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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 4749 $
*
*/
package net.sourceforge.plantuml.cucadiagram;
public abstract class EntityUtils {
public static boolean groupRoot(IGroup g) {
if (g == null) {
throw new IllegalStateException();
}
return g instanceof GroupRoot;
}
private static boolean isParent(IGroup groupToBeTested, IGroup parentGroup) {
if (groupToBeTested.isGroup() == false) {
// Very strange!
return false;
}
if (groupToBeTested.isGroup() == false) {
throw new IllegalArgumentException();
}
while (EntityUtils.groupRoot(groupToBeTested) == false) {
if (groupToBeTested == parentGroup) {
return true;
}
groupToBeTested = groupToBeTested.getParentContainer();
if (groupToBeTested.isGroup() == false) {
throw new IllegalStateException();
}
}
return false;
}
public static boolean isPureInnerLink12(IGroup group, Link link) {
if (group.isGroup() == false) {
throw new IllegalArgumentException();
}
final IEntity e1 = link.getEntity1();
final IEntity e2 = link.getEntity2();
final IGroup group1 = e1.getParentContainer();
final IGroup group2 = e2.getParentContainer();
if (isParent(group1, group) && isParent(group2, group)) {
return true;
}
return false;
}
public static boolean isPureInnerLink3(IGroup group, Link link) {
if (group.isGroup() == false) {
throw new IllegalArgumentException();
}
final IEntity e1 = link.getEntity1();
final IEntity e2 = link.getEntity2();
final IGroup group1 = e1.getParentContainer();
final IGroup group2 = e2.getParentContainer();
if (isParent(group2, group) == isParent(group1, group)) {
return true;
}
return false;
}
}