/* * 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. * <p> * Secures a flow, state or transition. The user invoking this element must meet the required attributes otherwise * access will be denied. * <p> * <b>Warning:</b> 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; } } }