Java

CSV Set Column Name

Demonstrates how to set the name of a column in a CSV. Chilkat2 Java

import com.chilkatsoft.chilkat2.Csv;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // We have the following CSV...

        // permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
        // lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
        // mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
        // flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
        // infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
        // gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

        boolean bCrlf = true;
        StringBuilder sb = new StringBuilder();
        sb.appendLine("permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round", bCrlf);
        sb.appendLine("lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b", bCrlf);
        sb.appendLine("mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed", bCrlf);
        sb.appendLine("flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a", bCrlf);
        sb.appendLine("infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a", bCrlf);
        sb.appendLine("gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed", bCrlf);

        Csv csv = new Csv();

        csv.setHasColumnNames(true);
        csv.loadFromString(sb.getAsString());

        // Get each column name..
        int numCols = csv.getNumColumns();
        int i = 0;
        while (i < numCols) {
            System.out.println(csv.getColumnName(i));
            i = i + 1;
        }

        System.out.println("---");

        // Change the "numEmps" column name to "employeeCount"
        csv.setColumnName(2, "employeeCount");

        numCols = csv.getNumColumns();
        i = 0;
        while (i < numCols) {
            System.out.println(csv.getColumnName(i));
            i = i + 1;
        }

        // Use the updated column name...
        System.out.println("---");
        System.out.println(csv.getCellByName(3, "employeeCount"));

        // Output should be:

        // permalink
        // company
        // numEmps
        // category
        // city
        // state
        // fundedDate
        // raisedAmt
        // raisedCurrency
        // round
        // ---
        // permalink
        // company
        // employeeCount
        // category
        // city
        // state
        // fundedDate
        // raisedAmt
        // raisedCurrency
        // round
        // ---
        // 105
    }
}