feat: add support for the official Cloud Spanner JDBC driver

Former-commit-id: 366d0629

features/org.jkiss.dbeaver.db.feature/feature.xml

@@ -28,6 +28,7 @@
     <plugin id="org.jkiss.dbeaver.ext.athena" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.bigquery" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.clickhouse" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
+    <plugin id="org.jkiss.dbeaver.ext.cloudspanner" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.db2.zos" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.db2.i" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.derby" download-size="0" install-size="0" version="0.0.0" unpack="false"/>

features/org.jkiss.dbeaver.db.ui.feature/feature.xml

@@ -30,6 +30,7 @@
 
     <plugin id="org.jkiss.dbeaver.ext.athena.ui" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.bigquery.ui" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
+    <plugin id="org.jkiss.dbeaver.ext.cloudspanner.ui" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.spanner.ui" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.snowflake.ui" download-size="0" install-size="0" version="0.0.0" unpack="false"/>
     <plugin id="org.jkiss.dbeaver.ext.sqlite.ui" download-size="0" install-size="0" version="0.0.0" unpack="false"/>

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/META-INF/MANIFEST.MF

+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: %Bundle-Name
+Bundle-SymbolicName: org.jkiss.dbeaver.ext.cloudspanner.ui;singleton:=true
+Bundle-Version: 1.0.5.qualifier
+Bundle-Release-Date: 20200622
+Bundle-Activator: org.jkiss.dbeaver.ext.cloudspanner.ui.CloudSpannerActivator
+Require-Bundle: org.eclipse.ui,
+ org.jkiss.dbeaver.ui.editors.connection,
+ org.jkiss.dbeaver.model,
+ org.jkiss.dbeaver.ui,
+ org.jkiss.dbeaver.ext.cloudspanner
+Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-Vendor: %Bundle-Vendor
+Bundle-Localization: OSGI-INF/l10n/bundle
+Automatic-Module-Name: org.jkiss.dbeaver.ext.cloudspanner.ui

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/OSGI-INF/l10n/bundle.properties

+Bundle-Vendor = DBeaver Corp
+Bundle-Name = DBeaver Google Spanner UI
+
+spanner.dialog.connection.header=Google Spanner Connection Settings
\ No newline at end of file

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/OSGI-INF/l10n/bundle_de.properties

+spanner.dialog.connection.header=Google Spanner Verbindungseinstellungen
\ No newline at end of file

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/OSGI-INF/l10n/bundle_pt_BR.properties

+Bundle-Name = DBeaver Google UI
+Bundle-Vendor = DBeaver Corp
+
+spanner.dialog.connection.header = Google Spanner Configura\u00E7\u00F5es de conex\u00E3o

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/OSGI-INF/l10n/bundle_ru.properties

+spanner.dialog.connection.header=\u041D\u0430\u0441\u0442\u0440\u043E\u0439\u043A\u0438 \u043F\u043E\u0434\u043A\u043B\u044E\u0447\u0435\u043D\u0438\u044F Google Spanner

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/build.properties

+source.. = src/
+output.. = target/classes/
+bin.includes = plugin.xml,\
+               META-INF/,\
+               .,\
+               OSGI-INF/,\
+               icons/,\

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/plugin.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.2"?>
+
+<plugin>
+
+    <extension point="org.jkiss.dbeaver.dataSourceView">
+        <view
+                id="org.jkiss.dbeaver.ext.cloudspanner.dataSourceWizardView"
+                targetID="org.jkiss.dbeaver.ext.ui.newConnectionWizard"
+                dataSource="google_cloudspanner"
+                label="%spanner.dialog.connection.header"
+                class="org.jkiss.dbeaver.ext.cloudspanner.ui.views.CloudSpannerConnectionPage"
+                icon="platform:/plugin/org.jkiss.dbeaver.ext.cloudspanner/icons/spanner_icon.png">
+        </view>
+        <view
+                class="org.jkiss.dbeaver.ext.cloudspanner.ui.views.CloudSpannerConnectionPage"
+                icon="platform:/plugin/org.jkiss.dbeaver.ext.cloudspanner/icons/spanner_icon.png"
+                id="org.jkiss.dbeaver.ext.cloudspanner.dataSourceEditorView"
+                dataSource="google_cloudspanner"
+                label="%spanner.dialog.connection.header"
+                targetID="org.jkiss.dbeaver.ext.ui.editConnectionDialog">
+        </view>
+    </extension>
+
+</plugin>

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.jkiss.dbeaver</groupId>
+    <artifactId>plugins</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+     <relativePath>../</relativePath>
+  </parent>
+  <artifactId>org.jkiss.dbeaver.ext.cloudspanner.ui</artifactId>
+  <version>1.0.5-SNAPSHOT</version>
+  <packaging>eclipse-plugin</packaging>
+</project>

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/src/org/jkiss/dbeaver/ext/cloudspanner/ui/CloudSpannerActivator.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2020 DBeaver Corp and others
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.cloudspanner.ui;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class CloudSpannerActivator extends AbstractUIPlugin {
+
+    // The plug-in ID
+    public static final String PLUGIN_ID = "org.jkiss.dbeaver.ext.cloudspanner.ui";
+
+    // The shared instance
+    private static CloudSpannerActivator plugin;
+
+    public CloudSpannerActivator() {
+
+    }
+
+    @Override
+    public void start(BundleContext context) throws Exception {
+        super.start(context);
+        plugin = this;
+    }
+
+    @Override
+    public void stop(BundleContext context) throws Exception {
+        plugin = null;
+        super.stop(context);
+    }
+
+    public static CloudSpannerActivator getDefault() {
+        return plugin;
+    }
+
+    public static ImageDescriptor getImageDescriptor(String path) {
+        return imageDescriptorFromPlugin(PLUGIN_ID, path);
+    }
+}

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/src/org/jkiss/dbeaver/ext/cloudspanner/ui/internal/CloudSpannerMessages.java

+package org.jkiss.dbeaver.ext.cloudspanner.ui.internal;
+
+import org.eclipse.osgi.util.NLS;
+
+public class CloudSpannerMessages extends NLS {
+	private static final String BUNDLE_NAME = "org.jkiss.dbeaver.ext.cloudspanner.ui.internal.messages"; //$NON-NLS-1$
+
+	public static String label_connection;
+	public static String label_private_key_path;
+	public static String label_project;
+	public static String label_instance;
+	public static String label_database;
+	static {
+		// initialize resource bundle
+		NLS.initializeMessages(BUNDLE_NAME, CloudSpannerMessages.class);
+	}
+
+	private CloudSpannerMessages() {
+	}
+}

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/src/org/jkiss/dbeaver/ext/cloudspanner/ui/internal/messages.properties

+label_connection=Connection
+label_private_key_path=Private key path (p12 or JSON)
+label_project=Project
+label_instance=Instance
+label_database=Database
\ No newline at end of file

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/src/org/jkiss/dbeaver/ext/cloudspanner/ui/internal/messages_de.properties

+label_connection=Verbindung
+label_private_key_path=Privater Schl\u00fcsselpfad (p12 oder JSON)
+label_project=Projekt
+label_instance=Instanz
+label_database=Datenbank
\ No newline at end of file

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/src/org/jkiss/dbeaver/ext/cloudspanner/ui/internal/messages_ru.properties

+label_connection=\u0421\u043E\u0435\u0434\u0438\u043D\u0435\u043D\u0438\u0435
+label_private_key_path=\u041F\u0443\u0442\u044C \u043A \u0437\u0430\u043A\u0440\u044B\u0442\u043E\u043C\u0443 \u043A\u043B\u044E\u0447\u0443 (p12 \u0438\u043B\u0438 JSON)
+label_project=\u041F\u0440\u043E\u0435\u043A\u0442
+label_instance=\u042D\u043A\u0437\u0435\u043C\u043F\u043B\u044F\u0440
+label_database=\u0411\u0430\u0437\u0430 \u0434\u0430\u043D\u043D\u044B\u0445
\ No newline at end of file

plugins/org.jkiss.dbeaver.ext.cloudspanner.ui/src/org/jkiss/dbeaver/ext/cloudspanner/ui/views/CloudSpannerConnectionPage.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2020 DBeaver Corp and others
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.cloudspanner.ui.views;
+
+import org.eclipse.jface.dialogs.IDialogPage;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Text;
+import org.jkiss.dbeaver.Log;
+import org.jkiss.dbeaver.ext.cloudspanner.ui.CloudSpannerActivator;
+import org.jkiss.dbeaver.ext.cloudspanner.ui.internal.CloudSpannerMessages;
+import org.jkiss.dbeaver.ext.cloudspanner.model.CloudSpannerConstants;
+import org.jkiss.dbeaver.model.DBPDataSourceContainer;
+import org.jkiss.dbeaver.model.connection.DBPConnectionConfiguration;
+import org.jkiss.dbeaver.ui.ICompositeDialogPage;
+import org.jkiss.dbeaver.ui.UIUtils;
+import org.jkiss.dbeaver.ui.controls.TextWithOpenFile;
+import org.jkiss.dbeaver.ui.dialogs.connection.ConnectionPageAbstract;
+import org.jkiss.dbeaver.ui.dialogs.connection.DriverPropertiesDialogPage;
+import org.jkiss.utils.CommonUtils;
+
+/**
+ * CloudSpannerConnectionPage
+ */
+public class CloudSpannerConnectionPage extends ConnectionPageAbstract implements ICompositeDialogPage
+{
+    private static final Log log = Log.getLog(CloudSpannerConnectionPage.class);
+
+    private Text projectText;
+    private Text instanceText;
+    private Text databaseText;
+    private TextWithOpenFile privateKeyFile;
+
+    private static ImageDescriptor logoImage = CloudSpannerActivator.getImageDescriptor("icons/spanner_logo.png"); //$NON-NLS-1$
+    private DriverPropertiesDialogPage driverPropsPage;
+
+    public CloudSpannerConnectionPage() {
+        driverPropsPage = new DriverPropertiesDialogPage(this);
+    }
+
+    @Override
+    public void dispose()
+    {
+        super.dispose();
+    }
+
+    @Override
+    public void createControl(Composite composite)
+    {
+        setImageDescriptor(logoImage);
+
+        Composite settingsGroup = new Composite(composite, SWT.NONE);
+        settingsGroup.setLayout(new GridLayout(1, false));
+        settingsGroup.setLayoutData(new GridData(GridData.FILL_BOTH));
+        ModifyListener textListener = e -> site.updateButtons();
+
+        {
+            Composite addrGroup = UIUtils.createControlGroup(settingsGroup, CloudSpannerMessages.label_connection, 2, 0, 0);
+            addrGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+
+            projectText = UIUtils.createLabelText(addrGroup, CloudSpannerMessages.label_project, ""); //$NON-NLS-2$
+            projectText.setToolTipText("Cloud Spanner Project ID"); //$NON-NLS-1$
+            projectText.addModifyListener(textListener);
+
+            instanceText = UIUtils.createLabelText(addrGroup, CloudSpannerMessages.label_instance, ""); //$NON-NLS-2$
+            instanceText.setToolTipText("Cloud Spanner Instance ID"); //$NON-NLS-1$
+            instanceText.addModifyListener(textListener);
+
+            databaseText = UIUtils.createLabelText(addrGroup, CloudSpannerMessages.label_database, ""); //$NON-NLS-2$
+            databaseText.setToolTipText("Cloud Spanner Database ID"); //$NON-NLS-1$
+            databaseText.addModifyListener(textListener);
+
+            UIUtils.createControlLabel(addrGroup, CloudSpannerMessages.label_private_key_path);
+            privateKeyFile = new TextWithOpenFile(addrGroup, CloudSpannerMessages.label_private_key_path, new String[] { "*", "*.json" } ); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
+            GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.FILL_HORIZONTAL);
+            //gd.horizontalSpan = 3;
+            privateKeyFile.setLayoutData(gd);
+        }
+
+        createDriverPanel(settingsGroup);
+        setControl(settingsGroup);
+    }
+
+    @Override
+    public boolean isComplete()
+    {
+        return projectText != null && !CommonUtils.isEmpty(projectText.getText()) &&
+            instanceText != null && !CommonUtils.isEmpty(instanceText.getText()) &&
+            databaseText != null && !CommonUtils.isEmpty(databaseText.getText());
+    }
+
+    @Override
+    public void loadSettings()
+    {
+        super.loadSettings();
+
+        // Load values from new connection info
+        DBPConnectionConfiguration connectionInfo = site.getActiveDataSource().getConnectionConfiguration();
+        if (projectText != null) {
+            projectText.setText(CommonUtils.notEmpty(connectionInfo.getServerName()));
+        }
+        if (instanceText != null) {
+            instanceText.setText(CommonUtils.notEmpty(connectionInfo.getHostName()));
+        }
+        if (databaseText != null) {
+            databaseText.setText(CommonUtils.notEmpty(connectionInfo.getDatabaseName()));
+        }
+        if (privateKeyFile != null) {
+            privateKeyFile.setText(CommonUtils.notEmpty(connectionInfo.getProviderProperty(CloudSpannerConstants.DRIVER_PROP_CREDENTIALS_FILE)));
+        }
+    }
+
+    @Override
+    public void saveSettings(DBPDataSourceContainer dataSource)
+    {
+        DBPConnectionConfiguration connectionInfo = dataSource.getConnectionConfiguration();
+        if (projectText != null) {
+            connectionInfo.setServerName(projectText.getText().trim());
+        }
+        if (instanceText != null) {
+            connectionInfo.setHostName(instanceText.getText().trim());
+        }
+        if (databaseText != null) {
+            connectionInfo.setDatabaseName(databaseText.getText().trim());
+        }
+        if (privateKeyFile != null) {
+            connectionInfo.setProviderProperty(CloudSpannerConstants.DRIVER_PROP_CREDENTIALS_FILE, privateKeyFile.getText());
+        }
+        super.saveSettings(dataSource);
+    }
+
+    @Override
+    public IDialogPage[] getSubPages(boolean extrasOnly, boolean forceCreate)
+    {
+        return new IDialogPage[] {
+            driverPropsPage
+        };
+    }
+
+}

plugins/org.jkiss.dbeaver.ext.cloudspanner/META-INF/MANIFEST.MF

+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: DBeaver Cloud Spanner extension
+Bundle-SymbolicName: org.jkiss.dbeaver.ext.cloudspanner;singleton:=true
+Bundle-Version: 1.0.22.qualifier
+Bundle-Release-Date: 20200622
+Require-Bundle: org.jkiss.dbeaver.ext.generic
+Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-Vendor: DBeaver Corp
+Bundle-Localization: OSGI-INF/l10n/bundle
+Automatic-Module-Name: org.jkiss.dbeaver.ext.cloudspanner
+Export-Package: org.jkiss.dbeaver.ext.cloudspanner.model

plugins/org.jkiss.dbeaver.ext.cloudspanner/OSGI-INF/l10n/bundle.properties

+Bundle-Vendor = DBeaver Corp
+Bundle-Name = DBeaver Google Cloud Spanner Extension
+datasource.cloudspanner.description = Google Cloud Spanner Datasource
\ No newline at end of file

plugins/org.jkiss.dbeaver.ext.cloudspanner/build.properties

+source.. = src/
+output.. = target/classes/
+bin.includes = plugin.xml,\
+               META-INF/,\
+               OSGI-INF/,\
+               .,\
+               icons/

plugins/org.jkiss.dbeaver.ext.cloudspanner/plugin.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.2"?>
+
+<plugin>
+
+    <extension point="org.jkiss.dbeaver.dataSourceProvider">
+
+        <!-- Spanner -->
+
+        <datasource
+                class="org.jkiss.dbeaver.ext.cloudspanner.CloudSpannerDataSourceProvider"
+                description="%datasource.cloudspanner.description"
+                id="google_cloudspanner"
+                parent="generic"
+                label="Google Cloud Spanner"
+                icon="icons/spanner_icon.png"
+                dialect="cloudspanner">
+            <drivers managable="true">
+
+                <driver
+                        id="cloudspanner_jdbc"
+                        label="Google Cloud Spanner"
+                        icon="icons/spanner_icon.png"
+                        iconBig="icons/spanner_icon_big.png"
+                        class="com.google.cloud.spanner.jdbc.JdbcDriver"
+                        sampleURL="jdbc:cloudspanner:/projects/my-project/instances/my-instance/databases/my-database"
+                        defaultPort=""
+                        description="Google Cloud Spanner Open Source JDBC Driver"
+                        webURL="https://cloud.google.com/spanner/docs/use-oss-jdbc"
+                        categories="bigdata,cloud">
+                    <parameter name="omit-catalog" value="true"/>
+                    <parameter name="omit-schema" value="false"/>
+                    <file type="jar" path="maven:/com.google.cloud:google-cloud-spanner-jdbc:RELEASE"/>
+                </driver>
+
+            </drivers>
+
+        </datasource>
+    </extension>
+
+    <extension point="org.jkiss.dbeaver.sqlDialect">
+        <dialect id="cloudspanner" parent="generic" class="org.jkiss.dbeaver.ext.cloudspanner.model.CloudSpannerSQLDialect" label="Cloud Spanner" description="Google Spanner SQL dialect." icon="icons/spanner_icon.png">
+        </dialect>
+    </extension>
+
+
+
+</plugin>

plugins/org.jkiss.dbeaver.ext.cloudspanner/pom.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.jkiss.dbeaver</groupId>
+    <artifactId>plugins</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+     <relativePath>../</relativePath>
+  </parent>
+  <artifactId>org.jkiss.dbeaver.ext.cloudspanner</artifactId>
+  <version>1.0.22-SNAPSHOT</version>
+  <packaging>eclipse-plugin</packaging>
+</project>

plugins/org.jkiss.dbeaver.ext.cloudspanner/src/org/jkiss/dbeaver/ext/cloudspanner/CloudSpannerDataSourceProvider.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2020 DBeaver Corp and others
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.cloudspanner;
+
+import org.jkiss.code.NotNull;
+import org.jkiss.dbeaver.DBException;
+import org.jkiss.dbeaver.Log;
+import org.jkiss.dbeaver.ext.generic.GenericDataSourceProvider;
+import org.jkiss.dbeaver.ext.cloudspanner.model.CloudSpannerDataSource;
+import org.jkiss.dbeaver.ext.cloudspanner.model.CloudSpannerMetaModel;
+import org.jkiss.dbeaver.model.DBPDataSource;
+import org.jkiss.dbeaver.model.DBPDataSourceContainer;
+import org.jkiss.dbeaver.model.app.DBPPlatform;
+import org.jkiss.dbeaver.model.connection.DBPConnectionConfiguration;
+import org.jkiss.dbeaver.model.connection.DBPDriver;
+import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
+
+public class CloudSpannerDataSourceProvider extends GenericDataSourceProvider {
+
+    private static final Log log = Log.getLog(CloudSpannerDataSourceProvider.class);
+
+    public CloudSpannerDataSourceProvider()
+    {
+    }
+
+    @Override
+    public void init(@NotNull DBPPlatform platform) {
+
+    }
+
+    @NotNull
+    @Override
+    public DBPDataSource openDataSource(
+        @NotNull DBRProgressMonitor monitor,
+        @NotNull DBPDataSourceContainer container)
+        throws DBException
+    {
+        return new CloudSpannerDataSource(monitor, container, new CloudSpannerMetaModel());
+    }
+
+    @Override
+    public String getConnectionURL(DBPDriver driver, DBPConnectionConfiguration connectionInfo) {
+        StringBuilder url = new StringBuilder();
+        url.append("jdbc:cloudspanner:");
+        return url.toString();
+    }
+}

plugins/org.jkiss.dbeaver.ext.cloudspanner/src/org/jkiss/dbeaver/ext/cloudspanner/model/CloudSpannerConstants.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2020 DBeaver Corp and others
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.cloudspanner.model;
+
+/**
+ * Cloud Spanner constants
+ */
+public class CloudSpannerConstants {
+
+    public static final String DRIVER_PROP_CREDENTIALS_FILE = "credentials";
+
+}

plugins/org.jkiss.dbeaver.ext.cloudspanner/src/org/jkiss/dbeaver/ext/cloudspanner/model/CloudSpannerDataSource.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2020 DBeaver Corp and others
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.cloudspanner.model;
+
+import org.jkiss.dbeaver.DBException;
+import org.jkiss.dbeaver.ext.generic.model.GenericDataSource;
+import org.jkiss.dbeaver.model.DBPDataSourceContainer;
+import org.jkiss.dbeaver.model.connection.DBPConnectionConfiguration;
+import org.jkiss.dbeaver.model.connection.DBPDriver;
+import org.jkiss.dbeaver.model.exec.DBCException;
+import org.jkiss.dbeaver.model.impl.jdbc.JDBCExecutionContext;
+import org.jkiss.dbeaver.model.runtime.DBRProgressMonitor;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class CloudSpannerDataSource extends GenericDataSource {
+
+    public CloudSpannerDataSource(DBRProgressMonitor monitor, DBPDataSourceContainer container, CloudSpannerMetaModel metaModel)
+        throws DBException
+    {
+        super(monitor, container, metaModel, new CloudSpannerSQLDialect());
+    }
+
+    @Override
+	protected String getConnectionURL(DBPConnectionConfiguration connectionInfo) {
+		StringBuilder url = new StringBuilder(super.getConnectionURL(connectionInfo));
+		url.append("/projects/").append(connectionInfo.getServerName());
+		url.append("/instances/").append(connectionInfo.getHostName());
+		url.append("/databases/").append(connectionInfo.getDatabaseName());
+		return url.toString();
+	}
+
+	@Override
+    protected Map<String, String> getInternalConnectionProperties(DBRProgressMonitor monitor, DBPDriver driver, JDBCExecutionContext context, String purpose, DBPConnectionConfiguration connectionInfo) throws DBCException {
+        Map<String, String> props = new HashMap<>();
+        props.put(CloudSpannerConstants.DRIVER_PROP_CREDENTIALS_FILE, connectionInfo.getProviderProperty(CloudSpannerConstants.DRIVER_PROP_CREDENTIALS_FILE));
+
+        return props;
+    }
+
+}

plugins/org.jkiss.dbeaver.ext.cloudspanner/src/org/jkiss/dbeaver/ext/cloudspanner/model/CloudSpannerMetaModel.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2020 DBeaver Corp and others
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.cloudspanner.model;
+
+import org.jkiss.dbeaver.ext.generic.model.meta.GenericMetaModel;
+
+import java.util.regex.Pattern;
+
+/**
+ * Spanner meta model
+ */
+public class CloudSpannerMetaModel extends GenericMetaModel {
+
+    private Pattern ERROR_POSITION_PATTERN = Pattern.compile(" at \\[([0-9]+)\\:([0-9]+)\\]");
+
+    public CloudSpannerMetaModel() {
+    }
+    
+    // The default schema in Cloud Spanner is an empty string. This ensures that this
+    // default schema will be shown as 'DEFAULT' in DBeaver, and enables auto complete
+    // for tables and views in both the DEFAULT schema, as well as the INFORMATION_SCHEMA
+    // and SPANNER_SYS schemas.
+    public boolean supportsNullSchemas() {
+        return true;
+    }
+
+}

plugins/org.jkiss.dbeaver.ext.cloudspanner/src/org/jkiss/dbeaver/ext/cloudspanner/model/CloudSpannerSQLDialect.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2020 DBeaver Corp and others
+ *
+ * Licensed 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.
+ */
+package org.jkiss.dbeaver.ext.cloudspanner.model;
+
+import org.jkiss.dbeaver.ext.generic.model.GenericSQLDialect;
+
+/**
+ * Cloud Spanner dialect.
+ */
+public class CloudSpannerSQLDialect extends GenericSQLDialect {
+    public CloudSpannerSQLDialect() {
+        super("Cloud Spanner");
+    }
+}

plugins/pom.xml

@@ -24,6 +24,7 @@
         <module>org.jkiss.dbeaver.ext.athena</module>
         <module>org.jkiss.dbeaver.ext.bigquery</module>
         <module>org.jkiss.dbeaver.ext.clickhouse</module>
+        <module>org.jkiss.dbeaver.ext.cloudspanner</module>
         <module>org.jkiss.dbeaver.ext.db2</module>
         <module>org.jkiss.dbeaver.ext.db2.zos</module>
         <module>org.jkiss.dbeaver.ext.db2.i</module>
@@ -79,6 +80,7 @@
 
                 <module>org.jkiss.dbeaver.ext.athena.ui</module>
                 <module>org.jkiss.dbeaver.ext.bigquery.ui</module>
+                <module>org.jkiss.dbeaver.ext.cloudspanner.ui</module>
                 <module>org.jkiss.dbeaver.ext.exasol.ui</module>
                 <module>org.jkiss.dbeaver.ext.db2.ui</module>
 

product/debug/DBeaver.product.launch

@@ -230,6 +230,8 @@
         <setEntry value="org.jkiss.dbeaver.ext.bigquery.ui@default:default"/>
         <setEntry value="org.jkiss.dbeaver.ext.bigquery@default:default"/>
         <setEntry value="org.jkiss.dbeaver.ext.clickhouse@default:default"/>
+        <setEntry value="org.jkiss.dbeaver.ext.cloudspanner.ui@default:default"/>
+        <setEntry value="org.jkiss.dbeaver.ext.cloudspanner@default:default"/>
         <setEntry value="org.jkiss.dbeaver.ext.db2.i@default:default"/>
         <setEntry value="org.jkiss.dbeaver.ext.db2.ui@default:default"/>
         <setEntry value="org.jkiss.dbeaver.ext.db2.zos@default:default"/>