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- package com.github.dcevm;
-
-
- import com.github.dcevm.agent.InstrumentationAgent;
-
- import java.io.IOException;
- import java.lang.instrument.ClassDefinition;
- import java.lang.instrument.Instrumentation;
- import java.lang.instrument.UnmodifiableClassException;
- import java.util.Map;
-
- public class InstrumentationRedefiner implements Redefiner {
- public void redefineClasses(Map<Class<?>, byte[]> classes) throws ClassNotFoundException, UnmodifiableClassException {
- Instrumentation instrumentation = InstrumentationAgent.INSTRUMENTATION;
- if (instrumentation == null) {
- throw new IllegalStateException("Instrumentation agent is not properly installed!");
- }
-
- ClassDefinition[] definitions = new ClassDefinition[classes.size()];
- int i = 0;
- for (Map.Entry<Class<?>, byte[]> entry : classes.entrySet()) {
- definitions[i++] = new ClassDefinition(entry.getKey(), entry.getValue());
- }
- instrumentation.redefineClasses(definitions);
- }
-
- @Override
- public void close() throws IOException {
- // Do nothing.
- }
- }
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