DaveUtils.java

package guiUtilities;
import  java.io.*;
import java.util.*;
import java.util.regex.*;

public class DaveUtils {
       

        public static String padString(String theString, int theLength) {
        int i, numberOfPads, reqLength;
        reqLength = theLength;
        if(reqLength < 0) reqLength *= -1;
        if(theString.length() >= reqLength) return theString;
        StringBuffer newString = new StringBuffer(theString);
        numberOfPads = reqLength - theString.length();
        if(theLength > 0) {
                for(i=0;i<numberOfPads;i++) newString.insert(0," ");
                }
        else {
                for(i=0;i<numberOfPads;i++) newString.append(" ");
                }
        return newString.toString();
        }
        public static String padString(String theString, int theLength, char c) {
        int i, numberOfPads, reqLength;
        reqLength = theLength;
        if(reqLength < 0) reqLength *= -1;
        if(theString.length() >= reqLength) return theString;
        StringBuffer newString = new StringBuffer(theString);
        numberOfPads = reqLength - theString.length();
        if(theLength > 0) {
                for(i=0;i<numberOfPads;i++) newString.insert(0,c);
                }
        else {
                for(i=0;i<numberOfPads;i++) newString.append(c);
                }
        return newString.toString();
        }

        public static void copyFile(String fileName, String targetFileName) throws IOException {
                String lineString;

                        FileReader fr = new FileReader(fileName);
                        FileWriter fw = new FileWriter(targetFileName);
                        BufferedReader in = new BufferedReader(fr);
                        BufferedWriter out = new BufferedWriter(fw);
                        while( (lineString = in.readLine()) != null) {
                                out.write(lineString,0,lineString.length());
                                out.newLine();
                                }
                        in.close();
                        out.close();
                }
    public static String extractDate(String dbDate) {
       String[] monthnames = {"JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"};
       int theMonth=0;
       if(dbDate.length() < 12) return dbDate;
       String day = dbDate.substring(8,10);
       String month = dbDate.substring(5,7);
       try {
         theMonth = Integer.parseInt(month);
        }
       catch (Exception e) {theMonth=1;System.out.println("Cant extract monthname!!");}
       String year = dbDate.substring(2,4);
       month = (theMonth>0 && theMonth<13) ? monthnames[theMonth-1] : "???"; 
       return day+"-"+month+"-"+year;
       }

    public static String extractSCTDAQDate(String dbDate) {
       String[] monthnames = {"01","02","03","04","05","06","07","08","09","10","11","12"};
       int theMonth=0;
       if(dbDate.length() < 12) return dbDate;
       String day = dbDate.substring(8,10);
       String month = dbDate.substring(5,7);
       try {
         theMonth = Integer.parseInt(month);
        }
       catch (Exception e) {theMonth=0;System.out.println("Cant extract monthname!!");}
       String year = dbDate.substring(0,4);
       month = (theMonth>0 && theMonth<13) ? monthnames[theMonth-1] : "???"; 
       return day+"/"+month+"/"+year;
       }


public static void writeTXT(File file,javax.swing.table.AbstractTableModel db) {
// write a spreadhseet file as text with semicolon as a delimiter
     try {
          FileWriter fw = new FileWriter(file);
          BufferedWriter out = new BufferedWriter(fw);

          int numRows = db.getRowCount();
          int numCols = db.getColumnCount();
          String line="";
          for(int i=0;i<numCols;i++) {
                             String title = db.getColumnName(i);
                             line += (i==0) ? db.getColumnName(i) : "\t"+db.getColumnName(i);
                             }
          out.write(line,0,line.length());
          out.newLine();
                         
          for (int i=0; i < numRows; i++) {
              line="";
              for (int j=0; j < numCols; j++) {
              
//                             Vector theRow = (Vector)db.rows.elementAt(i);
                     String content = (String)db.getValueAt(i,j);
                     line += (j==0) ? content : "\t"+content;                              
                     }
               out.write(line,0,line.length());
               out.newLine();
               }
          out.close();
          System.out.println("Saved file tab-delimited text file "+file.getAbsolutePath());
      } catch(IOException e) {System.out.println("Error creating file "+file.getAbsolutePath());}
  }
   public static double getCorrectedCurrent(double uncorrectedCurrent, double temperature) {

            double tk = temperature+273.;
// get correction factor for conversion to 20C
            double theExponent = -7019.*(temperature-20.0)/293./tk;
            double corrFactor = Math.exp(theExponent)*(293./tk)*(293./tk);
            return uncorrectedCurrent*corrFactor;
            }

public static String getStyleSheet2() {
 StringBuffer sheet = new StringBuffer();
 sheet.append("<STYLE TYPE=\"text/css\">\n");
 sheet.append("<!--\n");
 sheet.append("p {font-family: Geneva,Arial,sans-serif; font-size: 10pt }\n");
 sheet.append("ul {font-family: Geneva,Arial,sans-serif; font-size: 10pt }\n");
 sheet.append("li {font-family: Geneva,Arial,sans-serif; font-size: 10pt }\n");
 sheet.append("dd {font-family: Geneva,Arial,sans-serif; font-size: 10pt }\n");
 sheet.append("table {font-family: Geneva,Arial,sans-serif; font-size: 10pt }\n");
 sheet.append("td {font-family: Geneva,Arial,sans-serif; font-size: 10pt }\n");
 sheet.append("td.bold {font-family: Geneva,Arial,sans-serif; font-size: 10pt; font-weight: bold }\n");
 sheet.append("h1 {font-family: Arial, sans-serif; font-size: 16pt ; color: navy }\n");
 sheet.append("h2 {font-family: Arial, sans-serif; font-size: 14pt ; color: navy }\n");
 sheet.append("h3 {font-family: Arial, sans-serif; font-size: 12pt ; color: navy }\n");
 sheet.append("b {font-family: Arial, sans-serif; font-size: 10pt; font-weight: bold}\n");
 sheet.append(".bold {font-weight: bold}\n");
 sheet.append(".boldred {font-weight: bold; color: red }\n");
 sheet.append(".boldgreen {font-weight: bold; color: green}\n");
 sheet.append(".boldpurple {font-weight: bold; color: purple }\n");
 sheet.append("-->\n");
 sheet.append("</STYLE>\n");
 return sheet.toString();
}
public static String getStyleSheet() {
 StringBuffer sheet = new StringBuffer();
 sheet.append("<STYLE TYPE=\"text/css\">\n");
 sheet.append("<!--\n");
 sheet.append("FONT             {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("TD               {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("BODY             {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("P                {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("DIV              {FONT-FAMILY: Tahoma, VerdanaHelvetica; FONT-SIZE: 10pt}\n");
 sheet.append("INPUT            {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("TEXTAREA {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("FORM             {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("SELECT           {FONT-FAMILY: Tahoma, Verdana, Helvetica; FONT-SIZE: 10pt}\n");
 sheet.append("A:link          {BACKGROUND: none; COLOR: #215DC6; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma, Verdana, Helvetica; TEXT-DECORATION: none}\n");
 sheet.append("A:active        {BACKGROUND: none; COLOR: #215DC6; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma, Verdana, Helvetica; TEXT-DECORATION: underline}\n");
 sheet.append("A:visited       {BACKGROUND: none; COLOR: #215DC6; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma, Verdana, Helvetica; TEXT-DECORATION: none}\n");
 sheet.append("A:hover         {BACKGROUND: #215DC6; COLOR: #FFFFFF; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma, Verdana, Helvetica; TEXT-DECORATION: none}\n");
 sheet.append("-->\n");
 sheet.append("</STYLE>\n");
 return sheet.toString();
}
 public static String getHTMLHeader(String title) {
     StringBuffer html = new StringBuffer("<html><head>");
     html.append(guiUtilities.DaveUtils.getStyleSheet());
     html.append("<title>title</title>");
     html.append("</head><body>\n");
     html.append("<h2>"+title+"</h2>\n");
     return html.toString();
     }
 public static String getHTMLFooter() {
     return "</body></html>";
     }
     
 public static String getTodaysDate() {
     return getTodaysDate(true);
     }

  public static String getTodaysDate(boolean longFormat) {
        int number;
        Date today = new Date();
        java.text.DateFormat formatter = java.text.DateFormat.getDateInstance(java.text.DateFormat.SHORT,new Locale("en","GB"));
        String dateString = formatter.format(today);
        Pattern datePattern = Pattern.compile("(\\d+/\\d+/)(\\d+)");
        Matcher matcher = datePattern.matcher(dateString);
        String returnString=null;
        if(matcher.matches()) {
           returnString = dateString.substring(matcher.start(1),matcher.end(1));
           System.out.println(returnString);
           if(longFormat) returnString += "20";
           returnString += dateString.substring(matcher.start(2),matcher.end(2));
           }
//        System.out.println("todays date is "+returnString);
        return returnString;
        }

  public static String getCurrentTime() {
        try {
          Date today = new Date();
          java.text.DateFormat formatter = java.text.DateFormat.getTimeInstance(java.text.DateFormat.DEFAULT,new Locale("en","GB"));
          return formatter.format(today);
          }catch(Exception e){}
        return "Unknown";
        }
  public static Integer getIntFromHex(String string) {
       java.util.Map hexMap = new java.util.HashMap();
       char[] hexchars = {'a','b','c','d','e','f'};
       for(int i=0;i<hexchars.length;i++) {
         hexMap.put(new Character(hexchars[i]),new Integer(i+10));
         }

       try {
         Integer val = Integer.valueOf(string);
         return val;  // return here if string matches an integer value, ie not hex
         }
       catch(Exception e){}


       java.util.regex.Pattern hexPattern = java.util.regex.Pattern.compile("0[xX]([a-fA-F0-9]+)");
       java.util.regex.Matcher matcher = hexPattern.matcher(string);
       if(!matcher.matches()) return null;
       String data = string.substring(matcher.start(1),matcher.end(1)).toLowerCase();
       int len = data.length();
       int dataValue=0;
       for(int i=0;i<len;i++) {
          try {
            char c = data.charAt(i);
            int x = Character.isLetter(c) ? ((Integer)hexMap.get(new Character(c))).intValue() : Integer.parseInt(data.substring(i,i+1));
            int offset = len-i-1;
            int factor = 1;
            for(int k=0;k<offset;k++) factor *=16;
            dataValue += x*factor;
            }catch(Exception e) {
              System.err.println("Exception parsing letter "+i+" of "+data);
              return null;
              }
            }
        return new Integer(dataValue);
        }



 

}

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