/*
* 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.security;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
/**
* Encapsulates the rules for comparing security attributes
*
* @author Scott Andrews
*/
public class SecurityRule {
/**
* Attribute name for the location of the security rule
*/
public static final String SECURITY_ATTRIBUTE_NAME = "secured";
/**
* Compare method where any attribute authorization allows access
*/
public static final short COMPARISON_ANY = 1;
/**
* Compare method where all attribute authorization allows access
*/
public static final short COMPARISON_ALL = 2;
private Collection attributes;
private short comparisonType = COMPARISON_ANY;
/**
* Convert attributes to comma separated String
* @param attributes the attributes to convert
* @return comma separated String
*/
public static String securityAttributesToCommaDelimitedList(Collection attributes) {
StringBuffer attrs = new StringBuffer();
Iterator attributeIt = attributes.iterator();
while (attributeIt.hasNext()) {
if (attrs.length() != 0) {
attrs.append(", ");
}
attrs.append(attributeIt.next());
}
return attrs.toString();
}
/**
* Convert attributes from comma separated String to Collection
* @param attributes the attributes to convert
* @return comma parsed Collection
*/
public static Collection commaDelimitedListToSecurityAttributes(String attributes) {
Collection attrs = new HashSet();
Iterator attributeIt = Arrays.asList(attributes.split(",")).iterator();
while (attributeIt.hasNext()) {
String attribute = ((String) attributeIt.next()).trim();
if (!"".equals(attribute)) {
attrs.add(attribute);
}
}
return attrs;
}
/**
* Gets security attributes
* @return security attributes
*/
public Collection getAttributes() {
return attributes;
}
/**
* Sets security attributes
* @param attributes security attributes
*/
public void setAttributes(Collection attributes) {
this.attributes = attributes;
}
/**
* Gets comparison type
* @return comparison type
*/
public short getComparisonType() {
return comparisonType;
}
/**
* Sets comparison type
* @param comparisonType comparison type
*/
public void setComparisonType(short comparisonType) {
this.comparisonType = comparisonType;
}
}
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