Examples with MissingPropertyExceptionNoStack org.codehaus.groovy.runtime.metaclass.MissingPropertyExceptionNoStack used on opensource projects

Example 1 with MissingPropertyExceptionNoStack

use of org.codehaus.groovy.runtime.metaclass.MissingPropertyExceptionNoStack in project groovy by apache.

the class MetaClassImpl method invokeMissingProperty.

/**
     * Invoke a missing property on the given object with the given arguments.
     *
     * @param instance The object the method should be invoked on.
     * @param propertyName The name of the property to invoke.
     * @param optionalValue The (optional) new value for the property
     * @param isGetter Wether the method is a getter
     *
     * @return The result of the method invocation.
     */
public Object invokeMissingProperty(Object instance, String propertyName, Object optionalValue, boolean isGetter) {
    Class theClass = instance instanceof Class ? (Class) instance : instance.getClass();
    CachedClass superClass = theCachedClass;
    while (superClass != null && superClass != ReflectionCache.OBJECT_CLASS) {
        final MetaBeanProperty property = findPropertyInClassHierarchy(propertyName, superClass);
        if (property != null) {
            onSuperPropertyFoundInHierarchy(property);
            if (!isGetter) {
                property.setProperty(instance, optionalValue);
                return null;
            } else {
                return property.getProperty(instance);
            }
        }
        superClass = superClass.getCachedSuperClass();
    }
    // got here to property not found, look for getProperty or setProperty overrides
    if (isGetter) {
        final Class[] getPropertyArgs = { String.class };
        final MetaMethod method = findMethodInClassHierarchy(instance.getClass(), GET_PROPERTY_METHOD, getPropertyArgs, this);
        if (method != null && method instanceof ClosureMetaMethod) {
            onGetPropertyFoundInHierarchy(method);
            return method.invoke(instance, new Object[] { propertyName });
        }
    } else {
        final Class[] setPropertyArgs = { String.class, Object.class };
        final MetaMethod method = findMethodInClassHierarchy(instance.getClass(), SET_PROPERTY_METHOD, setPropertyArgs, this);
        if (method != null && method instanceof ClosureMetaMethod) {
            onSetPropertyFoundInHierarchy(method);
            return method.invoke(instance, new Object[] { propertyName, optionalValue });
        }
    }
    try {
        if (!(instance instanceof Class)) {
            if (isGetter) {
                if (propertyMissingGet != null) {
                    return propertyMissingGet.invoke(instance, new Object[] { propertyName });
                }
            } else {
                if (propertyMissingSet != null) {
                    return propertyMissingSet.invoke(instance, new Object[] { propertyName, optionalValue });
                }
            }
        }
    } catch (InvokerInvocationException iie) {
        boolean shouldHandle = isGetter && propertyMissingGet != null;
        if (!shouldHandle)
            shouldHandle = !isGetter && propertyMissingSet != null;
        if (shouldHandle && iie.getCause() instanceof MissingPropertyException) {
            throw (MissingPropertyException) iie.getCause();
        }
        throw iie;
    }
    if (instance instanceof Class && theClass != Class.class) {
        final MetaProperty metaProperty = InvokerHelper.getMetaClass(Class.class).hasProperty(instance, propertyName);
        if (metaProperty != null)
            if (isGetter)
                return metaProperty.getProperty(instance);
            else {
                metaProperty.setProperty(instance, optionalValue);
                return null;
            }
    }
    throw new MissingPropertyExceptionNoStack(propertyName, theClass);
}

Example 2 with MissingPropertyExceptionNoStack

use of org.codehaus.groovy.runtime.metaclass.MissingPropertyExceptionNoStack in project groovy-core by groovy.

the class MetaClassImpl method invokeMissingProperty.

/**
     * Invoke a missing property on the given object with the given arguments.
     *
     * @param instance The object the method should be invoked on.
     * @param propertyName The name of the property to invoke.
     * @param optionalValue The (optional) new value for the property
     * @param isGetter Wether the method is a getter
     *
     * @return The result of the method invocation.
     */
public Object invokeMissingProperty(Object instance, String propertyName, Object optionalValue, boolean isGetter) {
    Class theClass = instance instanceof Class ? (Class) instance : instance.getClass();
    CachedClass superClass = theCachedClass;
    while (superClass != null && superClass != ReflectionCache.OBJECT_CLASS) {
        final MetaBeanProperty property = findPropertyInClassHierarchy(propertyName, superClass);
        if (property != null) {
            onSuperPropertyFoundInHierarchy(property);
            if (!isGetter) {
                property.setProperty(instance, optionalValue);
                return null;
            } else {
                return property.getProperty(instance);
            }
        }
        superClass = superClass.getCachedSuperClass();
    }
    // got here to property not found, look for getProperty or setProperty overrides
    if (isGetter) {
        final Class[] getPropertyArgs = { String.class };
        final MetaMethod method = findMethodInClassHierarchy(instance.getClass(), GET_PROPERTY_METHOD, getPropertyArgs, this);
        if (method != null && method instanceof ClosureMetaMethod) {
            onGetPropertyFoundInHierarchy(method);
            return method.invoke(instance, new Object[] { propertyName });
        }
    } else {
        final Class[] setPropertyArgs = { String.class, Object.class };
        final MetaMethod method = findMethodInClassHierarchy(instance.getClass(), SET_PROPERTY_METHOD, setPropertyArgs, this);
        if (method != null && method instanceof ClosureMetaMethod) {
            onSetPropertyFoundInHierarchy(method);
            return method.invoke(instance, new Object[] { propertyName, optionalValue });
        }
    }
    try {
        if (!(instance instanceof Class)) {
            if (isGetter && propertyMissingGet != null) {
                return propertyMissingGet.invoke(instance, new Object[] { propertyName });
            } else {
                if (propertyMissingSet != null)
                    return propertyMissingSet.invoke(instance, new Object[] { propertyName, optionalValue });
            }
        }
    } catch (InvokerInvocationException iie) {
        boolean shouldHandle = isGetter && propertyMissingGet != null;
        if (!shouldHandle)
            shouldHandle = !isGetter && propertyMissingSet != null;
        if (shouldHandle && iie.getCause() instanceof MissingPropertyException) {
            throw (MissingPropertyException) iie.getCause();
        }
        throw iie;
    }
    if (instance instanceof Class && theClass != Class.class) {
        final MetaProperty metaProperty = InvokerHelper.getMetaClass(Class.class).hasProperty(instance, propertyName);
        if (metaProperty != null)
            if (isGetter)
                return metaProperty.getProperty(instance);
            else {
                metaProperty.setProperty(instance, optionalValue);
                return null;
            }
    }
    throw new MissingPropertyExceptionNoStack(propertyName, theClass);
}