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oms3.io.CSVTableWriter Maven / Gradle / Ivy
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package oms3.io;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Map;
/**
*
* @author od
*/
public class CSVTableWriter {
PrintWriter w;
public CSVTableWriter(Writer s, String name, String[][] meta) {
w = new PrintWriter(s);
w.println("@T," + name);
if (meta != null) {
for (String[] key : meta) {
w.println(key[0] + ", " + key[1]);
}
}
}
public CSVTableWriter(Writer s, String name, Map meta) {
w = new PrintWriter(s);
w.println("@T," + name);
if (meta != null) {
for (String key : meta.keySet()) {
w.println(key + ", " + meta.get(key));
}
}
}
public CSVTableWriter(OutputStream s, String name, String[][] meta) {
this(new OutputStreamWriter(s), name, meta);
}
public CSVTableWriter(File file, String name) throws IOException {
this(new FileWriter(file), name, (String[][]) null);
}
public void writeHeader(String... col) {
writeHeader((String[][]) null, col);
}
public void writeHeader(Map meta, String... col) {
w.print("@H");
writeRow((Object[]) col);
if (meta != null) {
for (String key : meta.keySet()) {
w.print(key);
writeRow((Object[]) meta.get(key));
}
}
}
public void writeHeader(String[][] meta, String... col) {
w.print("@H");
writeRow((Object[]) col);
if (meta != null) {
for (String[] key : meta) {
w.print(key[0]);
for (int i = 1; i < key.length; i++) {
w.print("," + key[i]);
}
w.println();
}
}
}
public void writeRow(Object... val) {
for (Object v : val) {
w.print(",");
w.print(v);
}
w.println();
}
public void close() {
w.flush();
}
public static void main(String[] args) {
CSVTableWriter w = new CSVTableWriter(System.out, "Olaf", new String[][]{
{"unit", "mm"},
{"key", "value1"}
});
w.writeHeader(new String[][]{
{"unit", "mm", "name", "val"},
{"format", "mm", "fff", "ffff"}
}, "temp", "olaf", "precip");
w.writeRow(1.3, "olaf", 5.23);
w.writeRow(1.3, "olaf", 5.23);
w.writeRow(1.3, "olaf", 5.23);
w.close();
}
}