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/* ========================================================================
* 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.project.command;
import java.util.List;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand;
import net.sourceforge.plantuml.project.Expression;
import net.sourceforge.plantuml.project.PSystemProject;
public class CommandAffectation extends SingleLineCommand<PSystemProject> {
public CommandAffectation() {
super("(?i)^\\s*([~\\^]?[\\w$/]+)\\s*:=\\s*(.+)$");
}
@Override
protected CommandExecutionResult executeArg(PSystemProject diagram, List<String> arg) {
final Expression exp = diagram.getProject().getExpression(StringUtils.trin(arg.get(1)));
final boolean ok = diagram.getProject().affectation(StringUtils.trin(arg.get(0)), exp);
if (ok) {
return CommandExecutionResult.ok();
}
return CommandExecutionResult.error("Cannot execute");
}
}
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