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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.utils.communication.http;
import com.yahoo.vespa.clustercontroller.utils.communication.async.AsyncOperation;
import com.yahoo.vespa.clustercontroller.utils.communication.async.PipedAsyncOperation;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
public class LoggingAsyncHttpClient<T extends HttpResult> extends AsyncHttpClientWithBase<T> {
private static final Logger log = Logger.getLogger(LoggingAsyncHttpClient.class.getName());
private int requestCounter = 0;
public LoggingAsyncHttpClient(AsyncHttpClient<T> client) {
super(client);
log.info("Logging HTTP requests if fine logging level is added");
}
public AsyncOperation<T> execute(HttpRequest r) {
final int requestCount = ++requestCounter;
log.fine("Issuing HTTP request " + requestCount + ": " + r.toString(true));
final AsyncOperation<T> op = client.execute(r);
return new PipedAsyncOperation<T, T>(op) {
@Override
public T convertResult(T result) {
if (log.isLoggable(Level.FINE)) {
if (op.isSuccess()) {
log.fine("HTTP request " + requestCount + " completed: " + result.toString(true));
} else {
StringWriter sw = new StringWriter();
op.getCause().printStackTrace(new PrintWriter(sw));
log.fine("HTTP request " + requestCount + " failed: " + sw);
}
}
return result;
}
};
}
}
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