81 lines
3.1 KiB
Java
81 lines
3.1 KiB
Java
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/*
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* @(#)AttributeProxy.java
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*
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* Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistribution in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Neither the name of Sun Microsystems, Inc. or the names of contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* This software is provided "AS IS," without a warranty of any kind. ALL
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* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
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* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
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* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN")
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* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
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* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
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* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
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* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
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* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
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* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
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* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* You acknowledge that this software is not designed or intended for use in
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* the design, construction, operation or maintenance of any nuclear facility.
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*/
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package com.sun.xacml.attr;
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import org.w3c.dom.Node;
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/**
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* Used by the <code>AttributeFactory</code> to create new attributes.
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* Typically a new proxy class is created which in turn knows how to create
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* a specific kind of attribute, and then this proxy class is installed in
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* the <code>AttributeFactory</code>.
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*
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* @since 1.0
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* @author Seth Proctor
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*/
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public interface AttributeProxy
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{
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/**
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* Tries to create a new <code>AttributeValue</code> based on the given
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* DOM root node.
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*
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* @param root the DOM root of some attribute data
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*
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* @return an <code>AttributeValue</code> representing the given data
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*
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* @throws Exception if the data couldn't be used (the exception is
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* typically wrapping some other exception)
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*/
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public AttributeValue getInstance(Node root) throws Exception;
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/**
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* Tries to create a new <code>AttributeValue</code> based on the given
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* String data.
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*
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* @param value the text form of some attribute data
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*
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* @return an <code>AttributeValue</code> representing the given data
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*
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* @throws Exception if the data couldn't be used (the exception is
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* typically wrapping some other exception)
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*/
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public AttributeValue getInstance(String value) throws Exception;
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}
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