/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* 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.apache.juddi.datastore.jdbc;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Vector;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.juddi.datatype.Description;
/**
* @author Steve Viens (sviens@apache.org)
*/
class BindingDescTable
{
// private reference to the jUDDI logger
private static Log log = LogFactory.getLog(BindingDescTable.class);
static String insertSQL = null;
static String selectSQL = null;
static String deleteSQL = null;
static {
// buffer used to build SQL statements
StringBuffer sql = null;
// build insertSQL
sql = new StringBuffer(150);
sql.append("INSERT INTO BINDING_DESCR (");
sql.append("BINDING_KEY,");
sql.append("BINDING_DESCR_ID,");
sql.append("LANG_CODE,");
sql.append("DESCR) ");
sql.append("VALUES (?,?,?,?)");
insertSQL = sql.toString();
// build selectSQL
sql = new StringBuffer(200);
sql.append("SELECT ");
sql.append("LANG_CODE,");
sql.append("DESCR, ");
sql.append("BINDING_DESCR_ID ");
sql.append("FROM BINDING_DESCR ");
sql.append("WHERE BINDING_KEY=? ");
sql.append("ORDER BY BINDING_DESCR_ID");
selectSQL = sql.toString();
// build deleteSQL
sql = new StringBuffer(100);
sql.append("DELETE FROM BINDING_DESCR ");
sql.append("WHERE BINDING_KEY=?");
deleteSQL = sql.toString();
}
/**
* Insert new row into the BINDING_DESCR table.
*
* @param bindingKey String to the BusinessEntity object that owns the Description to be inserted
* @param descList Enumeration of Description objects to be inserted
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static void insert(
String bindingKey,
Vector descList,
Connection connection)
throws java.sql.SQLException
{
if ((descList == null) || (descList.size() == 0))
return; // everything is valid but no elements to insert
PreparedStatement statement = null;
try
{
statement = connection.prepareStatement(insertSQL);
statement.setString(1, bindingKey.toString());
int listSize = descList.size();
for (int descID = 0; descID < listSize; descID++)
{
Description desc = (Description) descList.elementAt(descID);
statement.setInt(2, descID);
statement.setString(3, desc.getLanguageCode());
statement.setString(4, desc.getValue());
log.debug(
"insert into BINDING_DESCR table:\n\n\t"
+ insertSQL
+ "\n\t BINDING_KEY="
+ bindingKey.toString()
+ "\n\t BINDING_DESCR_ID="
+ descID
+ "\n\t LANG_CODE="
+ desc.getLanguageCode()
+ "\n\t DESCR="
+ desc.getValue()
+ "\n");
statement.executeUpdate();
}
}
finally
{
try
{
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
/**
* Select all rows from the BINDING_DESCR table for a given BusinessKey.
*
* @param bindingKey String
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static Vector select(String bindingKey, Connection connection)
throws java.sql.SQLException
{
Vector descList = new Vector();
PreparedStatement statement = null;
ResultSet resultSet = null;
try
{
// create a statement to query with
statement = connection.prepareStatement(selectSQL);
statement.setString(1, bindingKey.toString());
log.debug(
"select from BINDING_DESCR table:\n\n\t"
+ selectSQL
+ "\n\t BINDING_KEY="
+ bindingKey.toString()
+ "\n");
// execute the statement
resultSet = statement.executeQuery();
while (resultSet.next())
{
Description desc = new Description();
desc.setLanguageCode(resultSet.getString(1));//("LANG_CODE"));
desc.setValue(resultSet.getString(2));//("DESCR"));
descList.add(desc);
}
return descList;
}
finally
{
try
{
resultSet.close();
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
/**
* Delete multiple rows from the BINDING_DESCR table that are assigned
* to the BusinessKey specified.
*
* @param bindingKey String
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static void delete(String bindingKey, Connection connection)
throws java.sql.SQLException
{
PreparedStatement statement = null;
try
{
// prepare the delete
statement = connection.prepareStatement(deleteSQL);
statement.setString(1, bindingKey.toString());
log.debug(
"delete from BINDING_DESCR table:\n\n\t"
+ deleteSQL
+ "\n\t BINDING_KEY="
+ bindingKey.toString()
+ "\n");
// execute
statement.executeUpdate();
}
finally
{
try
{
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
}