Examples with ClassPool javassist.ClassPool used on opensource projects

Example 36 with ClassPool

use of javassist.ClassPool in project powermock by powermock.

the class ConcreteClassGenerator method createConcreteSubClass.

public Class<?> createConcreteSubClass(Class<?> clazz) {
    if (clazz == null) {
        throw new IllegalArgumentException("clazz cannot be null");
    }
    if (!java.lang.reflect.Modifier.isAbstract(clazz.getModifiers())) {
        throw new IllegalArgumentException("clazz must be abstract");
    }
    ClassPool classpool = ClassPool.getDefault();
    final String originalClassName = clazz.getName();
    final CtClass originalClassAsCtClass;
    final CtClass newClass = classpool.makeClass(generateClassName(clazz));
    try {
        newClass.setSuperclass(classpool.get(clazz.getName()));
    } catch (Exception e1) {
        throw new RuntimeException(e1);
    }
    try {
        originalClassAsCtClass = classpool.get(originalClassName);
        CtMethod[] declaredMethods = originalClassAsCtClass.getDeclaredMethods();
        for (CtMethod ctMethod : declaredMethods) {
            if (Modifier.isAbstract(ctMethod.getModifiers())) {
                final String code = getReturnCode(ctMethod.getReturnType());
                CtNewMethod.make(ctMethod.getReturnType(), ctMethod.getName(), ctMethod.getParameterTypes(), ctMethod.getExceptionTypes(), code, newClass);
            }
        }
        if (!hasInheritableConstructor(originalClassAsCtClass)) {
            return null;
        }
        return newClass.toClass(this.getClass().getClassLoader(), this.getClass().getProtectionDomain());
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 37 with ClassPool

use of javassist.ClassPool in project powermock by powermock.

the class ClassMockTransformerTest method shouldIgnoreSyntheticNonBridgeMethods.

@Test
public void shouldIgnoreSyntheticNonBridgeMethods() throws Throwable {
    final ClassPool classPool = new ClassPool(true);
    CtClass ctClass = prepareClassesForTest(classPool, "return;");
    new ClassMockTransformer().transform(ctClass);
    runTestWithNewClassLoader(classPool, ShouldIgnoreSyntheticNonBridgeMethods.class.getName());
}

Example 38 with ClassPool

use of javassist.ClassPool in project ratpack by ratpack.

the class ClosureBackedHandler method describeTo.

@Override
public void describeTo(StringBuilder stringBuilder) {
    ClosureUtil.SourceInfo sourceInfo = ClosureUtil.getSourceInfo(invoker.getClosure());
    if (sourceInfo == null) {
        ClassPool pool = ClassPool.getDefault();
        try {
            CtClass ctClass = pool.get(invoker.getClosure().getClass().getName());
            CtMethod ctMethod = ctClass.getDeclaredMethod("doCall");
            int lineNumber = ctMethod.getMethodInfo().getLineNumber(0);
            ClassFile classFile = ctClass.getClassFile();
            String sourceFile = classFile.getSourceFile();
            if (lineNumber != -1 && sourceFile != null) {
                stringBuilder.append("closure at line ").append(lineNumber).append(" of ").append(sourceFile);
            } else {
                stringBuilder.append("closure ").append(invoker.getClosure().getClass().getName());
            }
        } catch (NotFoundException e) {
            stringBuilder.append(invoker.getClosure().getClass().getName());
        }
    } else {
        stringBuilder.append("closure at line ").append(sourceInfo.getLineNumber()).append(" of ").append(sourceInfo.getUri());
    }
}

Example 39 with ClassPool

use of javassist.ClassPool in project pinpoint by naver.

the class TestClassLoader method addTranslator.

public void addTranslator() {
    final InstrumentEngine instrumentEngine = applicationContext.getInstrumentEngine();
    if (instrumentEngine instanceof JavassistEngine) {
        logger.info("JAVASSIST BCI engine");
        ClassPool classPool = ((JavassistEngine) instrumentEngine).getClassPool(this);
        this.instrumentTranslator = new JavassistTranslator(this, classPool, applicationContext.getClassFileTransformerDispatcher());
        this.addTranslator(instrumentTranslator);
    } else if (instrumentEngine instanceof ASMEngine) {
        logger.info("ASM BCI engine");
        this.instrumentTranslator = new DefaultTranslator(this, applicationContext.getClassFileTransformerDispatcher());
        this.addTranslator(instrumentTranslator);
    } else {
        logger.info("Unknown BCI engine");
        this.instrumentTranslator = new DefaultTranslator(this, applicationContext.getClassFileTransformerDispatcher());
        this.addTranslator(instrumentTranslator);
    }
}

Example 40 with ClassPool

use of javassist.ClassPool in project pinpoint by naver.

the class LegacyProfilerPluginClassInjector method loadFromOtherClassLoader.

private Class<?> loadFromOtherClassLoader(ClassLoader classLoader, String className) throws NotFoundException, IllegalArgumentException, IOException, CannotCompileException, IllegalAccessException, InvocationTargetException {
    ClassPool pool = new ClassPool();
    pool.appendClassPath(new LoaderClassPath(classLoader));
    pool.appendClassPath(new LoaderClassPath(sourceClassLoader));
    return loadFromOtherClassLoader(pool, classLoader, className);
}