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package org.robolectric.internal.bytecode;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.robolectric.util.ReflectionHelpers.newInstance;
import static org.robolectric.util.ReflectionHelpers.setStaticField;
import java.io.IOException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ThreadFactory;
import javax.inject.Inject;
import org.robolectric.shadow.api.Shadow;
import org.robolectric.util.Util;
public class Sandbox {
private final SandboxClassLoader sandboxClassLoader;
private final ExecutorService executorService;
private ShadowInvalidator shadowInvalidator;
public ClassHandler classHandler; // todo not public
private ShadowMap shadowMap = ShadowMap.EMPTY;
public Sandbox(
InstrumentationConfiguration config,
ResourceProvider resourceProvider,
ClassInstrumentor classInstrumentor) {
this(new SandboxClassLoader(config, resourceProvider, classInstrumentor));
}
@Inject
public Sandbox(SandboxClassLoader sandboxClassLoader) {
this.sandboxClassLoader = sandboxClassLoader;
executorService = Executors.newSingleThreadExecutor(mainThreadFactory());
}
protected ThreadFactory mainThreadFactory() {
return Thread::new;
}
public <T> Class<T> bootstrappedClass(Class<?> clazz) {
try {
return (Class<T>) sandboxClassLoader.loadClass(clazz.getName());
} catch (ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
public ClassLoader getRobolectricClassLoader() {
return sandboxClassLoader;
}
private ShadowInvalidator getShadowInvalidator() {
if (shadowInvalidator == null) {
this.shadowInvalidator = new ShadowInvalidator();
}
return shadowInvalidator;
}
public void replaceShadowMap(ShadowMap shadowMap) {
ShadowMap oldShadowMap = this.shadowMap;
this.shadowMap = shadowMap;
Set<String> invalidatedClasses = new HashSet<>();
invalidatedClasses.addAll(shadowMap.getInvalidatedClasses(oldShadowMap));
invalidatedClasses.addAll(getModeInvalidatedClasses());
getShadowInvalidator().invalidateClasses(invalidatedClasses);
clearModeInvalidatedClasses();
}
protected Set<String> getModeInvalidatedClasses() {
return Collections.emptySet();
}
protected void clearModeInvalidatedClasses() {}
public void configure(ClassHandler classHandler, Interceptors interceptors) {
this.classHandler = classHandler;
ClassLoader robolectricClassLoader = getRobolectricClassLoader();
Class<?> robolectricInternalsClass = bootstrappedClass(RobolectricInternals.class);
ShadowInvalidator invalidator = getShadowInvalidator();
setStaticField(robolectricInternalsClass, "shadowInvalidator", invalidator);
setStaticField(robolectricInternalsClass, "classHandler", classHandler);
setStaticField(robolectricInternalsClass, "classLoader", robolectricClassLoader);
Class<?> invokeDynamicSupportClass = bootstrappedClass(InvokeDynamicSupport.class);
setStaticField(invokeDynamicSupportClass, "INTERCEPTORS", interceptors);
Class<?> shadowClass = bootstrappedClass(Shadow.class);
setStaticField(shadowClass, "SHADOW_IMPL", newInstance(bootstrappedClass(ShadowImpl.class)));
}
public void runOnMainThread(Runnable runnable) {
runOnMainThread(
() -> {
runnable.run();
return null;
});
}
/** Cleans up resources that have been opened by this Sandbox. */
public void shutdown() {
executorService.shutdown();
try {
executorService.awaitTermination(5, SECONDS);
} catch (InterruptedException e) {
throw new AssertionError(e);
}
try {
sandboxClassLoader.close();
} catch (IOException e) {
throw new AssertionError(e);
}
}
public <T> T runOnMainThread(Callable<T> callable) {
Future<T> future = executorService.submit(callable);
try {
return future.get();
} catch (InterruptedException e) {
future.cancel(true);
throw new RuntimeException(e);
} catch (ExecutionException e) {
throw Util.sneakyThrow(e.getCause());
}
}
}
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