/*
* 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.DiscoveryURL;
import org.apache.juddi.registry.RegistryEngine;
import org.apache.juddi.util.Config;
/**
* @author Steve Viens (sviens@apache.org)
*/
class DiscoveryURLTable
{
// private reference to the jUDDI logger
private static Log log = LogFactory.getLog(DiscoveryURLTable.class);
static String insertSQL = null;
static String selectSQL = null;
static String deleteSQL = null;
static String tablePrefix = null;
static {
tablePrefix = Config.getStringProperty(
RegistryEngine.PROPNAME_TABLE_PREFIX,RegistryEngine.DEFAULT_TABLE_PREFIX);
// buffer used to build SQL statements
StringBuffer sql = null;
// build insertSQL
sql = new StringBuffer(150);
sql.append("INSERT INTO ").append(tablePrefix).append("DISCOVERY_URL (");
sql.append("BUSINESS_KEY,");
sql.append("DISCOVERY_URL_ID,");
sql.append("USE_TYPE,");
sql.append("URL) ");
sql.append("VALUES (?,?,?,?)");
insertSQL = sql.toString();
// build selectSQL
sql = new StringBuffer(200);
sql.append("SELECT ");
sql.append("USE_TYPE,");
sql.append("URL, ");
sql.append("DISCOVERY_URL_ID ");
sql.append("FROM ").append(tablePrefix).append("DISCOVERY_URL ");
sql.append("WHERE BUSINESS_KEY=? ");
sql.append("ORDER BY DISCOVERY_URL_ID");
selectSQL = sql.toString();
// build deleteSQL
sql = new StringBuffer(100);
sql.append("DELETE FROM ").append(tablePrefix).append("DISCOVERY_URL ");
sql.append("WHERE BUSINESS_KEY=?");
deleteSQL = sql.toString();
}
/**
* Insert new row into the DISCOVERY_URL table.
*
* @param businessKey String to the BusinessEntity object that owns
* the Description to be inserted
* @param urlList Vector of Description objects holding values to be inserted
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static void insert(
String businessKey,
Vector urlList,
Connection connection)
throws java.sql.SQLException
{
if ((urlList == null) || (urlList.size() == 0))
return; // everything is valid but no elements to insert
PreparedStatement statement = null;
try
{
statement = connection.prepareStatement(insertSQL);
statement.setString(1, businessKey.toString());
int listSize = urlList.size();
for (int urlID = 0; urlID < listSize; urlID++)
{
DiscoveryURL url = (DiscoveryURL) urlList.elementAt(urlID);
String urlValue = url.getValue();
if (log.isDebugEnabled()) {
log.debug(
"insert into " + tablePrefix + "DISCOVERY_URL table:\n\n\t"
+ insertSQL
+ "\n\t BUSINESS_KEY="
+ businessKey.toString()
+ "\n\t DISCOVERY_URL_ID="
+ urlID
+ "\n\t USE_TYPE="
+ url.getUseType()
+ "\n\t URL="
+ urlValue
+ "\n");
}
statement.setInt(2, urlID);
statement.setString(3, url.getUseType());
statement.setString(4, urlValue);
statement.executeUpdate();
}
}
finally
{
try
{
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
/**
* Select all rows from the DISCOVERY_URL table for a given BusinessKey.
*
* @param businessKey String
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static Vector select(String businessKey, Connection connection)
throws java.sql.SQLException
{
Vector urlList = new Vector();
PreparedStatement statement = null;
ResultSet resultSet = null;
try
{
// create a statement to query with
statement = connection.prepareStatement(selectSQL);
statement.setString(1, businessKey.toString());
if (log.isDebugEnabled()) {
log.debug(
"select from " + tablePrefix + "DISCOVERY_URL table:\n\n\t"
+ selectSQL
+ "\n\t BUSINESS_KEY="
+ businessKey.toString()
+ "\n");
}
// execute the statement
resultSet = statement.executeQuery();
while (resultSet.next())
{
DiscoveryURL url = new DiscoveryURL();
url.setUseType(resultSet.getString(1));//("USE_TYPE"));
url.setValue(resultSet.getString(2));//("URL"));
urlList.add(url);
}
return urlList;
}
finally
{
try
{
resultSet.close();
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
/**
* Delete multiple rows from the DISCOVERY_URL table that are assigned to the
* BusinessKey specified.
*
* @param businessKey String
* @param connection JDBC connection
* @throws java.sql.SQLException
*/
public static void delete(String businessKey, Connection connection)
throws java.sql.SQLException
{
PreparedStatement statement = null;
try
{
// prepare the delete
statement = connection.prepareStatement(deleteSQL);
statement.setString(1, businessKey.toString());
if (log.isDebugEnabled()) {
log.debug(
"delete from " + tablePrefix + "DISCOVERY_URL table:\n\n\t"
+ deleteSQL
+ "\n\t BUSINESS_KEY="
+ businessKey.toString()
+ "\n");
}
// execute
statement.executeUpdate();
}
finally
{
try
{
statement.close();
}
catch (Exception e)
{ /* ignored */
}
}
}
}