public Object invokeMethod(Reference ref, boolean isVirtual, Object cls, Object[] params) throws InterpreterException, InvocationTargetException { if (!isVirtual && cls != null) /* XXX */ throw new InterpreterException("Can't invoke nonvirtual Method " + ref + "."); Method m; try { String[] paramTypeSigs = TypeSignature.getParameterTypes(ref.getType()); Class clazz = TypeSignature.getClass(ref.getClazz()); Class[] paramTypes = new Class[paramTypeSigs.length]; for (int i = 0; i < paramTypeSigs.length; i++) { params[i] = toReflectType(paramTypeSigs[i], params[i]); paramTypes[i] = TypeSignature.getClass(paramTypeSigs[i]); } try { m = clazz.getMethod(ref.getName(), paramTypes); } catch (NoSuchMethodException ex) { m = clazz.getDeclaredMethod(ref.getName(), paramTypes); } } catch (ClassNotFoundException ex) { throw new InterpreterException(ref + ": Class not found"); } catch (NoSuchMethodException ex) { throw new InterpreterException("Method " + ref + " not found"); } catch (SecurityException ex) { throw new InterpreterException(ref + ": Security exception"); } String retType = TypeSignature.getReturnType(ref.getType()); try { return fromReflectType(retType, m.invoke(cls, params)); } catch (IllegalAccessException ex) { throw new InterpreterException("Method " + ref + " not accessible"); } }
public Object invokeConstructor(Reference ref, Object[] params) throws InterpreterException, InvocationTargetException { Constructor c; try { String[] paramTypeSigs = TypeSignature.getParameterTypes(ref.getType()); Class clazz = TypeSignature.getClass(ref.getClazz()); Class[] paramTypes = new Class[paramTypeSigs.length]; for (int i = 0; i < paramTypeSigs.length; i++) { params[i] = toReflectType(paramTypeSigs[i], params[i]); paramTypes[i] = TypeSignature.getClass(paramTypeSigs[i]); } try { c = clazz.getConstructor(paramTypes); } catch (NoSuchMethodException ex) { c = clazz.getDeclaredConstructor(paramTypes); } } catch (ClassNotFoundException ex) { throw new InterpreterException(ref + ": Class not found"); } catch (NoSuchMethodException ex) { throw new InterpreterException("Constructor " + ref + " not found"); } catch (SecurityException ex) { throw new InterpreterException(ref + ": Security exception"); } try { return c.newInstance(params); } catch (IllegalAccessException ex) { throw new InterpreterException("Constructor " + ref + " not accessible"); } catch (InstantiationException ex) { throw new InterpreterException("InstantiationException in " + ref + "."); } }
public void putField(Reference ref, Object obj, Object value) throws InterpreterException { Field f; try { Class clazz = TypeSignature.getClass(ref.getClazz()); try { f = clazz.getField(ref.getName()); } catch (NoSuchFieldException ex) { f = clazz.getDeclaredField(ref.getName()); } } catch (ClassNotFoundException ex) { throw new InterpreterException(ref + ": Class not found"); } catch (NoSuchFieldException ex) { throw new InterpreterException("Constructor " + ref + " not found"); } catch (SecurityException ex) { throw new InterpreterException(ref + ": Security exception"); } try { f.set(obj, toReflectType(ref.getType(), value)); } catch (IllegalAccessException ex) { throw new InterpreterException("Field " + ref + " not accessible"); } }