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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.*;
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22 import java.util.regex.Pattern;
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29 public class HashValidator implements ValueValidator {
30 private static final Pattern HASH_PATTERN = Pattern.compile("[a-fA-F0-9]{40}");
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32 @Override
33 public void validate(String value) throws XDSMetaDataException {
34 notNull(value, "value cannot be null");
35 metaDataAssert(HASH_PATTERN.matcher(value).matches(),
36 INVALID_HASH_CODE, value);
37 }
38 }