diff options
| author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2008-11-13 20:02:36 +0000 |
|---|---|---|
| committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2008-11-13 20:02:36 +0000 |
| commit | 4ed0ed906e82c9484b384419fa4ef4c980768731 (patch) | |
| tree | e0250b6d10349e29522a2b1667d2e1db4d9dab84 /branches/sca-java-1.x/modules/implementation-data-xml/src/main/java | |
| parent | ba73f8abcef884936f965c3085b80485bf2b5e1a (diff) | |
Creating Java SCA 1.x branch
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@713805 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'branches/sca-java-1.x/modules/implementation-data-xml/src/main/java')
11 files changed, 1676 insertions, 0 deletions
diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATA.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATA.java new file mode 100644 index 0000000000..3ce96e58da --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATA.java @@ -0,0 +1,64 @@ +/*
+ * 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.
+ */
+package org.apache.tuscany.sca.implementation.data;
+
+import javax.xml.stream.XMLStreamReader;
+
+/**
+ * The service interface of a DAS service provided by DAS components.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface DATA {
+
+ /**
+ * Retrieve the Database table contents If a id is given, the results will
+ * be filtered to a matching row
+ *
+ * @param id The PK that identifies the row on the table
+ * @return The row content in XML format
+ */
+ XMLStreamReader get(String id);
+
+ /**
+ * Insert new content in the Database
+ *
+ * @param insertStream The insertion in XML format
+ * @return The number of rows affected
+ */
+ int insert(XMLStreamReader insertStream);
+
+ /**
+ * Update the Database table contents
+ *
+ * @param updateStream The updates in XML format
+ * @return The number of rows affected
+ */
+ int update(XMLStreamReader updateStream);
+
+ /**
+ * Delete the Database table contents If a id is given, only a specific row
+ * will be deleted
+ *
+ * @param id The PK that identifies the row on the table
+ * @return The number of rows affected
+ */
+ int delete(String id);
+
+}
diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATACollection.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATACollection.java new file mode 100644 index 0000000000..1dc5673fe5 --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATACollection.java @@ -0,0 +1,28 @@ +/* + * 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. + */ + +package org.apache.tuscany.sca.implementation.data; + +import javax.xml.stream.XMLStreamReader; + +import org.apache.tuscany.sca.data.collection.Collection; + +public interface DATACollection extends Collection<String, XMLStreamReader> { + +} diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java new file mode 100644 index 0000000000..a50ad89b64 --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementation.java @@ -0,0 +1,161 @@ +/*
+ * 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.
+ */
+package org.apache.tuscany.sca.implementation.data;
+
+import java.sql.Connection;
+import java.sql.DatabaseMetaData;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.assembly.ConstrainingType;
+import org.apache.tuscany.sca.assembly.Implementation;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.assembly.Reference;
+import org.apache.tuscany.sca.assembly.Service;
+import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
+import org.apache.tuscany.sca.implementation.data.jdbc.JDBCHelper;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceContract;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+
+/**
+ * The model representing a sample DATA implementation in an SCA assembly model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DATAImplementation implements Implementation {
+ private AssemblyFactory assemblyFactory;
+ private JavaInterfaceFactory javaFactory;
+
+ private ConnectionInfo connectionInfo;
+ private List<Service> services = new ArrayList<Service>();
+
+ /**
+ * Constructs a new DAS implementation.
+ */
+ public DATAImplementation(AssemblyFactory assemblyFactory,
+ JavaInterfaceFactory javaFactory) {
+
+ // DATA implementation provides one service per database table
+ // exposing the DATA interface, and have no references and properties
+ this.assemblyFactory = assemblyFactory;
+ this.javaFactory = javaFactory;
+ }
+
+ private void introspectServices( AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory) {
+ Connection connection = null;
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ DatabaseMetaData databaseMetaData = connection.getMetaData();
+ ResultSet tables = databaseMetaData.getTables(null, null, "%", null);
+ while(tables.next()) {
+ //create the SCA service for the table
+ Service dataService = assemblyFactory.createService();
+ Service dataCollectionService = assemblyFactory.createService();
+
+ dataService.setName(tables.getString(3)+"_DATA");
+ dataCollectionService.setName(tables.getString(3));
+
+ JavaInterface dataInterface;
+ JavaInterface dataCollectionInterface;
+
+ try {
+ dataInterface = javaFactory.createJavaInterface(DATA.class);
+ dataCollectionInterface = javaFactory.createJavaInterface(DATACollection.class);
+ } catch (InvalidInterfaceException e) {
+ throw new IllegalArgumentException(e);
+ }
+ JavaInterfaceContract dataInterfaceContract = javaFactory.createJavaInterfaceContract();
+ JavaInterfaceContract dataCollectionInterfaceContract = javaFactory.createJavaInterfaceContract();
+
+ dataInterfaceContract.setInterface(dataInterface);
+ dataCollectionInterfaceContract.setInterface(dataCollectionInterface);
+
+ dataService.setInterfaceContract(dataInterfaceContract);
+ dataCollectionService.setInterfaceContract(dataCollectionInterfaceContract);
+
+ services.add(dataService);
+ services.add(dataCollectionService);
+
+ }
+ } catch(SQLException e) {
+
+ } finally {
+ JDBCHelper.cleanupResources(connection, null, null);
+ }
+ }
+
+ public ConnectionInfo getConnectionInfo() {
+ return this.connectionInfo;
+ }
+
+ public void setConnectionInfo(ConnectionInfo connectionInfo) {
+ this.connectionInfo = connectionInfo;
+ }
+
+ public ConstrainingType getConstrainingType() {
+ // The sample DATA implementation does not support constrainingTypes
+ return null;
+ }
+
+ public List<Property> getProperties() {
+ // The sample DATA implementation does not support properties
+ return Collections.emptyList();
+ }
+
+ public List<Service> getServices() {
+ if(services == null || services.size() == 0) {
+ introspectServices(assemblyFactory, javaFactory);
+ }
+ return services;
+ }
+
+ public List<Reference> getReferences() {
+ // The sample DATA implementation does not support references
+ return Collections.emptyList();
+ }
+
+ public String getURI() {
+ // The sample DATA implementation does not have a URI
+ return null;
+ }
+
+ public void setConstrainingType(ConstrainingType constrainingType) {
+ // The sample DATA implementation does not support constrainingTypes
+ }
+
+ public void setURI(String uri) {
+ // The sample DATA implementation does not have a URI
+ }
+
+ public boolean isUnresolved() {
+ // The sample DATA implementation is always resolved
+ return false;
+ }
+
+ public void setUnresolved(boolean unresolved) {
+ // The sample DATA implementation is always resolved
+ }
+}
diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationFactory.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationFactory.java new file mode 100644 index 0000000000..d4cf816dbf --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationFactory.java @@ -0,0 +1,44 @@ +/*
+ * 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.
+ */
+
+package org.apache.tuscany.sca.implementation.data;
+
+import org.apache.tuscany.sca.assembly.AssemblyFactory;
+import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
+
+/**
+ * A default factory for the DATA implementation model.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DATAImplementationFactory {
+
+ private AssemblyFactory assemblyFactory;
+ private JavaInterfaceFactory javaFactory;
+
+ public DATAImplementationFactory(AssemblyFactory assemblyFactory, JavaInterfaceFactory javaFactory) {
+ this.assemblyFactory = assemblyFactory;
+ this.javaFactory = javaFactory;
+ }
+
+ public DATAImplementation createDASImplementation() {
+ return new DATAImplementation(assemblyFactory, javaFactory);
+ }
+
+}
diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationProcessor.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationProcessor.java new file mode 100644 index 0000000000..16c5a370ec --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/DATAImplementationProcessor.java @@ -0,0 +1,132 @@ +/* + * 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. + */ +package org.apache.tuscany.sca.implementation.data; + +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.xml.Constants; +import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; +import org.apache.tuscany.sca.contribution.service.ContributionWriteException; +import org.apache.tuscany.sca.data.engine.ConnectionInfoArtifactProcessor; +import org.apache.tuscany.sca.data.engine.config.ConnectionInfo; +import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory; +import org.apache.tuscany.sca.monitor.Monitor; + + +/** + * Implements a StAX artifact processor for DATA implementations. + * + * The artifact processor is responsible for processing <implementation.data> + * elements in SCA assembly XML composite files and populating the DATA + * implementation model, resolving its references to other artifacts in the SCA + * contribution, and optionally write the model back to SCA assembly XML. + * + * @version $Rev$ $Date$ + */ +public class DATAImplementationProcessor implements StAXArtifactProcessor<DATAImplementation> { + protected static final QName IMPLEMENTATION_DATA_XML = new QName(Constants.SCA10_TUSCANY_NS, "implementation.data.xml"); + + private DATAImplementationFactory dataFactory; + private Monitor monitor; + private StAXArtifactProcessor<ConnectionInfo> connectionInfoProcessor; + + public DATAImplementationProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + JavaInterfaceFactory javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class); + this.monitor = monitor; + this.dataFactory = new DATAImplementationFactory(assemblyFactory, javaFactory); + this.connectionInfoProcessor = new ConnectionInfoArtifactProcessor(modelFactories, this.monitor); + } + + public QName getArtifactType() { + // Returns the qname of the XML element processed by this processor + return IMPLEMENTATION_DATA_XML; + } + + public Class<DATAImplementation> getModelType() { + // Returns the type of model processed by this processor + return DATAImplementation.class; + } + + /* + * <component name="CompanyDataComponent"> + * <implementation.data.xml> + * <connectionInfo> + * <connectionProperties + * driverClass="org.apache.derby.jdbc.EmbeddedDriver" + * databaseURL="jdbc:derby:target/test-classes/dastest; create = true" + * loginTimeout="600000"/> + * </connectionInfo> + * </implementation.data> + * </component> + */ + public DATAImplementation read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { + assert IMPLEMENTATION_DATA_XML.equals(reader.getName()); + + // Read an <implementation.data.xml> element + + // Create an initialize the DAS implementation model + DATAImplementation implementation = dataFactory.createDASImplementation(); + + while (true) { + int event = reader.next(); + switch (event) { + + case START_ELEMENT: + if (ConnectionInfoArtifactProcessor.CONNECTION_INFO.equals(reader.getName())) { + + // Read connection info + ConnectionInfo connectionInfo = (ConnectionInfo) connectionInfoProcessor.read(reader); + implementation.setConnectionInfo(connectionInfo); + } + break; + case XMLStreamConstants.END_ELEMENT: + if (IMPLEMENTATION_DATA_XML.equals(reader.getName())) { + return implementation; + } + break; + } + } + + } + + public void resolve(DATAImplementation impl, ModelResolver resolver) throws ContributionResolveException { + } + + public void write(DATAImplementation implementation, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + writer.writeStartElement(IMPLEMENTATION_DATA_XML.getNamespaceURI(), IMPLEMENTATION_DATA_XML.getLocalPart()); + + if (implementation.getConnectionInfo() != null) { + connectionInfoProcessor.write(implementation.getConnectionInfo(), writer); + } + + writer.writeEndElement(); + } +} diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java new file mode 100644 index 0000000000..265f250717 --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCHelper.java @@ -0,0 +1,215 @@ +/* + * 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. + */ + +package org.apache.tuscany.sca.implementation.data.jdbc; + +import java.sql.Connection; +import java.sql.DriverManager; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.Properties; + +import javax.naming.InitialContext; +import javax.naming.NamingException; +import javax.sql.DataSource; + +import org.apache.tuscany.das.rdb.exception.DataSourceInitializationException; +import org.apache.tuscany.sca.data.engine.config.ConnectionInfo; + +/** + * JDBC Helper + * - JDBC Connection utility methods + * - JDBC Resource cleanup methods + * + * @version $Rev$ $Date$ + */ +public class JDBCHelper { + + /** + * protected constructor + */ + protected JDBCHelper() { + + } + + /** + * + * @param connectionInfo + * @return + */ + public static Connection getConnection(ConnectionInfo connectionInfo) { + if (connectionInfo.getDataSource() == null && connectionInfo.getConnectionProperties() == null) { + throw new IllegalArgumentException("Not enough information to create Database Connection."); + } + + if(connectionInfo.getDataSource() != null && connectionInfo.getConnectionProperties() != null) { + throw new IllegalArgumentException("Use either dataSource or ConnectionProperties. Can't use both !"); + } + + if(connectionInfo.getDataSource() != null) { + return getDataSourceConnection(connectionInfo); + } else { + return getDriverManagerConnection(connectionInfo); + } + } + + /** + * Initializes a DB connection on a managed environment (e.g inside Tomcat) + * + * @param connectionInfo + * @return + */ + private static Connection getDataSourceConnection(ConnectionInfo connectionInfo) { + Connection connection = null; + + InitialContext ctx; + try { + ctx = new InitialContext(); + } catch (NamingException e) { + throw new RuntimeException(e); + } + try { + DataSource ds = (DataSource) ctx.lookup(connectionInfo.getDataSource()); + try { + connection = ds.getConnection(); + if (connection == null) { + throw new RuntimeException("Could not obtain a Connection from DataSource"); + } + connection.setAutoCommit(false); + } catch (SQLException e) { + throw new RuntimeException(e); + } + } catch (NamingException e) { + throw new RuntimeException(e); + } + + return connection; + } + + /** + * Initialize a DB connection on a J2SE environment + * For more info, see http://java.sun.com/j2se/1.3/docs/guide/jdbc/getstart/drivermanager.html + * + * @param connectionInfo + * @return + */ + private static Connection getDriverManagerConnection(ConnectionInfo connectionInfo) { + Connection connection = null; + + if (connectionInfo.getConnectionProperties() == null) { + throw new RuntimeException("No existing context and no connection properties"); + } + + if (connectionInfo.getConnectionProperties().getDriverClass() == null) { + throw new RuntimeException("No jdbc driver class specified!"); + } + + try { + Properties p = System.getProperties(); + p.put("derby.system.home", "target"); + + //initialize driver and register it with DriverManager + Class.forName(connectionInfo.getConnectionProperties().getDriverClass()); + + //prepare to initialize connection + String databaseUrl = connectionInfo.getConnectionProperties().getDatabaseURL(); + String userName = connectionInfo.getConnectionProperties().getUsername(); + String userPassword = connectionInfo.getConnectionProperties().getPassword(); + int loginTimeout = connectionInfo.getConnectionProperties().getLoginTimeout(); + + DriverManager.setLoginTimeout(loginTimeout); + if( (userName == null || userName.length() ==0) && (userPassword == null || userPassword.length()==0) ){ + //no username or password supplied + connection = DriverManager.getConnection(databaseUrl); + }else{ + connection = DriverManager.getConnection(databaseUrl, userName, userPassword); + } + + if(connection == null){ + throw new DataSourceInitializationException("Error initializing connection : null"); + } + + //FIXME we should make this flexible, we can't autocommit when participating in transactions + connection.setAutoCommit(true); + + }catch(ClassNotFoundException cnf){ + throw new DataSourceInitializationException("JDBC Driver '" + connectionInfo.getConnectionProperties().getDriverClass() + "' not found", cnf); + }catch(SQLException sqle){ + throw new DataSourceInitializationException(sqle.getMessage(), sqle); + } + + return connection; + } + + /** + * Cleanup and close all JDBC resources in the proper order and ignoring erros + * @param connection The connection to be closed + * @param queryStatement The statement to be closed + * @param resultSet The ResultSet to be closed + */ + public static void cleanupResources(Connection connection, PreparedStatement queryStatement, ResultSet resultSet) { + cleanupResultSet(resultSet); + cleanupPreparedStatement(queryStatement); + cleanupConnection(connection); + } + + /** + * Proper cleanup the ResultSet + * @param resultSet + */ + private static void cleanupResultSet(ResultSet resultSet) { + if (resultSet != null) { + try { + resultSet.close(); + } catch (SQLException e) { + // We should log the error. Since we're trying to close, we don't re-throw. + } + } + } + + /** + * Proper cleanup the prepared statement + * @param queryStatement + */ + private static void cleanupPreparedStatement(PreparedStatement queryStatement) { + if (queryStatement != null) { + try { + queryStatement.close(); + } catch (SQLException e) { + // We should log the error. Since we're trying to close, we don't re-throw. + } + } + } + + /** + * proper cleanup the connection + * @param connection + */ + private static void cleanupConnection(Connection connection) { + if (connection != null) { + try { + connection.close(); + } catch (SQLException e) { + // We should log the error. Since we're trying to close, we don't re-throw. + } + } + } + +} diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCResultSetStreamReader.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCResultSetStreamReader.java new file mode 100644 index 0000000000..316330243b --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/JDBCResultSetStreamReader.java @@ -0,0 +1,53 @@ +/* + * 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. + */ + +package org.apache.tuscany.sca.implementation.data.jdbc; + +import java.sql.ResultSet; +import java.sql.SQLException; + +import javax.xml.stream.XMLStreamException; + +import org.apache.tuscany.sca.databinding.xml.XmlTreeStreamReaderImpl; + +/** + * JDBCResultSetStreamReader perform streaming of database tables as XML + * + * @version $Rev$ $Date$ + */ +public class JDBCResultSetStreamReader extends XmlTreeStreamReaderImpl { + private ResultSet resultSet; + + /** + * @param root + */ + public JDBCResultSetStreamReader(ResultSet resultSet) { + super(new ResultSetXmlNodeImpl(resultSet)); + this.resultSet = resultSet; + } + + @Override + public void close() throws XMLStreamException { + try { + resultSet.close(); + } catch (SQLException e) { + } + } +} + diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java new file mode 100644 index 0000000000..576fe5605d --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java @@ -0,0 +1,251 @@ +/* + * 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. + */ + +package org.apache.tuscany.sca.implementation.data.jdbc; + +import java.sql.ResultSet; +import java.sql.ResultSetMetaData; +import java.sql.SQLException; +import java.util.Arrays; +import java.util.Collections; +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.databinding.xml.SimpleXmlNodeImpl; +import org.apache.tuscany.sca.databinding.xml.XmlNode; + +/** + * @version $Rev$ $Date$ + */ +public class ResultSetXmlNodeImpl implements XmlNode { + private static final String NS = ""; + private static final QName RESULT_SET = new QName(NS, "resultSet"); + private static final QName RECORD = new QName(NS, "record"); + private static final QName COLUMN = new QName(NS, "column"); + private static final QName NAME = new QName(NS, "name"); + + private ResultSet resultSet; + private String[] columnNames; + + /** + * @param resultSet + */ + public ResultSetXmlNodeImpl(ResultSet resultSet) { + super(); + this.resultSet = resultSet; + try { + ResultSetMetaData metaData = resultSet.getMetaData(); + columnNames = new String[metaData.getColumnCount()]; + for (int i = 0; i < columnNames.length; i++) { + columnNames[i] = metaData.getColumnName(i + 1); + } + } catch (SQLException e) { + throw new IllegalStateException(e); + } + } + + /** + * @see org.apache.tuscany.sca.databinding.xml.XmlNode#attributes() + */ + public List<XmlNode> attributes() { + return Collections.emptyList(); + } + + public Type getType() { + return Type.ELEMENT; + } + + + /** + * @see org.apache.tuscany.sca.databinding.xml.XmlNode#children() + */ + public Iterator<XmlNode> children() { + return new ResultSetIteraror(); + } + + private class ResultSetIteraror implements Iterator<XmlNode> { + private Boolean hasNext; + + public ResultSetIteraror() { + } + + public boolean hasNext() { + try { + if (hasNext == null) { + hasNext = resultSet.next(); + } + return hasNext; + } catch (SQLException e) { + throw new IllegalStateException(e); + } + } + + public XmlNode next() { + hasNext(); + hasNext = null; + return new RecordXmlNodeImpl(); + } + + public void remove() { + } + } + + /** + * @see org.apache.tuscany.sca.databinding.xml.XmlNode#getName() + */ + public QName getName() { + return RESULT_SET; + } + + /** + * @see org.apache.tuscany.sca.databinding.xml.XmlNode#getValue() + */ + public String getValue() { + return null; + } + + /** + * @see org.apache.tuscany.sca.databinding.xml.XmlNode#namespaces() + */ + public Map<String, String> namespaces() { + return Collections.emptyMap(); + } + + private class RecordXmlNodeImpl extends XmlNodeImpl { + int index = 0; + + @Override + public Iterator<XmlNode> children() { + return new Iterator<XmlNode>() { + + public boolean hasNext() { + return index < columnNames.length; + } + + public XmlNode next() { + return new ColumnXmlNodeImpl(index++); + } + + public void remove() { + } + + }; + } + + @Override + public QName getName() { + return RECORD; + } + + } + + private class ColumnXmlNodeImpl extends XmlNodeImpl { + private int index; + + /** + * @param index + */ + public ColumnXmlNodeImpl(int index) { + super(); + this.index = index; + } + + @Override + public List<XmlNode> attributes() { + XmlNode attr = new SimpleXmlNodeImpl(NAME, columnNames[index], XmlNode.Type.ATTRIBUTE); + return Arrays.asList(attr); + } + + @Override + public Iterator<XmlNode> children() { + XmlNode[] nodes = {new ValueXmlNodeImpl(index)}; + return Arrays.asList(nodes).iterator(); + } + + @Override + public QName getName() { + return COLUMN; + } + + } + + private class ValueXmlNodeImpl extends XmlNodeImpl { + private int index; + + /** + * @param index + */ + public ValueXmlNodeImpl(int index) { + super(); + this.index = index; + } + + @Override + public String getValue() { + try { + return String.valueOf(resultSet.getObject(index + 1)); + } catch (SQLException e) { + throw new IllegalStateException(e); + } + } + + @Override + public Type getType() { + return Type.CHARACTERS; + } + + } + + private static abstract class XmlNodeImpl implements XmlNode { + + public List<XmlNode> attributes() { + return Collections.emptyList(); + } + + public Iterator<XmlNode> children() { + return null; + } + + public QName getName() { + return null; + } + + public String getValue() { + return null; + } + + public boolean isLeaf() { + return false; + } + + public Map<String, String> namespaces() { + return Collections.emptyMap(); + } + + public Type getType() { + return Type.ELEMENT; + } + + } + + +} diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAImplementationProvider.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAImplementationProvider.java new file mode 100644 index 0000000000..bbd963922c --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAImplementationProvider.java @@ -0,0 +1,98 @@ +/*
+ * 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.
+ */
+package org.apache.tuscany.sca.implementation.data.provider;
+
+import org.apache.tuscany.sca.implementation.data.DATAImplementation;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+import org.apache.tuscany.sca.runtime.RuntimeComponentService;
+
+/**
+ * DATA Implementation provider
+ *
+ * @version $Rev$ $Date$
+ */
+public class DATAImplementationProvider implements ImplementationProvider {
+ //private RuntimeComponent component;
+ private DATAImplementation implementation;
+
+ /**
+ * Constructs a new DATA implementation.
+ */
+ public DATAImplementationProvider(RuntimeComponent component, DATAImplementation implementation) {
+ //this.component = component;
+ this.implementation = implementation;
+ }
+
+ public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
+ String operationName = operation.getName();
+ String tableName = service.getName();
+
+ String interfaceFullName = operation.getInterface().toString();
+ int index = interfaceFullName.lastIndexOf(".") + 1;
+ String interfaceName = interfaceFullName.substring(index, interfaceFullName.length());
+
+ if (interfaceName.equals("DATACollection")) {
+
+ if (operationName.equals("getAll")) {
+ return new DATAInvoker.GetAllInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("query")) {
+ return new DATAInvoker.QueryInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("post")) {
+ return new DATAInvoker.PostInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("get")) {
+ return new DATAInvoker.GetInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("put")) {
+ return new DATAInvoker.PutInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("delete")) {
+ return new DATAInvoker.DeleteInvoker(operation, implementation.getConnectionInfo(), tableName);
+ }
+
+ } else if (interfaceName.equals("DATA")) {
+
+ tableName = tableName.split("_")[0];
+
+ if (operationName.equals("get")) {
+ return new DATAInvoker.GetDATAInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("insert")) {
+ return new DATAInvoker.InsertDATAInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("update")) {
+ return new DATAInvoker.UpdateDATAInvoker(operation, implementation.getConnectionInfo(), tableName);
+ } else if (operationName.equals("delete")) {
+ return new DATAInvoker.DeleteDATAInvoker(operation, implementation.getConnectionInfo(), tableName);
+ }
+ }
+
+ return new DATAInvoker(operation, implementation.getConnectionInfo(), tableName);
+ }
+
+ public boolean supportsOneWayInvocation() {
+ return false;
+ }
+
+ public void start() {
+ // System.out.println("Starting " + component.getName());
+ }
+
+ public void stop() {
+ // System.out.println("Stopping " + component.getName());
+ }
+}
diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAImplementationProviderFactory.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAImplementationProviderFactory.java new file mode 100644 index 0000000000..e1af9ecd92 --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAImplementationProviderFactory.java @@ -0,0 +1,47 @@ +/*
+ * 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.
+ */
+package org.apache.tuscany.sca.implementation.data.provider;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.implementation.data.DATAImplementation;
+import org.apache.tuscany.sca.provider.ImplementationProvider;
+import org.apache.tuscany.sca.provider.ImplementationProviderFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+/**
+ * Factory for DATA Implementation Provider
+ *
+ * @version $Rev$ $Date$
+ */
+public class DATAImplementationProviderFactory implements ImplementationProviderFactory<DATAImplementation> {
+
+ /**
+ * Constructs a new DATA implementation.
+ */
+ public DATAImplementationProviderFactory(ExtensionPointRegistry extensionPoints) {
+ }
+
+ public ImplementationProvider createImplementationProvider(RuntimeComponent component, DATAImplementation implementation) {
+ return new DATAImplementationProvider(component, implementation);
+ }
+
+ public Class<DATAImplementation> getModelType() {
+ return DATAImplementation.class;
+ }
+}
diff --git a/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAInvoker.java b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAInvoker.java new file mode 100644 index 0000000000..e74bf4d134 --- /dev/null +++ b/branches/sca-java-1.x/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/provider/DATAInvoker.java @@ -0,0 +1,583 @@ +/*
+ * 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.
+ */
+package org.apache.tuscany.sca.implementation.data.provider;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.data.engine.config.ConnectionInfo;
+import org.apache.tuscany.sca.implementation.data.jdbc.JDBCHelper;
+import org.apache.tuscany.sca.implementation.data.jdbc.JDBCResultSetStreamReader;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+import org.apache.tuscany.sca.invocation.Message;
+import org.osoa.sca.ServiceRuntimeException;
+
+/**
+ * Implements a target invoker for DAS component implementations.
+ *
+ * The target invoker is responsible for dispatching invocations to the particular
+ * component implementation logic. The current component implementation will
+ * dispatch calls to the DAS APIs to retrieve the requested data from the back-end store
+ *
+ * @version $Rev$ $Date$
+ */
+public class DATAInvoker implements Invoker {
+
+ protected final Operation operation;
+ protected final ConnectionInfo connectionInfo;
+ protected final String table;
+
+ public DATAInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ this.operation = operation;
+ this.connectionInfo = connectionInfo;
+ this.table = table;
+ }
+
+ public Message invoke(Message msg) {
+ // Shouldn't get here, as the only supported operations
+ // are the ones defined DATA interface and implemented
+ // by specific invoker subclasses
+
+ throw new UnsupportedOperationException(operation.getName());
+ }
+
+ /****************************************************************
+ *
+ * Internal invoker implementations for each supported operation
+ *
+ *****************************************************************/
+ /**
+ * GetAll operation invoker
+ */
+ public static class GetAllInvoker extends DATAInvoker {
+
+ public GetAllInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+ return msg;
+ }
+ }
+
+ /**
+ * Query operation invoker
+ */
+ public static class QueryInvoker extends DATAInvoker {
+
+ public QueryInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+ return msg;
+ }
+ }
+
+ /**
+ * Post operation invoker
+ */
+ public static class PostInvoker extends DATAInvoker {
+
+ public PostInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+
+ StringBuilder sqlInsert = new StringBuilder();
+ XMLStreamReader insertStream = (XMLStreamReader) ((Object[]) msg.getBody())[1];
+
+ if (insertStream == null) {
+ throw new IllegalArgumentException("The XMLStreamReader \"insertStream\" must not be null");
+ }
+
+
+ Connection connection = null;
+ PreparedStatement inStmt = null;
+
+ List<String> colNames = new ArrayList<String>();
+ List<String> values = new ArrayList<String>();
+
+ int result = 0;
+ try {
+
+ connection = JDBCHelper.getConnection(connectionInfo);
+
+ while (insertStream.hasNext()) {
+
+ insertStream.next();
+ if (insertStream.isStartElement()) {
+ if (insertStream.getLocalName().equals("record")) {
+ sqlInsert.append("INSERT INTO " + this.table + " (");
+ } else if (insertStream.getLocalName().equals("column")) {
+ colNames.add(insertStream.getAttributeValue(0));
+ insertStream.next();
+ if (insertStream.isCharacters()) {
+ values.add(insertStream.getText());
+ }
+ }
+ } else if (insertStream.isEndElement() && insertStream.getLocalName().equals("record")) {
+ for (String c : colNames) {
+ sqlInsert.append(" " + c + ",");
+ }
+
+ sqlInsert.deleteCharAt(sqlInsert.length() - 1);
+ sqlInsert.append(" ) VALUES (");
+
+ for (String v : values) {
+ sqlInsert.append(" '" + v + "',");
+ }
+
+ sqlInsert.deleteCharAt(sqlInsert.length() - 1);
+ sqlInsert.append(" )");
+
+ inStmt = connection.prepareStatement(sqlInsert.toString());
+
+ result += inStmt.executeUpdate();
+
+ // Clean up resources
+ inStmt.close();
+ sqlInsert.delete(0, sqlInsert.length());
+ values.clear();
+ colNames.clear();
+ }
+ }
+ } catch (XMLStreamException e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } catch (SQLException sqle) {
+ sqle.printStackTrace();
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } finally {
+ JDBCHelper.cleanupResources(connection, inStmt, null);
+ }
+
+ msg.setBody(Integer.toString(result));
+ return msg;
+ }
+ }
+
+ /**
+ * Get operation invoker
+ */
+ public static class GetInvoker extends DATAInvoker {
+
+ public GetInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+
+ // Get an entry
+ String sqlQuery = null;
+ String id = (String) ((Object[]) msg.getBody())[0];
+
+ if (id == null) {
+ sqlQuery = "SELECT * FROM " + this.table;
+ } else {
+ sqlQuery = "SELECT * FROM " + this.table + " WHERE ID = " + id;
+ }
+
+ Connection connection = null;
+ PreparedStatement queryStatement = null;
+ ResultSet resultSet = null;
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ queryStatement = connection.prepareStatement(sqlQuery);
+ resultSet = queryStatement.executeQuery();
+
+
+ } catch (SQLException sqle) {
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ JDBCHelper.cleanupResources(connection, queryStatement, resultSet);
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ JDBCHelper.cleanupResources(connection, queryStatement, resultSet);
+ } finally {
+ //default we leave the connection open to pass to the JDBCStreamReader
+ }
+
+ msg.setBody(new JDBCResultSetStreamReader(resultSet));
+ return msg;
+ }
+ }
+
+ /**
+ * Put operation invoker
+ */
+ public static class PutInvoker extends DATAInvoker {
+
+ public PutInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+
+ XMLStreamReader updateStream = (XMLStreamReader) ((Object[]) msg.getBody())[1];
+
+ if (updateStream == null) {
+ throw new IllegalArgumentException("The XMLStreamReader \"updateStream\" must not be null");
+ }
+
+ Connection connection = null;
+ PreparedStatement upStmt = null;
+
+ String id = null;
+ String columnName = null;
+ String newValue = null;
+ int result = 0;
+
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ while (updateStream.hasNext()) {
+ updateStream.next();
+
+ if (updateStream.isStartElement() && updateStream.getLocalName().equals("column")) {
+ columnName = updateStream.getAttributeValue(0);
+ updateStream.next();
+ if (updateStream.isCharacters()) {
+ if (columnName.equals("ID")) {
+ id = updateStream.getText();
+ } else {
+ newValue = updateStream.getText();
+
+ upStmt = connection.prepareStatement("UPDATE " + this.table + " SET " + columnName + " = '" + newValue + "' WHERE ID = " + id);
+
+ result += upStmt.executeUpdate();
+ upStmt.close();
+ }
+ }
+ }
+ }
+ } catch (XMLStreamException e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } catch (SQLException sqle) {
+ sqle.printStackTrace();
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } finally {
+ JDBCHelper.cleanupResources(connection, upStmt, null);
+ }
+
+ msg.setBody(result);
+ return msg;
+ }
+ }
+
+ /**
+ * Delete operation invoker
+ */
+ public static class DeleteInvoker extends DATAInvoker {
+
+ public DeleteInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+
+ // Get an entry
+ String sqlDelete = null;
+ String id = (String) ((Object[]) msg.getBody())[0];
+
+ if (id == null) {
+ sqlDelete = "DELETE FROM " + this.table;
+ } else {
+ sqlDelete = "DELETE FROM " + this.table + " WHERE ID = " + id;
+ }
+
+ Connection connection = null;
+ PreparedStatement deleteStatement = null;
+ int result = -1;
+
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ deleteStatement = connection.prepareStatement(sqlDelete);
+ result = deleteStatement.executeUpdate();
+
+ } catch (SQLException sqle) {
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } finally {
+ JDBCHelper.cleanupResources(connection, deleteStatement, null);
+ }
+
+ msg.setBody(result);
+ return msg;
+ }
+ }
+ /**
+ * Get operation invoker
+ *
+ * @version $Rev$ $Date$
+ */
+ public static class GetDATAInvoker extends DATAInvoker {
+
+ public GetDATAInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+
+ // Get an entry
+ String sqlQuery = null;
+ String id = (String) ((Object[]) msg.getBody())[0];
+
+ if (id == null) {
+ sqlQuery = "SELECT * FROM " + this.table;
+ } else {
+ sqlQuery = "SELECT * FROM " + this.table + " WHERE ID = " + id;
+ }
+
+ Connection connection = null;
+ PreparedStatement queryStatement = null;
+ ResultSet resultSet = null;
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ queryStatement = connection.prepareStatement(sqlQuery);
+ resultSet = queryStatement.executeQuery();
+
+
+ } catch (SQLException sqle) {
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ JDBCHelper.cleanupResources(connection, queryStatement, resultSet);
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ JDBCHelper.cleanupResources(connection, queryStatement, resultSet);
+ } finally {
+ //default we leave the connection open to pass to the JDBCStreamReader
+ }
+
+ msg.setBody(new JDBCResultSetStreamReader(resultSet));
+ return msg;
+ }
+ }
+
+ /**
+ * Insert operation invoker
+ */
+ public static class InsertDATAInvoker extends DATAInvoker {
+
+ public InsertDATAInvoker(Operation operation,
+ ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) throws IllegalArgumentException {
+ StringBuilder sqlInsert = new StringBuilder();
+ XMLStreamReader insertStream = (XMLStreamReader) ((Object[]) msg.getBody())[0];
+
+ if (insertStream == null) {
+ throw new IllegalArgumentException("The XMLStreamReader \"insertStream\" must not be null");
+ }
+
+
+ Connection connection = null;
+ PreparedStatement inStmt = null;
+
+ List<String> colNames = new ArrayList<String>();
+ List<String> values = new ArrayList<String>();
+
+ int result = 0;
+ try {
+
+ connection = JDBCHelper.getConnection(connectionInfo);
+
+ while (insertStream.hasNext()) {
+
+ insertStream.next();
+ if (insertStream.isStartElement()) {
+ if (insertStream.getLocalName().equals("record")) {
+ sqlInsert.append("INSERT INTO " + this.table + " (");
+ } else if (insertStream.getLocalName().equals("column")) {
+ colNames.add(insertStream.getAttributeValue(0));
+ insertStream.next();
+ if (insertStream.isCharacters()) {
+ values.add(insertStream.getText());
+ }
+ }
+ } else if (insertStream.isEndElement() && insertStream.getLocalName().equals("record")) {
+ for (String c : colNames) {
+ sqlInsert.append(" " + c + ",");
+ }
+
+ sqlInsert.deleteCharAt(sqlInsert.length() - 1);
+ sqlInsert.append(" ) VALUES (");
+
+ for (String v : values) {
+ sqlInsert.append(" '" + v + "',");
+ }
+
+ sqlInsert.deleteCharAt(sqlInsert.length() - 1);
+ sqlInsert.append(" )");
+
+ inStmt = connection.prepareStatement(sqlInsert.toString());
+ result += inStmt.executeUpdate();
+
+ // Clean up resources
+ inStmt.close();
+ sqlInsert.delete(0, sqlInsert.length());
+ values.clear();
+ colNames.clear();
+ }
+ }
+ } catch (XMLStreamException e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } catch (SQLException sqle) {
+ sqle.printStackTrace();
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } finally {
+ JDBCHelper.cleanupResources(connection, inStmt, null);
+ }
+
+ msg.setBody(result);
+ return msg;
+ }
+ }
+
+ /**
+ * Update operation invoker
+ */
+ public static class UpdateDATAInvoker extends DATAInvoker {
+
+ public UpdateDATAInvoker(Operation operation,
+ ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) throws IllegalArgumentException {
+
+ XMLStreamReader updateStream = (XMLStreamReader) ((Object[]) msg.getBody())[0];
+
+ if (updateStream == null) {
+ throw new IllegalArgumentException("The XMLStreamReader \"updateStream\" must not be null");
+ }
+
+ Connection connection = null;
+ PreparedStatement upStmt = null;
+
+ String id = null;
+ String columnName = null;
+ String newValue = null;
+ int result = 0;
+
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ while (updateStream.hasNext()) {
+ updateStream.next();
+
+ if (updateStream.isStartElement() && updateStream.getLocalName().equals("column")) {
+ columnName = updateStream.getAttributeValue(0);
+ updateStream.next();
+ if (updateStream.isCharacters()) {
+ if (columnName.equals("ID")) {
+ id = updateStream.getText();
+ } else {
+ newValue = updateStream.getText();
+
+ upStmt = connection.prepareStatement("UPDATE " + this.table + " SET " + columnName + " = '" + newValue + "' WHERE ID = " + id);
+
+ result += upStmt.executeUpdate();
+ upStmt.close();
+ }
+ }
+ }
+ }
+ } catch (XMLStreamException e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } catch (SQLException sqle) {
+ sqle.printStackTrace();
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } finally {
+ JDBCHelper.cleanupResources(connection, upStmt, null);
+ }
+
+ msg.setBody(result);
+ return msg;
+ }
+ }
+
+ /**
+ * Delete operation invoker
+ */
+ public static class DeleteDATAInvoker extends DATAInvoker {
+
+ public DeleteDATAInvoker(Operation operation, ConnectionInfo connectionInfo, String table) {
+ super(operation, connectionInfo, table);
+ }
+
+ @Override
+ public Message invoke(Message msg) {
+
+ // Get an entry
+ String sqlDelete = null;
+ String id = (String) ((Object[]) msg.getBody())[0];
+
+ if (id == null) {
+ sqlDelete = "DELETE FROM " + this.table;
+ } else {
+ sqlDelete = "DELETE FROM " + this.table + " WHERE ID = " + id;
+ }
+
+ Connection connection = null;
+ PreparedStatement deleteStatement = null;
+ int result = -1;
+
+ try {
+ connection = JDBCHelper.getConnection(connectionInfo);
+ deleteStatement = connection.prepareStatement(sqlDelete);
+ result = deleteStatement.executeUpdate();
+
+ } catch (SQLException sqle) {
+ msg.setFaultBody(new ServiceRuntimeException(sqle.getCause()));
+ } catch (Exception e) {
+ msg.setFaultBody(new ServiceRuntimeException(e));
+ } finally {
+ JDBCHelper.cleanupResources(connection, deleteStatement, null);
+ }
+
+ msg.setBody(result);
+ return msg;
+ }
+ }
+}
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