diff options
author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
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committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /sandbox/axis2-1.4/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java |
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/axis2-1.4/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java')
-rw-r--r-- | sandbox/axis2-1.4/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/sandbox/axis2-1.4/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java b/sandbox/axis2-1.4/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java new file mode 100644 index 0000000000..99709857b8 --- /dev/null +++ b/sandbox/axis2-1.4/modules/data-engine-helper/src/main/java/org/apache/tuscany/sca/data/engine/ConnectionInfoArtifactProcessor.java @@ -0,0 +1,197 @@ +/* + * 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.data.engine; + +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.builder.impl.ProblemImpl; +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.config.ConnectionInfo; +import org.apache.tuscany.sca.data.engine.config.ConnectionProperties; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.monitor.Problem; +import org.apache.tuscany.sca.monitor.Problem.Severity; + +/** + * Implements a StAX artifact processor for ConnectionInfo. + * This processor is shared between implementation.das and implementation.data component type implementations, + * and can be used for other applications that require database connectivity information. + * + * The artifact processor is responsible for processing <ConnectionInfo> + * elements in SCA assembly XML composite files. + * + * @version $Rev$ $Date$ + */ +public class ConnectionInfoArtifactProcessor implements StAXArtifactProcessor<ConnectionInfo> { + public static final QName CONNECTION_INFO = new QName(Constants.SCA10_TUSCANY_NS, "connectionInfo"); + private static final QName CONNECTION_PROPERTIES = new QName(Constants.SCA10_TUSCANY_NS, "connectionProperties"); + + private Monitor monitor; + public ConnectionInfoArtifactProcessor(ModelFactoryExtensionPoint modelFactories, Monitor monitor) { + this.monitor = monitor; + } + + public QName getArtifactType() { + // Returns the QName of the XML element processed by this processor + return CONNECTION_INFO; + } + + /** + * Report a exception. + * + * @param problems + * @param message + * @param model + */ + private void error(String message, Object model, Exception ex) { + if (monitor != null) { + Problem problem = new ProblemImpl(this.getClass().getName(), "dataengine-helper-validation-messages", Severity.ERROR, model, message, ex); + monitor.problem(problem); + } + } + + public Class<ConnectionInfo> getModelType() { + // Returns the type of model processed by this processor + return ConnectionInfo.class; + } + + /* + * <component name="CompanyDataComponent"> + * <implementation.data table="company"> + * + * <connectionInfo> + * <connectionProperties + * driverClass="org.apache.derby.jdbc.EmbeddedDriver" + * databaseURL="jdbc:derby:target/test-classes/dastest; create = true" + * loginTimeout="600000"/> + * </connectionInfo> + * + * </implementation.data> + * </component> + */ + public ConnectionInfo read(XMLStreamReader reader) throws ContributionReadException { + assert CONNECTION_INFO.equals(reader.getName()); + + // Create a ConnectionInfo from the component type model + ConnectionInfo connectionInfo = new ConnectionInfo(); + + /* + * <connectionInfo dataSource="jdbc:derby:target/test-classes/dastest; create = true"/> + */ + String dataSource = reader.getAttributeValue(null, "datasource"); // exclusive with connection properties + if (dataSource != null && dataSource.length() > 0) { + connectionInfo.setDataSource(dataSource); + } else { + try { + int event = reader.next(); + while (event == XMLStreamConstants.CHARACTERS) { + event = reader.next(); + } + } catch (XMLStreamException e) { + ContributionReadException ce = new ContributionReadException(e); + error("ContributionReadException", reader, ce); + throw ce; + } + + QName element = reader.getName(); + + assert CONNECTION_PROPERTIES.equals(element); + + /* + * <connectionProperties + * driverClass="org.apache.derby.jdbc.EmbeddedDriver" + * databaseURL="jdbc:derby:target/test-classes/dastest; create = true" + * username="" + * password="" + * loginTimeout="600000"/> + */ + + String driverClass = reader.getAttributeValue(null, "driverClass"); + String databaseURL = reader.getAttributeValue(null, "databaseURL"); + String username = reader.getAttributeValue(null, "username"); + String password = reader.getAttributeValue(null, "password"); + String loginTimeout = reader.getAttributeValue(null, "loginTimeout"); + + // FIXME: validation sending info to monitor.... + ConnectionProperties connectionProperties = new ConnectionProperties(); + connectionProperties.setDriverClass(driverClass); + connectionProperties.setDatabaseURL(databaseURL); + connectionProperties.setUsername(username); + connectionProperties.setPassword(password); + if (loginTimeout != null) { + connectionProperties.setLoginTimeout(Integer.parseInt(loginTimeout)); + } + + connectionInfo.setConnectionProperties(connectionProperties); + } + + return connectionInfo; + } + + public void resolve(ConnectionInfo impl, ModelResolver resolver) throws ContributionResolveException { + + } + + public void write(ConnectionInfo connectionInfo, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException { + + writer.writeStartElement(CONNECTION_INFO.getNamespaceURI(), CONNECTION_INFO.getLocalPart()); + + if (connectionInfo.getDataSource() != null) { + writer.writeAttribute("dataSource", connectionInfo.getDataSource()); + } + + ConnectionProperties connectionProperties = connectionInfo.getConnectionProperties(); + if (connectionProperties != null) { + writer.writeStartElement(CONNECTION_PROPERTIES.getNamespaceURI(), CONNECTION_PROPERTIES.getLocalPart()); + + if (connectionProperties.getDriverClass() != null) { + writer.writeAttribute("driverClass", connectionProperties.getDriverClass()); + } + if (connectionProperties.getDatabaseURL() != null) { + writer.writeAttribute("databaseURL", connectionProperties.getDatabaseURL()); + } + if (connectionProperties.getUsername() != null) { + writer.writeAttribute("username", connectionProperties.getUsername()); + } + if (connectionProperties.getPassword() != null) { + writer.writeAttribute("password", connectionProperties.getPassword()); + } + if (connectionProperties.getLoginTimeout() != null) { + writer.writeAttribute("loginTimeout", String.valueOf(connectionProperties.getLoginTimeout())); + } + + writer.writeEndElement(); + } + + + writer.writeEndElement(); + + } +} |