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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: 5041 $
*
*/
package net.sourceforge.plantuml.command;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.sourceforge.plantuml.command.regex.RegexConcat;
import net.sourceforge.plantuml.core.Diagram;
public abstract class CommandMultilines2 implements Command {
private final RegexConcat starting;
private final MultilinesStrategy strategy;
public CommandMultilines2(RegexConcat patternStart, MultilinesStrategy strategy) {
if (patternStart.getPattern().startsWith("^") == false || patternStart.getPattern().endsWith("$") == false) {
throw new IllegalArgumentException("Bad pattern " + patternStart.getPattern());
}
this.strategy = strategy;
this.starting = patternStart;
}
public abstract String getPatternEnd();
public String[] getDescription() {
return new String[] { "START: " + starting.getPattern(), "END: " + getPatternEnd() };
}
final public CommandControl isValid(List lines) {
lines = strategy.filter(lines);
if (isCommandForbidden()) {
return CommandControl.NOT_OK;
}
final boolean result1 = starting.match(lines.get(0).trim());
if (result1 == false) {
return CommandControl.NOT_OK;
}
if (lines.size() == 1) {
return CommandControl.OK_PARTIAL;
}
final Matcher m1 = Pattern.compile(getPatternEnd()).matcher(lines.get(lines.size() - 1).trim());
if (m1.matches() == false) {
return CommandControl.OK_PARTIAL;
}
actionIfCommandValid();
return CommandControl.OK;
}
public final CommandExecutionResult execute(S system, List lines) {
return executeNow(system, strategy.filter(lines));
}
public abstract CommandExecutionResult executeNow(S system, List lines);
protected boolean isCommandForbidden() {
return false;
}
protected void actionIfCommandValid() {
}
protected final RegexConcat getStartingPattern() {
return starting;
}
}