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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
* |
* | PlantUML : a free UML diagram generator
* |
* +=======================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
*
* Project Info: https://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* https://plantuml.com/patreon (only 1$ per month!)
* https://plantuml.com/liberapay (only 1€ per month!)
* https://plantuml.com/paypal
*
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see exportDiagrams(Diagram system, SuggestedFile suggested,
FileFormatOption fileFormatOption) throws IOException {
return exportDiagrams(system, suggested, fileFormatOption, false);
}
public static List exportDiagrams(Diagram system, SuggestedFile suggestedFile,
FileFormatOption fileFormatOption, boolean checkMetadata) throws IOException {
// ::comment when __CORE__
final SFile existingFile = suggestedFile.getFile(0);
if (checkMetadata && fileFormatOption.getFileFormat().doesSupportMetadata() && existingFile.exists()) {
// && system.getNbImages() == 1) {
final boolean sameMetadata = fileFormatOption.getFileFormat().equalsMetadata(system.getMetadata(),
existingFile);
if (sameMetadata) {
Log.info("Skipping " + existingFile.getPrintablePath() + " because metadata has not changed.");
return Arrays.asList(new FileImageData(existingFile, null));
}
}
if (system instanceof NewpagedDiagram)
return exportDiagramsNewpaged((NewpagedDiagram) system, suggestedFile, fileFormatOption);
if (system instanceof SequenceDiagram)
return exportDiagramsSequence((SequenceDiagram) system, suggestedFile, fileFormatOption);
// ::comment when __CORE__
if (system instanceof CucaDiagram && fileFormatOption.getFileFormat() == FileFormat.HTML)
return createFilesHtml((CucaDiagram) system, suggestedFile);
return exportDiagramsDefault(system, suggestedFile, fileFormatOption);
}
private static List exportDiagramsNewpaged(NewpagedDiagram system, SuggestedFile suggestedFile,
FileFormatOption fileFormat) throws IOException {
final List result = new ArrayList<>();
final int nbImages = system.getNbImages();
for (int i = 0; i < nbImages; i++) {
final SFile f = suggestedFile.getFile(i);
if (canFileBeWritten(f) == false)
return result;
final OutputStream fos = f.createBufferedOutputStream();
ImageData cmap = null;
try {
system.exportDiagram(fos, i, fileFormat);
} finally {
fos.close();
}
// if (system.hasUrl() && cmap != null && cmap.containsCMapData()) {
// system.exportCmap(suggestedFile, cmap);
// }
Log.info("File size : " + f.length());
result.add(new FileImageData(f, cmap));
}
return result;
}
public static boolean canFileBeWritten(final SFile f) {
Log.info("Creating file: " + f.getAbsolutePath());
if (f.exists() && f.canWrite() == false) {
if (OptionFlags.getInstance().isOverwrite()) {
Log.info("Overwrite " + f);
f.setWritable(true);
f.delete();
return true;
}
Log.error("Cannot write to file " + f.getAbsolutePath());
return false;
}
return true;
}
private static List exportDiagramsSequence(SequenceDiagram system, SuggestedFile suggestedFile,
FileFormatOption fileFormat) throws IOException {
final List result = new ArrayList<>();
final int nbImages = system.getNbImages();
for (int i = 0; i < nbImages; i++) {
final SFile f = suggestedFile.getFile(i);
if (PSystemUtils.canFileBeWritten(suggestedFile.getFile(i)) == false)
return result;
final OutputStream fos = f.createBufferedOutputStream();
ImageData cmap = null;
try {
cmap = system.exportDiagram(fos, i, fileFormat);
} finally {
fos.close();
}
// ::comment when __CORE__
if (cmap != null && cmap.containsCMapData())
system.exportCmap(suggestedFile, i, cmap);
Log.info("File size : " + f.length());
result.add(new FileImageData(f, cmap));
}
return result;
}
private static List createFilesHtml(CucaDiagram system, SuggestedFile suggestedFile)
throws IOException {
final String name = suggestedFile.getName();
final int idx = name.lastIndexOf('.');
final SFile dir = suggestedFile.getParentFile().file(name.substring(0, idx));
final CucaDiagramHtmlMaker maker = new CucaDiagramHtmlMaker(system, dir);
return maker.create();
}
private static List splitPng(TitledDiagram diagram, SuggestedFile pngFile, ImageData imageData,
FileFormatOption fileFormatOption) throws IOException {
final List files = new PngSplitter(fileFormatOption.getColorMapper(), pngFile,
diagram.getSplitPagesHorizontal(), diagram.getSplitPagesVertical(),
fileFormatOption.isWithMetadata() ? diagram.getMetadata() : null, diagram.getSkinParam().getDpi(),
diagram instanceof GanttDiagram ? new SplitParam(HColors.BLACK, null, 5) // for backwards compatibility
: diagram.getSkinParam().getSplitParam()).getFiles();
final List result = new ArrayList<>();
for (SFile f : files)
result.add(new FileImageData(f, imageData));
return result;
}
private static List exportDiagramsDefault(Diagram system, SuggestedFile suggestedFile,
FileFormatOption fileFormatOption) throws IOException {
final SFile outputFile = suggestedFile.getFile(0);
if (outputFile.isDirectory())
throw new IllegalArgumentException("File is a directory " + suggestedFile);
if (!canFileBeWritten(outputFile))
return emptyList();
final ImageData imageData;
try (OutputStream os = outputFile.createBufferedOutputStream()) {
imageData = system.exportDiagram(os, 0, fileFormatOption);
}
if (imageData == null)
return emptyList();
// ::comment when __CORE__
if (imageData.containsCMapData() && system instanceof UmlDiagram)
((UmlDiagram) system).exportCmap(suggestedFile, 0, imageData);
if (system instanceof TitledDiagram && fileFormatOption.getFileFormat() == FileFormat.PNG)
return splitPng((TitledDiagram) system, suggestedFile, imageData, fileFormatOption);
return singletonList(new FileImageData(outputFile, imageData));
}
}