| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.tajo.validation; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.apache.commons.lang.math.NumberUtils; |
| |
| public class MaxValidator extends AbstractValidator { |
| |
| private final String maxValue; |
| |
| public MaxValidator(String maxValue) { |
| if (!NumberUtils.isNumber(maxValue)) { |
| throw new IllegalArgumentException(maxValue + " is not a Java number."); |
| } |
| |
| this.maxValue = maxValue; |
| } |
| |
| @Override |
| protected <T> String getErrorMessage(T object) { |
| return object + " should be less than " + maxValue; |
| } |
| |
| @Override |
| protected <T> boolean validateInternal(T object) { |
| boolean result = false; |
| |
| if (object != null) { |
| if ((object instanceof Byte) || (object instanceof Short) || (object instanceof Integer)) { |
| Integer objInteger = Integer.decode(object.toString()); |
| Integer maxInteger = Integer.decode(maxValue); |
| result = objInteger.compareTo(maxInteger) <= 0; |
| } else if (object instanceof Long) { |
| Long objLong = Long.decode(object.toString()); |
| Long maxLong = Long.decode(maxValue); |
| result = objLong.compareTo(maxLong) <= 0; |
| } else if ((object instanceof Float) || (object instanceof Double)) { |
| Double objDouble = Double.valueOf(object.toString()); |
| Double maxDouble = Double.valueOf(maxValue); |
| result = objDouble.compareTo(maxDouble) <= 0; |
| } else if (object instanceof BigInteger) { |
| BigInteger objInteger = (BigInteger) object; |
| BigInteger maxInteger = new BigInteger(maxValue); |
| result = objInteger.compareTo(maxInteger) <= 0; |
| } else if (object instanceof BigDecimal) { |
| BigDecimal objDecimal = (BigDecimal) object; |
| BigDecimal maxDecimal = new BigDecimal(maxValue); |
| result = objDecimal.compareTo(maxDecimal) <= 0; |
| } |
| } else { |
| result = true; |
| } |
| |
| return result; |
| } |
| |
| @Override |
| protected Collection<Validator> getDependantValidators() { |
| return Collections.emptySet(); |
| } |
| |
| } |