/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: JavaSystemBackend.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
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************************************************************************/
package org.openoffice;
import com.sun.star.comp.loader.FactoryHelper;
import com.sun.star.configuration.backend.PropertyInfo;
import com.sun.star.configuration.backend.XLayer;
import com.sun.star.configuration.backend.XLayerContentDescriber;
import com.sun.star.configuration.backend.XLayerHandler;
import com.sun.star.configuration.backend.XSingleLayerStratum;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XServiceInfo;
import com.sun.star.lang.XSingleServiceFactory;
import com.sun.star.lang.XTypeProvider;
import com.sun.star.registry.XRegistryKey;
import com.sun.star.uno.Type;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XInterface;
import com.sun.star.util.XStringSubstitution;
import com.sun.star.util.XTimeStamped;
/**
*
* @author sw93809
*/
public class JavaSystemBackend implements XSingleLayerStratum, XTypeProvider,
XServiceInfo, XTimeStamped, XComponent {
public final static String __serviceName = "com.sun.star.configuration.backend.PlatformBackend";
public final static String __implName = "org.openoffice.JavaSystemBackend";
public final static String testComponent = "org.openoffice.Office.Common";
protected static XMultiServiceFactory msf = null;
protected XLayer aLayer = null;
/**
* Get the implementation id.
* @return An empty implementation id.
* @see com.sun.star.lang.XTypeProvider
*/
public byte[] getImplementationId() {
return new byte[0];
}
/**
* Function for reading the implementation name.
*
* @return the implementation name
* @see com.sun.star.lang.XServiceInfo
*/
public String getImplementationName() {
return __implName;
}
public com.sun.star.configuration.backend.XLayer getLayer(String str,
String str1)
throws com.sun.star.configuration.backend.BackendAccessException,
com.sun.star.lang.IllegalArgumentException {
if (aLayer == null) {
System.out.println("JavaSystemBackend::getLayer() called for " +
str);
aLayer = new CommonLayer();
}
return aLayer;
}
/**
* Function for reading all supported services
*
* @return An aaray with all supported service names
* @see com.sun.star.lang.XServiceInfo
*/
public String[] getSupportedServiceNames() {
String[] supServiceNames = { __serviceName };
return supServiceNames;
}
public String getTimestamp() {
//not really implemented
return "2004-03-31";
}
/**
* Get all implemented types of this class.
* @return An array of implemented interface types.
* @see com.sun.star.lang.XTypeProvider
*/
public Type[] getTypes() {
Type[] type = new Type[5];
type[0] = new Type(XInterface.class);
type[1] = new Type(XTypeProvider.class);
type[2] = new Type(XSingleLayerStratum.class);
type[3] = new Type(XServiceInfo.class);
type[4] = new Type(XTimeStamped.class);
return type;
}
public com.sun.star.configuration.backend.XUpdatableLayer getUpdatableLayer(String str)
throws com.sun.star.configuration.backend.BackendAccessException,
com.sun.star.lang.NoSupportException,
com.sun.star.lang.IllegalArgumentException {
throw new com.sun.star.lang.NoSupportException(
"Cannot write to test backend", this);
}
/**
* Does the implementation support this service?
*
* @param serviceName The name of the service in question
* @return true, if service is supported, false otherwise
* @see com.sun.star.lang.XServiceInfo
*/
public boolean supportsService(String serviceName) {
if (serviceName.equals(__serviceName)) {
return true;
}
return false;
}
/**
*
* 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
* @param implName the name of the implementation for which a service is desired
* @param multiFactory the service manager to be used if needed
* @param regKey the registryKey
* @see com.sun.star.comp.loader.JavaLoader
*/
public static XSingleServiceFactory __getServiceFactory(String implName,
XMultiServiceFactory multiFactory,
XRegistryKey regKey) {
XSingleServiceFactory xSingleServiceFactory = null;
msf = multiFactory;
if (implName.equals(JavaSystemBackend.class.getName())) {
xSingleServiceFactory = FactoryHelper.getServiceFactory(
JavaSystemBackend.class,
__serviceName, multiFactory,
regKey);
}
return xSingleServiceFactory;
}
/**
* Writes the service information into the given registry key.
* This method is called by the <code>JavaLoader</code>
* <p>
* @return returns true if the operation succeeded
* @param regKey the registryKey
* @see com.sun.star.comp.loader.JavaLoader
*/
public static boolean __writeRegistryServiceInfo(XRegistryKey regKey) {
boolean success = FactoryHelper.writeRegistryServiceInfo(__implName,
__serviceName,
regKey);
if (success) {
try {
String keyName = "/" + __implName +
"/DATA/SupportedComponents";
XRegistryKey newKey = regKey.createKey(keyName);
String[] supportedComponents = { testComponent };
newKey.setAsciiListValue(supportedComponents);
} catch (Exception ex) {
success = false; // prevent startup loop
System.out.println("can't register component");
}
}
return success;
}
public void addEventListener(com.sun.star.lang.XEventListener xEventListener) {
}
public void dispose() {
System.out.println("JavaSystemBackend::dispose() called");
}
public void removeEventListener(com.sun.star.lang.XEventListener xEventListener) {
}
protected class CommonLayer implements XLayer, XTimeStamped {
public void readData(XLayerHandler xLayerHandler)
throws com.sun.star.lang.NullPointerException,
com.sun.star.lang.WrappedTargetException,
com.sun.star.configuration.backend.MalformedDataException {
System.out.println("CommonLayer is read");
if (xLayerHandler == null) {
throw new com.sun.star.lang.NullPointerException(
"null is not a legal LayerHandler");
}
XLayerContentDescriber xLayerContentDescriber = null;
try {
xLayerContentDescriber = (XLayerContentDescriber) UnoRuntime.queryInterface(
XLayerContentDescriber.class,
msf.createInstance(
"com.sun.star.comp.configuration.backend.LayerDescriber"));
} catch (com.sun.star.uno.Exception e) {
throw new com.sun.star.lang.NullPointerException(
"exception while creating LayerDesccriber");
}
if (xLayerContentDescriber == null) {
throw new com.sun.star.lang.NullPointerException(
"created LayerDescriber isn't valid");
}
PropertyInfo[] pInfo = new PropertyInfo[1];
pInfo[0] = new PropertyInfo();
pInfo[0].Name = "org.openoffice.Office.Common/Undo/Steps";
pInfo[0].Value = new Integer(12);
pInfo[0].Type = "int";
pInfo[0].Protected = false;
xLayerContentDescriber.describeLayer(xLayerHandler, pInfo);
}
public String getTimestamp() {
//not really implemented
return "2004-03-31";
}
}
}