[New] Added ModelHelper to copy params
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package li.strolch.model;
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import static li.strolch.model.StrolchModelConstants.BAG_PARAMETERS;
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import static li.strolch.model.StrolchModelConstants.BAG_RELATIONS;
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import li.strolch.model.parameter.StringParameter;
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/**
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* Helper class to perform often performed model commands
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*/
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public class ModelHelper {
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public static void copyExistingString(Resource src, Resource dst, String paramId) {
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copyStringParam(src, dst, BAG_PARAMETERS, paramId);
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}
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public static void copyExistingRelation(Resource src, Resource dst, String paramId) {
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copyStringParam(src, dst, BAG_RELATIONS, paramId);
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}
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public static void copyStringParam(Resource src, Resource dst, String bagId, String paramId) {
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if (src.hasParameter(bagId, paramId) && !src.getStringP(bagId, paramId).isEmpty()) {
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StringParameter existingBillingIdP = src.getStringP(bagId, paramId);
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if (!dst.hasParameter(bagId, paramId)) {
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dst.addParameter(existingBillingIdP.getClone());
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} else if (dst.getStringP(bagId, paramId).isEmpty()) {
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dst.setString(bagId, paramId, existingBillingIdP.getValue());
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}
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}
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}
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}
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