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 * 
 * 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
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package ifc.script.framework;

import java.io.File;
import drafts.com.sun.star.script.framework.storage.XScriptStorageManager;

import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.uno.XInterface;
import com.sun.star.ucb.XSimpleFileAccess;
import com.sun.star.beans.XPropertySet;
import com.sun.star.uno.XComponentContext;

public class ScriptingUtils {
    private XScriptStorageManager storageManager;
    private static ScriptingUtils utils;

    private ScriptingUtils() {
    }

    public static ScriptingUtils getDefault() {
        if (utils == null) {
            synchronized (ScriptingUtils.class) {
                if (utils == null)
                    utils = new ScriptingUtils();
            }
        }
        return utils;
    }

    public static void cleanUserDir() {
    }

    public static void cleanShareDir() {
    }

    public Object getScriptStorage(XMultiServiceFactory xMSF, String location) {
        int id = getStorageId(xMSF, location);
        return storageManager.getScriptStorage(id);
    }

    public int getStorageId(XMultiServiceFactory xMSF, String location) {

        if (location.equals("share"))
            return 0;

        if (location.equals("user"))
            return 1;

        XSimpleFileAccess access = null;
        String uri = util.utils.getFullTestURL(location);

        if (storageManager == null) {
            try {
                XPropertySet xProp = (XPropertySet)UnoRuntime.queryInterface(
                    XPropertySet.class, xMSF);

                XComponentContext xContext = (XComponentContext)
                    UnoRuntime.queryInterface(XComponentContext.class,
                    xProp.getPropertyValue("DefaultContext"));

                XInterface ifc = (XInterface)
                    xContext.getValueByName("/singletons/drafts.com.sun.star." +
                    "script.framework.storage.theScriptStorageManager");

                storageManager = (XScriptStorageManager)
                    UnoRuntime.queryInterface(XScriptStorageManager.class, ifc);
            }
            catch( Exception e ) {
                return -1;
            }
        }

        access = getXSimpleFileAccess(xMSF);
        if (access == null)
            return -1;

        int id = storageManager.createScriptStorageWithURI(access, uri);

        return id;
    }

    public XSimpleFileAccess getXSimpleFileAccess(XMultiServiceFactory xMSF) {
        XSimpleFileAccess access = null;

        try {
            Object fa =
                xMSF.createInstance("com.sun.star.ucb.SimpleFileAccess");

            access = (XSimpleFileAccess)
                UnoRuntime.queryInterface(XSimpleFileAccess.class, fa);
        }
        catch (com.sun.star.uno.Exception e) {
            return null;
        }
        return access;
    }
}