SampleValidator.java

package net.sourceforge.solexatools.validation;

import net.sourceforge.seqware.common.business.SampleService;
import net.sourceforge.seqware.common.model.Sample;

import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * <p>
 * SampleValidator class.
 * </p>
 * 
 * @author boconnor
 * @version $Id: $Id
 */
public class SampleValidator implements Validator {
    private SampleService sampleService;

    /**
     * <p>
     * Constructor for SampleValidator.
     * </p>
     */
    public SampleValidator() {
        super();
    }

    /**
     * {@inheritDoc}
     * 
     * @param clazz
     * @return
     */
    @Override
    public boolean supports(Class clazz) {
        return Sample.class.equals(clazz);
    }

    /**
     * {@inheritDoc}
     * 
     * Validates the specified Object.
     * 
     * @param obj
     * @param errors
     */
    @Override
    public void validate(Object obj, Errors errors) {
        Sample sample = (Sample) obj;
        ValidationUtils.rejectIfEmpty(errors, "title", "sample.required.title");
        // this.validateTitle(sample.getTitle(), errors);

        ValidationUtils.rejectIfEmpty(errors, "organismId", "sample.required.organism");
        this.validateExpectedNumberRuns(sample, errors);
        this.validateExpectedNumberReads(sample, errors);
    }

    /**
     * <p>
     * validateExpectedNumberRuns.
     * </p>
     * 
     * @param sample
     *            a {@link net.sourceforge.seqware.common.model.Sample} object.
     * @param errors
     *            a {@link org.springframework.validation.Errors} object.
     */
    public void validateExpectedNumberRuns(Sample sample, Errors errors) {
        if (errors.getFieldError("strExpectedNumRuns") == null) {
            boolean isHasError = false;
            String strRuns = sample.getStrExpectedNumRuns();
            if (strRuns != null && !strRuns.isEmpty()) {
                Integer runs = null;
                try {
                    runs = Integer.parseInt(strRuns);
                } catch (Exception e) {
                    isHasError = true;
                    errors.reject("sample.error.type.expectedRuns");
                }
                if (!isHasError) {
                    if (runs < 1) {
                        isHasError = true;
                        errors.reject("sample.error.value.expectedRuns");
                    }
                }
                if (!isHasError) {
                    sample.setExpectedNumRuns(runs);
                }
            }
        }
    }

    /**
     * <p>
     * validateExpectedNumberReads.
     * </p>
     * 
     * @param sample
     *            a {@link net.sourceforge.seqware.common.model.Sample} object.
     * @param errors
     *            a {@link org.springframework.validation.Errors} object.
     */
    public void validateExpectedNumberReads(Sample sample, Errors errors) {
        if (errors.getFieldError("strExpectedNumReads") == null) {
            boolean isHasError = false;
            String strReads = sample.getStrExpectedNumReads();
            if (strReads != null && !strReads.isEmpty()) {
                Integer reads = null;
                try {
                    reads = Integer.parseInt(strReads);
                } catch (Exception e) {
                    isHasError = true;
                    errors.reject("sample.error.type.expectedReds");
                }
                if (!isHasError) {
                    if (reads < 1) {
                        isHasError = true;
                        errors.reject("sample.error.value.expectedReds");
                    }
                }
                if (!isHasError) {
                    sample.setExpectedNumReads(reads);
                }
            }
        }
    }

    /**
     * Determines if the sample's email address and confirm email address match.
     * 
     * @param errors
     *            Errors object for validation errors
     * @param title
     *            a {@link java.lang.String} object.
     */
    public void validateTitle(String title, Errors errors) {

        if (errors.getFieldError("title") == null) {
            /* The individual fields have passed validation. */
            if (this.getSampleService().findByTitle(title) != null) {
                errors.reject("error.match.title");
            }
        }
    }

    /**
     * <p>
     * Getter for the field <code>sampleService</code>.
     * </p>
     * 
     * @return a {@link net.sourceforge.seqware.common.business.SampleService} object.
     */
    public SampleService getSampleService() {
        return sampleService;
    }

    /**
     * <p>
     * Setter for the field <code>sampleService</code>.
     * </p>
     * 
     * @param sampleService
     *            a {@link net.sourceforge.seqware.common.business.SampleService} object.
     */
    public void setSampleService(SampleService sampleService) {
        this.sampleService = sampleService;
    }
}

// ex:sw=4:ts=4: