org.springframework.webflow.engine.model.SecuredModel 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.engine.model;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import org.springframework.webflow.security.SecurityFlowExecutionListener;
/**
* Model support for secured elements.
*
* Secures a flow, state or transition. The user invoking this element must meet the required attributes otherwise
* access will be denied.
*
* Warning: This model will only configure a security attribute in the definition. The flow execution must also
* be secured with a SecurityFlowExecutionListener.
*
* @see SecurityFlowExecutionListener
* @author Scott Andrews
*/
public class SecuredModel extends AbstractModel {
private String attributes;
private String match;
/**
* Create a security settings model
* @param attributes the security attributes
*/
public SecuredModel(String attributes) {
setAttributes(attributes);
}
public boolean isMergeableWith(Model model) {
if (!(model instanceof SecuredModel)) {
return false;
}
SecuredModel secured = (SecuredModel) model;
return ObjectUtils.nullSafeEquals(getAttributes(), secured.getAttributes());
}
public void merge(Model model) {
SecuredModel secured = (SecuredModel) model;
setMatch(merge(getMatch(), secured.getMatch()));
}
public Model createCopy() {
SecuredModel copy = new SecuredModel(attributes);
copy.setMatch(match);
return copy;
}
/**
* @return the attributes
*/
public String getAttributes() {
return attributes;
}
/**
* @param attributes the attributes to set
*/
public void setAttributes(String attributes) {
if (StringUtils.hasText(attributes)) {
this.attributes = attributes;
} else {
this.attributes = null;
}
}
/**
* @return the match
*/
public String getMatch() {
return match;
}
/**
* @param match the match to set
*/
public void setMatch(String match) {
if (StringUtils.hasText(match)) {
this.match = match;
} else {
this.match = null;
}
}
}