1 /*
2 * Copyright 2009 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.openehealth.ipf.commons.ihe.xds.core.validate;
17
18 import static org.apache.commons.lang3.Validate.notNull;
19 import static org.openehealth.ipf.commons.ihe.xds.core.validate.ValidationMessage.*;
20 import static org.openehealth.ipf.commons.ihe.xds.core.validate.ValidatorAssertions.*;
21
22 import java.util.regex.Pattern;
23
24
25 /**
26 * Validates for a positive number.
27 * @author Jens Riemschneider
28 */
29 public class PositiveNumberValidator implements ValueValidator {
30 private static final Pattern NUMBER_PATTERN = Pattern.compile("[0-9]+");
31
32 @Override
33 public void validate(String value) throws XDSMetaDataException {
34 notNull(value, "value cannot be null");
35 metaDataAssert(NUMBER_PATTERN.matcher(value).matches(),
36 INVALID_NUMBER_FORMAT, value);
37 }
38 }