package fr.ekito.example.web.propertyeditors; import org.joda.time.LocalDateTime; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import org.springframework.util.StringUtils; import java.beans.PropertyEditorSupport; import java.util.Date; /** * Custom PropertyEditorSupport to convert from String to * Date using JodaTime (http://www.joda.org/joda-time/). */ public class LocaleDateTimeEditor extends PropertyEditorSupport { private final DateTimeFormatter formatter; private final boolean allowEmpty; /** * Create a new LocaleDateTimeEditor instance, using the given format for * parsing and rendering. * <p/> * The "allowEmpty" parameter states if an empty String should be allowed * for parsing, i.e. get interpreted as null value. Otherwise, an * IllegalArgumentException gets thrown. * * @param dateFormat DateFormat to use for parsing and rendering * @param allowEmpty if empty strings should be allowed */ public LocaleDateTimeEditor(String dateFormat, boolean allowEmpty) { this.formatter = DateTimeFormat.forPattern(dateFormat); this.allowEmpty = allowEmpty; } /** * Format the YearMonthDay as String, using the specified format. * * @return DateTime formatted string */ public String getAsText() { Date value = (Date) getValue(); return value != null ? new LocalDateTime(value).toString(formatter) : ""; } /** * Parse the value from the given text, using the specified format. * * @param text the text to format * @throws IllegalArgumentException */ public void setAsText( String text ) throws IllegalArgumentException { if ( allowEmpty && !StringUtils.hasText(text) ) { // Treat empty String as null value. setValue(null); } else { setValue(new LocalDateTime(formatter.parseDateTime(text))); } } }