Java tutorial
/** * Copyright (C) 2014 JBoss Inc * * 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.dashbuilder.dataprovider.backend.sql; import java.net.URL; import java.sql.Connection; import javax.inject.Inject; import javax.sql.DataSource; import org.apache.commons.io.IOUtils; import org.dashbuilder.dataset.DataSet; import org.dashbuilder.dataset.DataSetFactory; import org.dashbuilder.dataset.DataSetFormatter; import org.dashbuilder.dataset.DataSetManager; import org.dashbuilder.dataset.RawDataSetSamples; import org.dashbuilder.dataset.backend.DataSetDefJSONMarshaller; import org.dashbuilder.dataset.def.DataSetDefRegistry; import org.dashbuilder.dataset.def.SQLDataSetDef; import org.dashbuilder.test.ShrinkWrapHelper; import org.jboss.arquillian.container.test.api.Deployment; import org.jboss.arquillian.junit.Arquillian; import org.jboss.shrinkwrap.api.Archive; import org.jboss.shrinkwrap.api.asset.EmptyAsset; import org.jooq.Field; import org.jooq.Table; import org.jooq.impl.SQLDataType; import org.junit.After; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import static org.fest.assertions.api.Assertions.*; import static org.jooq.impl.DSL.*; @RunWith(Arquillian.class) public class SQLDataSetTestBase { @Deployment public static Archive<?> createTestArchive() { return ShrinkWrapHelper.createJavaArchive().addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml"); } @Inject DataSetManager dataSetManager; @Inject DataSetFormatter dataSetFormatter; @Inject DataSetDefRegistry dataSetDefRegistry; @Inject DataSetDefJSONMarshaller jsonMarshaller; @Inject SQLDataSourceLocator dataSourceLocator; public static final String CREATE_TABLE = "CREATE TABLE expense_reports (\n" + " id INTEGER NOT NULL,\n" + " city VARCHAR(50),\n" + " department VARCHAR(50),\n" + " employee VARCHAR(50),\n" + " date TIMESTAMP,\n" + " amount NUMERIC(28,2),\n" + " PRIMARY KEY(id)\n" + ")"; Connection conn; Table EXPENSES = table("expense_reports"); Field ID = field("id", SQLDataType.INTEGER); Field CITY = field("city", SQLDataType.VARCHAR.length(50)); Field DEPT = field("department", SQLDataType.VARCHAR.length(50)); Field EMPLOYEE = field("employee", SQLDataType.VARCHAR.length(50)); Field DATE = field("date", SQLDataType.DATE); Field AMOUNT = field("amount", SQLDataType.FLOAT); @Before public void setUp() throws Exception { // Register the SQL data set URL fileURL = Thread.currentThread().getContextClassLoader().getResource("expenseReports.dset"); String json = IOUtils.toString(fileURL); SQLDataSetDef def = (SQLDataSetDef) jsonMarshaller.fromJson(json); dataSetDefRegistry.registerDataSetDef(def); // Get a data source connection DataSource dataSource = dataSourceLocator.lookup(def); conn = dataSource.getConnection(); // Create the expense reports table using(conn).execute(CREATE_TABLE); // Populate the table populateDbTable(); } @After public void tearDown() throws Exception { conn.close(); } protected void populateDbTable() throws Exception { int rowCount = using(conn).fetchCount(EXPENSES); DataSet dataSet = RawDataSetSamples.EXPENSE_REPORTS.toDataSet(); for (int i = 0; i < dataSet.getRowCount(); i++) { int id = ((Number) dataSet.getValueAt(i, 0)).intValue(); using(conn).insertInto(EXPENSES).set(ID, rowCount + id).set(CITY, dataSet.getValueAt(i, 1)) .set(DEPT, dataSet.getValueAt(i, 2)).set(EMPLOYEE, dataSet.getValueAt(i, 3)) .set(DATE, dataSet.getValueAt(i, 4)).set(AMOUNT, dataSet.getValueAt(i, 5)).execute(); } } }