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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, 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.cucadiagram.dot;
import java.io.File;
public enum ExeState {
NULL_UNDEFINED, OK, DOES_NOT_EXIST, IS_A_DIRECTORY, NOT_A_FILE, CANNOT_BE_READ;
public static ExeState checkFile(File dotExe) {
if (dotExe == null) {
return NULL_UNDEFINED;
} else if (dotExe.exists() == false) {
return DOES_NOT_EXIST;
} else if (dotExe.isDirectory()) {
return IS_A_DIRECTORY;
} else if (dotExe.isFile() == false) {
return NOT_A_FILE;
} else if (dotExe.canRead() == false) {
return CANNOT_BE_READ;
}
return OK;
}
public String getTextMessage() {
switch (this) {
case OK:
return "File OK";
case NULL_UNDEFINED:
return "No dot executable found";
case DOES_NOT_EXIST:
return "File does not exist";
case IS_A_DIRECTORY:
return "It should be an executable, not a directory";
case NOT_A_FILE:
return "Not a valid file";
case CANNOT_BE_READ:
return "File cannot be read";
}
throw new IllegalStateException();
}
public String getTextMessage(File exe) {
switch (this) {
case OK:
return "File " + exe.getAbsolutePath() + " OK";
case NULL_UNDEFINED:
return NULL_UNDEFINED.getTextMessage();
case DOES_NOT_EXIST:
return "File " + exe.getAbsolutePath() + " does not exist";
case IS_A_DIRECTORY:
return "File " + exe.getAbsolutePath() + " should be an executable, not a directory";
case NOT_A_FILE:
return "File " + exe.getAbsolutePath() + " is not a valid file";
case CANNOT_BE_READ:
return "File " + exe.getAbsolutePath() + " cannot be read";
}
throw new IllegalStateException();
}
}
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