forked from community/device-mgt-core
megala21
7 years ago
parent
e26d859236
commit
d8ff31b628
@ -0,0 +1,151 @@
|
||||
/*
|
||||
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||
*
|
||||
* WSO2 Inc. licenses this file to you 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.wso2.carbon.device.application.mgt.core.dao.impl.category;
|
||||
|
||||
import org.wso2.carbon.device.application.mgt.common.Category;
|
||||
import org.wso2.carbon.device.application.mgt.common.exception.DBConnectionException;
|
||||
import org.wso2.carbon.device.application.mgt.core.dao.CategoryDAO;
|
||||
import org.wso2.carbon.device.application.mgt.core.dao.common.Util;
|
||||
import org.wso2.carbon.device.application.mgt.core.dao.impl.AbstractDAOImpl;
|
||||
import org.wso2.carbon.device.application.mgt.core.exception.ApplicationManagementDAOException;
|
||||
|
||||
import java.sql.Connection;
|
||||
import java.sql.PreparedStatement;
|
||||
import java.sql.ResultSet;
|
||||
import java.sql.SQLException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* This is the concrete implementation of {@link CategoryDAO}.
|
||||
*/
|
||||
public class GenericCategoryDAOImpl extends AbstractDAOImpl implements CategoryDAO {
|
||||
@Override
|
||||
public Category addCategory(Category category) throws ApplicationManagementDAOException {
|
||||
Connection connection;
|
||||
PreparedStatement statement = null;
|
||||
String sql = "INSERT INTO APPM_APPLICATION_CATEGORY (NAME, DESCRIPTION) VALUES (?, ?)";
|
||||
String[] generatedColumns = { "ID" };
|
||||
ResultSet rs = null;
|
||||
try {
|
||||
connection = this.getDBConnection();
|
||||
statement = connection.prepareStatement(sql, generatedColumns);
|
||||
statement.setString(1, category.getName());
|
||||
statement.setString(2, category.getDescription());
|
||||
statement.executeUpdate();
|
||||
rs = statement.getGeneratedKeys();
|
||||
if (rs.next()) {
|
||||
category.setId(rs.getInt(1));
|
||||
}
|
||||
return category;
|
||||
} catch (DBConnectionException e) {
|
||||
throw new ApplicationManagementDAOException(
|
||||
"Database connection while trying to update the categroy " + category.getName(), e);
|
||||
} catch (SQLException e) {
|
||||
throw new ApplicationManagementDAOException("SQL exception while executing the query '" + sql + "' .", e);
|
||||
} finally {
|
||||
Util.cleanupResources(statement, rs);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Category> getCategories() throws ApplicationManagementDAOException {
|
||||
Connection conn;
|
||||
PreparedStatement stmt = null;
|
||||
ResultSet rs = null;
|
||||
String sql = "SELECT * FROM APPM_APPLICATION_CATEGORY";
|
||||
List<Category> categories = new ArrayList<>();
|
||||
try {
|
||||
conn = this.getDBConnection();
|
||||
stmt = conn.prepareStatement(sql);
|
||||
rs = stmt.executeQuery();
|
||||
while (rs.next()) {
|
||||
Category category = new Category();
|
||||
category.setId(rs.getInt("ID"));
|
||||
category.setName(rs.getString("NAME"));
|
||||
category.setDescription(rs.getString("DESCRIPTION"));
|
||||
categories.add(category);
|
||||
}
|
||||
return categories;
|
||||
} catch (DBConnectionException e) {
|
||||
throw new ApplicationManagementDAOException("Database Connection Exception while trying to get the "
|
||||
+ "application categories", e);
|
||||
} catch (SQLException e) {
|
||||
throw new ApplicationManagementDAOException("SQL Exception while trying to get the application "
|
||||
+ "categories, while executing " + sql, e);
|
||||
} finally {
|
||||
Util.cleanupResources(stmt, rs);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public Category getCategory(String name) throws ApplicationManagementDAOException {
|
||||
Connection conn;
|
||||
PreparedStatement stmt = null;
|
||||
ResultSet rs = null;
|
||||
String sql = "SELECT * FROM APPM_APPLICATION_CATEGORY WHERE NAME = ?";
|
||||
try {
|
||||
conn = this.getDBConnection();
|
||||
stmt = conn.prepareStatement(sql);
|
||||
stmt.setString(1, name);
|
||||
rs = stmt.executeQuery();
|
||||
if (rs.next()) {
|
||||
Category category = new Category();
|
||||
category.setId(rs.getInt("ID"));
|
||||
category.setName(rs.getString("NAME"));
|
||||
category.setDescription(rs.getString("DESCRIPTION"));
|
||||
return category;
|
||||
}
|
||||
return null;
|
||||
} catch (DBConnectionException e) {
|
||||
throw new ApplicationManagementDAOException("Database Connection Exception while trying to get the "
|
||||
+ "application categories", e);
|
||||
} catch (SQLException e) {
|
||||
throw new ApplicationManagementDAOException("SQL Exception while trying to get the application "
|
||||
+ "categories, while executing " + sql, e);
|
||||
} finally {
|
||||
Util.cleanupResources(stmt, rs);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void deleteCategory(String name) throws ApplicationManagementDAOException {
|
||||
Connection conn;
|
||||
PreparedStatement stmt = null;
|
||||
String sql = "DELETE FROM APPM_APPLICATION_CATEGORY WHERE NAME = ?";
|
||||
try {
|
||||
conn = this.getDBConnection();
|
||||
stmt = conn.prepareStatement(sql);
|
||||
stmt.setString(1, name);
|
||||
stmt.executeUpdate();
|
||||
} catch (DBConnectionException e) {
|
||||
throw new ApplicationManagementDAOException(
|
||||
"Database Connection Exception while trying to delete the category " + name, e);
|
||||
} catch (SQLException e) {
|
||||
throw new ApplicationManagementDAOException(
|
||||
"SQL Exception while trying to delete the category " + name + " while executing the query " +
|
||||
sql, e);
|
||||
} finally {
|
||||
Util.cleanupResources(stmt, null);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in new issue