NormalizingFilter.java

/*
 * ====================
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 * Copyright 2008-2009 Sun Microsystems, Inc. All rights reserved.
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 * The contents of this file are subject to the terms of the Common Development
 * and Distribution License("CDDL") (the "License").  You may not use this file
 * except in compliance with the License.
 *
 * You can obtain a copy of the License at
 * http://opensource.org/licenses/cddl1.php
 * See the License for the specific language governing permissions and limitations
 * under the License.
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 * When distributing the Covered Code, include this CDDL Header Notice in each file
 * and include the License file at http://opensource.org/licenses/cddl1.php.
 * If applicable, add the following below this CDDL Header, with the fields
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 * ====================
 * Portions Copyrighted 2013-2014 Evolveum
 * Portions Copyrighted 2014 ForgeRock AS. 
 */
package org.identityconnectors.framework.impl.api.local.operations;

import org.identityconnectors.framework.common.objects.ConnectorObject;
import org.identityconnectors.framework.common.objects.filter.ExternallyChainedFilter;
import org.identityconnectors.framework.common.objects.filter.Filter;
import org.identityconnectors.framework.common.objects.filter.FilterVisitor;

/**
 *  Proxy the filter to filter based on object normalized version.
 *  Similar to ObjectNormalizerFacade.NormalizeFilter,
 *  but this one DOES NOT expect that it gets object to be accepted/rejected
 *  in normalized form - it normalizes the object just before deciding.
 *  Currently used for case insensitive filtering.
 *
 * @author mederly
 */
public class NormalizingFilter extends ExternallyChainedFilter {

    private ObjectNormalizerFacade normalizerFacade;

    public NormalizingFilter(Filter filter, ObjectNormalizerFacade normalizerFacade) {
        super(normalizerFacade.normalizeFilter(filter));
        this.normalizerFacade = normalizerFacade;
    }

    /**
     * Return the decision based on normalized version of the object.
     *
     * @param obj
     *            - The specified ConnectorObject.
     * @return
     */
    public boolean accept(ConnectorObject obj) {
        return getFilter().accept(normalizerFacade.normalizeObject(obj));
    }

    public <R, P> R accept(FilterVisitor<R, P> v, P p) {
        return v.visitExtendedFilter(p, this);
    }

    @Override
    public String toString() {
        StringBuilder bld = new StringBuilder();
        bld.append("NORMALIZE USING ").append(normalizerFacade).append(": ").append(getFilter());
        return bld.toString();
    }

}