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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
* "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.
*
*************************************************************/
//_______________________________________________
// imports
import com.sun.star.uno.XComponentContext;
import com.sun.star.lib.uno.helper.Factory;
import com.sun.star.lib.uno.helper.WeakBase;
import com.sun.star.lang.XServiceInfo;
import com.sun.star.awt.*;
import com.sun.star.beans.*;
import com.sun.star.task.*;
import com.sun.star.uno.*;
import java.lang.*;
import javax.swing.*;
//_______________________________________________
// implementation
/** it implements a simple job component.
*
* Such jobs are executable in different ways:
* <ul>
* <li>registered for a special URL schema "vnd.sun.star.jobs:*" and used from the generic dispatch framework</li>
* <li>the global com.sun.star.task.JobExecutor service and registered for special events.</li>
* </ul>
*/
public class AsyncJob extends WeakBase implements XServiceInfo, XAsyncJob
{
//___________________________________________
// const
public final XComponentContext m_xCmpCtx;
/** the const list of supported uno service names. */
public static final java.lang.String[] SERVICENAMES = {"com.sun.star.task.AsyncJob"};
/** the const uno implementation name.
* It must be an unique value! The best naming schema seams to use
* a registered domain in reverse order ...
*/
public static final java.lang.String IMPLEMENTATIONNAME = "com.sun.star.comp.framework.java.services.AsyncJob";
//___________________________________________
// interface
/** initialize a new instance of this class with default values. */
public AsyncJob( XComponentContext xCompContext )
{
m_xCmpCtx = xCompContext;
}
//___________________________________________
/** starts execution of this job.
*
* @param lArgs
* list which contains:
* <ul>
* <li>generic job configuration data</li>
* <li>job specific configuration data</li>
* <li>some environment informations</li>
* <li>may optional arguments of a corresponding dispatch request</li>
* </ul>
*
* @params xListener
* callback to the executor of this job, which control our life time
*
* @throws com.sun.star.lang.IllegalArgumentException
* if given argument list seams to be wrong
*/
public synchronized void executeAsync(com.sun.star.beans.NamedValue[] lArgs ,
com.sun.star.task.XJobListener xListener)
throws com.sun.star.lang.IllegalArgumentException
{
// For asynchronous jobs a valid listener reference is guranteed normaly ...
if (xListener == null)
throw new com.sun.star.lang.IllegalArgumentException("invalid listener");
// extract all possible sub list of given argument list
com.sun.star.beans.NamedValue[] lGenericConfig = null;
com.sun.star.beans.NamedValue[] lJobConfig = null;
com.sun.star.beans.NamedValue[] lEnvironment = null;
com.sun.star.beans.NamedValue[] lDynamicData = null;
int c = lArgs.length;
for (int i=0; i<c; ++i)
{
if (lArgs[i].Name.equals("Config"))
lGenericConfig = (com.sun.star.beans.NamedValue[])com.sun.star.uno.AnyConverter.toArray(lArgs[i].Value);
else
if (lArgs[i].Name.equals("JobConfig"))
lJobConfig = (com.sun.star.beans.NamedValue[])com.sun.star.uno.AnyConverter.toArray(lArgs[i].Value);
else
if (lArgs[i].Name.equals("Environment"))
lEnvironment = (com.sun.star.beans.NamedValue[])com.sun.star.uno.AnyConverter.toArray(lArgs[i].Value);
else
if (lArgs[i].Name.equals("DynamicData"))
lDynamicData = (com.sun.star.beans.NamedValue[])com.sun.star.uno.AnyConverter.toArray(lArgs[i].Value);
}
// Analyze the environment info. This sub list is the only guarenteed one!
if (lEnvironment == null)
throw new com.sun.star.lang.IllegalArgumentException("no environment");
java.lang.String sEnvType = null;
java.lang.String sEventName = null;
com.sun.star.frame.XFrame xFrame = null;
c = lEnvironment.length;
for (int i=0; i<c; ++i)
{
if (lEnvironment[i].Name.equals("EnvType"))
sEnvType = com.sun.star.uno.AnyConverter.toString(lEnvironment[i].Value);
else
if (lEnvironment[i].Name.equals("EventName"))
sEventName = com.sun.star.uno.AnyConverter.toString(lEnvironment[i].Value);
else
if (lEnvironment[i].Name.equals("Frame"))
xFrame = (com.sun.star.frame.XFrame)com.sun.star.uno.AnyConverter.toObject(
new com.sun.star.uno.Type(com.sun.star.frame.XFrame.class),
lEnvironment[i].Value);
}
// Further the environment property "EnvType" is required as minimum.
if (
(sEnvType==null) ||
(
(!sEnvType.equals("EXECUTOR")) &&
(!sEnvType.equals("DISPATCH"))
)
)
{
java.lang.String sMessage = "\"" + sEnvType + "\" isn't a valid value for EnvType";
throw new com.sun.star.lang.IllegalArgumentException(sMessage);
}
// Analyze the set of shared config data.
java.lang.String sAlias = null;
if (lGenericConfig!=null)
{
c = lGenericConfig.length;
for (int i=0; i<c; ++i)
{
if (lGenericConfig[i].Name.equals("Alias"))
sAlias = com.sun.star.uno.AnyConverter.toString(lGenericConfig[i].Value);
}
}
// do your job ...
// Here we print out all found arguments.
java.lang.String sOut = formatOutArgs(lGenericConfig, lJobConfig, lEnvironment, lDynamicData);
if (xFrame != null)
showInfoModal(xFrame.getContainerWindow(), "Arguments of AsyncJob initialization ...", sOut);
else
showInfoNonModal("Arguments of AsyncJob initialization ...", sOut);
// use return value to start different actions
// But look for the right environment. Some options make no sense inside the wrong env.
com.sun.star.beans.NamedValue aDeactivation = null;
com.sun.star.beans.NamedValue aDispatchResult = null;
com.sun.star.beans.NamedValue aSaveRequest = null;
// SaveArguments will be made everytimes!
c = 1;
if (lJobConfig==null)
lJobConfig = new com.sun.star.beans.NamedValue[1];
lJobConfig[0] = new com.sun.star.beans.NamedValue();
lJobConfig[0].Name = "arg_1";
lJobConfig[0].Value = "val_1";
aSaveRequest = new com.sun.star.beans.NamedValue();
aSaveRequest.Name = "SaveArguments";
aSaveRequest.Value = lJobConfig;
// Deactivation is usefull inside EXECUTOR environment only
if (sEnvType.equals("EXECUTOR"))
{
++c;
aDeactivation = new com.sun.star.beans.NamedValue();
aDeactivation.Name = "Deactivate";
aDeactivation.Value = java.lang.Boolean.TRUE;
}
// Sending of result events is usefull inside DISPATCH environment only
if (sEnvType.equals("DISPATCH"))
{
++c;
aDispatchResult = new com.sun.star.beans.NamedValue();
aDispatchResult.Name = "SendDispatchResult";
aDispatchResult.Value = new com.sun.star.frame.DispatchResultEvent(this, com.sun.star.frame.DispatchResultState.SUCCESS, null);
}
// pack it together for return
int i=0;
com.sun.star.beans.NamedValue[] lReturn = new com.sun.star.beans.NamedValue[c];
lReturn[i++] = aSaveRequest;
if (aDeactivation!=null)
lReturn[i++] = aDeactivation;
if (aDispatchResult!=null)
lReturn[i++] = aDispatchResult;
xListener.jobFinished(this, lReturn);
}
//___________________________________________
/** show an info box with the UNO based toolkit.
*
* It tries to use the container window of a may well know
* office frame as parent. If such parent window could be located,
* the info box can be shown in modal mode. If a parent is missing
* (because this job is called inside an EXECUTOR environment, which
* does not set any frame context here) the info box can't be created!
* Because the toolkit needs parents for non top level windows ...
* In that case the only way is to implement this info box
* native or make it non modal using java dialogs inside it's own thread ...
* (see showInfoNonModal() too)
*
* @param xParent
* used as parent window of the shown info box.
*
* @param sTitle
* is shown as title of the info box.
*
* @param sMessage
* inclused the message body, which is shown as info.
*/
private void showInfoModal( com.sun.star.awt.XWindow xParent ,
java.lang.String sTitle ,
java.lang.String sMessage )
{
try
{
// get access to the office toolkit environment
com.sun.star.awt.XToolkit xKit = (com.sun.star.awt.XToolkit)UnoRuntime.queryInterface(
com.sun.star.awt.XToolkit.class,
m_xCmpCtx.getServiceManager().createInstanceWithContext("com.sun.star.awt.Toolkit",
m_xCmpCtx));
// describe the info box ini it's parameters
com.sun.star.awt.WindowDescriptor aDescriptor = new com.sun.star.awt.WindowDescriptor();
aDescriptor.WindowServiceName = "infobox";
aDescriptor.Bounds = new com.sun.star.awt.Rectangle(0,0,300,200);
aDescriptor.WindowAttributes = com.sun.star.awt.WindowAttribute.BORDER |
com.sun.star.awt.WindowAttribute.MOVEABLE |
com.sun.star.awt.WindowAttribute.CLOSEABLE;
aDescriptor.Type = com.sun.star.awt.WindowClass.MODALTOP;
aDescriptor.ParentIndex = 1;
aDescriptor.Parent = (com.sun.star.awt.XWindowPeer)UnoRuntime.queryInterface(
com.sun.star.awt.XWindowPeer.class,
xParent);
// create the info box window
com.sun.star.awt.XWindowPeer xPeer = xKit.createWindow(aDescriptor);
com.sun.star.awt.XMessageBox xInfoBox = (com.sun.star.awt.XMessageBox)UnoRuntime.queryInterface(
com.sun.star.awt.XMessageBox.class,
xPeer);
if (xInfoBox == null)
return;
// fill it with all given informations and show it
xInfoBox.setCaptionText(sTitle);
xInfoBox.setMessageText(sMessage);
xInfoBox.execute();
}
catch(java.lang.Throwable exIgnore)
{
// ignore any problem, which can occure here.
// It's not realy a bug for this example job, if
// it's message could not be printed out!
}
}
//___________________________________________
private void showInfoNonModal( java.lang.String sTitle ,
java.lang.String sMessage )
{
// Couldnt be implemented realy using the toolkit ...
// Because we need a parent anytime.
// And showing e.g. a java dialog can make some trouble
// inside office ... but we have no chance here.
final java.lang.String sFinalTitle = sTitle;
final java.lang.String sFinalMessage = sMessage;
// On Mac OS X, AWT/Swing must not be accessed from the AppKit thread, so call
// SwingUtilities.invokeLater always on a fresh thread to avoid that problem
// (also, the current thread must not wait for that fresh thread to terminate,
// as that would cause a deadlock if this thread is the AppKit thread):
final Runnable doRun = new Runnable() {
public void run() {
javax.swing.JOptionPane.showMessageDialog(null, sFinalMessage, sFinalTitle, javax.swing.JOptionPane.INFORMATION_MESSAGE);
}
};
new Thread( doRun ) {
public void run() { javax.swing.SwingUtilities.invokeLater(doRun); }
}.start();
}
//___________________________________________
/** helper to print out the given argument list.
*
* @param lGenericConfig
* contains all shared configuration items for a job
*
* @param lJobConfig
* contains all job sepcific configuration items
*
* @param lEnvironment
* contains some environment informations
*
* @param lDynamicData
* contains optional data of a might corresponding dispatch() request
*/
private java.lang.String formatOutArgs(com.sun.star.beans.NamedValue[] lGenericConfig,
com.sun.star.beans.NamedValue[] lJobConfig ,
com.sun.star.beans.NamedValue[] lEnvironment ,
com.sun.star.beans.NamedValue[] lDynamicData )
{
java.lang.StringBuffer sOut = new java.lang.StringBuffer(1024);
sOut.append("list \"Config\": ");
if (lGenericConfig==null)
sOut.append("0 items\n");
else
{
int c = lGenericConfig.length;
sOut.append(c+" items\n");
for (int i=0; i<c; ++i)
sOut.append("\t["+i+"] \""+lGenericConfig[i].Name+"\" = {"+lGenericConfig[i].Value+"}\n");
}
sOut.append("list \"JobConfig\": ");
if (lJobConfig==null)
sOut.append("0 items\n");
else
{
int c = lJobConfig.length;
sOut.append(c+" items\n");
for (int i=0; i<c; ++i)
sOut.append("\t["+i+"] \""+lJobConfig[i].Name+"\" = {"+lJobConfig[i].Value+"}\n");
}
sOut.append("list \"Environment\": ");
if (lEnvironment==null)
sOut.append("0 items\n");
else
{
int c = lEnvironment.length;
sOut.append(c+" items\n");
for (int i=0; i<c; ++i)
sOut.append("\t["+i+"] \""+lEnvironment[i].Name+"\" = {"+lEnvironment[i].Value+"}\n");
}
sOut.append("list \"DynamicData\": ");
if (lDynamicData==null)
sOut.append("0 items\n");
else
{
int c = lDynamicData.length;
sOut.append(c+" items\n");
for (int i=0; i<c; ++i)
sOut.append("\t["+i+"] \""+lDynamicData[i].Name+"\" = {"+lDynamicData[i].Value+"}\n");
}
return sOut.toString();
}
public String[] getSupportedServiceNames() {
return SERVICENAMES;
}
public boolean supportsService( String sService ) {
int len = SERVICENAMES.length;
for( int i=0; i < len; i++) {
if ( sService.equals( SERVICENAMES[i] ) )
return true;
}
return false;
}
public String getImplementationName() {
return( AsyncJob.class.getName() );
}
//___________________________________________
public synchronized static com.sun.star.lang.XSingleComponentFactory __getComponentFactory(java.lang.String sImplName)
{
com.sun.star.lang.XSingleComponentFactory xFactory = null;
if (sImplName.equals(AsyncJob.IMPLEMENTATIONNAME))
xFactory = Factory.createComponentFactory(AsyncJob.class, SERVICENAMES);
return xFactory;
}
//___________________________________________
// This method not longer necessary since OOo 3.4 where the component registration
// was changed to passive component registration. For more details see
// http://wiki.services.openoffice.org/wiki/Passive_Component_Registration
// public synchronized static boolean __writeRegistryServiceInfo(com.sun.star.registry.XRegistryKey xRegKey)
// {
// return Factory.writeRegistryServiceInfo(
// AsyncJob.IMPLEMENTATIONNAME,
// AsyncJob.SERVICENAMES,
// xRegKey);
// }
}