org.springframework.webflow.action.ExternalRedirectAction Maven / Gradle / Ivy
/*
* Copyright 2004-2008 the original author or authors.
*
* 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 org.springframework.webflow.action;
import org.springframework.binding.expression.Expression;
import org.springframework.util.Assert;
import org.springframework.webflow.execution.Event;
import org.springframework.webflow.execution.RequestContext;
/**
* An action that sends an external redirect when executed.
*
* @author Keith Donald
*/
public class ExternalRedirectAction extends AbstractAction {
private Expression resourceUri;
/**
* Creates a new external redirect action
* @param resourceUri an expression for the resource Uri to redirect to
*/
public ExternalRedirectAction(Expression resourceUri) {
Assert.notNull(resourceUri, "The URI of the resource to redirect to is required");
this.resourceUri = resourceUri;
}
protected Event doExecute(RequestContext context) throws Exception {
String resourceUri = (String) this.resourceUri.getValue(context);
context.getExternalContext().requestExternalRedirect(resourceUri);
return success();
}
}