org.rhq.plugins.apache.util.ConfigurationTimestamp Maven / Gradle / Ivy
/*
* RHQ Management Platform
* Copyright (C) 2005-2009 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation, and/or the GNU Lesser
* General Public License, version 2.1, also as published by the Free
* Software Foundation.
*
* This program is 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 and the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.rhq.plugins.apache.util;
import java.io.File;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Encapsulates the logic to check whether any of the provided files has changed.
*
* @author Lukas Krejci
*/
public class ConfigurationTimestamp {
private Map lastModifiedTimes;
public ConfigurationTimestamp() {
lastModifiedTimes = new HashMap();
}
public ConfigurationTimestamp(List files) {
this();
for(File f : files) {
lastModifiedTimes.put(f.getAbsolutePath(), f.lastModified());
}
}
@Override
public boolean equals(Object o) {
if (!(o instanceof ConfigurationTimestamp)) {
return false;
}
ConfigurationTimestamp other = (ConfigurationTimestamp)o;
Map oLastModified = other.lastModifiedTimes;
if (lastModifiedTimes.size() != oLastModified.size()) return false;
for(Map.Entry entry : lastModifiedTimes.entrySet()) {
Long otherModified = oLastModified.get(entry.getKey());
if (otherModified == null) return false;
if (!entry.getValue().equals(otherModified)) return false;
}
return true;
}
}