uk.ac.ebi.emma.validator.GeneValidator.java Source code

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Here is the source code for uk.ac.ebi.emma.validator.GeneValidator.java

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/*
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 /**
 * Copyright  2014 EMBL - European Bioinformatics Institute
 * 
 * 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 uk.ac.ebi.emma.validator;

import java.util.Iterator;
import java.util.Set;
import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;
import uk.ac.ebi.emma.entity.Gene;
import uk.ac.ebi.emma.entity.GeneSynonym;
import uk.ac.ebi.emma.util.Utils;

/**
 *
 * @author mrelac
 */
@Component
public class GeneValidator implements Validator {

    /**
     * Required for Validator implementation.
     * @param clazz caller's class
     * @return true if caller's class is supported; false otherwise.
     */
    @Override
    public boolean supports(Class clazz) {
        return Gene.class.isAssignableFrom(clazz);
    }

    /**
     * Required for Validator implementation.
     * @param target target object to be validated
     * @param errors errors object
     */
    @Override
    public void validate(Object target, Errors errors) {
        Gene gene = (Gene) target;

        // Centimorgan, if supplied, must be an integer.
        if (gene.getCentimorgan() != null) {
            Integer centimorgan = Utils.tryParseInt(gene.getCentimorgan());
            if (centimorgan == null) {
                errors.rejectValue("centimorgan", null, "Please enter an integer.");
            }
        }
        if ((gene.getName() != null) && (gene.getName().trim().length() == 0)) {
            errors.rejectValue("name", null, "Please provide a name.");
        }

        Utils.validateMaxFieldLengths(gene, "genes", errors);

        // Validate that GeneSynonym string data doesn't exceed maximum varchar lengths.
        if (gene.getSynonyms() != null) {
            Set<GeneSynonym> geneSynonyms = gene.getSynonyms();
            Iterator<GeneSynonym> synGenesIterator = geneSynonyms.iterator();
            int i = 0;
            while (synGenesIterator.hasNext()) {
                GeneSynonym geneSynonym = (GeneSynonym) synGenesIterator.next();
                errors.pushNestedPath("synonyms[" + Integer.toString(i) + "]");
                Utils.validateMaxFieldLengths(geneSynonym, "syn_genes", errors);
                errors.popNestedPath();
                i++;
            }
        }
    }
}