org.openas2.processor.msgtracking.DbTrackingModule Maven / Gradle / Ivy
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Open source implementation of the AS2 standard for signed encrypted and compressed document transfer
package org.openas2.processor.msgtracking;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openas2.OpenAS2Exception;
import org.openas2.Session;
import org.openas2.message.Message;
import org.openas2.params.ComponentParameters;
import org.openas2.params.CompositeParameters;
import org.openas2.params.ParameterParser;
import org.openas2.util.DateUtil;
import org.openas2.util.Properties;
public class DbTrackingModule extends BaseMsgTrackingModule
{
public static final String PARAM_TCP_SERVER_START = "tcp_server_start";
public static final String PARAM_TCP_SERVER_PORT = "tcp_server_port";
public static final String PARAM_TCP_SERVER_PWD = "tcp_server_password";
public static final String PARAM_DB_USER = "db_user";
public static final String PARAM_DB_PWD = "db_pwd";
public static final String PARAM_DB_NAME = "db_name";
public static final String PARAM_DB_DIRECTORY = "db_directory";
public static final String PARAM_JDBC_CONNECT_STRING = "jdbc_connect_string";
public static final String PARAM_JDBC_DRIVER = "jdbc_driver";
public static final String PARAM_JDBC_SERVER_URL = "jdbc_server_url";
public static final String PARAM_JDBC_PARAMS = "jdbc_extra_paramters";
public static final String PARAM_USE_EMBEDDED_DB = "use_embedded_db";
public static final String PARAM_FORCE_LOAD_JDBC_DRIVER = "force_load_jdbc_driver";
private String dbUser = null;
private String dbPwd = null;
private String jdbcConnectString = null;
private String configBaseDir = null;
private String jdbcDriver = null;
private boolean isRunning = false;
private String sqlEscapeChar = "'";
private boolean useEmbeddedDB = true;
private boolean forceLoadJdbcDriver = false;
private String dbPlatform = "h2";
IDBHandler dbHandler = null;
private Log logger = LogFactory.getLog(DbTrackingModule.class.getSimpleName());
public void init(Session session, Map options) throws OpenAS2Exception
{
super.init(session, options);
CompositeParameters paramParser = createParser();
dbUser = getParameter(PARAM_DB_USER, true);
dbPwd = getParameter(PARAM_DB_PWD, true);
configBaseDir = session.getBaseDirectory();
jdbcConnectString = getParameter(PARAM_JDBC_CONNECT_STRING, true);
jdbcConnectString.replace("%home%", configBaseDir);
// Support component attributes in connect string
jdbcConnectString = ParameterParser.parse(jdbcConnectString, paramParser);
dbPlatform = jdbcConnectString.replaceAll(".*jdbc:([^:]*):.*", "$1");
jdbcDriver = getParameter(PARAM_JDBC_DRIVER, false);
sqlEscapeChar = Properties.getProperty("sql_escape_character", "'");
useEmbeddedDB = "true".equals(getParameter(PARAM_USE_EMBEDDED_DB, "true"));
forceLoadJdbcDriver = "true".equals(getParameter(PARAM_USE_EMBEDDED_DB, "false"));
if (!useEmbeddedDB && forceLoadJdbcDriver)
{
try
{
Class.forName(jdbcDriver);
} catch (ClassNotFoundException e)
{
logger.error("Failed to load JDBC driver: " + jdbcDriver, e);
e.printStackTrace();
return;
}
}
}
protected String getModuleAction()
{
return DO_TRACK_MSG;
}
protected CompositeParameters createParser()
{
CompositeParameters params = new CompositeParameters(true);
params.add("component", new ComponentParameters(this));
return params;
}
protected void persist(Message msg, Map map)
{
Connection conn = null;
try
{
if (useEmbeddedDB)
conn = dbHandler.getConnection();
else
{
conn = DriverManager.getConnection(jdbcConnectString, dbUser, dbPwd);
}
Statement s = conn.createStatement();
String msgIdField = FIELDS.MSG_ID;
ResultSet rs = s.executeQuery(
"select * from msg_metadata where " + msgIdField + " = '" + map.get(msgIdField) + "'");
ResultSetMetaData meta = rs.getMetaData();
boolean isUpdate = rs.next(); // Record already exists so update
StringBuffer fieldStmt = new StringBuffer();
StringBuffer valuesStmt = new StringBuffer();
for (int i = 0; i < meta.getColumnCount(); i++)
{
String colName = meta.getColumnLabel(i + 1);
if (colName.equalsIgnoreCase("ID"))
continue;
else if (colName.equalsIgnoreCase(FIELDS.UPDATE_DT))
{
// Ignore if not update mode
if (isUpdate)
appendFieldForUpdate(colName, DateUtil.getSqlTimestamp(), fieldStmt, meta.getColumnType(i + 1));
} else if (colName.equalsIgnoreCase(FIELDS.CREATE_DT))
map.remove(FIELDS.CREATE_DT);
else if (isUpdate)
{
// Only write unchanged field values
String mapVal = map.get(colName.toUpperCase());
if (mapVal == null)
{
continue;
}
String dbVal = rs.getString(colName);
if (dbVal != null && mapVal.equals(dbVal))
{
// Unchanged value so remove from map
continue;
}
appendFieldForUpdate(colName, mapVal, fieldStmt, meta.getColumnType(i + 1));
} else
{
// For new record add every field that is not NULL
String mapVal = map.get(colName.toUpperCase());
if (mapVal == null)
{
continue;
}
appendFieldForInsert(colName, mapVal, fieldStmt, valuesStmt, meta.getColumnType(i + 1));
}
}
if (fieldStmt.length() > 0)
{
String stmt = "";
if (isUpdate)
{
stmt = "update msg_metadata set " + fieldStmt.toString() + " where " + FIELDS.MSG_ID + " = '"
+ map.get(msgIdField) + "'";
} else
stmt = "insert into msg_metadata (" + fieldStmt.toString() + ") values (" + valuesStmt.toString() + ")";
if (s.executeUpdate(stmt) > 0)
{
if (logger.isDebugEnabled())
logger.debug("Tracking record successfully persisted to database: " + map);
} else
{
throw new OpenAS2Exception("Failed to persist tracking record to DB: " + map);
}
} else
{
if (logger.isInfoEnabled())
logger.info("No change from existing record in DB. Tracking record not updated: " + map);
}
} catch (Exception e)
{
msg.setLogMsg("Failed to persist a tracking event: " + org.openas2.logging.Log.getExceptionMsg(e)
+ " ::: Data map: " + map);
logger.error(msg, e);
} finally
{
if (conn != null)
{
try
{
conn.close();
} catch (SQLException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
private String formatField(String value, int dataType)
{
if (value == null)
return "NULL";
switch (dataType)
{
case Types.BIGINT:
case Types.DECIMAL:
case Types.DOUBLE:
case Types.FLOAT:
case Types.INTEGER:
case Types.NUMERIC:
case Types.REAL:
case Types.SMALLINT:
case Types.BINARY:
case Types.TINYINT:
//case Types.ROWID:
return value;
case Types.TIME_WITH_TIMEZONE:
case Types.TIMESTAMP_WITH_TIMEZONE:
case Types.DATE:
case Types.TIME:
case Types.TIMESTAMP:
if ("oracle".equalsIgnoreCase(dbPlatform))
{
if (value.length() > 19)
return ("TO_TIMESTAMP('" + value + "','YYYY-MM-DD HH24:MI:SS.FF')");
else
return ("TO_DATE('" + value + "','YYYY-MM-DD HH24:MI:SS')");
} else if ("mssql".equalsIgnoreCase(dbPlatform))
return ("CAST('" + value + "' AS DATETIME)");
else
return "'" + value + "'";
}
// Must be some kind of string value if it gets here
return "'" + value.replaceAll("'", sqlEscapeChar + "'") + "'";
}
private void appendFieldForUpdate(String name, String value, StringBuffer sb, int dataType)
{
if (sb.length() > 0)
sb.append(",");
sb.append(name).append("=").append(formatField(value, dataType));
}
private void appendFieldForInsert(String name, String value, StringBuffer names, StringBuffer values, int dataType)
{
if (names.length() > 0)
{
names.append(",");
values.append(",");
}
names.append(name);
values.append(formatField(value, dataType));
}
public boolean isRunning()
{
if (useEmbeddedDB)
return isRunning;
else
return true;
}
public void start() throws OpenAS2Exception
{
if (!useEmbeddedDB)
return;
dbHandler = new EmbeddedDBHandler();
dbHandler.start(jdbcConnectString, dbUser, dbPwd, getParameters());
isRunning = true;
}
public void stop()
{
if (!useEmbeddedDB)
return;
dbHandler.stop();
}
@Override
public boolean healthcheck(List failures)
{
Connection conn = null;
try
{
if (useEmbeddedDB)
conn = dbHandler.getConnection();
else
{
conn = DriverManager.getConnection(jdbcConnectString, dbUser, dbPwd);
}
Statement s = conn.createStatement();
ResultSet rs = s.executeQuery(
"select count(*) from msg_metadata");
} catch (Exception e)
{
failures.add(this.getClass().getSimpleName()
+ " - Failed to check DB tracking module connection to DB: " + e.getMessage()
+ " :: Connect String: " + jdbcConnectString);
return false;
} finally
{
if (conn != null)
{
try
{
conn.close();
} catch (Exception e)
{
}
}
}
return true;
}
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