieved.
* @return the map of properties.
*/
public Map getProperties(String pstrSection)
{
Map hmRet = null;
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
hmRet = objSec.getProperties();
objSec = null;
}
return hmRet;
}
/**
* Removed specified property from the specified section. If the specified
* section or the property does not exist, does nothing.
* @param pstrSection the section name.
* @param pstrProp the name of the property to be removed.
*/
public void removeProperty(String pstrSection, String pstrProp)
{
INISection objSec = null;
objSec = (INISection) this.iniSections.get(pstrSection);
if (objSec != null)
{
objSec.removeProperty(pstrProp);
objSec = null;
}
}
/**
* Removes the specified section if one exists, otherwise does nothing.
* @param pstrSection the name of the section to be removed.
*/
public void removeSection(String pstrSection)
{
if (this.iniSections.containsKey(pstrSection))
this.iniSections.remove(pstrSection);
}
/**
* Flush changes back to the disk file. If the disk file does not exists then
* creates the new one.
* @
*/
public boolean save()
{
boolean blnRet = false;
File objFile = null;
String strName = null;
String strTemp = null;
Iterator itrSec = null;
INISection objSec = null;
FileWriter objWriter = null;
try
{
if (this.iniSections.size() == 0) return false;
objFile = ManagedFileAccess.csfile(this.filepath);
if (objFile.exists()) objFile.delete();
objWriter = new FileWriter(objFile);
itrSec = this.iniSections.keySet().iterator();
while (itrSec.hasNext())
{
strName = (String) itrSec.next();
objSec = (INISection) this.iniSections.get(strName);
strTemp = objSec.toString();
objWriter.write(strTemp);
objWriter.write("\r\n");
objSec = null;
}
blnRet = true;
}
catch (IOException IOExIgnore)
{
}
finally
{
if (objWriter != null)
{
closeWriter(objWriter);
objWriter = null;
}
if (objFile != null) objFile = null;
if (itrSec != null) itrSec = null;
}
return blnRet;
}
public boolean save(OutputStream stream)
{
boolean blnRet = false;
String strName = null;
String strTemp = null;
Iterator itrSec = null;
INISection objSec = null;
OutputStreamWriter objWriter = null;
try
{
if (this.iniSections.size() == 0) return false;
objWriter = new OutputStreamWriter(stream, "UTF-8");
itrSec = this.iniSections.keySet().iterator();
while (itrSec.hasNext())
{
strName = (String) itrSec.next();
objSec = (INISection) this.iniSections.get(strName);
strTemp = objSec.toString();
objWriter.write(strTemp);
objWriter.write("\r\n");
objSec = null;
}
blnRet = true;
}
catch (IOException IOExIgnore)
{
}
finally
{
if (objWriter != null)
{
closeWriter(objWriter);
objWriter = null;
}
if (itrSec != null) itrSec = null;
}
return blnRet;
}
/*------------------------------------------------------------------------------
* Helper functions
*----------------------------------------------------------------------------*/
/**
* Procedure to read environment variables.
* Thanx to http://www.rgagnon.com/howto.html for this implementation.
*/
private Properties getEnvVars()
{
Process p = null;
Properties envVars = new Properties();
try
{
Runtime r = Runtime.getRuntime();
String OS = System.getProperty("os.name").toLowerCase();
if (OS.indexOf("windows 9") > -1)
{
p = r.exec("command.com /c set");
}
else if ((OS.indexOf("nt") > -1) ||
(OS.indexOf("windows 2000") > -1) ||
(OS.indexOf("windows xp") > -1))
{
p = r.exec("cmd.exe /c set");
}
else
{
// our last hope, we assume Unix (thanks to H. Ware for the fix)
p = r.exec("env");
}
BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
while((line = br.readLine()) != null)
{
int idx = line.indexOf('=');
String key = line.substring(0, idx);
String value = line.substring(idx + 1);
envVars.setProperty(key, value);
}
}
catch (Exception ExIgnore)
{
}
return envVars;
}
/**
* Helper function to check the date time formats.
* @param pstrDtFmt the date time format string to be checked.
* @return true for valid date/time format, false otherwise.
*/
private boolean checkDateTimeFormat(String pstrDtFmt)
{
boolean blnRet = false;
DateFormat objFmt = null;
try
{
objFmt = new SimpleDateFormat(pstrDtFmt);
blnRet = true;
}
catch (NullPointerException NPExIgnore)
{
}
catch (IllegalArgumentException IAExIgnore)
{
}
finally
{
if (objFmt != null) objFmt = null;
}
return blnRet;
}
/**
* Reads the INI file and load its contentens into a section collection after
* parsing the file line by line.
*/
private void loadStream(InputStream stream)
{
int iPos = -1;
String strLine = null;
String strSection = null;
String strRemarks = null;
BufferedReader objBRdr = null;
InputStreamReader objFRdr = null;
INISection objSec = null;
try
{
objFRdr = new InputStreamReader(stream);
if (objFRdr != null)
{
objBRdr = new BufferedReader(objFRdr);
if (objBRdr != null)
{
while (objBRdr.ready())
{
iPos = -1;
strLine = null;
strLine = objBRdr.readLine().trim();
if (strLine == null)
{
}
else if (strLine.length() == 0)
{
}
else if (strLine.substring(0, 1).equals(";"))
{
if (strRemarks == null)
strRemarks = strLine.substring(1);
else if (strRemarks.length() == 0)
strRemarks = strLine.substring(1);
else
strRemarks = strRemarks + "\r\n" + strLine.substring(1);
}
else if (strLine.startsWith("[") && strLine.endsWith("]"))
{
// Section start reached create new section
if (objSec != null)
this.iniSections.put(strSection.trim(), objSec);
objSec = null;
strSection = strLine.substring(1, strLine.length() - 1);
objSec = new INISection(strSection.trim(), strRemarks);
strRemarks = null;
}
else if ((iPos = strLine.indexOf("=")) > 0 && objSec != null)
{
// read the key value pair 012345=789
objSec.setProperty(strLine.substring(0, iPos).trim(),
strLine.substring(iPos + 1).trim(),
strRemarks);
strRemarks = null;
}
else
{
objSec.setProperty(strLine, "", strRemarks);
}
}
if (objSec != null)
this.iniSections.put(strSection.trim(), objSec);
this.fileSuccessfullyLoaded = true;
}
}
}
catch (FileNotFoundException FNFExIgnore)
{
this.iniSections.clear();
}
catch (IOException IOExIgnore)
{
this.iniSections.clear();
}
catch (NullPointerException NPExIgnore)
{
this.iniSections.clear();
}
finally
{
if (objBRdr != null)
{
closeReader(objBRdr);
objBRdr = null;
}
if (objFRdr != null)
{
closeReader(objFRdr);
objFRdr = null;
}
if (objSec != null) objSec = null;
}
}
/**
* Reads the INI file and load its contentens into a section collection after
* parsing the file line by line.
*/
private void loadFile()
{
int iPos = -1;
String strLine = null;
String strSection = null;
String strRemarks = null;
BufferedReader objBRdr = null;
FileReader objFRdr = null;
INISection objSec = null;
try
{
objFRdr = new FileReader(this.filepath);
if (objFRdr != null)
{
objBRdr = new BufferedReader(objFRdr);
if (objBRdr != null)
{
while (objBRdr.ready())
{
iPos = -1;
strLine = null;
strLine = objBRdr.readLine().trim();
if (strLine == null)
{
}
else if (strLine.length() == 0)
{
}
else if (strLine.substring(0, 1).equals(";"))
{
if (strRemarks == null)
strRemarks = strLine.substring(1);
else if (strRemarks.length() == 0)
strRemarks = strLine.substring(1);
else
strRemarks = strRemarks + "\r\n" + strLine.substring(1);
}
else if (strLine.startsWith("[") && strLine.endsWith("]"))
{
// Section start reached create new section
if (objSec != null)
this.iniSections.put(strSection.trim(), objSec);
objSec = null;
strSection = strLine.substring(1, strLine.length() - 1);
objSec = new INISection(strSection.trim(), strRemarks);
strRemarks = null;
}
else if ((iPos = strLine.indexOf("=")) > 0 && objSec != null)
{
// read the key value pair 012345=789
objSec.setProperty(strLine.substring(0, iPos).trim(),
strLine.substring(iPos + 1).trim(),
strRemarks);
strRemarks = null;
}
else
{
objSec.setProperty(strLine, "", strRemarks);
}
}
if (objSec != null)
this.iniSections.put(strSection.trim(), objSec);
this.fileSuccessfullyLoaded = true;
}
}
}
catch (FileNotFoundException FNFExIgnore)
{
this.iniSections.clear();
}
catch (IOException IOExIgnore)
{
this.iniSections.clear();
}
catch (NullPointerException NPExIgnore)
{
this.iniSections.clear();
}
finally
{
if (objBRdr != null)
{
closeReader(objBRdr);
objBRdr = null;
}
if (objFRdr != null)
{
closeReader(objFRdr);
objFRdr = null;
}
if (objSec != null) objSec = null;
}
}
/**
* Helper function to close a reader object.
* @param pobjRdr the reader to be closed.
*/
private void closeReader(Reader pobjRdr)
{
if (pobjRdr == null) return;
try
{
pobjRdr.close();
}
catch (IOException IOExIgnore)
{
}
}
/**
* Helper function to close a writer object.
* @param pobjWriter the writer to be closed.
*/
private void closeWriter(Writer pobjWriter)
{
if (pobjWriter == null) return;
try
{
pobjWriter.close();
}
catch (IOException IOExIgnore)
{
}
}
/**
* Helper method to check the existance of a file.
* @param pathName the full path and name of the file to be checked.
* @return true if file exists, false otherwise.
*/
private boolean checkFile(String pathName)
{
boolean blnRet = false;
File objFile = null;
try
{
objFile = ManagedFileAccess.csfile(pathName);
blnRet = (objFile.exists() && objFile.isFile());
}
catch (Exception e)
{
blnRet = false;
}
finally
{
if (objFile != null) objFile = null;
}
return blnRet;
}
/**
* Converts a java.util.date into String
* @param date Date to be converted to String
* @param dateFormat The date format pattern.
* @return String
*/
private String utilDateToStr(Date date, String dateFormat)
{
String strRet = null;
SimpleDateFormat dtFmt = null;
try
{
dtFmt = new SimpleDateFormat(dateFormat);
strRet = dtFmt.format(date);
}
catch (Exception e)
{
strRet = null;
}
finally
{
if (dtFmt != null) dtFmt = null;
}
return strRet;
}
/**
* Converts the given sql timestamp object to a string representation. The format
* to be used is to be obtained from the configuration file.
*
* @param zonedDateTime the sql timestamp object to be converted.
* @param timeFormat the time format used to store the zonedDateTime value.
* @return the formatted string representation of the timestamp.
*/
private String timeToString(ZonedDateTime zonedDateTime, String timeFormat)
{
String stringValue = null;
DateTimeFormatter dateTimeFormatter = null;
try
{
dateTimeFormatter = DateTimeFormatter.ofPattern(timeFormat);
stringValue = dateTimeFormatter.format(zonedDateTime);
}
catch (IllegalArgumentException iae)
{
stringValue = "";
}
catch (NullPointerException npe)
{
stringValue = "";
}
finally
{
if (dateTimeFormatter != null) dateTimeFormatter = null;
}
return stringValue;
}
/**
* This function deletes the remark characters ';' from source string
* @param pstrSrc the source string
* @return the converted string
*/
private String delRemChars(String pstrSrc)
{
int intPos = 0;
if (pstrSrc == null) return null;
while ((intPos = pstrSrc.indexOf(";")) >= 0)
{
if (intPos == 0)
pstrSrc = pstrSrc.substring(intPos + 1);
else if (intPos > 0)
pstrSrc = pstrSrc.substring(0, intPos) + pstrSrc.substring(intPos + 1);
}
return pstrSrc;
}
/**
* This function adds a remark character ';' in source string.
* @param pstrSrc source string
* @return converted string.
*/
private String addRemChars(String pstrSrc)
{
int intLen = 2;
int intPos = 0;
int intPrev = 0;
String strLeft = null;
String strRight = null;
if (pstrSrc == null) return null;
while (intPos >= 0)
{
intLen = 2;
intPos = pstrSrc.indexOf("\r\n", intPrev);
if (intPos < 0)
{
intLen = 1;
intPos = pstrSrc.indexOf("\n", intPrev);
if (intPos < 0) intPos = pstrSrc.indexOf("\r", intPrev);
}
if (intPos == 0)
{
pstrSrc = ";\r\n" + pstrSrc.substring(intPos + intLen);
intPrev = intPos + intLen + 1;
}
else if (intPos > 0)
{
strLeft = pstrSrc.substring(0, intPos);
strRight = pstrSrc.substring(intPos + intLen);
if (strRight == null)
pstrSrc = strLeft;
else if (strRight.length() == 0)
pstrSrc = strLeft;
else
pstrSrc = strLeft + "\r\n;" + strRight;
intPrev = intPos + intLen + 1;
}
}
if (!pstrSrc.substring(0, 1).equals(";"))
pstrSrc = ";" + pstrSrc;
pstrSrc = pstrSrc + "\r\n";
return pstrSrc;
}
/*------------------------------------------------------------------------------
* Main entry point to test the functionality.
*----------------------------------------------------------------------------*/
/**
* The main entry point for testing.
* @param pstrArgs the command line arguments array if any.
* @
*/
public static void main(String[] pstrArgs)
{
IniFile objINI = null;
String strFile = null;
if (pstrArgs.length == 0) return;
strFile = pstrArgs[0];
// Following call will load the strFile if one exists.
objINI = new IniFile(strFile);
// objINI.addSection("QADatabase", "QA database connection details\nUsed for QA Testing");
// objINI.setStringProperty("QADatabase", "SID", "ORCL", null);
// objINI.setStringProperty("QADatabase", "UserId", "System", null);
// objINI.setStringProperty("QADatabase", "Password", "Manager", null);
// objINI.setStringProperty("QADatabase", "HostName", "DBServer", null);
// objINI.setIntegerProperty("QADatabase", "Port", 1521, null);
// objINI.setStringProperty("QADatabase", "OracleHome", "%ORACLE_HOME%", null);
//
// objINI.setSectionComments("Folders", "Directories where generated files are stored");
objINI.setStringProperty("Folders", "folder1", "G:\\Temp", null);
objINI.setStringProperty("Folders", "folder2", "G:\\Temp\\Backup", null);
// Save changes back to strFile.
objINI.save();
objINI = null;
}
/*------------------------------------------------------------------------------
* Private class representing the INI Section.
*----------------------------------------------------------------------------*/
/**
* Class to represent the individual ini file section.
* @author Prasad P. Khandekar
* @version 1.0
* @since 1.0
*/
private class INISection
{
/** Variable to hold any comments associated with this section */
private String mstrComment;
/** Variable to hold the section name. */
private String mstrName;
/** Variable to hold the properties falling under this section. */
private LinkedHashMap mhmapProps;
/**
* Construct a new section object identified by the name specified in
* parameter.
* @param pstrSection The new sections name.
*/
public INISection(String pstrSection)
{
this.mstrName = pstrSection;
this.mhmapProps = new LinkedHashMap();
}
/**
* Construct a new section object identified by the name specified in
* parameter and associated comments.
* @param pstrSection The new sections name.
* @param pstrComments the comments associated with this section.
*/
public INISection(String pstrSection, String pstrComments)
{
this.mstrName = pstrSection;
this.mstrComment = delRemChars(pstrComments);
this.mhmapProps = new LinkedHashMap();
}
/**
* Sets the comments associated with this section.
* @param pstrComments the comments
*/
public void setSecComments(String pstrComments)
{
this.mstrComment = delRemChars(pstrComments);
}
/**
* Removes specified property value from this section.
* @param pstrProp The name of the property to be removed.
*/
public void removeProperty(String pstrProp)
{
if (this.mhmapProps.containsKey(pstrProp))
this.mhmapProps.remove(pstrProp);
}
/**
* Creates or modifies the specified property value.
* @param pstrProp The name of the property to be created or modified.
* @param pstrValue The new value for the property.
* @param pstrComments the associated comments
*/
public void setProperty(String pstrProp, String pstrValue, String pstrComments)
{
this.mhmapProps.put(pstrProp, new INIProperty(pstrProp, pstrValue, pstrComments));
}
/**
* Returns a map of all properties.
* @return a map of all properties
*/
public Map getProperties()
{
return Collections.unmodifiableMap(this.mhmapProps);
}
/**
* Returns a string array containing names of all the properties under
* this section.
* @return the string array of property names.
*/
public String[] getPropNames()
{
int iCntr = 0;
String[] arrRet = null;
Iterator iter = null;
try
{
if (this.mhmapProps.size() > 0)
{
arrRet = new String[this.mhmapProps.size()];
for (iter = this.mhmapProps.keySet().iterator();iter.hasNext();)
{
arrRet[iCntr] = (String) iter.next();
iCntr++;
}
}
}
catch (NoSuchElementException NSEExIgnore)
{
arrRet = null;
}
return arrRet;
}
/**
* Returns underlying value of the specified property.
* @param pstrProp the property whose underlying value is to be etrieved.
* @return the property value.
*/
public INIProperty getProperty(String pstrProp)
{
INIProperty objRet = null;
if (this.mhmapProps.containsKey(pstrProp))
objRet = (INIProperty) this.mhmapProps.get(pstrProp);
return objRet;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
Set colKeys = null;
String strRet = "";
Iterator iter = null;
INIProperty objProp = null;
StringBuffer objBuf = new StringBuffer();
if (this.mstrComment != null)
objBuf.append(addRemChars(this.mstrComment));
objBuf.append("[" + this.mstrName + "]\r\n");
colKeys = this.mhmapProps.keySet();
if (colKeys != null)
{
iter = colKeys.iterator();
if (iter != null)
{
while (iter.hasNext())
{
objProp = (INIProperty) this.mhmapProps.get(iter.next());
objBuf.append(objProp.toString());
objBuf.append("\r\n");
objProp = null;
}
}
}
strRet = objBuf.toString();
objBuf = null;
iter = null;
colKeys = null;
return strRet;
}
}
/*------------------------------------------------------------------------------
* Private class representing the INI Property.
*----------------------------------------------------------------------------*/
/**
* This class represents a key value pair called property in an INI file.
* @author Prasad P. Khandekar
* @version 1.0
* @since 1.0
*/
private class INIProperty
{
/** Variable to hold name of this property */
private String mstrName;
/** Variable to hold value of this property */
private String mstrValue;
/** Variable to hold comments associated with this property */
private String mstrComments;
/**
* Constructor
* @param pstrName the name of this property.
* @param pstrValue the value of this property.
* @param pstrComments the comments associated with this property.
*/
public INIProperty(String pstrName, String pstrValue, String pstrComments)
{
this.mstrName = pstrName;
this.mstrValue = pstrValue;
this.mstrComments = delRemChars(pstrComments);
}
/**
* Returns value of this property. If value contains a reference to
* environment avriable then this reference is replaced by actual value
* before the value is returned.
* @return the value of this property.
*/
public String getPropValue()
{
int intStart = 0;
int intEnd = 0;
String strVal = null;
String strVar = null;
String strRet = null;
strRet = this.mstrValue;
intStart = strRet.indexOf("%");
if (intStart >= 0)
{
intEnd = strRet.indexOf("%", intStart + 1);
strVar = strRet.substring(intStart + 1, intEnd);
strVal = mpropEnv.getProperty(strVar);
if (strVal != null)
{
strRet = strRet.substring(0, intStart) + strVal +
strRet.substring(intEnd + 1);
}
}
return strRet;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
String strRet = "";
if (this.mstrComments != null)
strRet = addRemChars(mstrComments);
strRet = strRet + this.mstrName + " = " + this.mstrValue;
return strRet;
}
}
public boolean hasSection(String sectionName) {
if (getAllSectionNames() != null) {
for (String s : getAllSectionNames()) {
if (s.equalsIgnoreCase(sectionName)) {
return true;
}
}
}
return false;
}
public boolean hasProperty(String section, String name) {
return getStringProperty(section, name) != null;
}
}
