nz.co.senanque.schemabuilder.SchemaBuilderTask.java Source code

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Here is the source code for nz.co.senanque.schemabuilder.SchemaBuilderTask.java

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/*
 * Created on 8/05/2010
 *
 * Copyright 2010 Prometheus Consulting.
 *
 * 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 nz.co.senanque.schemabuilder;

import java.io.FileReader;
import java.io.IOException;
import java.sql.Connection;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.text.MessageFormat;
import java.util.Properties;

import org.apache.tools.ant.Task;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.StringUtils;

/**
 * 
 * Ant task wrapper for the schema builder
 * 
 * @author Roger Parkinson
 * @version $Revision: 1.9 $
 */
public class SchemaBuilderTask extends Task {
    private static final Logger logger = LoggerFactory.getLogger(SchemaBuilderTask.class);
    String m_schemaName;
    String m_typeFile;
    String m_outFileName;
    String m_user;
    String m_password;
    String m_driver;
    String m_jdbcURL;
    boolean m_debug;

    public void execute() {
        registerDriver();
        m_schemaName = (!StringUtils.hasText(m_schemaName)) ? "%" : m_schemaName;
        TypeMapper typeMapper = new TypeMapper();
        if (StringUtils.hasText(m_typeFile)) {
            Properties types = new Properties();
            try {
                types.load(new FileReader(m_typeFile));
            } catch (IOException e) {
                throw new RuntimeException("Failed to open typeFile", e);
            }
            typeMapper.addTypes(types);
        }
        SchemaBuilder schemaBuilder = new SchemaBuilder(m_schemaName, m_outFileName, typeMapper);
        Connection connection = null;
        try {
            connection = getJDBCConnection(m_user, m_password);
        } catch (Exception e) {
            throw new RuntimeException("Failed to connect to database", e);
        }
        try {
            schemaBuilder.build(connection);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

    }

    private void registerDriver() {
        try {
            Driver driver = (Driver) Class.forName(getDriver()).newInstance();
            DriverManager.registerDriver(driver);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    private Connection getJDBCConnection(String user, String password) {
        try {
            debug(MessageFormat.format("connecting to {0} {1}", getJdbcURL(), user));
            return DriverManager.getConnection(getJdbcURL(), user, password);
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }

    private void debug(Object message) {
        if (m_debug) {
            logger.info("[debug] " + message.toString());
        }
    }

    public String getSchemaName() {
        return m_schemaName;
    }

    public void setSchemaName(String schemaName) {
        m_schemaName = schemaName;
    }

    public String getOutFileName() {
        return m_outFileName;
    }

    public void setOutFileName(String outFileName) {
        m_outFileName = outFileName;
    }

    public String getDriver() {
        return m_driver;
    }

    public void setDriver(String driver) {
        m_driver = driver;
    }

    public String getJdbcURL() {
        return m_jdbcURL;
    }

    public void setJdbcURL(String jdbcURL) {
        m_jdbcURL = jdbcURL;
    }

    public String getUser() {
        return m_user;
    }

    public void setUser(String user) {
        m_user = user;
    }

    public String getPassword() {
        return m_password;
    }

    public void setPassword(String password) {
        m_password = password;
    }

    public boolean isDebug() {
        return m_debug;
    }

    public void setDebug(boolean debug) {
        m_debug = debug;
    }

    public String getTypeFile() {
        return m_typeFile;
    }

    public void setTypeFile(String typeFile) {
        m_typeFile = typeFile;
    }

}