Java

CSV Append New Row

Demonstrates how to append a new row to 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());

        // Let's say we want to append the following row:
        // yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a

        // If we have the row as-is, we could do this:
        Csv csvTemp = new Csv();
        csvTemp.loadFromString("yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a");
        int numCols = csvTemp.getNumColumns();
        int i = 0;
        int row = csv.getNumRows();
        while (i < numCols) {
            csv.setCell(row, i, csvTemp.getCell(0, i));
            i = i + 1;
        }

        // Show the updated CSV:
        System.out.println(csv.saveToString());

        // Output should be:
        // 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
        // yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a
    }
}