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/*
* Copyright 2022 - 2023 Anton Tananaev (anton@traccar.org)
*
* 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.helper.model;
import org.traccar.api.security.PermissionsService;
import org.traccar.config.Config;
import org.traccar.config.ConfigKey;
import org.traccar.config.KeyType;
import org.traccar.config.Keys;
import org.traccar.model.Device;
import org.traccar.model.Group;
import org.traccar.model.Server;
import org.traccar.session.cache.CacheManager;
import org.traccar.storage.Storage;
import org.traccar.storage.StorageException;
import org.traccar.storage.query.Columns;
import org.traccar.storage.query.Condition;
import org.traccar.storage.query.Request;
public final class AttributeUtil {
private AttributeUtil() {
}
public interface Provider {
Device getDevice();
Group getGroup(long groupId);
Server getServer();
Config getConfig();
}
public static <T> T lookup(CacheManager cacheManager, ConfigKey<T> key, long deviceId) {
return lookup(new CacheProvider(cacheManager, deviceId), key);
}
@SuppressWarnings({ "deprecation", "unchecked" })
public static <T> T lookup(Provider provider, ConfigKey<T> key) {
Device device = provider.getDevice();
Object result = device.getAttributes().get(key.getKey());
long groupId = device.getGroupId();
while (result == null && groupId > 0) {
Group group = provider.getGroup(groupId);
if (group != null) {
result = group.getAttributes().get(key.getKey());
groupId = group.getGroupId();
} else {
groupId = 0;
}
}
if (result == null && key.hasType(KeyType.SERVER)) {
result = provider.getServer().getAttributes().get(key.getKey());
}
if (result == null && key.hasType(KeyType.CONFIG)) {
result = provider.getConfig().getString(key.getKey());
}
if (result != null) {
Class<T> valueClass = key.getValueClass();
if (valueClass.equals(Boolean.class)) {
return (T) (result instanceof String stringResult
? Boolean.parseBoolean(stringResult)
: result);
} else if (valueClass.equals(Integer.class)) {
return (T) (Object) (result instanceof String stringResult
? Integer.parseInt(stringResult)
: ((Number) result).intValue());
} else if (valueClass.equals(Long.class)) {
return (T) (Object) (result instanceof String stringResult
? Long.parseLong(stringResult)
: ((Number) result).longValue());
} else if (valueClass.equals(Double.class)) {
return (T) (Object) (result instanceof String stringResult
? Double.parseDouble(stringResult)
: ((Number) result).doubleValue());
} else {
return (T) result;
}
}
return key.getDefaultValue();
}
public static String getDevicePassword(
CacheManager cacheManager, long deviceId, String protocol, String defaultPassword) {
String password = lookup(cacheManager, Keys.DEVICE_PASSWORD, deviceId);
if (password != null) {
return password;
}
if (protocol != null) {
password = cacheManager.getConfig().getString(Keys.PROTOCOL_DEVICE_PASSWORD.withPrefix(protocol));
if (password != null) {
return password;
}
}
return defaultPassword;
}
public static class CacheProvider implements Provider {
private final CacheManager cacheManager;
private final long deviceId;
public CacheProvider(CacheManager cacheManager, long deviceId) {
this.cacheManager = cacheManager;
this.deviceId = deviceId;
}
@Override
public Device getDevice() {
return cacheManager.getObject(Device.class, deviceId);
}
@Override
public Group getGroup(long groupId) {
return cacheManager.getObject(Group.class, groupId);
}
@Override
public Server getServer() {
return cacheManager.getServer();
}
@Override
public Config getConfig() {
return cacheManager.getConfig();
}
}
public static class StorageProvider implements Provider {
private final Config config;
private final Storage storage;
private final PermissionsService permissionsService;
private final Device device;
public StorageProvider(Config config, Storage storage, PermissionsService permissionsService, Device device) {
this.config = config;
this.storage = storage;
this.permissionsService = permissionsService;
this.device = device;
}
@Override
public Device getDevice() {
return device;
}
@Override
public Group getGroup(long groupId) {
try {
return storage.getObject(
Group.class, new Request(new Columns.All(), new Condition.Equals("id", groupId)));
} catch (StorageException e) {
throw new RuntimeException(e);
}
}
@Override
public Server getServer() {
try {
return permissionsService.getServer();
} catch (StorageException e) {
throw new RuntimeException(e);
}
}
@Override
public Config getConfig() {
return config;
}
}
}
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