/jboss-as-7.1.1.Final/controller/src/main/java/org/jboss/as/controller/ExpressionResolverImpl.java
Java | 84 lines | 49 code | 9 blank | 26 comment | 15 complexity | 5e2519dbdd26bcb7f6d22b816d46fb9d MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * JBoss, Home of Professional Open Source.
- * Copyright 2011, Red Hat Middleware LLC, and individual contributors
- * as indicated by the @author tags. See the copyright.txt file in the
- * distribution for a full listing of individual contributors.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this software; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
- */
- package org.jboss.as.controller;
- import org.jboss.dmr.ModelNode;
- import org.jboss.dmr.ModelType;
- import org.jboss.dmr.Property;
- /**
- * Basic {@link ExpressionResolver} implementation.
- *
- * @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
- */
- public class ExpressionResolverImpl implements ExpressionResolver {
- protected ExpressionResolverImpl() {
- }
- @Override
- public final ModelNode resolveExpressions(final ModelNode node) throws OperationFailedException {
- ModelNode resolved = resolveExpressionsRecursively(node);
- try {
- return resolved.resolve();
- } catch (SecurityException e) {
- throw new OperationFailedException(new ModelNode().set(ControllerMessages.MESSAGES.noPermissionToResolveExpression(resolved, e)));
- } catch (IllegalStateException e) {
- throw new OperationFailedException(new ModelNode().set(ControllerMessages.MESSAGES.cannotResolveExpression(resolved, e)));
- }
- }
- private ModelNode resolveExpressionsRecursively(final ModelNode node) {
- if (!node.isDefined()) {
- return node;
- }
- ModelNode resolved;
- if (node.getType() == ModelType.EXPRESSION) {
- resolved = node.clone();
- resolvePluggableExpression(resolved);
- } else if (node.getType() == ModelType.OBJECT) {
- resolved = node.clone();
- for (Property prop : resolved.asPropertyList()) {
- resolved.get(prop.getName()).set(resolveExpressionsRecursively(prop.getValue()));
- }
- } else if (node.getType() == ModelType.LIST) {
- resolved = node.clone();
- ModelNode list = new ModelNode();
- for (ModelNode current : resolved.asList()) {
- list.add(resolveExpressionsRecursively(current));
- }
- resolved = list;
- } else if (node.getType() == ModelType.PROPERTY) {
- resolved = node.clone();
- resolved.set(resolved.asProperty().getName(), resolveExpressionsRecursively(resolved.asProperty().getValue()));
- } else {
- resolved = node;
- }
- return resolved;
- }
- protected void resolvePluggableExpression(ModelNode node) {
- }
- }