ddf.catalog.validation.impl.violation.ValidationViolationImpl.java Source code

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Here is the source code for ddf.catalog.validation.impl.violation.ValidationViolationImpl.java

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/**
 * Copyright (c) Codice Foundation
 * <p>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.catalog.validation.impl.violation;

import java.util.Collections;
import java.util.Set;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;

import com.google.common.base.Preconditions;

import ddf.catalog.validation.violation.ValidationViolation;

public class ValidationViolationImpl implements ValidationViolation {
    private final Set<String> attributes;

    private final String message;

    private final Severity severity;

    /**
     * Creates a {@code ValidationViolationImpl} with the specified attribute(s), message, and
     * severity.
     *
     * @param attributes the attribute(s) involved in the violation, cannot be null or empty
     * @param message    the message describing the violation, cannot be null, empty, or blank
     * @param severity   the severity of the violation, cannot be null
     * @throws IllegalArgumentException if any of the parameters are null, empty, or blank
     */
    public ValidationViolationImpl(final Set<String> attributes, final String message, final Severity severity) {
        Preconditions.checkArgument(CollectionUtils.isNotEmpty(attributes), "Must specify at least one attribute.");
        Preconditions.checkArgument(StringUtils.isNotBlank(message),
                "The message cannot be null, empty, or blank.");
        Preconditions.checkArgument(severity != null, "The severity cannot be null.");

        this.attributes = Collections.unmodifiableSet(attributes);
        this.message = message;
        this.severity = severity;
    }

    @Override
    public Set<String> getAttributes() {
        return attributes;
    }

    @Override
    public Severity getSeverity() {
        return severity;
    }

    @Override
    public String getMessage() {
        return message;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }

        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        ValidationViolationImpl that = (ValidationViolationImpl) o;

        return new EqualsBuilder().append(attributes, that.attributes).append(message, that.message)
                .append(severity, that.severity).isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder(17, 37).append(attributes).append(message).append(severity).toHashCode();
    }
}