/*
* Copyright 2014 NAVER Corp.
* 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 com.navercorp.pinpoint.plugin.jackson.interceptor;
import java.io.File;
import com.navercorp.pinpoint.bootstrap.context.MethodDescriptor;
import com.navercorp.pinpoint.bootstrap.context.SpanEventRecorder;
import com.navercorp.pinpoint.bootstrap.context.Trace;
import com.navercorp.pinpoint.bootstrap.context.TraceContext;
import com.navercorp.pinpoint.bootstrap.interceptor.AroundInterceptor;
import com.navercorp.pinpoint.bootstrap.logging.PLogger;
import com.navercorp.pinpoint.bootstrap.logging.PLoggerFactory;
import com.navercorp.pinpoint.plugin.jackson.JacksonConstants;
/**
* @see JacksonPlugin#intercept_ObjectMapper(com.navercorp.pinpoint.bootstrap.plugin.ProfilerPluginSetupContext)
* @author Sungkook Kim
*/
public class ReadValueInterceptor implements AroundInterceptor {
private final PLogger logger = PLoggerFactory.getLogger(getClass());
private final boolean isDebug = logger.isDebugEnabled();
private final MethodDescriptor descriptor;
private final TraceContext traceContext;
public ReadValueInterceptor(TraceContext traceContext, MethodDescriptor descriptor) {
this.descriptor = descriptor;
this.traceContext = traceContext;
}
@Override
public void before(Object target, Object[] args) {
if (isDebug) {
logger.beforeInterceptor(target, args);
}
Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
SpanEventRecorder recorder = trace.traceBlockBegin();
recorder.recordServiceType(JacksonConstants.SERVICE_TYPE);
}
@Override
public void after(Object target, Object[] args, Object result, Throwable throwable) {
if (isDebug) {
logger.afterInterceptor(target, args);
}
Trace trace = traceContext.currentTraceObject();
if (trace == null) {
return;
}
try {
SpanEventRecorder recorder = trace.currentSpanEventRecorder();
recorder.recordApi(descriptor);
recorder.recordException(throwable);
Object arg = args[0];
if (arg != null) {
if (arg instanceof String) {
recorder.recordAttribute(JacksonConstants.ANNOTATION_KEY_LENGTH_VALUE, ((String) arg).length());
} else if (arg instanceof byte[]) {
recorder.recordAttribute(JacksonConstants.ANNOTATION_KEY_LENGTH_VALUE, ((byte[]) arg).length);
} else if (arg instanceof File) {
recorder.recordAttribute(JacksonConstants.ANNOTATION_KEY_LENGTH_VALUE, ((File) arg).length());
}
}
} finally {
trace.traceBlockEnd();
}
}
}