/*************************************************************************
*
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: CallQueryWizard.java,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: vg $ $Date: 2006-04-07 12:48:29 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
package com.sun.star.wizards.query;

import com.sun.star.beans.PropertyValue;
import com.sun.star.uno.Type;
import com.sun.star.wizards.common.Properties;

/** This class capsulates the class, that implements the minimal component, a
 * factory for creating the service (<CODE>__getServiceFactory</CODE>) and a
 * method, that writes the information into the given registry key
 * (<CODE>__writeRegistryServiceInfo</CODE>).
 * @author Bertram Nolte
 */
public class CallQueryWizard {

    /** Gives a factory for creating the service.
     * This method is called by the <code>JavaLoader</code>
     * <p>
     * @return Returns a <code>XSingleServiceFactory</code> for creating the
     * component.
     * @see com.sun.star.comp.loader.JavaLoader#
     * @param stringImplementationName The implementation name of the component.
     * @param xmultiservicefactory The service manager, who gives access to every
     * known service.
     * @param xregistrykey Makes structural information (except regarding tree
     * structures) of a single
     * registry key accessible.
     */
    public static com.sun.star.lang.XSingleServiceFactory __getServiceFactory(String stringImplementationName, com.sun.star.lang.XMultiServiceFactory xMSF, com.sun.star.registry.XRegistryKey xregistrykey) {
        com.sun.star.lang.XSingleServiceFactory xsingleservicefactory = null;
        if (stringImplementationName.equals(QueryWizardImplementation.class.getName()))
            xsingleservicefactory = com.sun.star.comp.loader.FactoryHelper.getServiceFactory(QueryWizardImplementation.class, QueryWizardImplementation.__serviceName, xMSF, xregistrykey);
        return xsingleservicefactory;
    }

    /** Writes the service information into the given registry key.
     * This method is called by the <code>JavaLoader</code>.
     * @return returns true if the operation succeeded
     * @see com.sun.star.comp.loader.JavaLoader#
     * @param xregistrykey Makes structural information (except regarding tree
     * structures) of a single
     * registry key accessible.
     */
    public static boolean __writeRegistryServiceInfo(com.sun.star.registry.XRegistryKey xregistrykey) {
        return com.sun.star.comp.loader.FactoryHelper.writeRegistryServiceInfo(QueryWizardImplementation.class.getName(), QueryWizardImplementation.__serviceName, xregistrykey);
    }

    /** This class implements the component. At least the interfaces XServiceInfo,
     * XTypeProvider, and XInitialization should be provided by the service.
     */
    public static class QueryWizardImplementation implements com.sun.star.lang.XInitialization, com.sun.star.lang.XServiceInfo, com.sun.star.lang.XTypeProvider, com.sun.star.task.XJobExecutor {

        PropertyValue[] databaseproperties;
        /** The constructor of the inner class has a XMultiServiceFactory parameter.
         * @param xmultiservicefactoryInitialization A special service factory
         * could be introduced while initializing.
         */
        public QueryWizardImplementation(com.sun.star.lang.XMultiServiceFactory xmultiservicefactoryInitialization) {
            xmultiservicefactory = xmultiservicefactoryInitialization;
        }

        public void trigger(String sEvent) {
            try {
                com.sun.star.frame.XComponentLoader xcomponentloader = (com.sun.star.frame.XComponentLoader) com.sun.star.uno.UnoRuntime.queryInterface(com.sun.star.frame.XComponentLoader.class, xmultiservicefactory.createInstance("com.sun.star.frame.Desktop"));
                if (sEvent.compareTo("start") == 0) {
                    QueryWizard CurQueryWizard = new QueryWizard(xmultiservicefactory);
                    CurQueryWizard.startQueryWizard(xmultiservicefactory, databaseproperties);
                }
            } catch (Exception exception) {
                System.err.println(exception);
            }
        }

        /** The service name, that must be used to get an instance of this service.
         */
        private static final String __serviceName = "com.sun.star.wizards.query.CallQueryWizard";

        /** The service manager, that gives access to all registered services.
         */
        private com.sun.star.lang.XMultiServiceFactory xmultiservicefactory;

        /** This method is a member of the interface for initializing an object
         * directly after its creation.
         * @param object This array of arbitrary objects will be passed to the
         * component after its creation.
         * @throws Exception Every exception will not be handled, but will be
         * passed to the caller.
         */
        public void initialize(Object[] object) throws com.sun.star.uno.Exception {
            databaseproperties = Properties.convertToPropertyValueArray(object);
        }

        /** This method returns an array of all supported service names.
         * @return Array of supported service names.
         */
        public java.lang.String[] getSupportedServiceNames() {
            String[] stringSupportedServiceNames = new String[1];

            stringSupportedServiceNames[0] = __serviceName;

            return (stringSupportedServiceNames);
        }

        /** This method returns true, if the given service will be
         * supported by the component.
         * @param stringService Service name.
         * @return True, if the given service name will be supported.
         */
        public boolean supportsService(String stringService) {
            boolean booleanSupportsService = false;

            if (stringService.equals(__serviceName)) {
                booleanSupportsService = true;
            }
            return (booleanSupportsService);
        }

        /** This method returns an array of bytes, that can be used to
         * unambiguously distinguish between two sets of types, e.g.
         * to realise hashing functionality when the object is introspected.
         * Two objects that return the same ID also have to return
         * the same set of types in getTypes(). If an unique
         * implementation Id cannot be provided this method has to
         * return an empty sequence. Important: If the object
         * aggregates other objects the ID has to be unique for the
         * whole combination of objects.
         * @return Array of bytes, in order to distinguish between two sets.
         */
        public byte[] getImplementationId() {
            byte[] byteReturn = {
            };

            try {
                byteReturn = new String("" + this.hashCode()).getBytes();
            } catch (Exception exception) {
                System.err.println(exception);
            }

            return (byteReturn);
        }

        /** Return the class name of the component.
         * @return Class name of the component.
         */
        public java.lang.String getImplementationName() {
            return (QueryWizardImplementation.class.getName());
        }

        /** Provides a sequence of all types (usually interface types)
         * provided by the object.
         * @return Sequence of all types (usually interface types) provided by the
         * service.
         */
        public Type[] getTypes() {
            Type[] typeReturn = {
            };

            try {
                typeReturn = new Type[] { new Type(com.sun.star.task.XJobExecutor.class), new Type(com.sun.star.lang.XTypeProvider.class), new Type(com.sun.star.lang.XServiceInfo.class), new Type(com.sun.star.lang.XInitialization.class)};
            } catch (Exception exception) {
                System.err.println(exception);
            }

            return (typeReturn);
        }
    }
}
