diff options
Diffstat (limited to 'src/org/traccar/database/DataManager.java')
| -rw-r--r-- | src/org/traccar/database/DataManager.java | 216 |
1 files changed, 163 insertions, 53 deletions
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java index 07ad0be44..63d98818d 100644 --- a/src/org/traccar/database/DataManager.java +++ b/src/org/traccar/database/DataManager.java @@ -15,14 +15,18 @@ */ package org.traccar.database; +import java.beans.Introspector; import java.io.File; import java.lang.reflect.Method; import java.net.URL; import java.net.URLClassLoader; import java.sql.SQLException; import java.text.SimpleDateFormat; +import java.util.Arrays; import java.util.Collection; import java.util.Date; +import java.util.HashSet; +import java.util.Set; import javax.naming.InitialContext; import javax.sql.DataSource; @@ -58,6 +62,12 @@ import com.zaxxer.hikari.HikariDataSource; public class DataManager { + public static final String ACTION_SELECT_ALL = "selectAll"; + public static final String ACTION_SELECT = "select"; + public static final String ACTION_INSERT = "insert"; + public static final String ACTION_UPDATE = "update"; + public static final String ACTION_DELETE = "delete"; + private final Config config; private DataSource dataSource; @@ -115,6 +125,76 @@ public class DataManager { } } + public static String constructObjectQuery(String action, Class<?> clazz, boolean extended) { + switch (action) { + case ACTION_INSERT: + case ACTION_UPDATE: + StringBuilder result = new StringBuilder(); + StringBuilder fields = new StringBuilder(); + StringBuilder values = new StringBuilder(); + + Set<Method> methods = new HashSet<>(Arrays.asList(clazz.getMethods())); + methods.removeAll(Arrays.asList(Object.class.getMethods())); + methods.removeAll(Arrays.asList(BaseModel.class.getMethods())); + for (Method method : methods) { + boolean skip; + if (extended) { + skip = !method.isAnnotationPresent(QueryExtended.class); + } else { + skip = method.isAnnotationPresent(QueryIgnore.class) + || method.isAnnotationPresent(QueryExtended.class); + } + if (!skip && method.getName().startsWith("get") && method.getParameterTypes().length == 0) { + String name = Introspector.decapitalize(method.getName().substring(3)); + if (action.equals(ACTION_INSERT)) { + fields.append(name).append(", "); + values.append(":").append(name).append(", "); + } else { + fields.append(name).append(" = :").append(name).append(", "); + } + } + } + fields.setLength(fields.length() - 2); + if (action.equals(ACTION_INSERT)) { + values.setLength(values.length() - 2); + result.append("INSERT INTO ").append(getObjectsTableName(clazz)).append(" ("); + result.append(fields).append(") "); + result.append("VALUES (").append(values).append(")"); + } else { + result.append("UPDATE ").append(getObjectsTableName(clazz)).append(" SET "); + result.append(fields); + result.append(" WHERE id = :id"); + } + return result.toString(); + case ACTION_SELECT_ALL: + return "SELECT * FROM " + getObjectsTableName(clazz); + case ACTION_SELECT: + return "SELECT * FROM " + getObjectsTableName(clazz) + " WHERE id = :id"; + case ACTION_DELETE: + return "DELETE FROM " + getObjectsTableName(clazz) + " WHERE id = :id"; + default: + throw new IllegalArgumentException("Unknown action"); + } + } + + public static String constructPermissionQuery(String action, Class<?> owner, Class<?> property) { + switch (action) { + case ACTION_SELECT_ALL: + return "SELECT " + makeNameId(owner) + ", " + makeNameId(property) + " FROM " + + getPermissionsTableName(owner, property); + case ACTION_INSERT: + return "INSERT INTO " + getPermissionsTableName(owner, property) + + " (" + makeNameId(owner) + ", " + makeNameId(property) + ") VALUES (:" + + makeNameId(owner) + ", :" + makeNameId(property) + ")"; + case ACTION_DELETE: + return "DELETE FROM " + getPermissionsTableName(owner, property) + + " WHERE " + makeNameId(owner) + " = :" + makeNameId(owner) + + " AND " + makeNameId(property) + " = :" + makeNameId(property); + default: + throw new IllegalArgumentException("Unknown action"); + } + } + private String getQuery(String key) { String query = config.getString(key); if (query == null) { @@ -123,6 +203,59 @@ public class DataManager { return query; } + public String getQuery(String action, Class<?> clazz) { + return getQuery(action, clazz, false); + } + + public String getQuery(String action, Class<?> clazz, boolean extended) { + String queryName; + if (action.equals(ACTION_SELECT_ALL)) { + queryName = "database.select" + clazz.getSimpleName() + "s"; + } else { + queryName = "database." + action.toLowerCase() + clazz.getSimpleName(); + if (extended) { + queryName += "Extended"; + } + } + String query = config.getString(queryName); + if (query == null) { + query = constructObjectQuery(action, clazz, extended); + config.setString(queryName, query); + } + + return query; + } + + public String getQuery(String action, Class<?> owner, Class<?> property) { + String queryName; + if (action.equals(ACTION_SELECT_ALL)) { + queryName = "database.select" + owner.getSimpleName() + property.getSimpleName() + "s"; + } else if (action.equals(ACTION_INSERT)) { + queryName = "database.link" + owner.getSimpleName() + property.getSimpleName(); + } else { + queryName = "database.unlink" + owner.getSimpleName() + property.getSimpleName(); + } + String query = config.getString(queryName); + if (query == null) { + query = constructPermissionQuery(action, owner, property.equals(User.class) ? ManagedUser.class : property); + config.setString(queryName, query); + } + + return query; + } + + private static String getPermissionsTableName(Class<?> owner, Class<?> property) { + String propertyName = property.getSimpleName(); + if (propertyName.equals("ManagedUser")) { + propertyName = "User"; + } + return Introspector.decapitalize(owner.getSimpleName()) + "_" + Introspector.decapitalize(propertyName); + } + + private static String getObjectsTableName(Class<?> clazz) { + return Introspector.decapitalize(clazz.getSimpleName()) + "s"; + } + private void initDatabaseSchema() throws SQLException, LiquibaseException { if (config.hasKey("database.changelog")) { @@ -155,19 +288,8 @@ public class DataManager { } } - public void updateUser(User user) throws SQLException { - QueryBuilder.create(dataSource, getQuery("database.updateUser")) - .setObject(user) - .executeUpdate(); - if (user.getHashedPassword() != null) { - QueryBuilder.create(dataSource, getQuery("database.updateUserPassword")) - .setObject(user) - .executeUpdate(); - } - } - public void updateDeviceStatus(Device device) throws SQLException { - QueryBuilder.create(dataSource, getQuery("database.updateDeviceStatus")) + QueryBuilder.create(dataSource, getQuery(ACTION_UPDATE, Device.class, true)) .setObject(device) .executeUpdate(); } @@ -180,16 +302,10 @@ public class DataManager { .executeQuery(Position.class); } - public Position getPosition(long positionId) throws SQLException { - return QueryBuilder.create(dataSource, getQuery("database.selectPosition")) - .setLong("id", positionId) - .executeQuerySingle(Position.class); - } - public void addPosition(Position position) throws SQLException { - position.setId(QueryBuilder.create(dataSource, getQuery("database.insertPosition"), true) - .setDate("now", new Date()) + position.setId(QueryBuilder.create(dataSource, getQuery(ACTION_INSERT, Position.class), true) .setObject(position) + .setDate("serverTime", new Date()) .executeUpdate()); } @@ -220,16 +336,10 @@ public class DataManager { } public Server getServer() throws SQLException { - return QueryBuilder.create(dataSource, getQuery("database.selectServers")) + return QueryBuilder.create(dataSource, getQuery(ACTION_SELECT_ALL, Server.class)) .executeQuerySingle(Server.class); } - public Event getEvent(long eventId) throws SQLException { - return QueryBuilder.create(dataSource, getQuery("database.selectEvent")) - .setLong("id", eventId) - .executeQuerySingle(Event.class); - } - public Collection<Event> getEvents(long deviceId, Date from, Date to) throws SQLException { return QueryBuilder.create(dataSource, getQuery("database.selectEvents")) .setLong("deviceId", deviceId) @@ -268,12 +378,6 @@ public class DataManager { .executeQuery(Statistics.class); } - public void addStatistics(Statistics statistics) throws SQLException { - statistics.setId(QueryBuilder.create(dataSource, getQuery("database.insertStatistics"), true) - .setObject(statistics) - .executeUpdate()); - } - public static Class<?> getClassByName(String name) throws ClassNotFoundException { switch (name.toLowerCase().replace("id", "")) { case "device": @@ -299,47 +403,53 @@ public class DataManager { public static String makeNameId(Class<?> clazz) { String name = clazz.getSimpleName(); - return name.substring(0, 1).toLowerCase() + name.substring(1) + (name.indexOf("Id") == -1 ? "Id" : ""); + return Introspector.decapitalize(name) + (name.indexOf("Id") == -1 ? "Id" : ""); + } + + public Collection<Permission> getPermissions(Class<? extends BaseModel> owner, Class<? extends BaseModel> property) + throws SQLException, ClassNotFoundException { + return QueryBuilder.create(dataSource, getQuery(ACTION_SELECT_ALL, owner, property)) + .executePermissionsQuery(); } public void linkObject(Class<?> owner, long ownerId, Class<?> property, long propertyId, boolean link) throws SQLException { - String query = "database." + (link ? "link" : "unlink") + owner.getSimpleName() + property.getSimpleName(); - QueryBuilder queryBuilder = QueryBuilder.create(dataSource, getQuery(query)); - - queryBuilder.setLong(makeNameId(owner), ownerId); - queryBuilder.setLong(makeNameId(property), propertyId); - queryBuilder.executeUpdate(); + QueryBuilder.create(dataSource, getQuery(link ? ACTION_INSERT : ACTION_DELETE, owner, property)) + .setLong(makeNameId(owner), ownerId) + .setLong(makeNameId(property), propertyId) + .executeUpdate(); } - public <T> Collection<T> getObjects(Class<T> clazz) throws SQLException { - String query = "database.select" + clazz.getSimpleName() + "s"; - return QueryBuilder.create(dataSource, getQuery(query)).executeQuery(clazz); + public <T extends BaseModel> T getObject(Class<T> clazz, long entityId) throws SQLException { + return QueryBuilder.create(dataSource, getQuery(ACTION_SELECT, clazz)) + .setLong("id", entityId) + .executeQuerySingle(clazz); } - public Collection<Permission> getPermissions(Class<? extends BaseModel> owner, - Class<? extends BaseModel> property) throws SQLException, ClassNotFoundException { - String query = "database.select" + owner.getSimpleName() + property.getSimpleName() + "s"; - return QueryBuilder.create(dataSource, getQuery(query)).executePermissionsQuery(); + public <T extends BaseModel> Collection<T> getObjects(Class<T> clazz) throws SQLException { + return QueryBuilder.create(dataSource, getQuery(ACTION_SELECT_ALL, clazz)) + .executeQuery(clazz); } public void addObject(BaseModel entity) throws SQLException { - String query = "database.insert" + entity.getClass().getSimpleName(); - entity.setId(QueryBuilder.create(dataSource, getQuery(query), true) + entity.setId(QueryBuilder.create(dataSource, getQuery(ACTION_INSERT, entity.getClass()), true) .setObject(entity) .executeUpdate()); } public void updateObject(BaseModel entity) throws SQLException { - String query = "database.update" + entity.getClass().getSimpleName(); - QueryBuilder.create(dataSource, getQuery(query)) + QueryBuilder.create(dataSource, getQuery(ACTION_UPDATE, entity.getClass())) .setObject(entity) .executeUpdate(); + if (entity instanceof User && ((User) entity).getHashedPassword() != null) { + QueryBuilder.create(dataSource, getQuery(ACTION_UPDATE, User.class, true)) + .setObject(entity) + .executeUpdate(); + } } public void removeObject(Class<? extends BaseModel> clazz, long entityId) throws SQLException { - String query = "database.delete" + clazz.getSimpleName(); - QueryBuilder.create(dataSource, getQuery(query)) + QueryBuilder.create(dataSource, getQuery(ACTION_DELETE, clazz)) .setLong("id", entityId) .executeUpdate(); } |