/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.scheduler;
import antlr.ANTLRException;
import java.util.Calendar;
import java.util.Collection;
import java.util.Vector;
/**
* {@link CronTab} list (logically OR-ed).
*
* @author Kohsuke Kawaguchi
*/
public final class CronTabList {
private final Vector<CronTab> tabs;
public CronTabList(Collection<CronTab> tabs) {
this.tabs = new Vector<CronTab>(tabs);
}
/**
* Returns true if the given calendar matches
*/
public synchronized boolean check(Calendar cal) {
for (CronTab tab : tabs) {
if(tab.check(cal))
return true;
}
return false;
}
/**
* Checks if this crontab entry looks reasonable,
* and if not, return an warning message.
*
* <p>
* The point of this method is to catch syntactically correct
* but semantically suspicious combinations, like
* "* 0 * * *"
*/
public String checkSanity() {
for (CronTab tab : tabs) {
String s = tab.checkSanity();
if(s!=null) return s;
}
return null;
}
public static CronTabList create(String format) throws ANTLRException {
return create(format,null);
}
public static CronTabList create(String format, Hash hash) throws ANTLRException {
Vector<CronTab> r = new Vector<CronTab>();
int lineNumber = 0;
for (String line : format.split("\\r?\\n")) {
lineNumber++;
line = line.trim();
if(line.length()==0 || line.startsWith("#"))
continue; // ignorable line
try {
r.add(new CronTab(line,lineNumber,hash));
} catch (ANTLRException e) {
throw new ANTLRException(Messages.CronTabList_InvalidInput(line,e.toString()),e);
}
}
return new CronTabList(r);
}
}