/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package javax.xml.catalog;

import java.net.URI;

/**

 * Represents a delegatePublic entry.

 *

 * @since 9

 */

final class DelegatePublic extends AltCatalog {

    String publicIdStartString;

    /**

     * Construct a delegatePublic entry.

     * @param startString The publicIdStartString attribute.

     * @param catalog The catalog attribute.

     */

    public DelegatePublic(String base, String startString, String catalog) {

        super(CatalogEntryType.DELEGATEPUBLIC, base);

        setPublicIdStartString(startString);

        setCatalog(catalog);

    }

    /**

     * Set the publicIdStartString attribute.

     * @param startString The publicIdStartString attribute value.

     */

    public void setPublicIdStartString (String startString) {

        CatalogMessages.reportNPEOnNull("publicIdStartString", startString);

        this.publicIdStartString = Normalizer.normalizePublicId(startString);

        setMatchId(publicIdStartString);

    }

    /**

     * Get the publicIdStartString attribute.

     * @return The publicIdStartString

     */

    public String getPublicIdStartString () {

        return publicIdStartString;

    }

    /**

     * Try to match the specified publicId with the entry.

     *

     * @param publicId The publicId to be matched.

     * @return The URI of the catalog.

     */

    @Override

    public String match(String publicId) {

        return match(publicId, 0);

    }

    /**

     * Try to match the specified publicId with the entry. Return the match if it

     * is successful and the length of the publicIdStartString is longer than the

     * longest of any previous match.

     *

     * @param publicId The publicId to be matched.

     * @param currentMatch The length of publicIdStartString of previous match if any.

     * @return The replacement URI if the match is successful, null if not.

     */

    @Override

    public URI matchURI(String publicId, int currentMatch) {

        if (publicIdStartString.length() <= publicId.length() &&

                publicIdStartString.equals(publicId.substring(0, publicIdStartString.length()))) {

            if (currentMatch < publicIdStartString.length()) {

                return catalogURI;

            }

        }

        return null;

    }

}