forked from D-Net/dnet-hadoop
replaced null value with a more safe empty string as return value
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@ -166,7 +166,13 @@ public class PublicationToOaf implements Serializable {
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// Adding source
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final String source = getStringValue(rootElement, "sourceName");
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if (StringUtils.isNotBlank(source)) {
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publication.setSource(Arrays.asList(mapStringField(source, null)));
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Field<String> sourceField = mapStringField(source, null);
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if (sourceField==null) {
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publication.setSource(null);
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}
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else {
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publication.setSource(Arrays.asList(sourceField));
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}
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}
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// Adding titles
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@ -20,7 +20,7 @@ public class DumpToActionsUtility {
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public static String getStringValue(final JsonObject root, final String key) {
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if (root.has(key) && !root.get(key).isJsonNull())
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return root.get(key).getAsString();
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return null;
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return new String("");
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}
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public static List<String> getArrayValues(final JsonObject root, final String key) {
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