tech.tablesaw.plotly.Plot Maven / Gradle / Ivy
package tech.tablesaw.plotly;
import tech.tablesaw.plotly.components.Figure;
import tech.tablesaw.plotly.components.Page;
import tech.tablesaw.plotly.display.Browser;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.UUID;
/**
* Displays plots in a development setting, by exporting a file containing the HTML and Javascript, and then opening
* the file in the default browser on the developer's machine.
*/
public class Plot {
private static final String DEFAULT_DIV_NAME = "target";
private static final String DEFAULT_OUTPUT_FILE = "output.html";
private static final String DEFAULT_OUTPUT_FILE_NAME = "output";
private static final String DEFAULT_OUTPUT_FOLDER = "testoutput";
public static void show(Figure figure, String divName, File outputFile) {
Page page = Page.pageBuilder(figure, divName).build();
String output = page.asJavascript();
try {
try (Writer writer = new OutputStreamWriter(new FileOutputStream(outputFile), StandardCharsets.UTF_8)) {
writer.write(output);
}
new Browser().browse(outputFile);
} catch (IOException e) {
e.printStackTrace();
}
}
public static void show(Figure figure, String divName) {
show(figure, divName, defaultFile());
}
public static void show(Figure figure) {
show(figure, randomFile());
}
public static void show(Figure figure, File outputFile) {
show(figure, DEFAULT_DIV_NAME, outputFile);
}
private static File defaultFile() {
Path path = Paths.get(DEFAULT_OUTPUT_FOLDER, DEFAULT_OUTPUT_FILE);
try {
Files.createDirectories(path.getParent());
} catch (IOException e){
e.printStackTrace();
}
return path.toFile();
}
private static File randomFile() {
Path path = Paths.get(DEFAULT_OUTPUT_FOLDER, randomizedFileName());
try {
Files.createDirectories(path.getParent());
} catch (IOException e){
e.printStackTrace();
}
return path.toFile();
}
private static String randomizedFileName() {
return DEFAULT_OUTPUT_FILE_NAME + UUID.randomUUID().toString() + ".html";
}
}