plantuml/src/net/sourceforge/plantuml/core/Diagram.java

95 lines
2.5 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, 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 net.sourceforge.plantuml.core;
import java.io.IOException;
import java.io.OutputStream;
import net.sourceforge.plantuml.FileFormatOption;
/**
* Represents a single diagram. A Diagram could be a UML (sequence diagram, class diagram...) or an non-UML diagram.
*
* @author Arnaud Roques
*/
public interface Diagram {
/**
* Export the diagram as an image to some format. Note that a diagram could be drawn as several images (think about
* <code>new page</code> for sequence diagram for example).
*
* @param os
* where to write the image
* @param num
* usually 0 (index of the image to be exported for this diagram).
* @param fileFormat
* file format to use
*
* @return a description of the generated image
*
* @throws IOException
*/
ImageData exportDiagram(OutputStream os, int num, FileFormatOption fileFormat) throws IOException;
/**
* Number of images in this diagram (usually, 1)
*
* @return usually 1
*/
int getNbImages();
DiagramDescription getDescription();
String getMetadata();
String getWarningOrError();
/**
* The original source of the diagram
*
* @return
*/
UmlSource getSource();
/**
* Check if the Diagram have some links.
*
* @return
*/
public boolean hasUrl();
}