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/*
* Copyright 2012-2024 The Feign Authors
*
* 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 feign.form.util;
import static java.lang.reflect.Modifier.isFinal;
import static java.lang.reflect.Modifier.isStatic;
import static lombok.AccessLevel.PRIVATE;
import feign.form.FormProperty;
import java.lang.reflect.Field;
import java.lang.reflect.Type;
import java.rmi.UnexpectedException;
import java.security.PrivilegedAction;
import java.util.HashMap;
import java.util.Map;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.Setter;
import lombok.SneakyThrows;
import lombok.val;
import lombok.experimental.FieldDefaults;
/**
* An utility class to work with POJOs.
*
* @author Artem Labazin
*/
public final class PojoUtil {
public static boolean isUserPojo(@NonNull Object object) {
val type = object.getClass();
val packageName = type.getPackage().getName();
return !packageName.startsWith("java.");
}
public static boolean isUserPojo(@NonNull Type type) {
val typeName = type.toString();
return !typeName.startsWith("class java.");
}
@SneakyThrows
public static Map<String, Object> toMap(@NonNull Object object) {
val result = new HashMap<String, Object>();
val type = object.getClass();
for (val field : type.getDeclaredFields()) {
val modifiers = field.getModifiers();
if (isFinal(modifiers) || isStatic(modifiers)) {
continue;
}
field.setAccessible(true);
val fieldValue = field.get(object);
if (fieldValue == null) {
continue;
}
val propertyKey = field.isAnnotationPresent(FormProperty.class)
? field.getAnnotation(FormProperty.class).value()
: field.getName();
result.put(propertyKey, fieldValue);
}
return result;
}
private PojoUtil() throws UnexpectedException {
throw new UnexpectedException("It is not allowed to instantiate this class");
}
@Setter
@NoArgsConstructor
@FieldDefaults(level = PRIVATE)
private static final class SetAccessibleAction implements PrivilegedAction<Object> {
Field field;
@Override
public Object run() {
field.setAccessible(true);
return null;
}
}
}