de.iwes.widgets.pattern.page.impl.FieldUtils Maven / Gradle / Ivy
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/**
* Copyright 2014-2018 Fraunhofer-Gesellschaft zur Förderung der angewandten Wissenschaften e.V.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.iwes.widgets.pattern.page.impl;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedAction;
import org.ogema.core.model.Resource;
import org.ogema.core.resourcemanager.pattern.ResourcePattern;
public class FieldUtils {
/************** Methods copied more or less from advanced access ****************/
/*
* Gets the resource of rad that corresponds to the field required. Returns
* null if the field is uninitialized or if the field does not correspond to
* a resource.
*/
public static Resource getResource(final Field field, ResourcePattern rad) {
final Resource result;
try {
Class type = field.getType();
if (!Resource.class.isAssignableFrom(type)) return null;
result = (Resource) field.get(rad);
} catch (IllegalArgumentException | IllegalAccessException ex) {
throw new RuntimeException("Could not access field " + field.toGenericString() + " on a pattern");
}
return result;
}
public static Boolean[] setAccessiblePrivileged(final Field[] fields) {
return AccessController.doPrivileged(new PrivilegedAction() {
@Override
public Boolean[] run() {
final Boolean[] initialState = new Boolean[fields.length];
for (int i=0;i() {
@Override
public Void[] run() {
for (int i=0;i() {
@Override
public Boolean[] run() {
final Boolean[] initialState = new Boolean[methods.length];
for (int i=0;i() {
@Override
public Void[] run() {
for (int i=0;i