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-rw-r--r--src/org/traccar/database/DataManager.java232
-rw-r--r--src/org/traccar/database/NamedParameterStatement.java166
2 files changed, 398 insertions, 0 deletions
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
new file mode 100644
index 000000000..27f4cb5c2
--- /dev/null
+++ b/src/org/traccar/database/DataManager.java
@@ -0,0 +1,232 @@
+/*
+ * Copyright 2012 - 2014 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.traccar.database;
+
+import com.mchange.v2.c3p0.ComboPooledDataSource;
+import java.io.File;
+import java.io.StringReader;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.sql.*;
+import java.util.*;
+import javax.sql.DataSource;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+import org.traccar.helper.DriverDelegate;
+import org.traccar.helper.Log;
+import org.traccar.model.Device;
+import org.traccar.model.Position;
+import org.xml.sax.InputSource;
+
+/**
+ * Database abstraction class
+ */
+public class DataManager {
+
+ public DataManager(Properties properties) throws Exception {
+ if (properties != null) {
+ initDatabase(properties);
+ }
+ }
+
+ private DataSource dataSource;
+
+ public DataSource getDataSource() {
+ return dataSource;
+ }
+
+ /**
+ * Database statements
+ */
+ private NamedParameterStatement queryGetDevices;
+ private NamedParameterStatement queryAddPosition;
+ private NamedParameterStatement queryUpdateLatestPosition;
+
+ /**
+ * Initialize database
+ */
+ private void initDatabase(Properties properties) throws Exception {
+
+ // Load driver
+ String driver = properties.getProperty("database.driver");
+ if (driver != null) {
+ String driverFile = properties.getProperty("database.driverFile");
+
+ if (driverFile != null) {
+ URL url = new URL("jar:file:" + new File(driverFile).getAbsolutePath() + "!/");
+ URLClassLoader cl = new URLClassLoader(new URL[]{url});
+ Driver d = (Driver) Class.forName(driver, true, cl).newInstance();
+ DriverManager.registerDriver(new DriverDelegate(d));
+ } else {
+ Class.forName(driver);
+ }
+ }
+
+ // Initialize data source
+ ComboPooledDataSource ds = new ComboPooledDataSource();
+ ds.setDriverClass(properties.getProperty("database.driver"));
+ ds.setJdbcUrl(properties.getProperty("database.url"));
+ ds.setUser(properties.getProperty("database.user"));
+ ds.setPassword(properties.getProperty("database.password"));
+ ds.setIdleConnectionTestPeriod(600);
+ ds.setTestConnectionOnCheckin(true);
+ dataSource = ds;
+
+ // Load statements from configuration
+ String query;
+
+ query = properties.getProperty("database.selectDevice");
+ if (query != null) {
+ queryGetDevices = new NamedParameterStatement(query);
+ }
+
+ query = properties.getProperty("database.insertPosition");
+ if (query != null) {
+ queryAddPosition = new NamedParameterStatement(query);
+ }
+
+ query = properties.getProperty("database.updateLatestPosition");
+ if (query != null) {
+ queryUpdateLatestPosition = new NamedParameterStatement(query);
+ }
+ }
+
+ public synchronized List<Device> getDevices() throws SQLException {
+
+ List<Device> deviceList = new LinkedList<Device>();
+
+ if (queryGetDevices != null) {
+ Connection connection = dataSource.getConnection();
+ try {
+ PreparedStatement statement = queryGetDevices.prepare(connection);
+ try {
+ ResultSet result = statement.executeQuery();
+ while (result.next()) {
+ Device device = new Device();
+ device.setId(result.getLong("id"));
+ device.setImei(result.getString("imei"));
+ deviceList.add(device);
+ }
+ } finally {
+ statement.close();
+ }
+ } finally {
+ connection.close();
+ }
+ }
+
+ return deviceList;
+ }
+
+ /**
+ * Devices cache
+ */
+ private Map<String, Device> devices;
+
+ public Device getDeviceByImei(String imei) throws SQLException {
+
+ if (devices == null || !devices.containsKey(imei)) {
+ devices = new HashMap<String, Device>();
+ for (Device device : getDevices()) {
+ devices.put(device.getImei(), device);
+ }
+ }
+
+ return devices.get(imei);
+ }
+
+ public synchronized Long addPosition(Position position) throws SQLException {
+
+ if (queryAddPosition != null) {
+ Connection connection = dataSource.getConnection();
+ try {
+ PreparedStatement statement = queryAddPosition.prepare(connection, Statement.RETURN_GENERATED_KEYS);
+ try {
+ assignVariables(queryAddPosition, statement, position);
+ statement.executeUpdate();
+
+ ResultSet result = statement.getGeneratedKeys();
+ if (result != null && result.next()) {
+ return result.getLong(1);
+ }
+ } finally {
+ statement.close();
+ }
+ } finally {
+ connection.close();
+ }
+ }
+
+ return null;
+ }
+
+ public void updateLatestPosition(Position position, Long positionId) throws SQLException {
+ if (queryUpdateLatestPosition != null) {
+ Connection connection = dataSource.getConnection();
+ try {
+ PreparedStatement statement = queryUpdateLatestPosition.prepare(connection);
+ try {
+ assignVariables(queryUpdateLatestPosition, statement, position);
+ queryUpdateLatestPosition.setLong(statement, "id", positionId);
+ statement.executeUpdate();
+ } finally {
+ statement.close();
+ }
+ } finally {
+ connection.close();
+ }
+ }
+ }
+
+ private void assignVariables(NamedParameterStatement nps, PreparedStatement ps, Position position) throws SQLException {
+
+ nps.setLong(ps, "device_id", position.getDeviceId());
+ nps.setTimestamp(ps, "time", position.getTime());
+ nps.setBoolean(ps, "valid", position.getValid());
+ nps.setDouble(ps, "altitude", position.getAltitude());
+ nps.setDouble(ps, "latitude", position.getLatitude());
+ nps.setDouble(ps, "longitude", position.getLongitude());
+ nps.setDouble(ps, "speed", position.getSpeed());
+ nps.setDouble(ps, "course", position.getCourse());
+ nps.setString(ps, "address", position.getAddress());
+ nps.setString(ps, "extended_info", position.getExtendedInfo());
+
+ // DELME: Temporary compatibility support
+ XPath xpath = XPathFactory.newInstance().newXPath();
+ try {
+ InputSource source = new InputSource(new StringReader(position.getExtendedInfo()));
+ String index = xpath.evaluate("/info/index", source);
+ if (!index.isEmpty()) {
+ nps.setLong(ps, "id", Long.valueOf(index));
+ } else {
+ nps.setLong(ps, "id", null);
+ }
+ source = new InputSource(new StringReader(position.getExtendedInfo()));
+ String power = xpath.evaluate("/info/power", source);
+ if (!power.isEmpty()) {
+ nps.setDouble(ps, "power", Double.valueOf(power));
+ } else {
+ nps.setLong(ps, "power", null);
+ }
+ } catch (XPathExpressionException e) {
+ Log.warning("Error in XML: " + position.getExtendedInfo(), e);
+ nps.setLong(ps, "id", null);
+ nps.setLong(ps, "power", null);
+ }
+ }
+
+}
diff --git a/src/org/traccar/database/NamedParameterStatement.java b/src/org/traccar/database/NamedParameterStatement.java
new file mode 100644
index 000000000..850462b2c
--- /dev/null
+++ b/src/org/traccar/database/NamedParameterStatement.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2012 - 2014 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.traccar.database;
+
+import java.sql.*;
+import java.util.*;
+import java.util.Date;
+
+public class NamedParameterStatement {
+
+ private final Map<String, List<Integer>> indexMap;
+
+ private final String parsedQuery;
+
+ public NamedParameterStatement(String query) {
+ indexMap = new HashMap<String, List<Integer>>();
+ parsedQuery = parse(query, indexMap);
+ }
+
+ static String parse(String query, Map<String, List<Integer>> paramMap) {
+
+ int length = query.length();
+ StringBuilder parsedQuery = new StringBuilder(length);
+ boolean inSingleQuote = false;
+ boolean inDoubleQuote = false;
+ int index = 1;
+
+ for(int i = 0; i < length; i++) {
+
+ char c = query.charAt(i);
+
+ // String end
+ if (inSingleQuote) {
+ if (c == '\'') inSingleQuote = false;
+ } else if (inDoubleQuote) {
+ if (c == '"') inDoubleQuote = false;
+ } else {
+
+ // String begin
+ if (c == '\'') {
+ inSingleQuote = true;
+ } else if (c == '"') {
+ inDoubleQuote = true;
+ } else if (c == ':' && i + 1 < length &&
+ Character.isJavaIdentifierStart(query.charAt(i + 1))) {
+
+ // Identifier name
+ int j = i + 2;
+ while (j < length && Character.isJavaIdentifierPart(query.charAt(j))) j++;
+
+ String name = query.substring(i + 1, j);
+ c = '?';
+ i += name.length();
+
+ // Add to list
+ List<Integer> indexList = paramMap.get(name);
+ if (indexList == null) {
+ indexList = new LinkedList<Integer>();
+ paramMap.put(name, indexList);
+ }
+ indexList.add(index);
+
+ index++;
+ }
+ }
+
+ parsedQuery.append(c);
+ }
+
+ return parsedQuery.toString();
+ }
+
+ public PreparedStatement prepare(Connection connection, int autoGeneratedKeys) throws SQLException {
+ return connection.prepareStatement(parsedQuery, autoGeneratedKeys);
+ }
+
+ public PreparedStatement prepare(Connection connection) throws SQLException {
+ return prepare(connection, Statement.NO_GENERATED_KEYS);
+ }
+
+ public void setInt(PreparedStatement statement, String name, Integer value) throws SQLException {
+
+ List<Integer> indexList = indexMap.get(name);
+ if (indexList != null) for (Integer index: indexList) {
+ if (value != null) {
+ statement.setInt(index, value);
+ } else {
+ statement.setNull(index, Types.INTEGER);
+ }
+ }
+ }
+
+ public void setLong(PreparedStatement statement, String name, Long value) throws SQLException {
+
+ List<Integer> indexList = indexMap.get(name);
+ if (indexList != null) for (Integer index: indexList) {
+ if (value != null) {
+ statement.setLong(index, value);
+ } else {
+ statement.setNull(index, Types.INTEGER);
+ }
+ }
+ }
+
+ public void setBoolean(PreparedStatement statement, String name, Boolean value) throws SQLException {
+
+ List<Integer> indexList = indexMap.get(name);
+ if (indexList != null) for (Integer index: indexList) {
+ if (value != null) {
+ statement.setBoolean(index, value);
+ } else {
+ statement.setNull(index, Types.BOOLEAN);
+ }
+ }
+ }
+
+ public void setDouble(PreparedStatement statement, String name, Double value) throws SQLException {
+
+ List<Integer> indexList = indexMap.get(name);
+ if (indexList != null) for (Integer index: indexList) {
+ if (value != null) {
+ statement.setDouble(index, value);
+ } else {
+ statement.setNull(index, Types.DOUBLE);
+ }
+ }
+ }
+
+ public void setTimestamp(PreparedStatement statement, String name, Date value) throws SQLException {
+
+ List<Integer> indexList = indexMap.get(name);
+ if (indexList != null) for (Integer index: indexList) {
+ if (value != null) {
+ statement.setTimestamp(index, new Timestamp(value.getTime()));
+ } else {
+ statement.setNull(index, Types.TIMESTAMP);
+ }
+ }
+ }
+
+ public void setString(PreparedStatement statement, String name, String value) throws SQLException {
+
+ List<Integer> indexList = indexMap.get(name);
+ if (indexList != null) for (Integer index: indexList) {
+ if (value != null) {
+ statement.setString(index, value);
+ } else {
+ statement.setNull(index, Types.VARCHAR);
+ }
+ }
+ }
+
+}
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