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authorAnton Tananaev <anton@traccar.org>2022-06-18 10:00:52 -0700
committerAnton Tananaev <anton@traccar.org>2022-06-18 10:00:52 -0700
commitc248ed30047a0525bf792730a0fbd4de0c89ad8e (patch)
tree750adc33654a4f8947e09528cfb85534cfceb8f1 /src/main/java/org/traccar/helper/model
parent68826cdc767bae6b8b39e88667372f0c6161efa9 (diff)
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Refactor attribute lookup
Diffstat (limited to 'src/main/java/org/traccar/helper/model')
-rw-r--r--src/main/java/org/traccar/helper/model/AttributeUtil.java72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/model/AttributeUtil.java b/src/main/java/org/traccar/helper/model/AttributeUtil.java
new file mode 100644
index 000000000..5b3fc1cbe
--- /dev/null
+++ b/src/main/java/org/traccar/helper/model/AttributeUtil.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2022 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.config.ConfigKey;
+import org.traccar.config.KeyType;
+import org.traccar.model.Device;
+import org.traccar.model.Group;
+import org.traccar.session.cache.CacheManager;
+
+public final class AttributeUtil {
+
+ private AttributeUtil() {
+ }
+
+ @SuppressWarnings({ "deprecation", "unchecked" })
+ public static <T> T lookup(CacheManager cacheManager, ConfigKey<T> key, long deviceId) {
+ Device device = cacheManager.getObject(Device.class, deviceId);
+ Object result = device.getAttributes().get(key.getKey());
+ long groupId = device.getGroupId();
+ while (result == null && groupId > 0) {
+ Group group = cacheManager.getObject(Group.class, groupId);
+ if (group != null) {
+ result = group.getAttributes().get(key.getKey());
+ }
+ }
+ if (result == null && key.hasType(KeyType.SERVER)) {
+ result = cacheManager.getServer().getAttributes().get(key.getKey());
+ }
+ if (result == null && key.hasType(KeyType.CONFIG)) {
+ result = cacheManager.getConfig().getString(key.getKey());
+ }
+
+ if (result != null) {
+ Class<T> valueClass = key.getValueClass();
+ if (valueClass.equals(Boolean.class)) {
+ return (T) (result instanceof String
+ ? Boolean.parseBoolean((String) result)
+ : result);
+ } else if (valueClass.equals(Integer.class)) {
+ return (T) (Object) (result instanceof String
+ ? Integer.parseInt((String) result)
+ : ((Number) result).intValue());
+ } else if (valueClass.equals(Long.class)) {
+ return (T) (Object) (result instanceof String
+ ? Long.parseLong((String) result)
+ : ((Number) result).longValue());
+ } else if (valueClass.equals(Double.class)) {
+ return (T) (Object) (result instanceof String
+ ? Double.parseDouble((String) result)
+ : ((Number) result).doubleValue());
+ } else {
+ return (T) result;
+ }
+ }
+ return key.getDefaultValue();
+ }
+
+}