package org.apache.maven.archiva.database.constraints;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.archiva.database.Constraint;

import java.util.Calendar;
import java.util.Date;

/**
 * Constraint for artifacts that are of a certain age (in days) or older. 
 *
 * @version $Id$
 */
public class OlderArtifactsByAgeConstraint
    extends AbstractDeclarativeConstraint
    implements Constraint
{
    private String whereClause;

    public OlderArtifactsByAgeConstraint( int daysOld )
    {
        Calendar cal = Calendar.getInstance();
        cal.add( Calendar.DAY_OF_MONTH, ( -1 ) * daysOld );
        Date cutoffDate = cal.getTime();

        whereClause = "this.lastModified <= cutoffDate";
        declImports = new String[] { "import java.util.Date" };
        declParams = new String[] { "java.util.Date cutoffDate" };
        params = new Object[] { cutoffDate };
    }

    public String getSortColumn()
    {
        return "groupId";
    }

    public String getWhereCondition()
    {
        return whereClause;
    }
}
