Examples with ClassData org.fakereplace.data.ClassData used on opensource projects

Example 1 with ClassData

use of org.fakereplace.data.ClassData in project fakereplace by fakereplace.

the class MethodReflection method getMethod.

public static Method getMethod(Class<?> clazz, String name, Class<?>... parameters) throws NoSuchMethodException {
    ClassData cd = ClassDataStore.instance().getModifiedClassData(clazz.getClassLoader(), Descriptor.toJvmName(clazz.getName()));
    if (cd == null) {
        return clazz.getMethod(name, parameters);
    }
    String args = '(' + DescriptorUtils.classArrayToDescriptorString(parameters) + ')';
    MethodData md = cd.getMethodData(name, args);
    Class<?> superClass = clazz;
    while (superClass.getSuperclass() != null && md == null && superClass != Object.class) {
        superClass = superClass.getSuperclass();
        cd = ClassDataStore.instance().getModifiedClassData(superClass.getClassLoader(), Descriptor.toJvmName(superClass.getName()));
        if (cd != null) {
            md = cd.getMethodData(name, args);
        }
    }
    if (md == null) {
        return clazz.getMethod(name, parameters);
    }
    switch(md.getType()) {
        case NORMAL:
            return superClass.getMethod(name, parameters);
        case FAKE:
            try {
                if (!AccessFlag.isPublic(md.getAccessFlags())) {
                    throw new NoSuchMethodException(clazz.getName() + "." + name);
                }
                Class<?> c = superClass.getClassLoader().loadClass(md.getClassName());
                return c.getMethod(name, parameters);
            } catch (NoSuchMethodException e) {
                throw e;
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
    }
    throw new NoSuchMethodException();
}

Example 2 with ClassData

use of org.fakereplace.data.ClassData in project fakereplace by fakereplace.

the class MethodReflection method getDeclaredMethods.

public static Method[] getDeclaredMethods(Class<?> clazz) {
    try {
        ClassData cd = ClassDataStore.instance().getModifiedClassData(clazz.getClassLoader(), Descriptor.toJvmName(clazz.getName()));
        if (cd == null || !cd.isReplaceable()) {
            return clazz.getDeclaredMethods();
        }
        Method[] meth = clazz.getDeclaredMethods();
        List<Method> visible = new ArrayList<>(meth.length);
        for (int i = 0; i < meth.length; ++i) {
            MethodData mData = cd.getData(meth[i]);
            if (mData == null || mData.getType() == MemberType.NORMAL) {
                visible.add(meth[i]);
            }
        }
        for (MethodData i : cd.getMethods()) {
            if (i.getType() == MemberType.FAKE) {
                Class<?> c = clazz.getClassLoader().loadClass(i.getClassName());
                visible.add(i.getMethod(c));
            }
        }
        Method[] ret = new Method[visible.size()];
        for (int i = 0; i < visible.size(); ++i) {
            ret[i] = visible.get(i);
        }
        return ret;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 3 with ClassData

use of org.fakereplace.data.ClassData in project fakereplace by fakereplace.

the class ConstructorReflection method getConstructor.

public static Constructor<?> getConstructor(Class<?> clazz, Class<?>... parameters) throws NoSuchMethodException {
    ClassData cd = ClassDataStore.instance().getModifiedClassData(clazz.getClassLoader(), Descriptor.toJvmName(clazz.getName()));
    if (cd == null || !cd.isReplaceable()) {
        return clazz.getConstructor(parameters);
    }
    String args = '(' + DescriptorUtils.classArrayToDescriptorString(parameters) + ')';
    MethodData md = cd.getMethodData("<init>", args);
    if (md == null) {
        return clazz.getConstructor(parameters);
    }
    switch(md.getType()) {
        case NORMAL:
            return clazz.getConstructor(parameters);
        case FAKE_CONSTRUCTOR:
            try {
                Class<?> c = clazz.getClassLoader().loadClass(md.getClassName());
                return c.getConstructor(parameters);
            } catch (NoSuchMethodException e) {
                throw e;
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
    }
    throw new NoSuchMethodException();
}

Example 4 with ClassData

use of org.fakereplace.data.ClassData in project fakereplace by fakereplace.

the class ConstructorReflection method getConstructors.

public static Constructor<?>[] getConstructors(Class<?> clazz) {
    try {
        ClassData cd = ClassDataStore.instance().getModifiedClassData(clazz.getClassLoader(), Descriptor.toJvmName(clazz.getName()));
        if (cd == null || !cd.isReplaceable()) {
            return clazz.getConstructors();
        }
        Constructor<?>[] meth = clazz.getConstructors();
        List<Constructor<?>> visible = new ArrayList<>(meth.length);
        for (int i = 0; i < meth.length; ++i) {
            if (meth[i].getParameterTypes().length != 3 || !meth[i].getParameterTypes()[2].equals(ConstructorArgument.class)) {
                visible.add(meth[i]);
            }
        }
        ClassData cta = cd;
        while (cta != null) {
            for (MethodData i : cta.getMethods()) {
                if (i.isConstructor()) {
                    if (i.getType() == MemberType.FAKE_CONSTRUCTOR && AccessFlag.isPublic(i.getAccessFlags())) {
                        Class<?> c = clazz.getClassLoader().loadClass(i.getClassName());
                        visible.add(i.getConstructor(c));
                    } else if (i.getType() == MemberType.REMOVED && i.getMethodName().equals("<init>")) {
                        Class<?> c = clazz.getClassLoader().loadClass(i.getClassName());
                        visible.remove(i.getConstructor(c));
                    }
                }
            }
            cta = cta.getSuperClassInformation();
        }
        Constructor<?>[] ret = new Constructor[visible.size()];
        for (int i = 0; i < visible.size(); ++i) {
            ret[i] = visible.get(i);
        }
        return ret;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

Example 5 with ClassData

use of org.fakereplace.data.ClassData in project fakereplace by fakereplace.

the class ConstructorReflection method getDeclaredConstructor.

public static Constructor<?> getDeclaredConstructor(Class<?> clazz, Class<?>... parameters) throws NoSuchMethodException {
    ClassData cd = ClassDataStore.instance().getModifiedClassData(clazz.getClassLoader(), Descriptor.toJvmName(clazz.getName()));
    if (cd == null || !cd.isReplaceable()) {
        return clazz.getDeclaredConstructor(parameters);
    }
    String args = '(' + DescriptorUtils.classArrayToDescriptorString(parameters) + ')';
    MethodData md = cd.getMethodData("<init>", args);
    if (md == null) {
        return clazz.getDeclaredConstructor(parameters);
    }
    switch(md.getType()) {
        case NORMAL:
            return clazz.getDeclaredConstructor(parameters);
        case FAKE_CONSTRUCTOR:
            try {
                Class<?> c = clazz.getClassLoader().loadClass(md.getClassName());
                return c.getDeclaredConstructor(parameters);
            } catch (NoSuchMethodException e) {
                throw e;
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
    }
    throw new NoSuchMethodException();
}