plantuml/src/com/plantuml/wasm/Utils.java

84 lines
2.7 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package com.plantuml.wasm;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.SourceStringReader;
import net.sourceforge.plantuml.core.DiagramDescription;
public class Utils {
public static int convertPng(String pathOut, String text) throws IOException {
final FileFormatOption format = new FileFormatOption(FileFormat.PNG);
text = cleanText(text);
return doTheJob(pathOut, text, format);
}
private static String cleanText(String text) {
if (text.endsWith("\n") == false)
text = text + "\n";
if (text.endsWith("@start") == false)
text = "@startuml\n" + text + "@enduml\n";
return text;
}
private static int doTheJob(String pathOut, String text, final FileFormatOption format)
throws FileNotFoundException, IOException {
final SourceStringReader sr = new SourceStringReader(text);
final FileOutputStream fos = new FileOutputStream(new File(pathOut));
DiagramDescription description = sr.outputImage(fos, format);
fos.close();
if (description.getDescription() != null && description.getDescription().contains("error"))
return 1;
return 0;
}
public static int convertSvg(String pathOut, String text) throws IOException {
final FileFormatOption format = new FileFormatOption(FileFormat.SVG);
text = cleanText(text);
return doTheJob(pathOut, text, format);
}
}