Java tutorial
package org.kuali.student.ap.coursesearch.util; /** * Copyright 2005-2012 The Kuali Foundation * * Licensed under the Educational Community License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.opensource.org/licenses/ecl2.php * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import org.apache.commons.lang.StringUtils; import org.kuali.student.r2.common.util.date.KSDateTimeFormatter; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.beans.PropertyEditorSupport; import java.io.Serializable; import java.text.DateFormat; import java.util.*; public class TimestampPropertyEditor extends PropertyEditorSupport implements Serializable { private final static Logger logger = LoggerFactory.getLogger(TimestampPropertyEditor.class); private List<String> styleClasses; private String simpleDateFormat = ""; private String emptyDateText = ""; public TimestampPropertyEditor() { styleClasses = new ArrayList<String>(); } @Override public void setValue(Object value) { if (value == null) { logger.error("Date was null."); return; } if (!(value instanceof Date)) { logger.error("Value was type [{}] instead of Date.", value.getClass()); return; } super.setValue(value); } @Override public String getAsText() { Date date = (Date) super.getValue(); if (null == date) { return this.emptyDateText; } if (this.simpleDateFormat.length() == 0) { return DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(date); } else { KSDateTimeFormatter format = new KSDateTimeFormatter(simpleDateFormat); return format.format(date); } } public void setSimpleDateFormat(String simpleDateFormat) { this.simpleDateFormat = simpleDateFormat; } public String getSimpleDateFormat() { return this.simpleDateFormat; } public List<String> getStyleClasses() { return this.styleClasses; } public void setStyleClasses(List<String> styleClasses) { this.styleClasses = styleClasses; } public String getStyleClassesAsString() { if (styleClasses != null) { return StringUtils.join(styleClasses, " "); } return ""; } public String getEmptyDateText() { return emptyDateText; } public void setEmptyDateText(String emptyDateText) { this.emptyDateText = emptyDateText; } }