Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 184 insertions, 0 deletions

diff --git a/odk/examples/DevelopersGuide/Forms/HsqlDatabase.java b/odk/examples/DevelopersGuide/Forms/HsqlDatabase.java
new file mode 100644
index 000000000..fd2cd6ccf
--- /dev/null
+++ b/odk/examples/DevelopersGuide/Forms/HsqlDatabase.java
@@ -0,0 +1,184 @@
+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+import com.sun.star.beans.PropertyValue;
+import com.sun.star.beans.XPropertySet;
+import com.sun.star.container.XNameAccess;
+import com.sun.star.frame.XStorable;
+import com.sun.star.sdb.XOfficeDatabaseDocument;
+import com.sun.star.sdbc.SQLException;
+import com.sun.star.sdbc.XCloseable;
+import com.sun.star.sdbc.XConnection;
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.sdb.XDocumentDataSource;
+import com.sun.star.sdbc.XDataSource;
+import com.sun.star.uno.XComponentContext;
+import java.io.File;
+
+import com.sun.star.util.CloseVetoException;
+
+public class HsqlDatabase
+{
+    private XComponentContext       m_context;
+    // the URL of the temporary file used for the database document
+    private String                  m_databaseDocumentFile;
+    // the database document
+    private XOfficeDatabaseDocument m_databaseDocument;
+    // the data source belonging to the database document
+    // the default connection
+    private XConnection             m_connection;
+
+
+    public HsqlDatabase( XComponentContext _context ) throws Exception
+    {
+        m_context = _context;
+        createDBDocument();
+    }
+
+
+    public HsqlDatabase( XComponentContext _context, String _existingDocumentURL ) throws Exception
+    {
+        m_context = _context;
+        createDBDocument( _existingDocumentURL );
+    }
+
+
+    private void createDBDocument( String _docURL ) throws Exception
+    {
+        m_databaseDocumentFile = _docURL;
+
+        XNameAccess dbContext = UnoRuntime.queryInterface( XNameAccess.class,
+            m_context.getServiceManager().createInstanceWithContext( "com.sun.star.sdb.DatabaseContext", m_context ) );
+        XDocumentDataSource dataSource = UnoRuntime.queryInterface( XDocumentDataSource.class,
+            dbContext.getByName( _docURL ) );
+
+        m_databaseDocument = dataSource.getDatabaseDocument();
+    }
+
+    /** creates an empty database document in a temporary location
+     */
+    private void createDBDocument() throws Exception
+    {
+        File documentFile = File.createTempFile("testdb",".odb");
+        documentFile.deleteOnExit();
+        m_databaseDocumentFile = URLHelper.getFileURLFromSystemPath( documentFile );
+
+        m_databaseDocument = UnoRuntime.queryInterface(
+            XOfficeDatabaseDocument.class, m_context.getServiceManager().createInstanceWithContext(
+                "com.sun.star.sdb.OfficeDatabaseDocument", m_context ) );
+
+        XPropertySet dsProperties = UnoRuntime.queryInterface( XPropertySet.class, m_databaseDocument.getDataSource() );
+        dsProperties.setPropertyValue("URL", "sdbc:embedded:hsqldb");
+
+        XStorable storable = UnoRuntime.queryInterface( XStorable.class, m_databaseDocument );
+        storable.storeAsURL( m_databaseDocumentFile, new PropertyValue[]{} );
+    }
+
+    /** closes the database document
+     *
+     *  Any CloseVetoExceptions fired by third parties are ignored, and any reference to the
+     *  database document is released.
+     */
+    private void close()
+    {
+        // close connection
+        XCloseable closeConn = UnoRuntime.queryInterface( XCloseable.class,
+            m_connection );
+        if ( closeConn != null )
+        {
+            try
+            {
+                closeConn.close();
+            }
+            catch( SQLException e )
+            {
+            }
+        }
+        m_connection = null;
+
+        // close document
+        com.sun.star.util.XCloseable closeDoc = UnoRuntime.queryInterface(
+            com.sun.star.util.XCloseable.class, m_databaseDocument );
+        if ( closeDoc != null )
+        {
+            try
+            {
+                closeDoc.close( true );
+            }
+            catch( CloseVetoException e )
+            {
+            }
+        }
+        m_databaseDocument = null;
+    }
+
+    /** closes the document, and deletes the underlying file
+     */
+    private void closeAndDelete()
+    {
+        close();
+
+        if ( m_databaseDocumentFile != null )
+        {
+            try
+            {
+                File file = new File(m_databaseDocumentFile);
+                file.delete();
+            }
+            catch(Exception e)
+            {
+            }
+            m_databaseDocumentFile = null;
+        }
+    }
+
+    /** returns the underlying database document
+    */
+    public XOfficeDatabaseDocument getDatabaseDocument()
+    {
+        return m_databaseDocument;
+    }
+
+    /** returns the associated data source
+     */
+    public XDataSource getDataSource()
+    {
+        return m_databaseDocument.getDataSource();
+    }
+
+
+
+    /** returns the URL of the ODB document represented by this instance
+     */
+    public String getDocumentURL()
+    {
+        return m_databaseDocumentFile;
+    }
+
+
+
+    @Override
+    protected void finalize() throws Throwable
+    {
+        closeAndDelete();
+        super.finalize();
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */