forked from community/device-mgt-core
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/*
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* Copyright (c) 2019, Entgra Pvt Ltd. (http://www.wso2.org) All Rights Reserved.
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*
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* Entgra Pvt Ltd. 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.mgt.core.operation.mgt.dao.impl;
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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.wso2.carbon.device.mgt.core.dto.operation.mgt.ConfigOperation;
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import org.wso2.carbon.device.mgt.core.dto.operation.mgt.Operation;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOException;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOFactory;
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import org.wso2.carbon.device.mgt.core.operation.mgt.dao.OperationManagementDAOUtil;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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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.sql.Timestamp;
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import java.util.ArrayList;
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import java.util.List;
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public class ConfigOperationPostgresDAOImpl extends GenericOperationDAOImpl {
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private static final Log log = LogFactory.getLog(ConfigOperationPostgresDAOImpl.class);
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@Override
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public int addOperation(Operation operation) throws OperationManagementDAOException {
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int operationId = 0;
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PreparedStatement stmt = null;
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try {
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operationId = super.addOperation(operation);
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operation.setCreatedTimeStamp(new Timestamp(new java.util.Date().getTime()).toString());
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Connection conn = OperationManagementDAOFactory.getConnection();
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stmt = conn.prepareStatement("INSERT INTO DM_CONFIG_OPERATION(OPERATION_ID, OPERATION_CONFIG) VALUES(?, ?)");
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stmt.setInt(1, operationId);
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stmt.setBytes(2, toByteArray(operation));
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stmt.executeUpdate();
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} catch (SQLException e) {
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String msg = "Error occurred while adding command operation " + operationId;
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log.error(msg, e);
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throw new OperationManagementDAOException(msg, e);
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} finally {
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OperationManagementDAOUtil.cleanupResources(stmt);
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}
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return operationId;
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}
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private byte[] toByteArray(Operation operation) throws OperationManagementDAOException {
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byte[] bytes;
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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try {
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ObjectOutputStream objectOutput = new ObjectOutputStream(bos);
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objectOutput.writeObject(operation);
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objectOutput.flush();
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bytes = bos.toByteArray();
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objectOutput.close();
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} catch (IOException e) {
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String msg = "Error when converting operation id " + operation + " to input stream";
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log.error(msg, e);
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throw new OperationManagementDAOException(msg, e);
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}
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return bytes;
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}
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private Object fromByteArray(byte[] bytes) throws OperationManagementDAOException {
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InputStream binaryInput = new ByteArrayInputStream(bytes);
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Object object;
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ObjectInputStream in = null;
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try {
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if (binaryInput.available() == 0) {
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return null;
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}
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in = new ObjectInputStream(binaryInput);
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object = in.readObject();
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} catch (ClassNotFoundException e) {
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String msg = "Error when converting store config to operation due to missing class";
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log.error(msg, e);
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throw new OperationManagementDAOException(msg, e);
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} catch (IOException e) {
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String msg = "Error when converting store config to operation";
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log.error(msg, e);
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throw new OperationManagementDAOException(msg, e);
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} finally {
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try {
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if (in != null) {
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in.close();
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}
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} catch (IOException e) {
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}
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}
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return object;
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}
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@Override
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public Operation getOperation(int operationId) throws OperationManagementDAOException {
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PreparedStatement stmt = null;
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ResultSet rs = null;
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ConfigOperation configOperation = null;
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try {
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Connection conn = OperationManagementDAOFactory.getConnection();
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String sql = "SELECT OPERATION_ID, ENABLED, OPERATION_CONFIG FROM DM_CONFIG_OPERATION WHERE OPERATION_ID = ?";
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stmt = conn.prepareStatement(sql);
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stmt.setInt(1, operationId);
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rs = stmt.executeQuery();
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if (rs.next()) {
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configOperation = (ConfigOperation) fromByteArray(rs.getBytes("OPERATION_CONFIG"));
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configOperation.setId(rs.getInt("OPERATION_ID"));
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configOperation.setEnabled(rs.getBoolean("ENABLED"));
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}
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} catch (SQLException e) {
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String msg = "SQL Error occurred while retrieving the policy operation object available for the id '"
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+ operationId;
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log.error(msg, e);
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throw new OperationManagementDAOException(msg, e);
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} finally {
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OperationManagementDAOUtil.cleanupResources(stmt, rs);
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}
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return configOperation;
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}
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@Override
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public List<? extends Operation> getOperationsByDeviceAndStatus(int enrolmentId, Operation.Status status)
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throws OperationManagementDAOException {
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PreparedStatement stmt = null;
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ResultSet rs = null;
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ConfigOperation configOperation;
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List<Operation> operations = new ArrayList<>();
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try {
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Connection conn = OperationManagementDAOFactory.getConnection();
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String sql = "SELECT co.OPERATION_ID, co.OPERATION_CONFIG FROM DM_CONFIG_OPERATION co " +
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"INNER JOIN (SELECT * FROM DM_ENROLMENT_OP_MAPPING WHERE ENROLMENT_ID = ? " +
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"AND STATUS = ?) dm ON dm.OPERATION_ID = co.OPERATION_ID";
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stmt = conn.prepareStatement(sql);
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stmt.setInt(1, enrolmentId);
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stmt.setString(2, status.toString());
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rs = stmt.executeQuery();
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while (rs.next()) {
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configOperation = (ConfigOperation) fromByteArray(rs.getBytes("OPERATION_CONFIG"));
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configOperation.setStatus(status);
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configOperation.setId(rs.getInt("OPERATION_ID"));
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operations.add(configOperation);
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}
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} catch (SQLException e) {
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String msg = "SQL error occurred while retrieving the operation available " +
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"for the device'" + enrolmentId + "' with status '" + status.toString();
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log.error(msg, e);
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throw new OperationManagementDAOException(msg, e);
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} finally {
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OperationManagementDAOUtil.cleanupResources(stmt, rs);
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}
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return operations;
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}
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}
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