Java Swing - PUmlApi

 Java Swing - PUmlApi

package jlib5.java;

import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;

import javax.imageio.ImageIO;

import net.sourceforge.plantuml.BlockUml;
import net.sourceforge.plantuml.BlockUmlBuilder;
import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.Option;
import net.sourceforge.plantuml.core.Diagram;

public class PUmlApi {

    public static List<BufferedImage> makeImage(String input) throws IOException, InterruptedException {
        @SuppressWarnings("deprecation")
        BlockUmlBuilder builder = new BlockUmlBuilder(
                        new ArrayList<String>(), //option.getConfig(),  
                        "UTF-8",      //option.getCharset(), 
                        new Option().getDefaultDefines(), 
                        new StringReader(input));      

        List<BufferedImage> result = new ArrayList<>();
        
        for( BlockUml blockUml : builder.getBlockUmls() ) {
            try {
                ByteArrayOutputStream os = new ByteArrayOutputStream();
                final Diagram diagram = blockUml.getDiagram();
                diagram.exportDiagram((OutputStream)os, 0, new FileFormatOption(FileFormat.PNG));
                result.add(ImageIO.read(new ByteArrayInputStream(os.toByteArray())));
                os.close();
            } catch (Exception e) {
                e.getSuppressed();
            }
        }     
        return result;
    }
}