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88 lines
1.7 KiB
Java
88 lines
1.7 KiB
Java
/**
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*
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*/
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package es.upm.dit.gsi.jason.utils;
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import jason.asSyntax.Literal;
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import java.util.Collection;
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import java.util.LinkedList;
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/**
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*
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* Project: Web40SOJason
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* Package: es.upm.dit.gsi.jason.utils
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* Class: CollectionUtils
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*
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* @author Miguel Coronado (miguelcb@dit.upm.es)
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* @version Mar 9, 2012
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*
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*/
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public abstract class CollectionUtils {
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/**
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* This wraps a Literal in a collection
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* @param literal The literal
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* @return Collection containing the literal given
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*/
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public static Collection<Literal> wrapList(Literal literal) {
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Collection<Literal> res = new LinkedList<Literal>();
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res.add(literal);
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return res;
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}
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/**
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* This wraps a Literal in a collection
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* @param literal The string that represents a literal
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* @return Collection containing the literal given
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*/
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public static Collection<Literal> wrapList(String literal) {
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Collection<Literal> res = new LinkedList<Literal>();
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res.add(Literal.parseLiteral(literal));
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return res;
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}
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/**
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* This
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* @param collection
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* @return
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*/
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public static String[] toStringArray (Collection<? extends Object> collection){
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String[] strArray = new String[collection.size()];
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int index = 0;
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for(Object obj : collection){
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if(obj == null) {
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strArray[index] = "null";
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}
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else {
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strArray[index] = obj.toString();
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}
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index++;
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}
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return strArray;
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}
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/**
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*
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* @param items
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* @return
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*/
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public static String[] toStringArray (Object[] items){
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String[] strArray = new String[items.length];
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for(int index = 0; index < items.length; index++){
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Object obj = items[index];
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if(obj == null){
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strArray[index] = "null";
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}
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else{
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strArray[index] = items[index].toString();
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}
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}
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return strArray;
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}
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}
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