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spring core proxy : log trace - jdk dynamic proxy

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This commit is contained in:
haerong22
2021-11-16 02:38:16 +09:00
parent 8aa60ae09c
commit a7cef6704a
5 changed files with 190 additions and 1 deletions
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6
spring-core/proxy/src/main/java/com/example/proxy/ProxyApplication.java
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@@ -4,6 +4,8 @@ import com.example.proxy.config.AppV1Config;
import com.example.proxy.config.AppV2Config;
import com.example.proxy.config.v1_proxy.ConcreteProxyConfig;
import com.example.proxy.config.v1_proxy.InterfaceProxyConfig;
import com.example.proxy.config.v2_dynamicproxy.DynamicProxyBasicConfig;
import com.example.proxy.config.v2_dynamicproxy.DynamicProxyFilterConfig;
import com.example.proxy.trace.logtrace.LogTrace;
import com.example.proxy.trace.logtrace.ThreadLocalLogTrace;
import org.springframework.boot.SpringApplication;
@@ -13,7 +15,9 @@ import org.springframework.context.annotation.Import;
//@Import({AppV1Config.class, AppV2Config.class})
//@Import(InterfaceProxyConfig.class)
@Import(ConcreteProxyConfig.class)
//@Import(ConcreteProxyConfig.class)
//@Import(DynamicProxyBasicConfig.class)
@Import(DynamicProxyFilterConfig.class)
@SpringBootApplication(scanBasePackages = "com.example.proxy.app")
public class ProxyApplication {

52
spring-core/proxy/src/main/java/com/example/proxy/config/v2_dynamicproxy/DynamicProxyBasicConfig.java Normal file
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@@ -0,0 +1,52 @@
package com.example.proxy.config.v2_dynamicproxy;
import com.example.proxy.app.v1.*;
import com.example.proxy.config.v2_dynamicproxy.handler.LogTraceBasicHandler;
import com.example.proxy.trace.logtrace.LogTrace;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.lang.reflect.Proxy;
@Configuration
public class DynamicProxyBasicConfig {
@Bean
public OrderControllerV1 orderControllerV1(LogTrace logTrace) {
OrderControllerV1Impl orderController = new OrderControllerV1Impl(orderServiceV1(logTrace));
OrderControllerV1 proxy = (OrderControllerV1) Proxy.newProxyInstance(
OrderControllerV1.class.getClassLoader(),
new Class[]{OrderControllerV1.class},
new LogTraceBasicHandler(orderController, logTrace)
);
return proxy;
}
@Bean
public OrderServiceV1 orderServiceV1(LogTrace logTrace) {
OrderServiceV1Impl orderService = new OrderServiceV1Impl(orderRepositoryV1(logTrace));
OrderServiceV1 proxy = (OrderServiceV1) Proxy.newProxyInstance(
OrderServiceV1.class.getClassLoader(),
new Class[]{OrderServiceV1.class},
new LogTraceBasicHandler(orderService, logTrace)
);
return proxy;
}
@Bean
public OrderRepositoryV1 orderRepositoryV1(LogTrace logTrace) {
OrderRepositoryV1Impl orderRepository = new OrderRepositoryV1Impl();
OrderRepositoryV1 proxy = (OrderRepositoryV1) Proxy.newProxyInstance(
OrderRepositoryV1.class.getClassLoader(),
new Class[]{OrderRepositoryV1.class},
new LogTraceBasicHandler(orderRepository, logTrace)
);
return proxy;
}
}

54
spring-core/proxy/src/main/java/com/example/proxy/config/v2_dynamicproxy/DynamicProxyFilterConfig.java Normal file
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@@ -0,0 +1,54 @@
package com.example.proxy.config.v2_dynamicproxy;
import com.example.proxy.app.v1.*;
import com.example.proxy.config.v2_dynamicproxy.handler.LogTraceFilterHandler;
import com.example.proxy.trace.logtrace.LogTrace;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.lang.reflect.Proxy;
@Configuration
public class DynamicProxyFilterConfig {
private static final String[] PATTERNS = {"request*", "order*", "save*"};
@Bean
public OrderControllerV1 orderControllerV1(LogTrace logTrace) {
OrderControllerV1Impl orderController = new OrderControllerV1Impl(orderServiceV1(logTrace));
OrderControllerV1 proxy = (OrderControllerV1) Proxy.newProxyInstance(
OrderControllerV1.class.getClassLoader(),
new Class[]{OrderControllerV1.class},
new LogTraceFilterHandler(orderController, logTrace, PATTERNS)
);
return proxy;
}
@Bean
public OrderServiceV1 orderServiceV1(LogTrace logTrace) {
OrderServiceV1Impl orderService = new OrderServiceV1Impl(orderRepositoryV1(logTrace));
OrderServiceV1 proxy = (OrderServiceV1) Proxy.newProxyInstance(
OrderServiceV1.class.getClassLoader(),
new Class[]{OrderServiceV1.class},
new LogTraceFilterHandler(orderService, logTrace, PATTERNS)
);
return proxy;
}
@Bean
public OrderRepositoryV1 orderRepositoryV1(LogTrace logTrace) {
OrderRepositoryV1Impl orderRepository = new OrderRepositoryV1Impl();
OrderRepositoryV1 proxy = (OrderRepositoryV1) Proxy.newProxyInstance(
OrderRepositoryV1.class.getClassLoader(),
new Class[]{OrderRepositoryV1.class},
new LogTraceFilterHandler(orderRepository, logTrace, PATTERNS)
);
return proxy;
}
}

34
spring-core/proxy/src/main/java/com/example/proxy/config/v2_dynamicproxy/handler/LogTraceBasicHandler.java Normal file
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@@ -0,0 +1,34 @@
package com.example.proxy.config.v2_dynamicproxy.handler;
import com.example.proxy.trace.TraceStatus;
import com.example.proxy.trace.logtrace.LogTrace;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
public class LogTraceBasicHandler implements InvocationHandler {
private final Object target;
private final LogTrace logTrace;
public LogTraceBasicHandler(Object target, LogTrace logTrace) {
this.target = target;
this.logTrace = logTrace;
}
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
TraceStatus status = null;
try {
String message = method.getDeclaringClass().getSimpleName() + "." + method.getName() + "()";
status = logTrace.begin(message);
Object result = method.invoke(target, args);
logTrace.end(status);
return result;
} catch (Exception e) {
logTrace.exception(status, e);
throw e;
}
}
}

45
spring-core/proxy/src/main/java/com/example/proxy/config/v2_dynamicproxy/handler/LogTraceFilterHandler.java Normal file
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@@ -0,0 +1,45 @@
package com.example.proxy.config.v2_dynamicproxy.handler;
import com.example.proxy.trace.TraceStatus;
import com.example.proxy.trace.logtrace.LogTrace;
import org.springframework.util.PatternMatchUtils;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
public class LogTraceFilterHandler implements InvocationHandler {
private final Object target;
private final LogTrace logTrace;
private final String[] patterns;
public LogTraceFilterHandler(Object target, LogTrace logTrace, String[] patterns) {
this.target = target;
this.logTrace = logTrace;
this.patterns = patterns;
}
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
//메서드 이름 필터
String methodName = method.getName();
//save, request, reque*, *est , ...
if (!PatternMatchUtils.simpleMatch(patterns, methodName)) {
return method.invoke(target, args);
}
TraceStatus status = null;
try {
String message = method.getDeclaringClass().getSimpleName() + "." + method.getName() + "()";
status = logTrace.begin(message);
Object result = method.invoke(target, args);
logTrace.end(status);
return result;
} catch (Exception e) {
logTrace.exception(status, e);
throw e;
}
}
}