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package eu.etaxonomy.taxeditor.handler;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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import org.eclipse.core.commands.AbstractParameterValueConverter;
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import org.eclipse.core.commands.ParameterValueConversionException;
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/**
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* Converts either a single {@link UUID} or a list of UUIDSs to a string representation
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* and vica versa.
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*
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* @author pplitzner
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* @date Sep 15, 2015
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*
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*/
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public class UuidsParameterTypeConverter extends AbstractParameterValueConverter {
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private static final String SEPARATOR = ",";
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public UuidsParameterTypeConverter() {
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}
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@Override
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public Object convertToObject(String parameterValue) throws ParameterValueConversionException {
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if(parameterValue.endsWith(SEPARATOR)){
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List<UUID> uuids = new ArrayList<UUID>();
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String[] split = parameterValue.split(SEPARATOR);
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for (String string : split) {
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uuids.add(UUID.fromString(string));
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}
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return uuids;
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}
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else{
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return UUID.fromString(parameterValue);
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}
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}
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@Override
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public String convertToString(Object parameterValue) throws ParameterValueConversionException {
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if(parameterValue instanceof List){
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List list = (List)parameterValue;
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String stringList = "";
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for (Object object : list) {
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stringList += parameterValue.toString()+SEPARATOR;
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}
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}
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else if(parameterValue instanceof UUID){
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return parameterValue.toString();
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}
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else{
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throw new ParameterValueConversionException("Parameter is of wrong type: "+parameterValue.getClass().toString());
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}
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return null;
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}
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}
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