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BTrace: A safe, dynamic tracing tool for the Java platform

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/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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import org.openjdk.btrace.core.annotations.BTrace;
import org.openjdk.btrace.core.annotations.Kind;
import org.openjdk.btrace.core.annotations.Location;
import org.openjdk.btrace.core.annotations.OnMethod;
import org.openjdk.btrace.core.annotations.ProbeClassName;
import org.openjdk.btrace.core.annotations.ProbeMethodName;
import org.openjdk.btrace.core.annotations.Self;
import org.openjdk.btrace.core.annotations.TargetInstance;
import org.openjdk.btrace.core.annotations.TargetMethodOrField;

import static org.openjdk.btrace.core.BTraceUtils.println;

/**
 * This script demonstrates the possibility to intercept
 * method calls that are about to be executed from the body of
 * a certain method. This is achieved by using the {@linkplain Kind#CALL}
 * location value.
 */
@BTrace
public class AllCalls2 {
    @OnMethod(clazz = "/javax\\.swing\\..*/", method = "/.*/",
            location = @Location(value = Kind.CALL, clazz = "/.*/", method = "/.*/"))
    public static void n(@Self Object self, @ProbeClassName String pcm, @ProbeMethodName String pmn,
                         @TargetInstance Object instance, @TargetMethodOrField String method, String text) { // all calls to the methods with signature "(String)"
        println("Context: " + pcm + "#" + pmn + method + " " + text);
    }
}