mirror of https://github.com/octoleo/plantuml.git
70 lines
1.9 KiB
Java
70 lines
1.9 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2013, Arnaud Roques
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*
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* Project Info: http://plantuml.sourceforge.net
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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*
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* Original Author: Arnaud Roques
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*
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* Revision $Revision: 5794 $
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*
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*/
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package net.sourceforge.plantuml;
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import java.io.File;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Set;
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public class FileWatcher {
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private final Map<File, Long> modified2 = new HashMap<File, Long>();
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public FileWatcher(Set<File> files) {
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if (files.size() == 0) {
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throw new IllegalArgumentException();
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}
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for (File f : files) {
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modified2.put(f, f.lastModified());
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}
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}
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@Override
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public String toString() {
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return modified2.toString();
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}
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public boolean hasChanged() {
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for (Map.Entry<File, Long> ent : modified2.entrySet()) {
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final long nowModified = ent.getKey().lastModified();
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if (ent.getValue().longValue() != nowModified) {
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return true;
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}
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}
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return false;
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}
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}
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