DataSourceRuntimeManagerClientServiceImpl.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.kie.workbench.common.screens.datasource.management.backend.service;

import java.sql.Connection;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import org.guvnor.common.services.shared.exceptions.GenericPortableException;
import org.jboss.errai.bus.server.annotations.Service;
import org.kie.workbench.common.screens.datasource.management.backend.core.DataSource;
import org.kie.workbench.common.screens.datasource.management.backend.core.DataSourceRuntimeManager;
import org.kie.workbench.common.screens.datasource.management.model.DataSourceDeploymentInfo;
import org.kie.workbench.common.screens.datasource.management.model.DriverDeploymentInfo;
import org.kie.workbench.common.screens.datasource.management.model.TestResult;
import org.kie.workbench.common.screens.datasource.management.service.DataSourceRuntimeManagerClientService;

import static org.uberfire.commons.validation.PortablePreconditions.*;

@Service
@ApplicationScoped
public class DataSourceRuntimeManagerClientServiceImpl
        implements DataSourceRuntimeManagerClientService {

    @Inject
    private DataSourceRuntimeManager runtimeManager;

    public DataSourceRuntimeManagerClientServiceImpl() {
    }

    @Override
    public DataSourceDeploymentInfo getDataSourceDeploymentInfo( String uuid ) {
        try {
            return runtimeManager.getDataSourceDeploymentInfo( uuid );
        } catch ( Exception e ) {
            throw new GenericPortableException( e.getMessage(), e );
        }
    }

    @Override
    public DriverDeploymentInfo getDriverDeploymentInfo( String uuid ) {
        try {
            return runtimeManager.getDriverDeploymentInfo( uuid );
        } catch ( Exception e ) {
            throw new GenericPortableException( e.getMessage(), e );
        }
    }

    @Override
    public TestResult testDataSource( final String uuid ) {
        try {
            DataSource dataSource = runtimeManager.lookupDataSource( uuid );
            return test( dataSource );
        } catch ( Exception e ) {
            StringBuilder strBuilder = new StringBuilder( );
            TestResult testResult = new TestResult( false );
            strBuilder.append( "Reference to datasource ds: " + uuid + " couldn't be obtained " );
            strBuilder.append( "\n" );
            strBuilder.append( "Test Failed" );
            testResult.setMessage( strBuilder.toString() );
            return testResult;
        }
    }

    private TestResult test( final DataSource dataSource ) {
        TestResult testResult = new TestResult( false );
        StringBuilder stringBuilder = new StringBuilder();
        try {

            checkNotNull( "dataSource", dataSource );

            stringBuilder.append( "Reference to datasource was successfully obtained: " + dataSource );
            stringBuilder.append( "\n" );

            Connection conn = dataSource.getConnection();

            if ( conn == null ) {
                stringBuilder.append( "It was not possible to get connection from the datasoure." );
                stringBuilder.append( "\n" );
                stringBuilder.append( "Test Failed" );
            } else {
                stringBuilder.append( "Connection was successfully obtained: " + conn );
                stringBuilder.append( "\n" );
                stringBuilder.append( "*** DatabaseProductName: " + conn.getMetaData().getDatabaseProductName() );
                stringBuilder.append( "\n" );
                stringBuilder.append( "*** DatabaseProductVersion: " + conn.getMetaData().getDatabaseProductVersion() );
                stringBuilder.append( "\n" );
                stringBuilder.append( "*** DriverName: " + conn.getMetaData().getDriverName() );
                stringBuilder.append( "\n" );
                stringBuilder.append( "*** DriverVersion: " + conn.getMetaData().getDriverVersion() );
                stringBuilder.append( "\n" );
                conn.close();
                stringBuilder.append( "Connection was successfully released." );
                stringBuilder.append( "\n" );
                stringBuilder.append( "Test Successful" );
                testResult.setTestPassed( true );
            }

        } catch ( Exception e ) {
            stringBuilder.append( e.getMessage() );
            stringBuilder.append( "\n" );
            stringBuilder.append( "Test Failed" );
        }
        testResult.setMessage( stringBuilder.toString() );
        return testResult;
    }
}