eu.europa.esig.dss.Digest.java Source code

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Here is the source code for eu.europa.esig.dss.Digest.java

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/**
 * DSS - Digital Signature Services
 * Copyright (C) 2015 European Commission, provided under the CEF programme
 *
 * This file is part of the "DSS - Digital Signature Services" project.
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package eu.europa.esig.dss;

import java.io.Serializable;
import java.util.Arrays;

import org.apache.commons.codec.binary.Base64;

/**
 * Container for a Digest and his algorithm
 */
@SuppressWarnings("serial")
public final class Digest implements Serializable {

    private DigestAlgorithm algorithm;

    private byte[] value;

    public Digest() {
    }

    public Digest(DigestAlgorithm algorithm, byte[] value) {
        this.algorithm = algorithm;
        this.value = value;
    }

    @Override
    public String toString() {
        return algorithm.getName() + ":" + Base64.encodeBase64String(value);
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((algorithm == null) ? 0 : algorithm.hashCode());
        result = prime * result + Arrays.hashCode(value);
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Digest other = (Digest) obj;
        if (algorithm != other.algorithm)
            return false;
        if (!Arrays.equals(value, other.value))
            return false;
        return true;
    }

    /**
     * @return the algorithm
     */
    public DigestAlgorithm getAlgorithm() {
        return algorithm;
    }

    /**
     * @param algorithm the algorithm to set
     */
    public void setAlgorithm(DigestAlgorithm algorithm) {
        this.algorithm = algorithm;
    }

    /**
     * @return the value
     */
    public byte[] getValue() {
        return value;
    }

    /**
     * @param value the value to set
     */
    public void setValue(byte[] value) {
        this.value = value;
    }

}