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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* This file is part of PlantUML.
*
* Licensed under The MIT License (Massachusetts Institute of Technology License)
*
* See http://opensource.org/licenses/MIT
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*
* Original Author: Arnaud Roques
*/
package net.sourceforge.plantuml.directdot;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import net.sourceforge.plantuml.AbstractPSystem;
import net.sourceforge.plantuml.CounterOutputStream;
import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.api.ImageDataSimple;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.core.DiagramDescriptionImpl;
import net.sourceforge.plantuml.core.ImageData;
import net.sourceforge.plantuml.cucadiagram.dot.Graphviz;
import net.sourceforge.plantuml.cucadiagram.dot.GraphvizUtils;
import net.sourceforge.plantuml.cucadiagram.dot.ProcessState;
import net.sourceforge.plantuml.graphic.GraphicStrings;
import net.sourceforge.plantuml.graphic.HtmlColorUtils;
import net.sourceforge.plantuml.graphic.TextBlock;
import net.sourceforge.plantuml.ugraphic.ColorMapperIdentity;
import net.sourceforge.plantuml.ugraphic.UGraphicUtils;
public class PSystemDot extends AbstractPSystem {
private final String data;
public PSystemDot(String data) {
this.data = data;
}
public DiagramDescription getDescription() {
return new DiagramDescriptionImpl("(Dot)", getClass());
}
public ImageData exportDiagram(OutputStream os, int num, FileFormatOption fileFormat) throws IOException {
final Graphviz graphviz = GraphvizUtils
.create(data, StringUtils.goLowerCase(fileFormat.getFileFormat().name()));
if (graphviz.illegalDotExe()) {
final TextBlock result = GraphicStrings.createDefault(Arrays.asList("There is an issue with your Dot/Graphviz installation"), false);
UGraphicUtils.writeImage(os, null, fileFormat, new ColorMapperIdentity(), HtmlColorUtils.WHITE, result);
return new ImageDataSimple();
}
final CounterOutputStream counter = new CounterOutputStream(os);
final ProcessState state = graphviz.createFile3(counter);
if (state.differs(ProcessState.TERMINATED_OK())) {
throw new IllegalStateException("Timeout1 " + state);
}
if (counter.getLength() == 0) {
final TextBlock result = GraphicStrings.createDefault(Arrays.asList("Graphivz has crashed"), false);
UGraphicUtils.writeImage(os, null, fileFormat, new ColorMapperIdentity(), HtmlColorUtils.WHITE, result);
}
return new ImageDataSimple();
}
}
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