diff options
Diffstat (limited to 'src/org/traccar/helper')
-rw-r--r-- | src/org/traccar/helper/Clazz.java | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/src/org/traccar/helper/Clazz.java b/src/org/traccar/helper/Clazz.java deleted file mode 100644 index 1a1b445d5..000000000 --- a/src/org/traccar/helper/Clazz.java +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright 2015 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.helper; - -import java.beans.Introspector; -import java.io.Serializable; -import java.lang.reflect.Method; -import java.lang.reflect.ParameterizedType; -import java.lang.reflect.Type; - -public final class Clazz implements Serializable { - - public static Class getGenericArgumentType(Class currentClass) { - return getGenericArgumentType(currentClass, null, 0); - } - - public static Class getGenericArgumentType(Class currentClass, Class genericSuperClass, int argumentIndex) { - Type superType = currentClass.getGenericSuperclass(); - if (superType == null) { - throw new IllegalArgumentException(); - } - if (!(superType instanceof ParameterizedType) - || genericSuperClass != null - && ((ParameterizedType) superType).getRawType() != genericSuperClass) { - return getGenericArgumentType(currentClass.getSuperclass(), genericSuperClass, argumentIndex); - } - Object[] args = ((ParameterizedType) superType).getActualTypeArguments(); - if (argumentIndex >= args.length) { - throw new IllegalArgumentException(); - } - return cast(Class.class, args[argumentIndex]); - } - - public static <T> T newInstance(Class<T> clazz) { - try { - return clazz.newInstance(); - } catch (InstantiationException | IllegalAccessException e) { - throw new IllegalArgumentException(); - } - } - - public static <T> T cast(Class<T> classe, Object objeto) { - if (classe.isAssignableFrom(objeto.getClass())) { - return classe.cast(objeto); - } - throw new ClassCastException(); - } - - public static <T> long getId(T entity) throws Exception { - Method[] methods = entity.getClass().getMethods(); - for (final Method method : methods) { - if (method.getName().startsWith("get") && method.getParameterTypes().length == 0) { - final String name = Introspector.decapitalize(method.getName().substring(3)); - if (name.equals("id")) { - return Long.parseLong(method.invoke(entity).toString()); - } - } - } - throw new IllegalArgumentException(); - } - - public static <T, I> void setId(T entity, I id) throws Exception { - Method[] methods = entity.getClass().getMethods(); - for (final Method method : methods) { - if (method.getName().startsWith("set") && method.getParameterTypes().length == 1) { - final String name = Introspector.decapitalize(method.getName().substring(3)); - if (name.equals("id")) { - method.invoke(entity, id); - break; - } - } - } - } -} |