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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.persistence.permission;
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import java.util.EnumSet;
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import java.util.StringTokenizer;
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import eu.etaxonomy.cdm.model.permission.CRUD;
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/**
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* @author k.luther
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* @author a.kohlbecker
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*/
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public class Operation {
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private Operation(){}
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final static public EnumSet<CRUD> CREATE = EnumSet.of(CRUD.CREATE);
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final static public EnumSet<CRUD> READ = EnumSet.of(CRUD.READ);
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final static public EnumSet<CRUD> UPDATE = EnumSet.of(CRUD.UPDATE);
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final static public EnumSet<CRUD> DELETE = EnumSet.of(CRUD.DELETE);
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final static public EnumSet<CRUD> ALL = EnumSet.allOf(CRUD.class);
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final static public EnumSet<CRUD> ADMIN = ALL; // FIXME remove?
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final static public EnumSet<CRUD> NONE = EnumSet.noneOf(CRUD.class);
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public static EnumSet<CRUD> fromString(String string){
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if(string.equals("ALL")){
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return ALL;
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}
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if(string.equals("ADMIN")){
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return ADMIN;
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}
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if(string.equals("NONE")){
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return NONE;
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}
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StringTokenizer st = new StringTokenizer(string,",");
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EnumSet<CRUD> op = EnumSet.noneOf(CRUD.class);
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while (st.hasMoreElements()) {
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String opStr = (String) st.nextElement();
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op.add(CRUD.valueOf(opStr.trim()));
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}
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return op;
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}
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public static boolean isOperation(Object o){
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try {
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return o instanceof EnumSet<?> && ALL.containsAll((EnumSet<?>)o);
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} catch (Throwable e){
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return false;
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}
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}
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}
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