java/cewolf-1.0/src/main/java/de/laures/cewolf/taglib/util/DatasetProductionTimeStore.java
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/java/cewolf-1.0/src/main/java/de/laures/cewolf/taglib/util/DatasetProductionTimeStore.java Sat Feb 28 21:31:02 2009 +0100
1.3 @@ -0,0 +1,77 @@
1.4 +/* ================================================================
1.5 + * Cewolf : Chart enabling Web Objects Framework
1.6 + * ================================================================
1.7 + *
1.8 + * Project Info: http://cewolf.sourceforge.net
1.9 + * Project Lead: Guido Laures (guido@laures.de);
1.10 + *
1.11 + * (C) Copyright 2002, by Guido Laures
1.12 + *
1.13 + * This library is free software; you can redistribute it and/or modify it under the terms
1.14 + * of the GNU Lesser General Public License as published by the Free Software Foundation;
1.15 + * either version 2.1 of the License, or (at your option) any later version.
1.16 + *
1.17 + * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
1.18 + * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
1.19 + * See the GNU Lesser General Public License for more details.
1.20 + *
1.21 + * You should have received a copy of the GNU Lesser General Public License along with this
1.22 + * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
1.23 + * Boston, MA 02111-1307, USA.
1.24 + */
1.25 +
1.26 +package de.laures.cewolf.taglib.util;
1.27 +
1.28 +import java.util.Date;
1.29 +import java.util.Hashtable;
1.30 +import java.util.Iterator;
1.31 +import java.util.Map;
1.32 +
1.33 +import org.apache.commons.logging.Log;
1.34 +import org.apache.commons.logging.LogFactory;
1.35 +
1.36 +/**
1.37 + * @author glaures
1.38 + */
1.39 +public class DatasetProductionTimeStore extends Hashtable {
1.40 +
1.41 + private static final DatasetProductionTimeStore instance = new DatasetProductionTimeStore();
1.42 + private static final Log log = LogFactory.getLog(DatasetProductionTimeStore.class);
1.43 + public static final DatasetProductionTimeStore getInstance() {
1.44 + return instance;
1.45 + }
1.46 +
1.47 + private DatasetProductionTimeStore() {
1.48 + }
1.49 +
1.50 + public boolean containsEntry(String producerId, Map params) {
1.51 + return containsKey(new DatasetProductionTimesKey(producerId, params));
1.52 + }
1.53 +
1.54 + public void addEntry(String producerId, Map params, Date produceTime) {
1.55 + log.debug("add entry: " + producerId);
1.56 + put(new DatasetProductionTimesKey(producerId, params), produceTime);
1.57 + }
1.58 +
1.59 + public void removeEntry(String producerId, Map params) {
1.60 + log.debug("remove entry: " + producerId);
1.61 +
1.62 + remove(new DatasetProductionTimesKey(producerId, params));
1.63 + }
1.64 +
1.65 + public Date getProductionTime(String producerId, Map params) {
1.66 + return (Date) get(new DatasetProductionTimesKey(producerId, params));
1.67 + }
1.68 +
1.69 + public String paramsToString(Map params){
1.70 + Iterator it = params.keySet().iterator();
1.71 + StringBuffer buf = new StringBuffer("[");
1.72 + while(it.hasNext()){
1.73 + String key = (String)it.next();
1.74 + buf.append(key + ":" + params.get(key));
1.75 + }
1.76 + buf.append("]");
1.77 + return buf.toString();
1.78 + }
1.79 +
1.80 +}