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eFaps is a framework used to map objects with or without attached files to a relational database and optional file systems (only for attaches files). Configurable access control can be provided down to object and attribute level depending on implementation and use case. Depending on requirements, events (like triggers) allow to implement business logic and to separate business logic from user interface. The framework includes integrations (e.g. webdav, full text search) and a web application as 'simple' configurable user interface. Some best practises, example web application modules (e.g. team work module) support administrators and implementers using this framework.

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/*
 * Copyright 2003 - 2011 The eFaps Team
 *
 * Licensed 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.
 *
 * Revision:        $Rev: 6210 $
 * Last Changed:    $Date: 2011-02-18 16:02:56 -0500 (Fri, 18 Feb 2011) $
 * Last Changed By: $Author: [email protected] $
 */

package org.efaps.update.schema.program;
import java.net.URL;
import java.util.HashSet;
import java.util.Set;

import org.efaps.update.schema.program.jasperreport.JasperReportImporter;
import org.efaps.update.util.InstallationException;


/**
 * TODO comment!
 *
 * @author The eFaps Team
 * @version $Id: JasperReportUpdate.java 6210 2011-02-18 21:02:56Z [email protected] $
 */
public class JasperReportUpdate extends AbstractSourceUpdate
{

    /**
     * Link from JavaScript extending JavaScript.
     */
    private static final Link LINK2SUPER = new Link("Admin_Program_JasperReport2JasperReport", "From",
                                                    "Admin_Program_JasperReport", "To");

    /**
     * Set off all links for this JasperReportUpdate.
     */
    private static final Set ALLLINKS = new HashSet();
    static {
        JasperReportUpdate.ALLLINKS.add(JasperReportUpdate.LINK2SUPER);
    }

    /**
     * @param _url URL of the file
     *
     */
    public JasperReportUpdate(final URL _url)
    {
        super(_url, "Admin_Program_JasperReport", JasperReportUpdate.ALLLINKS);
    }

    /**
     * Read the file.
     *
     * @param _url URL to the file
     * @return JavaScriptUpdate
     */
    public static JasperReportUpdate readFile(final URL _url)
    {
        final JasperReportUpdate ret = new JasperReportUpdate(_url);
        final JasperReportDefinition definition = ret.new JasperReportDefinition(_url);
        ret.addDefinition(definition);
        return ret;
    }

    /**
     * Definition for the JasperReport.
     *
     */
    public class JasperReportDefinition extends SourceDefinition
    {

        /**
         * Importer for the JasperReport.
         */
        private JasperReportImporter jrxml = null;

        /**
         * Construtor.
         *
         * @param _url URL to the JasperReport file
         *
         */
        public JasperReportDefinition(final URL _url)
        {
            super(_url);
        }

        /**
         * Search the instance.
         *
         * @throws InstallationException if the source code for the Jasper
         *                               Report could not be read or file could
         *                               not be accessed because of the wrong
         *                               URL
         */
        @Override
        protected void searchInstance()
            throws InstallationException
        {
            if (this.jrxml == null) {
                this.jrxml = new JasperReportImporter(getUrl());
            }
            setName(this.jrxml.getProgramName());

            if (this.jrxml.getEFapsUUID() != null) {
                addValue("UUID", this.jrxml.getEFapsUUID().toString());
            }

//            if (this.jrxml.getExtendSource() != null) {
//                addLink(JasperReportUpdate.LINK2SUPER, new LinkInstance(this.jrxml.getExtendSource()));
//            }

            if (this.instance == null) {
                this.instance = this.jrxml.searchInstance();
            }
        }

        /**
         * {@inheritDoc}
         */
        @Override
        protected String getRevision()
            throws InstallationException
        {
            if (this.jrxml == null) {
                this.jrxml = new JasperReportImporter(getUrl());
            }
            return this.jrxml.getRevision();
        }
    }

}