io.pivotal.spring.xd.jdbcgpfdist.support.GreenplumDataSourceFactoryBean.java Source code

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/*
 * Copyright 2015 the original author or authors.
 *
 * 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 io.pivotal.spring.xd.jdbcgpfdist.support;

import org.apache.commons.dbcp.BasicDataSource;
import org.springframework.beans.factory.config.AbstractFactoryBean;
import org.springframework.util.StringUtils;

import javax.sql.DataSource;

/**
 * Factory bean for configuring a {@link DataSource}. Needed to use
 * both command-line props and a control file.
 *
 * @author Janne Valkealahti
 */
public class GreenplumDataSourceFactoryBean extends AbstractFactoryBean<BasicDataSource> {

    private ControlFile controlFile;

    private String dbHost = "localhost";

    private String dbName = "gpadmin";

    private String dbUser = "gpadmin";

    private String dbPassword = "gpadmin";

    private int dbPort = 5432;

    @Override
    public Class<DataSource> getObjectType() {
        return DataSource.class;
    }

    @Override
    protected BasicDataSource createInstance() throws Exception {
        BasicDataSource ds = new BasicDataSource();
        ds.setDriverClassName("org.postgresql.Driver");
        if (StringUtils.hasText(dbUser)) {
            ds.setUsername(dbUser);
        }
        if (StringUtils.hasText(dbPassword)) {
            ds.setPassword(dbPassword);
        }
        ds.setUrl("jdbc:postgresql://" + dbHost + ":" + dbPort + "/" + dbName);
        return ds;
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        if (controlFile != null) {
            if (StringUtils.hasText(controlFile.getHost())) {
                dbHost = controlFile.getHost();
            }
            if (StringUtils.hasText(controlFile.getDatabase())) {
                dbName = controlFile.getDatabase();
            }
            if (StringUtils.hasText(controlFile.getUser())) {
                dbUser = controlFile.getUser();
            }
            if (StringUtils.hasText(controlFile.getPassword())) {
                dbPassword = controlFile.getPassword();
            }
            if (controlFile.getPort() != null) {
                dbPort = controlFile.getPort();
            }
        }
        super.afterPropertiesSet();
    }

    @Override
    protected void destroyInstance(BasicDataSource instance) throws Exception {
        instance.close();
    }

    public void setControlFile(ControlFile controlFile) {
        this.controlFile = controlFile;
    }

    public void setDbHost(String dbHost) {
        this.dbHost = dbHost;
    }

    public void setDbName(String dbName) {
        this.dbName = dbName;
    }

    public void setDbUser(String dbUser) {
        this.dbUser = dbUser;
    }

    public void setDbPassword(String dbPassword) {
        this.dbPassword = dbPassword;
    }

    public void setDbPort(int dbPort) {
        this.dbPort = dbPort;
    }

}