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DSS Service Provider Interface contains the contract interface shared between the applet and the server-side of DSS.
There is a newer version: 5.4.d4j.1
/**
 * 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.x509;

import eu.europa.esig.dss.DigestAlgorithm;

/**
 * Represents the value of a SignaturePolicy
 *
 *
 */
public class SignaturePolicy {

    /**
     * The validation process accepts no policy. No particular treatment is done.
     */
    public static final String NO_POLICY = "NO_POLICY";

    /**
     * The validation process accepts any policy. The used policy is only showed, no particular treatment is done.
     */

    public static final String IMPLICIT_POLICY = "IMPLICIT_POLICY";

    private String identifier;
    private DigestAlgorithm digestAlgorithm;
    private String digestValue;

    /**
     * Two qualifiers for the signature policy have been identified so far:
     * • a URL where a copy of the signature policy MAY be obtained;
     * • a user notice that should be displayed when the signature is verified.
     */
    private String url;
    private String notice;

    /**
     * The default constructor for SignaturePolicy. It represents the implied policy.
     */
    public SignaturePolicy() {
        this.identifier = IMPLICIT_POLICY;
    }

    /**
     * The default constructor for SignaturePolicy.
     *
     * @param identifier
     */
    public SignaturePolicy(final String identifier) {
        this.identifier = identifier;
    }

    /**
     * @return the identifier
     */
    public String getIdentifier() {
        return identifier;
    }

    public DigestAlgorithm getDigestAlgorithm() {
        return digestAlgorithm;
    }

    public void setDigestAlgorithm(final DigestAlgorithm digestAlgorithm) {
        this.digestAlgorithm = digestAlgorithm;
    }

    public String getDigestValue() {
        return digestValue;
    }

    public void setDigestValue(final String digestValue) {
        this.digestValue = digestValue;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(final String url) {
        this.url = url;
    }

    public String getNotice() {
        return notice;
    }

    public void setNotice(final String notice) {
        this.notice = notice;
    }

    @Override
    public String toString() {

        return "SignaturePolicy{" +
              "identifier='" + identifier + '\'' +
              ", digestAlgorithm=" + digestAlgorithm +
              ", digestValue='" + digestValue + '\'' +
              ", url='" + url + '\'' +
              ", notice='" + notice + '\'' +
              '}';
    }
}