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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.property;

import java.util.Locale;


/**
 * This interface represents a property descriptor. A descriptor
 * includes information that describe a property.
 * 
 * @version $Revision$, $Date$
 */
public class Descriptor implements IDescriptor {

    protected String mSyntax = null;
    protected String mConstraint = null;
    protected String mDescription = null;
    protected String mDef = null;

    /**
     * Constructs a descriptor.
     *
     * @param syntax syntax
     * @param constraint constraint
     * @param defValue default value
     * @param description description
     */
    public Descriptor(String syntax, String constraint, String defValue, String description) {
        mSyntax = syntax;
        mConstraint = constraint;
        mDef = defValue;
        mDescription = description;
    }

    /**
     * Returns the syntax of the property.
     *
     * @return syntax
     */
    public String getSyntax() {
        return mSyntax;
    }
 
    /**
     * Returns the default value of the property.
     *
     * @return default value
     */
    public String getDefaultValue() {
        return mDef;
    }

    /**
     * Constraint for the given syntax. For example,
     * <p>
     *   - number(1-5): 1-5 is the constraint, and it indicates
     *     that the number must be in the range of 1 to 5.
     * <p>
     *   - choice(cert,crl): cert,crl is the constraint
     *     for choice
     * <p>
     * If null, no constraint shall be enforced.
     * <p>
     * @return constraint
     */
    public String getConstraint() {
        return mConstraint;
    }

    /**
     * Retrieves the description of the property.
     * @param locale user locale
     * @return description
     */
    public String getDescription(Locale locale) {
        return mDescription;
    }
}