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Diffstat (limited to 'odk/examples/DevelopersGuide/Config/ConfigExamples.java')
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diff --git a/odk/examples/DevelopersGuide/Config/ConfigExamples.java b/odk/examples/DevelopersGuide/Config/ConfigExamples.java new file mode 100644 index 000000000..b74d24f7d --- /dev/null +++ b/odk/examples/DevelopersGuide/Config/ConfigExamples.java @@ -0,0 +1,1102 @@ +/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * The Contents of this file are made available subject to the terms of + * the BSD license. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Sun Microsystems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************/ + +// Import everything we use + +import com.sun.star.beans.XPropertySet; +import com.sun.star.beans.XMultiPropertySet; +import com.sun.star.beans.XHierarchicalPropertySet; +import com.sun.star.beans.XMultiHierarchicalPropertySet; +import com.sun.star.beans.XPropertyState; +import com.sun.star.beans.XMultiPropertyStates; + +import com.sun.star.configuration.XTemplateInstance; + +import com.sun.star.container.XNameAccess; +import com.sun.star.container.XNameReplace; +import com.sun.star.container.XNameContainer; +import com.sun.star.container.XNamed; +import com.sun.star.container.XChild; +import com.sun.star.container.XHierarchicalNameAccess; +import com.sun.star.container.XHierarchicalName; + +import com.sun.star.lang.XComponent; +import com.sun.star.lang.XMultiComponentFactory; +import com.sun.star.lang.XSingleServiceFactory; +import com.sun.star.lang.XMultiServiceFactory; +import com.sun.star.lang.XServiceInfo; +import com.sun.star.lang.EventObject; + +import com.sun.star.uno.UnoRuntime; +import com.sun.star.uno.XComponentContext; +import com.sun.star.uno.XInterface; +import com.sun.star.uno.AnyConverter; + +import com.sun.star.util.XChangesBatch; +import com.sun.star.util.XChangesNotifier; +import com.sun.star.util.XChangesListener; +import com.sun.star.util.ChangesEvent; +// Config examples + +/* These examples show how to use the following features of the Config API: + + o Accessing data + o Updating data + o Updating properties in groups + o Adding and removing items in sets + o Resetting data to their defaults + + Each example is in a separate method call. +*/ +public class ConfigExamples +{ + // The ComponentContext interface of the remote component context + private final XComponentContext mxContext; + + // The MultiComponentFactory interface of the ServiceManager + private final XMultiComponentFactory mxServiceManager; + + // The MultiServiceFactory interface of the ConfigurationProvider + private XMultiServiceFactory mxProvider = null; + + public static void main( String args[] ) + { + try { + // get the remote office component context + com.sun.star.uno.XComponentContext xContext = + com.sun.star.comp.helper.Bootstrap.bootstrap(); + + if( xContext != null ) + System.out.println("Connected to a running office ..."); + else + System.out.println( "ERROR: Cannot connect - no remote component context available." ); + + // Create an instance of the class and call its run method + ConfigExamples aExample = new ConfigExamples(xContext); + aExample.run( ); + + // if you own the service manager dispose it here + // to ensure that the default provider is properly disposed and flushed + System.exit(0); + } + catch( Exception e ) + { + e.printStackTrace(); + System.exit(-1); + } + } + + /** Create a ConfigExamples instance supplying a service factory + */ + public ConfigExamples(XComponentContext xContext) + { + mxContext = xContext; + mxServiceManager = xContext.getServiceManager(); + } + + /** Run the examples with a default ConfigurationProvider + */ + public void run() + throws com.sun.star.uno.Exception + { + mxProvider = createProvider(); + + runExamples( ); + + // we are using the default ConfigurationProvider, so we must not dispose it + mxProvider = null; + } + + /** Run the examples with a given ConfigurationProvider + */ + public void runExamples( ) + { + if (checkProvider(mxProvider)) + { + System.out.println("\nStarting examples."); + + readDataExample(); + + browseDataExample(); + + updateGroupExample(); + + resetGroupExample(); + + updateSetExample(); + + System.out.println("\nAll Examples completed."); + } + else + System.out.println("ERROR: Cannot run examples without ConfigurationProvider."); + + } + + /** Do some simple checks, if there is a valid ConfigurationProvider + */ + public static boolean checkProvider(XMultiServiceFactory xProvider) + { + // check the provider we have + if (xProvider == null) + { + System.out.println("No provider available. Cannot access configuration data."); + return false; + + } + + try + { + // check the provider implementation + XServiceInfo xProviderServices = + UnoRuntime.queryInterface( XServiceInfo.class, xProvider ); + + if (xProviderServices == null || + !xProviderServices.supportsService("com.sun.star.configuration.ConfigurationProvider")) + { + System.out.println("WARNING: The provider is not a com.sun.star.configuration.ConfigurationProvider"); + } + + if (xProviderServices != null) + { + System.out.println("Using provider implementation: " + xProviderServices.getImplementationName()); + } + + return true; + } + catch (com.sun.star.uno.RuntimeException e) + { + System.err.println("ERROR: Failure while checking the provider services."); + e.printStackTrace(); + return false; + } + } + + /** Get the provider we have + */ + public XMultiServiceFactory getProvider( ) + { + return mxProvider; + } + + /** Create a default configuration provider + */ + public XMultiServiceFactory createProvider( ) + throws com.sun.star.uno.Exception + { + final String sProviderService = "com.sun.star.configuration.ConfigurationProvider"; + + // create the provider and return it as a XMultiServiceFactory + XMultiServiceFactory xProvider = UnoRuntime.queryInterface(XMultiServiceFactory.class, + mxServiceManager.createInstanceWithContext(sProviderService, + mxContext)); + + return xProvider; + } + + /** Create a specified read-only configuration view + */ + public Object createConfigurationView( String sPath ) + throws com.sun.star.uno.Exception + { + XMultiServiceFactory xProvider = getProvider(); + + // The service name: Need only read access: + final String sReadOnlyView = "com.sun.star.configuration.ConfigurationAccess"; + + // creation arguments: nodepath + com.sun.star.beans.PropertyValue aPathArgument = new com.sun.star.beans.PropertyValue(); + aPathArgument.Name = "nodepath"; + aPathArgument.Value = sPath; + + Object[] aArguments = new Object[1]; + aArguments[0] = aPathArgument; + + // create the view + Object xViewRoot = xProvider.createInstanceWithArguments(sReadOnlyView, aArguments); + + return xViewRoot; + } + + /** Create a specified updatable configuration view + */ + Object createUpdatableView( String sPath ) + throws com.sun.star.uno.Exception + { + XMultiServiceFactory xProvider = getProvider(); + + // The service name: Need update access: + final String cUpdatableView = "com.sun.star.configuration.ConfigurationUpdateAccess"; + + // creation arguments: nodepath + com.sun.star.beans.PropertyValue aPathArgument = new com.sun.star.beans.PropertyValue(); + aPathArgument.Name = "nodepath"; + aPathArgument.Value = sPath; + + Object[] aArguments = new Object[1]; + aArguments[0] = aPathArgument; + + // create the view + Object xViewRoot = xProvider.createInstanceWithArguments(cUpdatableView, aArguments); + + return xViewRoot; + } + + /** This method demonstrates read access to data + */ + protected void readDataExample () + { + try + { + System.out.println("\n--- starting example: read grid option settings --------------------"); + Object aData = readGridConfiguration( ); + System.out.println("Read grid options: " + aData); + + } + catch ( Exception e ) + { + e.printStackTrace(); + } + } + + /** This method demonstrates browsing access to data + */ + protected void browseDataExample () + { + try + { + System.out.println("\n--- starting example: browse filter configuration ------------------"); + printRegisteredFilters( ); + } + catch ( Exception e ) + { + e.printStackTrace(); + } + } + + /** This method demonstrates update access to group data + */ + protected void updateGroupExample () + { + try + { + System.out.println("\n--- starting example: update group data --------------"); + editGridOptions( ); + } + catch ( Exception e ) + { + e.printStackTrace(); + } + } + + /** This method demonstrates resetting data to its default state + */ + protected void resetGroupExample () + { + try + { + System.out.println("\n--- starting example: reset group data -----------------------------"); + Object aOldData = readGridConfiguration( ); + resetGridConfiguration( ); + Object aNewData = readGridConfiguration( ); + System.out.println("Before reset: user grid options: " + aOldData); + System.out.println("After reset: default grid options: " + aNewData); + } + catch ( Exception e ) + { + e.printStackTrace(); + } + } + + /** This method demonstrates update access to set data + */ + protected void updateSetExample () + { + try + { + System.out.println("\n--- starting example: update set data ---------------"); + storeSampleDataSource( ); + } + catch ( Exception e ) + { + e.printStackTrace(); + } + } + +// READ example + /// class to hold information about grid settings + private static class GridOptions + { + private boolean visible; + private int resolution_x; + private int resolution_y; + private int subdivision_x; + private int subdivision_y; + + @Override + public String toString() { + StringBuffer aBuffer = new StringBuffer(); + aBuffer.append("[ Grid is "); aBuffer.append(visible ? "VISIBLE" : "HIDDEN"); + aBuffer.append("; resolution = (" + resolution_x + "," + resolution_y + ")"); + aBuffer.append("; subdivision = (" + subdivision_x + "," + subdivision_y + ")"); + aBuffer.append(" ]"); + return aBuffer.toString(); + } + } + + /// This method reads information about grid settings + protected GridOptions readGridConfiguration() + throws com.sun.star.uno.Exception + { + // The path to the root element + final String cGridOptionsPath = "/org.openoffice.Office.Calc/Grid"; + + // create the view + Object xViewRoot = createConfigurationView(cGridOptionsPath); + + // the result structure + GridOptions options = new GridOptions(); + + // accessing a single nested value + XHierarchicalPropertySet xProperties = + UnoRuntime.queryInterface(XHierarchicalPropertySet.class, xViewRoot); + + Object aVisible = xProperties.getHierarchicalPropertyValue("Option/VisibleGrid"); + options.visible = ((Boolean) aVisible).booleanValue(); + + // accessing a nested object and its subproperties + Object xSubdivision = xProperties.getHierarchicalPropertyValue("Subdivision"); + + XMultiPropertySet xSubdivProperties = + UnoRuntime.queryInterface(XMultiPropertySet.class, xSubdivision); + + // variables for multi-element access + String[] aElementNames = new String[] { "XAxis", "YAxis" }; + + Object[] aElementValues = xSubdivProperties.getPropertyValues(aElementNames); + + options.subdivision_x = ((Integer) aElementValues[0]).intValue(); + options.subdivision_y = ((Integer) aElementValues[1]).intValue(); + + // accessing deeply nested subproperties + Object xResolution = xProperties.getHierarchicalPropertyValue("Resolution"); + + XMultiHierarchicalPropertySet xResolutionProperties = + UnoRuntime.queryInterface(XMultiHierarchicalPropertySet.class, xResolution); + + aElementNames[0] = "XAxis/Metric"; + aElementNames[1] = "YAxis/Metric"; + + aElementValues = xResolutionProperties.getHierarchicalPropertyValues(aElementNames); + + options.resolution_x = ((Integer) aElementValues[0]).intValue(); + options.resolution_y = ((Integer) aElementValues[1]).intValue(); + + // all options have been retrieved - clean up and return + // we are done with the view - dispose it + + UnoRuntime.queryInterface(XComponent.class, xViewRoot).dispose(); + + return options; + } + +// BROWSE example + /// Interface to process information when browsing the configuration tree + public interface IConfigurationProcessor + { + /// process a value item + void processValueElement( String sPath_, Object aValue_ ); + /// process a structural item + void processStructuralElement( String sPath_, XInterface xElement_); + } + + /// Internal method to recursively browse a structural element in preorder + public void browseElementRecursively( XInterface xElement, IConfigurationProcessor aProcessor ) + throws com.sun.star.uno.Exception + { + // First process this as an element (preorder traversal) + XHierarchicalName xElementPath = + UnoRuntime.queryInterface(XHierarchicalName.class, xElement); + + String sPath = xElementPath.getHierarchicalName(); + + aProcessor.processStructuralElement( sPath, xElement); + + // now process this as a container + XNameAccess xChildAccess = + UnoRuntime.queryInterface(XNameAccess.class, xElement); + + // get a list of child elements + String[] aElementNames = xChildAccess.getElementNames(); + + // and process them one by one + for(int i=0; i< aElementNames.length; ++i) + { + Object aChild = xChildAccess.getByName( aElementNames[i] ); + // is it a structural element (object) ... + if ( AnyConverter.isObject(aChild) && !AnyConverter.isArray(aChild) ) + { + // then get an interface + XInterface xChildElement = UnoRuntime.queryInterface(XInterface.class, aChild); + + // and continue processing child elements recursively + browseElementRecursively( xChildElement, aProcessor ); + } + // ... or is it a simple value + else + { + // Build the path to it from the path of + // the element and the name of the child + String sChildPath; + sChildPath = + xElementPath.composeHierarchicalName(aElementNames[i]); + + // and process the value + aProcessor.processValueElement( sChildPath, aChild ); + } + } + } + + /** Method to browse the part rooted at sRootPath + of the configuration that the Provider provides. + + All nodes will be processed by the IConfigurationProcessor passed. + */ + public void browseConfiguration( String sRootPath, IConfigurationProcessor aProcessor ) + throws com.sun.star.uno.Exception + { + // create the root element + XInterface xViewRoot = (XInterface)createConfigurationView( sRootPath ); + + // now do the processing + browseElementRecursively( xViewRoot, aProcessor ); + + // we are done with the view - dispose it + // This assumes that the processor + // does not keep a reference to the elements in processStructuralElement + + UnoRuntime.queryInterface(XComponent.class,xViewRoot).dispose(); + xViewRoot = null; + } + + /** Method to browse the filter configuration. + + Information about installed filters will be printed. + */ + public void printRegisteredFilters() + throws com.sun.star.uno.Exception + { + final String sFilterKey = "/org.openoffice.TypeDetection.Filter/Filters"; + + // browse the configuration, dumping filter information + browseConfiguration( sFilterKey, + new IConfigurationProcessor () { + /// prints Path and Value of properties + public void processValueElement( String sPath_, Object aValue_ ) { + if (AnyConverter.isArray(aValue_)) + { + final Object [] aArray = (Object [])aValue_; + + System.out.print("\tValue: " + sPath_ + " = { "); + for (int i=0; i<aArray.length; ++i) + { + if (i != 0) System.out.print(", "); + System.out.print(aArray[i]); + } + System.out.println(" }"); + } + else + System.out.println("\tValue: " + sPath_ + " = " + aValue_); + } + + /// prints the Filter entries + public void processStructuralElement( String sPath_, XInterface xElement_) { + // get template information, to detect instances of the 'Filter' template + XTemplateInstance xInstance = + UnoRuntime.queryInterface( XTemplateInstance .class,xElement_); + + // only select the Filter entries + if (xInstance != null && xInstance.getTemplateName().endsWith("Filter")) { + XNamed xNamed = UnoRuntime.queryInterface(XNamed.class,xElement_); + System.out.println("Filter " + xNamed.getName() + " (" + sPath_ + ")"); + } + } + } ); + } + +// GROUP UPDATE example + + /** This method simulates editing configuration data using a GridEditor dialog class + */ + public void editGridOptions( ) + throws com.sun.star.uno.Exception + { + // The path to the root element + final String cGridOptionsPath = "/org.openoffice.Office.Calc/Grid"; + + // create the view + Object xViewRoot = createUpdatableView( cGridOptionsPath ); + + // the 'editor' + GridOptionsEditor dialog = new GridOptionsEditor(); + + // set up the initial values and register listeners + // get a data access interface, to supply the view with a model + XMultiHierarchicalPropertySet xProperties = + UnoRuntime.queryInterface(XMultiHierarchicalPropertySet.class, xViewRoot); + + dialog.setModel( xProperties ); + + // get a listener object (probably an adapter) that notifies + // the dialog of external changes to its model + XChangesListener xListener = dialog.createChangesListener( ); + + XChangesNotifier xNotifier = + UnoRuntime.queryInterface(XChangesNotifier.class, xViewRoot); + + xNotifier.addChangesListener( xListener ); + + // trigger the listener + changeSomeData( cGridOptionsPath + "/Subdivision" ); + + if (dialog.execute() == GridOptionsEditor.SAVE_SETTINGS) + { + // changes have been applied to the view here + XChangesBatch xUpdateControl = + UnoRuntime.queryInterface(XChangesBatch.class,xViewRoot); + + try + { + xUpdateControl.commitChanges(); + } + catch (Exception e) + { + dialog.informUserOfError( e ); + } + } + + // all changes have been handled - clean up and return + // listener is done now + xNotifier.removeChangesListener( xListener ); + + // we are done with the view - dispose it + UnoRuntime.queryInterface(XComponent.class, xViewRoot).dispose(); + } + + /** A class that changes some grid options settings + + The interface of this class is chose to resemble a possible UI dialog class + */ + private class GridOptionsEditor { + /// the data this editor edits + XMultiHierarchicalPropertySet mxModel; + + public static final int CANCELED = 0; + public static final int SAVE_SETTINGS = 1; + + // sets a model and updates the display + public void setModel(XMultiHierarchicalPropertySet xModel) { + mxModel = xModel; + updateDisplay(); + } + + // this method 'runs' the 'dialog' + public int execute() { + try + { + System.out.println("-- GridEditor executing --"); + // simulate a user action changing some data + toggleVisibility(); + System.out.println("-- GridEditor done --"); + return SAVE_SETTINGS; + } + catch (Exception e) + { + informUserOfError(e); + return CANCELED; + } + } + + // this method is called to report an error during dialog execution to the user + public void informUserOfError(Exception e) { + System.err.println("ERROR in GridEditor:"); + e.printStackTrace(); + } + + /// this method is called to allow the dialog to get feedback about changes occurring elsewhere + public XChangesListener createChangesListener() { + if (mxModel == null) return null; + + return (new XChangesListener () { + public void changesOccurred( ChangesEvent event ) { + System.out.println("GridEditor - Listener received changes event containing " + + event.Changes.length + " change(s)."); + updateDisplay(); + } + + public void disposing(EventObject event) { + System.out.println("GridEditor - Listener received disposed event: releasing model"); + setModel(null); + } + }); + } + /// this method is called when data has changed to display the updated data + private void updateDisplay() { + if (mxModel != null) + System.out.println("Grid options editor: data=" + readModel()); + else + System.out.println("Grid options editor: no model set"); + } + + // this method is used to read all relevant data from the model + private GridOptions readModel() + { + try + { + String [] aOptionNames = new String [5]; + aOptionNames[0] = "Option/VisibleGrid"; + aOptionNames[1] = "Subdivision/XAxis"; + aOptionNames[2] = "Subdivision/YAxis"; + aOptionNames[3] = "Resolution/XAxis/Metric"; + aOptionNames[4] = "Resolution/YAxis/Metric"; + + Object [] aValues = mxModel.getHierarchicalPropertyValues(aOptionNames); + + GridOptions result = new GridOptions(); + result.visible = ((Boolean)aValues[0]).booleanValue(); + result.subdivision_x = ((Integer)aValues[1]).intValue(); + result.subdivision_y = ((Integer)aValues[2]).intValue(); + result.resolution_x = ((Integer)aValues[3]).intValue(); + result.resolution_y = ((Integer)aValues[4]).intValue(); + + return result; + } + catch (Exception e) + { + informUserOfError(e); + return null; + } + } + + // this method executes an edit + private void toggleVisibility() + { + try + { + XHierarchicalPropertySet xHPS = + UnoRuntime.queryInterface(XHierarchicalPropertySet.class, mxModel); + + final String sSetting = "Option/VisibleGrid"; + + System.out.println("GridEditor: toggling Visibility"); + + Boolean bOldValue = (Boolean)xHPS.getHierarchicalPropertyValue(sSetting); + + Boolean bNewValue = Boolean.valueOf( ! bOldValue.booleanValue() ); + + xHPS.setHierarchicalPropertyValue(sSetting,bNewValue); + } + catch (Exception e) + { + informUserOfError(e); + } + } + } + + /** This method creates an extra updatable view to change some data + and trigger the listener of the GridEditor + */ + void changeSomeData(String xKey) + { + try + { + Object xOtherViewRoot = createUpdatableView(xKey); + + XNameReplace aReplace = UnoRuntime.queryInterface(XNameReplace.class, xOtherViewRoot); + + String aItemNames [] = aReplace.getElementNames(); + for (int i=0; i < aItemNames.length; ++i) { + Object aItem = aReplace.getByName( aItemNames [i] ); + // replace integers by a 'complement' value + if ( AnyConverter.isInt(aItem) ) + { + int nOld = AnyConverter.toInt(aItem); + int nNew = 9999 - nOld; + + System.out.println("Replacing integer value: " + aItemNames [i]); + aReplace.replaceByName( aItemNames [i], Integer.valueOf( nNew ) ); + } + + // and booleans by their negated value + else if ( AnyConverter.isBoolean(aItem) ) + { + boolean bOld = AnyConverter.toBoolean(aItem); + boolean bNew = ! bOld; + + System.out.println("Replacing boolean value: " + aItemNames [i]); + aReplace.replaceByName( aItemNames [i], Boolean.valueOf( bNew ) ); + } + } + + // commit the changes + XChangesBatch xUpdateControl = + UnoRuntime.queryInterface(XChangesBatch.class,xOtherViewRoot); + + xUpdateControl.commitChanges(); + + // we are done with the view - dispose it + UnoRuntime.queryInterface(XComponent.class, xOtherViewRoot).dispose(); + } + catch (Exception e) + { + System.err.println("Could not change some data in a different view. An exception occurred:"); + e.printStackTrace(); + } + } + +// GROUP RESET EXAMPLE + /// This method resets the grid settings to their default values + protected void resetGridConfiguration() + throws com.sun.star.uno.Exception + { + // The path to the root element + final String cGridOptionsPath = "/org.openoffice.Office.Calc/Grid"; + + // create the view + Object xViewRoot = createUpdatableView(cGridOptionsPath); + + // resetting a single nested value + XHierarchicalNameAccess xHierarchicalAccess = + UnoRuntime.queryInterface(XHierarchicalNameAccess.class, xViewRoot); + + // get using absolute name + Object xOptions = xHierarchicalAccess.getByHierarchicalName(cGridOptionsPath + "/Option"); + + XPropertyState xOptionState = + UnoRuntime.queryInterface(XPropertyState.class, xOptions); + + xOptionState.setPropertyToDefault("VisibleGrid"); + + // resetting more deeply nested values + Object xResolutionX = xHierarchicalAccess.getByHierarchicalName("Resolution/XAxis"); + Object xResolutionY = xHierarchicalAccess.getByHierarchicalName("Resolution/YAxis"); + + XPropertyState xResolutionStateX = + UnoRuntime.queryInterface(XPropertyState.class, xResolutionX); + XPropertyState xResolutionStateY = + UnoRuntime.queryInterface(XPropertyState.class, xResolutionY); + + xResolutionStateX.setPropertyToDefault("Metric"); + xResolutionStateY.setPropertyToDefault("Metric"); + + // resetting multiple sibling values + Object xSubdivision = xHierarchicalAccess.getByHierarchicalName("Subdivision"); + + XMultiPropertyStates xSubdivisionStates = + UnoRuntime.queryInterface(XMultiPropertyStates.class, xSubdivision); + + xSubdivisionStates.setAllPropertiesToDefault(); + + // commit the changes + XChangesBatch xUpdateControl = + UnoRuntime.queryInterface(XChangesBatch.class,xViewRoot); + + xUpdateControl.commitChanges(); + + // we are done with the view - dispose it + UnoRuntime.queryInterface(XComponent.class, xViewRoot).dispose(); + } + + +// SET UPDATE EXAMPLE + private static boolean SET_EXAMPLE_BROKEN_IN_THIS_RELEASE = true; + + /** This method stores a sample data source given some connection data. + + ATTENTION: This example requires an older version of the + org.openoffice.Office.DataAccess schema. + It does not work with the current schema. + Because of this, the method currently does nothing. + You can still use the techniques shown in the example code. + */ + void storeSampleDataSource() + throws com.sun.star.uno.Exception + { + if (SET_EXAMPLE_BROKEN_IN_THIS_RELEASE) + { + System.out.println("- DISABLED: (the existing example does not work with this version) -"); + return; // this function does not work + } + + String sSampleDataSourceName = "SampleTextDatabase"; + + String sSampleDataSourceURL = "sdbc:flat:$(userurl)/database/SampleTextDatabase"; + + com.sun.star.beans.NamedValue [] aSettings = new com.sun.star.beans.NamedValue [2]; + aSettings[0] = new com.sun.star.beans.NamedValue("HeaderLine",Boolean.TRUE); + aSettings[1] = new com.sun.star.beans.NamedValue("FieldDelimiter",";"); + + String [] aTableFilter = new String[] { "table.txt", "othertable.txt" }; + + storeDataSource(sSampleDataSourceName,sSampleDataSourceURL,"",false,0,aSettings,aTableFilter); + } + + /// This method stores a data source given some connection data + void storeDataSource( + String sDataSourceName, + String sDataSourceURL, + String sUser, + boolean bNeedsPassword, + int nTimeout, + com.sun.star.beans.NamedValue [] aDriverSettings, + String [] aTableFilter + ) + throws com.sun.star.uno.Exception + { + // create the view and get the data source element + Object xDataSource = createDataSourceDescription(getProvider(),sDataSourceName); + + // set the values + XPropertySet xDataSourceProperties = + UnoRuntime.queryInterface(XPropertySet.class, xDataSource); + + xDataSourceProperties.setPropertyValue("URL", sDataSourceURL ); + xDataSourceProperties.setPropertyValue("User", sUser ); + xDataSourceProperties.setPropertyValue("IsPasswordRequired", Boolean.valueOf( bNeedsPassword ) ); + xDataSourceProperties.setPropertyValue("LoginTimeout", Integer.valueOf( nTimeout ) ); + + if ( aTableFilter != null ) + xDataSourceProperties.setPropertyValue("TableFilter", aTableFilter ); + + // store the driver-specific settings + if (aDriverSettings != null) + { + Object xSettingsSet = xDataSourceProperties.getPropertyValue("DataSourceSettings"); + storeSettings( xSettingsSet, aDriverSettings); + } + + // save the data and dispose the view + // recover the view root + Object xViewRoot = getViewRoot(xDataSource); + + // commit the changes + XChangesBatch xUpdateControl = + UnoRuntime.queryInterface(XChangesBatch.class,xViewRoot); + + xUpdateControl.commitChanges(); + + // now clean up + UnoRuntime.queryInterface(XComponent.class, xViewRoot).dispose(); + } + + /** This method gets the DataSourceDescription for a data source. + It either gets the existing entry or creates a new instance. + */ + Object createDataSourceDescription(XMultiServiceFactory xProvider, String sDataSourceName ) + throws com.sun.star.uno.Exception + { + // The service name: Need an update access: + final String cUpdatableView = "com.sun.star.configuration.ConfigurationUpdateAccess"; + + // The path to the DataSources set node + final String cDataSourcesPath = "/org.openoffice.Office.DataAccess/DataSources"; + + // creation arguments: nodepath + com.sun.star.beans.PropertyValue aPathArgument = new com.sun.star.beans.PropertyValue(); + aPathArgument.Name = "nodepath"; + aPathArgument.Value = cDataSourcesPath ; + + Object[] aArguments = new Object[1]; + aArguments[0] = aPathArgument; + + // create the view + Object xViewRoot = + xProvider.createInstanceWithArguments(cUpdatableView, aArguments); + + XNameAccess xSetOfDataSources = + UnoRuntime.queryInterface(XNameAccess.class,xViewRoot); + + Object xDataSourceDescriptor = null; // the result + if ( xSetOfDataSources .hasByName( sDataSourceName )) + { + // the element is there + try + { + // the view should point to the element directly, so we need to extend the path + XHierarchicalName xComposePath = UnoRuntime.queryInterface(XHierarchicalName.class, xSetOfDataSources ); + + String sElementPath = xComposePath.composeHierarchicalName( sDataSourceName ); + + // use the name of the element now + aPathArgument.Value = sElementPath; + + // create another view now + Object[] aDeepArguments = new Object[1]; + aDeepArguments[0] = aPathArgument; + + // create the view + xDataSourceDescriptor = + xProvider.createInstanceWithArguments(cUpdatableView, aDeepArguments); + + if ( xDataSourceDescriptor != null) // all went fine + { + // dispose the other view + UnoRuntime.queryInterface(XComponent.class, xViewRoot).dispose(); + xViewRoot = null; + } + } + catch (Exception e) + { + // something went wrong, we retry with a new element + System.err.println("WARNING: An exception occurred while creating a view for an existing data source: " + e); + xDataSourceDescriptor = null; + } + } + + // do we have a result element yet ? + if ( xDataSourceDescriptor == null) + { + // get the container + XNameContainer xSetUpdate = + UnoRuntime.queryInterface(XNameContainer.class, xViewRoot); + + // create a new detached set element (instance of DataSourceDescription) + XSingleServiceFactory xElementFactory = + UnoRuntime.queryInterface(XSingleServiceFactory.class, xSetUpdate); + + // the new element is the result ! + xDataSourceDescriptor = xElementFactory.createInstance(); + + // insert it - this also names the element + xSetUpdate.insertByName( sDataSourceName , xDataSourceDescriptor ); + } + + return xDataSourceDescriptor ; + } + + /// this method stores a number of settings in a set node containing DataSourceSetting objects + void storeSettings(Object xSettingsSet, com.sun.star.beans.NamedValue [] aSettings ) + throws com.sun.star.uno.Exception + { + if (aSettings == null) + return; + + // get the settings set as a container + XNameContainer xSettingsContainer = + UnoRuntime.queryInterface( XNameContainer.class, xSettingsSet); + + // and get a factory interface for creating the entries + XSingleServiceFactory xSettingsFactory = + UnoRuntime.queryInterface(XSingleServiceFactory.class, xSettingsSet); + + // now insert the individual settings + for (int i = 0; i < aSettings.length; ++i) { + // create a DataSourceSetting object + XPropertySet xSetting = UnoRuntime.queryInterface( XPropertySet.class, xSettingsFactory.createInstance() ); + + // can set the value before inserting + xSetting.setPropertyValue( "Value", aSettings[i].Value ); + + // and now insert or replace as appropriate + if (xSettingsContainer.hasByName( aSettings[i].Name )) + xSettingsContainer.replaceByName( aSettings[i].Name, xSetting ); + else + xSettingsContainer.insertByName( aSettings[i].Name, xSetting ); + } + } + +// HELPER FUNCTIONS + + /// This method get the view root node given an interface to any node in the view + public static Object getViewRoot(Object xElement) + { + Object xResult = xElement; + + // set the result to its parent until that would be null + Object xParent; + do + { + XChild xParentAccess = + UnoRuntime.queryInterface(XChild.class,xResult); + + if (xParentAccess != null) + xParent = xParentAccess.getParent(); + else + xParent = null; + + if (xParent != null) + xResult = xParent; + } + while (xParent != null); + + return xResult; + } + +// workaround methods for unimplemented functionality + + /// WORKAROUND: does the same as xNamedItem.setName(sNewName) should do + void renameSetItem(XNamed xNamedItem, String sNewName) + throws com.sun.star.uno.Exception + { + XChild xChildItem = UnoRuntime.queryInterface(XChild.class, xNamedItem); + + XNameContainer xParentSet = UnoRuntime.queryInterface( XNameContainer.class, xChildItem.getParent() ); + + String sOldName = xNamedItem.getName(); + + // now rename the item + xParentSet.removeByName(sOldName); + xParentSet.insertByName(sNewName,xNamedItem); + } + + /// WORKAROUND: does the same as xChildItem.setParent( xNewParent ) should do + void moveSetItem(XChild xChildItem, XNameContainer xNewParent) + throws com.sun.star.uno.Exception + { + XNamed xNamedItem = UnoRuntime.queryInterface(XNamed.class, xChildItem); + + XNameContainer xOldParent = UnoRuntime.queryInterface( XNameContainer.class, xChildItem.getParent() ); + + String sItemName = xNamedItem.getName(); + + // now rename the item + xOldParent.removeByName(sItemName); + xNewParent.insertByName(sItemName,xChildItem); + } + + +// ------- the end ----------- +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |