com.github.joekerouac.common.tools.proxy.MethodMetadata Maven / Gradle / Ivy
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// Generated by delombok at Fri Mar 14 11:41:38 CST 2025
/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE
* file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file
* to You 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 com.github.joekerouac.common.tools.proxy;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import com.github.joekerouac.common.tools.constant.ExceptionProviderConst;
import com.github.joekerouac.common.tools.reflect.ReflectUtil;
import com.github.joekerouac.common.tools.util.Assert;
/**
* @author JoeKerouac
* @since 1.0.0
*/
public class MethodMetadata {
private static final Type[] NULL = new Type[0];
/**
* Object中声明的方法集合
*/
public static final List OBJECT_METHOD;
/**
* {@link Object#getClass() getClass}方法
*/
public static final MethodMetadata GET_CLASS_META;
/**
* {@link Object#hashCode() hashCode}方法
*/
public static final MethodMetadata HASH_CODE_META;
/**
* {@link Object#equals(Object) equals}方法
*/
public static final MethodMetadata EQUALS_META;
/**
* {@link Object#clone() clone}方法
*/
public static final MethodMetadata CLONE_META;
/**
* {@link Object#toString() toString}方法
*/
public static final MethodMetadata TO_STRING_META;
/**
* {@link Object#notify() notify方法}
*/
public static final MethodMetadata NOTIFY_META;
/**
* {@link Object#notifyAll() notifyAll}方法
*/
public static final MethodMetadata NOTIFY_ALL_META;
/**
* {@link Object#wait() wait}方法
*/
public static final MethodMetadata WAIT_META;
/**
* {@link Object#wait(long) wait}方法
*/
public static final MethodMetadata WAIT1_META;
/**
* {@link Object#wait(long, int) wait}方法
*/
public static final MethodMetadata WAIT2_META;
/**
* {@link Object#finalize() finalize方法}
*/
public static final MethodMetadata FINALIZE_META;
/**
* 方法名
*/
private final String name;
/**
* 声明类
*/
private final Class declareClass;
/**
* 方法参数类型列表
*/
private final Type[] params;
/**
* 对应的方法，可以为null
*/
private Method method;
public MethodMetadata(String name, Class declareClass, Method method, Type... params) {
Assert.notNull(name, "name 不能为 null", ExceptionProviderConst.IllegalArgumentExceptionProvider);
Assert.notNull(method, "method 不能为 null", ExceptionProviderConst.IllegalArgumentExceptionProvider);
Assert.notNull(declareClass, "declareClass 不能为 null", ExceptionProviderConst.IllegalArgumentExceptionProvider);
this.name = name;
this.declareClass = declareClass;
this.method = method;
this.params = params == null ? NULL : params;
}
static {
try {
OBJECT_METHOD = new ArrayList<>();
GET_CLASS_META = new MethodMetadata("getClass", Object.class, Object.class.getDeclaredMethod("getClass"));
HASH_CODE_META = new MethodMetadata("hashCode", Object.class, Object.class.getDeclaredMethod("hashCode"));
EQUALS_META = new MethodMetadata("equals", Object.class, Object.class.getDeclaredMethod("equals", Object.class), Object.class);
CLONE_META = new MethodMetadata("clone", Object.class, Object.class.getDeclaredMethod("clone"));
TO_STRING_META = new MethodMetadata("toString", Object.class, Object.class.getDeclaredMethod("toString"));
NOTIFY_META = new MethodMetadata("notify", Object.class, Object.class.getDeclaredMethod("notify"));
NOTIFY_ALL_META = new MethodMetadata("notifyAll", Object.class, Object.class.getDeclaredMethod("notifyAll"));
WAIT_META = new MethodMetadata("wait", Object.class, Object.class.getDeclaredMethod("wait"));
WAIT1_META = new MethodMetadata("wait", Object.class, Object.class.getDeclaredMethod("wait", long.class), long.class);
WAIT2_META = new MethodMetadata("wait", Object.class, Object.class.getDeclaredMethod("wait", long.class, int.class), long.class, int.class);
FINALIZE_META = new MethodMetadata("finalize", Object.class, Object.class.getDeclaredMethod("finalize"));
OBJECT_METHOD.add(GET_CLASS_META);
OBJECT_METHOD.add(HASH_CODE_META);
OBJECT_METHOD.add(EQUALS_META);
OBJECT_METHOD.add(CLONE_META);
OBJECT_METHOD.add(TO_STRING_META);
OBJECT_METHOD.add(NOTIFY_META);
OBJECT_METHOD.add(NOTIFY_ALL_META);
OBJECT_METHOD.add(WAIT_META);
OBJECT_METHOD.add(WAIT1_META);
OBJECT_METHOD.add(WAIT2_META);
OBJECT_METHOD.add(FINALIZE_META);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);
}
}
/**
* 根据method构建method元数据
*
* @param method
* method
* @return method元数据
*/
public static MethodMetadata build(Method method) {
return new MethodMetadata(method.getName(), method.getDeclaringClass(), method, method.getParameterTypes());
}
/**
* 判断方法是不是Object的方法（例如equals、toStirng等）
*
* @param method
* 方法
* @return 返回true表示是Object类的方法
*/
public static boolean isObjectMethod(Method method) {
return OBJECT_METHOD.stream().filter(meta -> meta.equals(MethodMetadata.build(method))).limit(1).count() > 0;
}
/**
* 使用指定对象和参数执行该方法，相当于调用{@link Method#invoke(Object, Object...)}
*
* @param target
* 对象
* @param args
* 参数
* @return 执行结果
*/
public T invoke(Object target, Object... args) {
return ReflectUtil.invoke(target, method, args);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null) {
return false;
}
if (o instanceof MethodMetadata) {
MethodMetadata that = (MethodMetadata) o;
return Objects.equals(name, that.name) && Arrays.equals(params, that.params);
}
return false;
}
@Override
public int hashCode() {
int result = Objects.hash(name);
result = 31 * result + Arrays.hashCode(params);
return result;
}
/**
* 方法名
*/
@java.lang.SuppressWarnings("all")
@lombok.Generated
public String getName() {
return this.name;
}
/**
* 声明类
*/
@java.lang.SuppressWarnings("all")
@lombok.Generated
public Class getDeclareClass() {
return this.declareClass;
}
/**
* 方法参数类型列表
*/
@java.lang.SuppressWarnings("all")
@lombok.Generated
public Type[] getParams() {
return this.params;
}
/**
* 对应的方法，可以为null
*/
@java.lang.SuppressWarnings("all")
@lombok.Generated
public Method getMethod() {
return this.method;
}
/**
* 对应的方法，可以为null
*/
@java.lang.SuppressWarnings("all")
@lombok.Generated
public void setMethod(final Method method) {
this.method = method;
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
@lombok.Generated
public java.lang.String toString() {
return "MethodMetadata(name=" + this.getName() + ", declareClass=" + this.getDeclareClass() + ", params=" + java.util.Arrays.deepToString(this.getParams()) + ", method=" + this.getMethod() + ")";
}
}
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