/*
* @(#)SetFunction.java
*
* Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
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* Neither the name of Sun Microsystems, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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package com.sun.xacml.cond;
import com.sun.xacml.attr.AnyURIAttribute;
import com.sun.xacml.attr.Base64BinaryAttribute;
import com.sun.xacml.attr.BooleanAttribute;
import com.sun.xacml.attr.DateAttribute;
import com.sun.xacml.attr.DateTimeAttribute;
import com.sun.xacml.attr.DayTimeDurationAttribute;
import com.sun.xacml.attr.DNSNameAttribute;
import com.sun.xacml.attr.DoubleAttribute;
import com.sun.xacml.attr.HexBinaryAttribute;
import com.sun.xacml.attr.IntegerAttribute;
import com.sun.xacml.attr.IPAddressAttribute;
import com.sun.xacml.attr.RFC822NameAttribute;
import com.sun.xacml.attr.StringAttribute;
import com.sun.xacml.attr.TimeAttribute;
import com.sun.xacml.attr.X500NameAttribute;
import com.sun.xacml.attr.YearMonthDurationAttribute;
import java.util.HashSet;
import java.util.Set;
/**
* Represents all of the Set functions, though the actual implementations
* are in two sub-classes specific to the condition and general set
* functions.
*
* @since 1.0
* @author Seth Proctor
*/
public abstract class SetFunction extends FunctionBase
{
/**
* Base name for the type-intersection funtions. To get the standard
* identifier for a given type, use <code>FunctionBase.FUNCTION_NS</code>
* + the datatype's base name (e.g., <code>string</code>) +
* </code>NAME_BASE_INTERSECTION</code>.
*/
public static final String NAME_BASE_INTERSECTION =
"-intersection";
/**
* Base name for the type-at-least-one-member-of funtions. To get the
* standard identifier for a given type, use
* <code>FunctionBase.FUNCTION_NS</code> + the datatype's base name
* (e.g., <code>string</code>) +
* </code>NAME_BASE_AT_LEAST_ONE_MEMBER_OF</code>.
*/
public static final String NAME_BASE_AT_LEAST_ONE_MEMBER_OF =
"-at-least-one-member-of";
/**
* Base name for the type-union funtions. To get the standard
* identifier for a given type, use <code>FunctionBase.FUNCTION_NS</code>
* + the datatype's base name (e.g., <code>string</code>) +
* </code>NAME_BASE_UNION</code>.
*/
public static final String NAME_BASE_UNION =
"-union";
/**
* Base name for the type-subset funtions. To get the standard
* identifier for a given type, use <code>FunctionBase.FUNCTION_NS</code>
* + the datatype's base name (e.g., <code>string</code>) +
* </code>NAME_BASE_SUBSET</code>.
*/
public static final String NAME_BASE_SUBSET =
"-subset";
/**
* Base name for the type-set-equals funtions. To get the standard
* identifier for a given type, use <code>FunctionBase.FUNCTION_NS</code>
* + the datatype's base name (e.g., <code>string</code>) +
* </code>NAME_BASE_SET_EQUALS</code>.
*/
public static final String NAME_BASE_SET_EQUALS =
"-set-equals";
/**
* A complete list of all the XACML datatypes supported by the Set
* functions in XACML 1.x
*/
protected final static String baseTypes [] = {
StringAttribute.identifier,
BooleanAttribute.identifier,
IntegerAttribute.identifier,
DoubleAttribute.identifier,
DateAttribute.identifier,
DateTimeAttribute.identifier,
TimeAttribute.identifier,
AnyURIAttribute.identifier,
HexBinaryAttribute.identifier,
Base64BinaryAttribute.identifier,
DayTimeDurationAttribute.identifier,
YearMonthDurationAttribute.identifier,
X500NameAttribute.identifier,
RFC822NameAttribute.identifier
};
/**
* A complete list of all the XACML datatypes newly supported by the Set
* functions in XACML 2.0
*/
protected final static String baseTypes2 [] = {
IPAddressAttribute.identifier,
DNSNameAttribute.identifier
};
/**
* A complete list of all the XACML datatypes supported by the Set
* functions in XACML 1.x, using the "simple" form of the names (eg,
* string instead of http://www.w3.org/2001/XMLSchema#string)
*/
protected static final String simpleTypes [] = {
"string", "boolean", "integer", "double", "date", "dateTime",
"time", "anyURI", "hexBinary", "base64Binary", "dayTimeDuration",
"yearMonthDuration", "x500Name", "rfc822Name"
};
/**
* A complete list of all the XACML datatypes newly supported by the Set
* functions in XACML 2.0, using the "simple" form of the names (eg,
* string instead of http://www.w3.org/2001/XMLSchema#string)
*/
protected static final String simpleTypes2 [] = {
"ipAddress", "dnsName"
};
/**
* Creates a new instance of the intersection set function.
* This should be used to create support for any new attribute types
* and then the new <code>SetFunction</code> object should be added
* to the factory (all set functions for the base types are already
* installed in the factory).
*
* @param functionName the name of the function
* @param argumentType the attribute type this function will work with
*
* @return a new <code>SetFunction</code> for the given type
*/
public static SetFunction getIntersectionInstance(String functionName,
String argumentType) {
return new GeneralSetFunction(functionName, argumentType,
NAME_BASE_INTERSECTION);
}
/**
* Creates a new instance of the at-least-one-member-of set function.
* This should be used to create support for any new attribute types
* and then the new <code>SetFunction</code> object should be added
* to the factory (all set functions for the base types are already
* installed in the factory).
*
* @param functionName the name of the function
* @param argumentType the attribute type this function will work with
*
* @return a new <code>SetFunction</code> for the given type
*/
public static SetFunction getAtLeastOneInstance(String functionName,
String argumentType) {
return new ConditionSetFunction(functionName, argumentType,
NAME_BASE_AT_LEAST_ONE_MEMBER_OF);
}
/**
* Creates a new instance of the union set function.
* This should be used to create support for any new attribute types
* and then the new <code>SetFunction</code> object should be added
* to the factory (all set functions for the base types are already
* installed in the factory).
*
* @param functionName the name of the function
* @param argumentType the attribute type this function will work with
*
* @return a new <code>SetFunction</code> for the given type
*/
public static SetFunction getUnionInstance(String functionName,
String argumentType) {
return new GeneralSetFunction(functionName, argumentType,
NAME_BASE_UNION);
}
/**
* Creates a new instance of the subset set function.
* This should be used to create support for any new attribute types
* and then the new <code>SetFunction</code> object should be added
* to the factory (all set functions for the base types are already
* installed in the factory).
*
* @param functionName the name of the function
* @param argumentType the attribute type this function will work with
*
* @return a new <code>SetFunction</code> for the given type
*/
public static SetFunction getSubsetInstance(String functionName,
String argumentType) {
return new ConditionSetFunction(functionName, argumentType,
NAME_BASE_SUBSET);
}
/**
* Creates a new instance of the equals set function.
* This should be used to create support for any new attribute types
* and then the new <code>SetFunction</code> object should be added
* to the factory (all set functions for the base types are already
* installed in the factory).
*
* @param functionName the name of the function
* @param argumentType the attribute type this function will work with
*
* @return a new <code>SetFunction</code> for the given type
*/
public static SetFunction getSetEqualsInstance(String functionName,
String argumentType) {
return new ConditionSetFunction(functionName, argumentType,
NAME_BASE_SET_EQUALS);
}
/**
* Protected constuctor used by the general and condition subclasses.
* If you need to create a new <code>SetFunction</code> instance you
* should either use one of the <code>getInstance</code> methods or
* construct one of the sub-classes directly.
*
* @param functionName the identitifer for the function
* @param functionId an optional, internal numeric identifier
* @param argumentType the datatype this function accepts
* @param returnType the datatype this function returns
* @param returnsBag whether this function returns bags
*/
protected SetFunction(String functionName, int functionId,
String argumentType, String returnType,
boolean returnsBag) {
super(functionName, functionId, argumentType, true, 2, returnType,
returnsBag);
}
/**
* Returns a <code>Set</code> containing all the function identifiers
* supported by this class.
*
* @return a <code>Set</code> of <code>String</code>s
*/
public static Set<String> getSupportedIdentifiers() {
Set<String> set = new HashSet<String>();
set.addAll(ConditionSetFunction.getSupportedIdentifiers());
set.addAll(GeneralSetFunction.getSupportedIdentifiers());
return set;
}
}