Java tutorial
/* * Copyright (C) 2012 granoeste@gmail.com (https://github.com/granoeste) * * 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 net.granoeste.validator; import java.util.Locale; import android.text.TextUtils; public class DateValidator extends BaseValidator { org.apache.commons.validator.DateValidator mValidator; Locale mLocale; String mDatePattern; boolean mStrict; public DateValidator(final String errorMessage) { super(errorMessage); mValidator = org.apache.commons.validator.DateValidator.getInstance(); mLocale = Locale.getDefault(); } public DateValidator(final String errorMessage, final String datePattern, final boolean strict) { super(errorMessage); mValidator = org.apache.commons.validator.DateValidator.getInstance(); mLocale = Locale.getDefault(); mDatePattern = datePattern; mStrict = strict; } @Override protected boolean condition(final String value) { if (TextUtils.isEmpty(value)) { return true; } if (mDatePattern != null) { return mValidator.isValid(value, mDatePattern, mStrict); } return mValidator.isValid(value, mLocale); } }