/*
* @(#)BagFunction.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
* documentation and/or other materials provided with the distribution.
*
* 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
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
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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 Bag functions, though the actual implementations
* are in two sub-classes specific to the condition and general bag
* functions.
*
* @since 1.0
* @author Seth Proctor
*/
public abstract class BagFunction extends FunctionBase
{
/**
* Base name for the type-one-and-only 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_ONE_AND_ONLY</code>.
*/
public static final String NAME_BASE_ONE_AND_ONLY =
"-one-and-only";
/**
* Base name for the type-bag-size 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_BAG_SIZE</code>.
*/
public static final String NAME_BASE_BAG_SIZE =
"-bag-size";
/**
* Base name for the type-is-in. 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_IS_IN</code>.
*/
public static final String NAME_BASE_IS_IN =
"-is-in";
/**
* Base name for the type-bag 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_BAG</code>.
*/
public static final String NAME_BASE_BAG =
"-bag";
// bag parameter info for the functions that accept multiple args
private static final boolean bagParams [] = { false, true };
/**
* A complete list of all the XACML 1.x datatypes supported by the Bag
* functions
*/
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 2.0 datatypes newly supported by the
* Bag functions
*/
protected static final String baseTypes2 [] = {
IPAddressAttribute.identifier,
DNSNameAttribute.identifier
};
/**
* A complete list of all the 1.x XACML datatypes supported by the
* Bag functions, 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 2.0 XACML datatypes newly supported by the
* Bag functions, 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"
};
/**
* Returns a new <code>BagFunction</code> that provides the
* type-one-and-only functionality over the given attribute type.
* This should be used to create new function instances for any new
* attribute types, and the resulting object should be put into
* the <code>FunctionFactory</code> (instances already exist in the
* factory for the standard attribute types).
*
* @param functionName the name to use for the function
* @param argumentType the type to operate on
*
* @return a new <code>BagFunction</code>
*/
public static BagFunction getOneAndOnlyInstance(String functionName,
String argumentType) {
return new GeneralBagFunction(functionName, argumentType,
NAME_BASE_ONE_AND_ONLY);
}
/**
* Returns a new <code>BagFunction</code> that provides the
* type-bag-size functionality over the given attribute type. This
* should be used to create new function instances for any new
* attribute types, and the resulting object should be put into
* the <code>FunctionFactory</code> (instances already exist in the
* factory for the standard attribute types).
*
* @param functionName the name to use for the function
* @param argumentType the type to operate on
*
* @return a new <code>BagFunction</code>
*/
public static BagFunction getBagSizeInstance(String functionName,
String argumentType) {
return new GeneralBagFunction(functionName, argumentType,
NAME_BASE_BAG_SIZE);
}
/**
* Returns a new <code>BagFunction</code> that provides the
* type-is-in functionality over the given attribute type. This
* should be used to create new function instances for any new
* attribute types, and the resulting object should be put into
* the <code>FunctionFactory</code> (instances already exist in the
* factory for the standard attribute types).
*
* @param functionName the name to use for the function
* @param argumentType the type to operate on
*
* @return a new <code>BagFunction</code>
*/
public static BagFunction getIsInInstance(String functionName,
String argumentType) {
return new ConditionBagFunction(functionName, argumentType);
}
/**
* Returns a new <code>BagFunction</code> that provides the
* type-bag functionality over the given attribute type. This
* should be used to create new function instances for any new
* attribute types, and the resulting object should be put into
* the <code>FunctionFactory</code> (instances already exist in the
* factory for the standard attribute types).
*
* @param functionName the name to use for the function
* @param argumentType the type to operate on
*
* @return a new <code>BagFunction</code>
*/
public static BagFunction getBagInstance(String functionName,
String argumentType) {
return new GeneralBagFunction(functionName, argumentType,
NAME_BASE_BAG);
}
/**
* Protected constuctor used by the general and condition subclasses
* to create a non-boolean function with parameters of the same datatype.
* If you need to create a new <code>BagFunction</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 paramType the datatype this function accepts
* @param paramIsBag whether the parameters are bags
* @param numParams number of parameters allowed or -1 for any number
* @param returnType the datatype this function returns
* @param returnsBag whether this function returns bags
*/
protected BagFunction(String functionName, int functionId,
String paramType, boolean paramIsBag, int numParams,
String returnType, boolean returnsBag) {
super(functionName, functionId, paramType, paramIsBag, numParams,
returnType, returnsBag);
}
/**
* Protected constuctor used by the general and condition subclasses
* to create a boolean function with parameters of different datatypes.
* If you need to create a new <code>BagFunction</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 paramTypes the datatype of each parameter
*/
protected BagFunction(String functionName, int functionId,
String [] paramTypes) {
super(functionName, functionId, paramTypes, bagParams,
BooleanAttribute.identifier, false);
}
/**
* 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(ConditionBagFunction.getSupportedIdentifiers());
set.addAll(GeneralBagFunction.getSupportedIdentifiers());
return set;
}
}