com.twosigma.znai.diagrams.plantuml.PlantUml Maven / Gradle / Ivy

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/*
 * Copyright 2019 TWO SIGMA OPEN SOURCE, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.twosigma.znai.diagrams.plantuml;

import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.SourceStringReader;

import java.io.ByteArrayOutputStream;
import java.nio.charset.StandardCharsets;

public class PlantUml {
    public static String generateSvg(String plantUml) {
        SourceStringReader reader = new SourceStringReader(plantUml);

        try {
            final ByteArrayOutputStream os = new ByteArrayOutputStream();
            reader.generateImage(os, new FileFormatOption(FileFormat.SVG));
            os.close();

            return os.toString(String.valueOf(StandardCharsets.UTF_8));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}