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1 package de.mpiwg.itgroup.ismi.utils;
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2
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3 import java.util.List;
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4
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5 import de.mpiwg.itgroup.ismi.util.guiComponents.Reference;
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6
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7 public class ISMIUtils {
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8
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9 public static boolean replaceRef(List<SelectableObject<Reference>> list, Reference old, Reference newRef){
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10 if(newRef != null){
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11 for(SelectableObject<Reference> so : list ){
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12 Reference ref = so.getObj();
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13 if(ref != null && old.equals(ref)){
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14 //replacing
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15 so.setObj(newRef);
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16 return true;
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17 }
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18 }
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19 }
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20 //adding in any case
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21 list.add(new SelectableObject<Reference>(newRef));
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22 return false;
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23 }
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24
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25 public static boolean listContainsObj(List<SelectableObject<Reference>> list, Object obj){
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26 if(obj != null){
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27 for(SelectableObject<Reference> so : list ){
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28 Reference oInList = so.getObj();
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29 if(oInList != null && obj.equals(oInList)){
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30 return true;
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31 }
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32 }
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33 }
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34 return false;
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35 }
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36
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37 public static boolean removeObjFromList(List<SelectableObject<Reference>> list, Reference obj){
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38
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39 if(obj != null){
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40 for(SelectableObject<Reference> so : list ){
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41 Reference oInList = so.getObj();
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42 if(oInList != null && obj.equals(oInList)){
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43 list.remove(so);
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44 return true;
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45 }
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46 }
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47 }
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48
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49 return false;
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50 }
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51
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52 public static boolean add2List(List<SelectableObject<Reference>> list, Reference obj){
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53 if(!listContainsObj(list, obj)){
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54 list.add(new SelectableObject<Reference>(obj));
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55 return true;
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56 }
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57 return false;
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58 }
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59 }
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