/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/


package helper;

import com.sun.star.comp.helper.Bootstrap;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XComponentContext;
import java.util.Hashtable;
import lib.TestParameters;
import util.PropertyName;
import util.utils;

/**
 * Bootstrap UNO from a Java environment.
 * Needed parameters:
 * <ol>
 *  <li>
 *      <ul>
 *          <li>UNORC - complete path to the unorc file</li>
 *      </ul>
 *  </li>
 *  <li>
 *      <ul>
 *          <li>AppExecutionCommand - path to the soffice executable</li>
 *          <li>OS - the operating system in case it's Windows, because the
 *              unorc is called uno.ini</li>
 *      </ul>
 *  </li>
 * </ol>
 */
public class UnoProvider implements AppProvider {
    
    public UnoProvider(){
        
    }

    /**
     * Close existing office: calls disposeManager()
     * @param param The test parameters.
     * @param closeIfPossible Not needed, since UNO is bootstrapped by this
     * class in every case.
     * @return True, if bootstrapping worked.
     */
    public boolean closeExistingOffice(TestParameters param,
                                                    boolean closeIfPossible) {
        return disposeManager(param);
    }

    /**
     * Dispose the UNO environment: just clears the bootstrapped
     * MultiServiceFactory
     * @param param The test parameters.
     * @return True, if bootstrapping worked.
     */
    public boolean disposeManager(TestParameters param) {
        XMultiServiceFactory xMSF =
                    (XMultiServiceFactory)param.remove("ServiceManager");
        xMSF = null;
        System.gc();
        try {
            Thread.sleep(1000);
        }
        catch(java.lang.InterruptedException e) {}
        return true;
    }

    /**
     * Bootstrap UNO and return the created MultiServiceFactory.
     * @param param The test parameters.
     * @return A created MultiServiceFactory.
     */
    public Object getManager(TestParameters param) {
        XMultiServiceFactory xMSF = (XMultiServiceFactory)param.getMSF();
        if (xMSF == null) {
            // bootstrap UNO.
            String unorcName = getUnorcName(param);
            Hashtable env = new Hashtable();
            env.put("SYSBINDIR", getSysBinDir(param));

            XComponentContext xContext = null;
            try {
                xContext = Bootstrap.defaultBootstrap_InitialComponentContext(
                                                                 unorcName, env);
            }
            catch(Exception e) {
                e.printStackTrace();
                System.out.println("Could not get XComponentContext. Maybe you must add program folder to LD_LIBRARY_PATH");
                return null;
            }
            XMultiComponentFactory xMCF = xContext.getServiceManager();
            xMSF = (XMultiServiceFactory)UnoRuntime.queryInterface(
                                XMultiServiceFactory.class, xMCF);
        }
        return xMSF;
    }

    private String getUnorcName(TestParameters param) {
        String unorcName = (String)param.get("UNORC");
        if (unorcName == null) {
            String office = (String)param.get("AppExecutionCommand");
            // determine unorc name: unorc or uno.ini on windows
            String opSystem = (String)param.get(PropertyName.OPERATING_SYSTEM);
            if ( opSystem != null && opSystem.equalsIgnoreCase(PropertyName.WNTMSCI)) {
                unorcName = "uno.ini";
            }
            else {
                unorcName = "unorc";
            }
            if (office == null)
                return null;
            // use '/', because this will be a URL in any case.
            unorcName = office.substring(0, office.indexOf("program")+7) +
                        "/" + unorcName;
        }
        unorcName = utils.getFullURL(unorcName);
        if (param.DebugIsActive) {
            System.out.println("UnoUcr: " + unorcName);
        }
        return unorcName;
    }

    private String getSysBinDir(TestParameters param) {
        String base = (String)param.get("AppExecutionCommand");
        if (base == null)
            base = (String)param.get("UNORC");

        if (base == null)
            return null;

        String sysbindir = base.substring(0,
                                base.indexOf("program")+7);

        sysbindir = utils.getFullURL(sysbindir);
        if (param.DebugIsActive) {
            System.out.println("SysBinDir: " + sysbindir);
        }
        return sysbindir;
    }
}
