com.hazelcast.query.impl.DateHelper Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2015, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
package com.hazelcast.query.impl;
import java.sql.Time;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
final class DateHelper {
static final String TIMESTAMP_FORMAT = "yyyy-MM-dd HH:mm:ss.SSS";
static final String DATE_FORMAT = "EEE MMM dd HH:mm:ss zzz yyyy";
static final String SQL_DATE_FORMAT = "yyyy-MM-dd";
static final String SQL_TIME_FORMAT = "HH:mm:ss";
private DateHelper() {
}
static Date parseDate(final String value) {
try {
return getUtilDateFormat().parse(value);
} catch (ParseException e) {
return throwRuntimeParseException(value, e, DATE_FORMAT);
}
}
static Timestamp parseTimeStamp(final String value) {
try {
return new Timestamp(getTimestampFormat().parse(value).getTime());
} catch (ParseException e) {
return throwRuntimeParseException(value, e, TIMESTAMP_FORMAT);
}
}
static java.sql.Date parseSqlDate(final String value) {
try {
return new java.sql.Date(getSqlDateFormat().parse(value).getTime());
} catch (ParseException e) {
return throwRuntimeParseException(value, e, SQL_DATE_FORMAT);
}
}
static java.sql.Time parseSqlTime(final String value) {
try {
return new Time(getSqlTimeFormat().parse(value).getTime());
} catch (ParseException e) {
return throwRuntimeParseException(value, e, SQL_TIME_FORMAT);
}
}
private static T throwRuntimeParseException(String value, Exception e, String... legalFormats) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < legalFormats.length; i++) {
sb.append("'").append(legalFormats[i]).append("'");
if (i < legalFormats.length - 2) {
sb.append(", ");
}
}
throw new RuntimeException("Unable to parse date from value: '" + value
+ "' ! Valid format are: " + sb.toString() + ".", e);
}
private static DateFormat getTimestampFormat() {
return new SimpleDateFormat(TIMESTAMP_FORMAT, Locale.US);
}
private static DateFormat getSqlDateFormat() {
return new SimpleDateFormat(SQL_DATE_FORMAT, Locale.US);
}
private static DateFormat getUtilDateFormat() {
return new SimpleDateFormat(DATE_FORMAT, Locale.US);
}
private static DateFormat getSqlTimeFormat() {
return new SimpleDateFormat(SQL_TIME_FORMAT, Locale.US);
}
}