Harshan Liyanage
8 years ago
parent
fa88673ac4
commit
d5ba266583
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/*
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* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
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*
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* WSO2 Inc. licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.wso2.carbon.device.application.mgt.core.dao.impl.application;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.json.JSONException;
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import org.wso2.carbon.device.application.mgt.common.Application;
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import org.wso2.carbon.device.application.mgt.common.ApplicationList;
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import org.wso2.carbon.device.application.mgt.common.Filter;
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import org.wso2.carbon.device.application.mgt.common.Pagination;
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import org.wso2.carbon.device.application.mgt.common.exception.DBConnectionException;
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import org.wso2.carbon.device.application.mgt.core.dao.common.ApplicationManagementDAOException;
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import org.wso2.carbon.device.application.mgt.core.dao.common.ApplicationManagementDAOUtil;
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import org.wso2.carbon.device.application.mgt.core.dao.impl.AbstractApplicationDAOImpl;
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import org.wso2.carbon.device.application.mgt.core.util.ConnectionManagerUtil;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* This class holds the generic implementation of ApplicationDAO which can be used to support ANSI db syntax.
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*/
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public class H2ApplicationDAOImpl extends AbstractApplicationDAOImpl {
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private static final Log log = LogFactory.getLog(H2ApplicationDAOImpl.class);
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@Override
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public ApplicationList getApplications(Filter filter) throws ApplicationManagementDAOException {
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if(log.isDebugEnabled()){
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log.debug("Getting application data from the database");
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log.debug(String.format("Filter: limit=%s, offset=%", filter.getLimit(), filter.getOffset()));
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}
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Connection conn = null;
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PreparedStatement stmt = null;
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ResultSet rs = null;
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String sql = "";
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ApplicationList applicationList = new ApplicationList();
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List<Application> applications = new ArrayList<>();
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Pagination pagination = new Pagination();
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if (filter == null) {
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throw new ApplicationManagementDAOException("Filter need to be instantiated");
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} else {
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pagination.setLimit(filter.getLimit());
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pagination.setOffset(filter.getOffset());
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}
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try {
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conn = this.getConnection();
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sql += "SELECT APP.*, APL.NAME AS APL_NAME, APL.IDENTIFIER AS APL_IDENTIFIER," +
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" CAT.NAME AS CAT_NAME ";
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sql += "FROM APPM_APPLICATION AS APP ";
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sql += "INNER JOIN APPM_PLATFORM_APPLICATION_MAPPING AS APM ON APP.PLATFORM_APPLICATION_MAPPING_ID = APM.ID ";
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sql += "INNER JOIN APPM_PLATFORM AS APL ON APM.PLATFORM_ID = APL.ID ";
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sql += "INNER JOIN APPM_APPLICATION_CATEGORY AS CAT ON APP.APPLICATION_CATEGORY_ID = CAT.ID ";
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if (filter.getSearchQuery() != null && !filter.getSearchQuery().isEmpty()) {
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sql += "WHERE APP.NAME LIKE ? ";
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}
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sql += "LIMIT ?,?;";
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stmt = conn.prepareStatement(sql);
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int index = 0;
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if (filter.getSearchQuery() != null && !filter.getSearchQuery().isEmpty()) {
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stmt.setString(++index, "%" + filter.getSearchQuery() + "%");
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}
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stmt.setInt(++index, filter.getOffset());
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stmt.setInt(++index, filter.getLimit());
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rs = stmt.executeQuery();
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int length = 0;
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while (rs.next()) {
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//Getting properties
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sql = "SELECT * FROM APPM_APPLICATION_PROPERTY WHERE APPLICATION_ID=?";
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stmt = conn.prepareStatement(sql);
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stmt.setInt(1, rs.getInt("ID"));
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ResultSet rsProperties = stmt.executeQuery();
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//Getting tags
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sql = "SELECT * FROM APPM_APPLICATION_TAG WHERE APPLICATION_ID=?";
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stmt = conn.prepareStatement(sql);
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stmt.setInt(1, rs.getInt("ID"));
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ResultSet rsTags = stmt.executeQuery();
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applications.add(ApplicationManagementDAOUtil.loadApplication(rs, rsProperties, rsTags));
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ApplicationManagementDAOUtil.cleanupResources(null, rsProperties);
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ApplicationManagementDAOUtil.cleanupResources(null, rsTags);
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length++;
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}
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pagination.setSize(length);
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pagination.setCount(this.getApplicationCount(filter));
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applicationList.setApplications(applications);
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applicationList.setPagination(pagination);
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} catch (SQLException e) {
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throw new ApplicationManagementDAOException("Error occurred while getting application List", e);
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} catch (JSONException e) {
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throw new ApplicationManagementDAOException("Error occurred while parsing JSON", e);
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} catch (DBConnectionException e) {
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throw new ApplicationManagementDAOException("Error occurred while obtaining the DB connection.", e);
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} finally {
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ApplicationManagementDAOUtil.cleanupResources(stmt, rs);
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}
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return applicationList;
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}
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private Connection getConnection() throws DBConnectionException {
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return ConnectionManagerUtil.getConnection();
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}
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}
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16
components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java → components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/MySQLApplicationDAOImpl.java
16
components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/GenericApplicationDAOImpl.java → components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/dao/impl/application/MySQLApplicationDAOImpl.java
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