Question: Why doesn't my program turn CSV file into KML? Attached below is my java program...
Question: Why doesn't my program turn CSV file into KML? Attached below is my java program along with my CSV file
JAVA PROGRAM:
import java.util.Scanner;
import java.io.PrintWriter;
import java.io.File;
import java.io.FileNotFoundException;
public class Library {
private static Scanner s;
private static PrintWriter outFile;
public static void printHeader() {
outFile.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
outFile.println("<kml xmlns=\"http://www.opengis.net/kml/2.2\">");
outFile.println("<Document>");
} // endmethod printHeader...
public static void printData(String secterType,String name, String lat,String lon) {
outFile.println("<Placemark>");
outFile.println(" <Style>");
outFile.println(" <LabelStyle>");
outFile.println(" <scale>0</scale>");
outFile.println(" </LabelStyle>");
outFile.println(" <IconStyle>");
outFile.println(" <Icon>");
if (secterType.equalsIgnoreCase("public")) {
outFile.println(" <href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>");
} else {
outFile.println(" <href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>");
} // endif...
outFile.println(" </Icon>");
outFile.println(" </IconStyle>");
outFile.println(" </Style>");
outFile.println(" <name>"+name+"</name>");
outFile.println(" <description>");
outFile.println(" <![CDATA[");
outFile.println(" <h1>"+name+"</h1>");
outFile.println(" <ul>");
outFile.println(" <li>Type ="+secterType);
outFile.println(" </ul>");
outFile.println(" ]]>");
outFile.println(" </description>");
outFile.println(" <Point>");
outFile.println(" <coordinates>"+lat+","+lon+"</coordinates>");
outFile.println(" </Point>");
outFile.println("</Placemark>");
} // endmenthod printData...
public static void printTail() {
outFile.println("</Document>");
outFile.println("</kml>");
}
public static void parseData(String inString) {
// input line: name,coordinates
String[] tokens = inString.split(",");
String secterType = tokens[0];
String name = tokens[1];
String lat = tokens[2].replace("\"","");
String lon = tokens[3].replace("\"","");
printData(secterType,name,lat,lon);
} // endmethod parseData...
public static void readData(int maxLine) {
String inString = "";
int i=0;
inString = s.nextLine(); // first 2 lines of CSV file are comments...
inString = s.nextLine(); // first 2 lines of CSV file are comments...
while(i < maxLine) {
inString = s.nextLine();
//outFile.println("line "+i+" = "+inString);
parseData(inString);
System.out.println("line "+i+" = "+inString);
i++;
} // endwhile...
} // endmethod readData...
public static void main(String[] args) throws FileNotFoundException {
s = new Scanner(new File("librarylist.csv"));
outFile = new PrintWriter("libraryMap.kml");
printHeader();
readData(1000);
printTail();
s.close();
outFile.close();
} // endmethod main...
}
CSV FILE:
| #type | name | lat | lon |
| public | Martin Luther King Jr. Memorial Library | 38.89869166 | -77.02476625 |
| public | Capitol View Library | 38.88895483 | -76.92957721 |
| public | Georgetown Library | 38.91343456 | -77.06600731 |
| public | Petworth Library | 38.94220022 | -77.02613743 |
| public | Chevy Chase Library | 38.96556949 | -77.07545672 |
| public | Northeast Library | 38.89440688 | -76.99635899 |
| public | Tenley-Friendship Library | 38.94760839 | -77.07988675 |
| public | Palisades Library | 38.9183818 | -77.09717464 |
| public | Southeast Library | 38.88408446 | -76.99651546 |
| public | Library Express | 38.9021849 | -77.044548 |
Homework Answers
import java.util.Scanner;
import java.io.PrintWriter;
import java.io.File;
import java.io.FileNotFoundException;
class Library {
private static Scanner s;
private static PrintWriter outFile;
public static void printHeader() {
outFile.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
outFile.println("<kml xmlns=\"http://www.opengis.net/kml/2.2\">");
outFile.println("<Document>");
} // endmethod printHeader...
public static void printData(String secterType,String name, String lat,String lon) {
outFile.println("<Placemark>");
outFile.println(" <Style>");
outFile.println(" <LabelStyle>");
outFile.println(" <scale>0</scale>");
outFile.println(" </LabelStyle>");
outFile.println(" <IconStyle>");
outFile.println(" <Icon>");
if (secterType.equalsIgnoreCase("public")) {
outFile.println(" <href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>");
} else {
outFile.println(" <href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>");
} // endif...
outFile.println(" </Icon>");
outFile.println(" </IconStyle>");
outFile.println(" </Style>");
outFile.println(" <name>"+name+"</name>");
outFile.println(" <description>");
outFile.println(" <![CDATA[");
outFile.println(" <h1>"+name+"</h1>");
outFile.println(" <ul>");
outFile.println(" <li>Type ="+secterType);
outFile.println(" </ul>");
outFile.println(" ]]>");
outFile.println(" </description>");
outFile.println(" <Point>");
outFile.println(" <coordinates>"+lat+","+lon+"</coordinates>");
outFile.println(" </Point>");
outFile.println("</Placemark>");
} // endmenthod printData...
public static void printTail() {
outFile.println("</Document>");
outFile.println("</kml>");
}
public static void parseData(String inString) {
// input line: name,coordinates
String[] tokens = inString.split(" ");// correction 1: here i made
a correction, instead of ',' use space (' ') as a delimiter
String secterType = tokens[0];
String name = tokens[1];
String lat = tokens[2].replace("\"","");
String lon = tokens[3].replace("\"","");
printData(secterType,name,lat,lon);
} // endmethod parseData...
public static void readData(int maxLine) {
String inString = "";
int i=0;
inString = s.nextLine(); // first 2 lines of CSV file are comments...
inString = s.nextLine(); // first 2 lines of CSV file are comments...
while(i < maxLine && s.hasNextLine())// correction 2: we should use s.hasNextLine() to read the file till data exists.
{
inString = s.nextLine();
parseData(inString);
System.out.println("line "+i+" = "+inString);
i++;
} // endwhile...
} // endmethod readData...
public static void main(String[] args) throws FileNotFoundException {
s = new Scanner(new File("librarylist.csv"));
outFile = new PrintWriter("libraryMap.kml");
printHeader();
readData(1000);
printTail();
s.close();
outFile.close();
} // endmethod main...
}
output kml file:-
<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://www.opengis.net/kml/2.2">
<Document>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Capitol</name>
<description>
<![CDATA[
<h1> Capitol</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>View,Library</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Georgetown</name>
<description>
<![CDATA[
<h1> Georgetown</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Library,
38.91343456</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Petworth</name>
<description>
<![CDATA[
<h1> Petworth</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Library,
38.94220022</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Chevy</name>
<description>
<![CDATA[
<h1> Chevy</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Chase,Library</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Northeast</name>
<description>
<![CDATA[
<h1> Northeast</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Library,
38.89440688</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Tenley-Friendship</name>
<description>
<![CDATA[
<h1> Tenley-Friendship</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Library,
38.94760839</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Palisades</name>
<description>
<![CDATA[
<h1> Palisades</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Library,
38.9183818</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Southeast</name>
<description>
<![CDATA[
<h1> Southeast</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Library,
38.88408446</coordinates>
</Point>
</Placemark>
<Placemark>
<Style>
<LabelStyle>
<scale>0</scale>
</LabelStyle>
<IconStyle>
<Icon>
<href>http://maps.google.com/mapfiles/kml/shapes/library.png</href>
</Icon>
</IconStyle>
</Style>
<name> Library</name>
<description>
<![CDATA[
<h1> Library</h1>
<ul>
<li>Type =public
</ul>
]]>
</description>
<Point>
<coordinates>Express,
38.9021849</coordinates>
</Point>
</Placemark>
</Document>
</kml>
hope you like my answer, thank you
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