test_class.file: protocol-adapter/src/test/java/org/eclipse/ditto/protocoladapter/DittoAckRequestsFilterTest.java
test_class.identifier: DittoAckRequestsFilterTest
test_case.body: @Test
      public void filterEmptyStringValue() {
          final DittoHeaderDefinition headerDefinition = DittoHeaderDefinition.REQUESTED_ACKS;
  
          final DittoAckRequestsFilter underTest = DittoAckRequestsFilter.getInstance();
  
          assertThat(underTest.apply(headerDefinition.getKey(), "")).isNull();
      }
test_case.class_method_signature: DittoAckRequestsFilterTest.filterEmptyStringValue()
test_case.full_signature: @Test public void filterEmptyStringValue()
test_case.identifier: filterEmptyStringValue
test_case.invocations: getInstance isNull assertThat apply getKey
test_case.modifiers: @Test public
test_case.parameters: ()
test_case.return: void
test_case.signature: void filterEmptyStringValue()
focal_class.declarator: TWIN_PERSISTED_ONLY_VALUE = "[\"" + DittoAcknowledgementLabel.TWIN_PERSISTED + "\"]"
focal_class.modifier: private static final
focal_class.original_string: private static final String TWIN_PERSISTED_ONLY_VALUE = "[\"" + DittoAcknowledgementLabel.TWIN_PERSISTED + "\"]";
focal_class.type: String
focal_class.var_name: TWIN_PERSISTED_ONLY_VALUE
focal_class.declarator: LIVE_RESPONSE_ONLY_VALUE = "[\"" + DittoAcknowledgementLabel.LIVE_RESPONSE + "\"]"
focal_class.modifier: private static final
focal_class.original_string: private static final String LIVE_RESPONSE_ONLY_VALUE = "[\"" + DittoAcknowledgementLabel.LIVE_RESPONSE + "\"]";
focal_class.type: String
focal_class.var_name: LIVE_RESPONSE_ONLY_VALUE
focal_class.declarator: EMPTY_JSON_STRING = JsonValue.of("")
focal_class.modifier: private static final
focal_class.original_string: private static final JsonValue EMPTY_JSON_STRING = JsonValue.of("");
focal_class.type: JsonValue
focal_class.var_name: EMPTY_JSON_STRING
focal_class.declarator: INSTANCE = new DittoAckRequestsFilter()
focal_class.modifier: private static final
focal_class.original_string: private static final DittoAckRequestsFilter INSTANCE = new DittoAckRequestsFilter();
focal_class.type: DittoAckRequestsFilter
focal_class.var_name: INSTANCE
focal_class.file: protocol-adapter/src/main/java/org/eclipse/ditto/protocoladapter/DittoAckRequestsFilter.java
focal_class.identifier: DittoAckRequestsFilter
focal_class.class_method_signature: DittoAckRequestsFilter.DittoAckRequestsFilter()
focal_class.full_signature: private  DittoAckRequestsFilter()
focal_class.identifier: DittoAckRequestsFilter
focal_class.modifiers: private
focal_class.parameters: ()
focal_class.signature:  DittoAckRequestsFilter()
focal_class.class_method_signature: DittoAckRequestsFilter.getInstance()
focal_class.full_signature: public static DittoAckRequestsFilter getInstance()
focal_class.identifier: getInstance
focal_class.modifiers: public static
focal_class.parameters: ()
focal_class.return: DittoAckRequestsFilter
focal_class.signature: DittoAckRequestsFilter getInstance()
focal_class.class_method_signature: DittoAckRequestsFilter.filterValue(final String key, final String value)
focal_class.full_signature: @Override @Nullable public String filterValue(final String key, final String value)
focal_class.identifier: filterValue
focal_class.modifiers: @Override @Nullable public
focal_class.parameters: (final String key, final String value)
focal_class.return: String
focal_class.signature: String filterValue(final String key, final String value)
focal_class.class_method_signature: DittoAckRequestsFilter.isTwinPersistedOnly(final String value)
focal_class.full_signature: private static boolean isTwinPersistedOnly(final String value)
focal_class.identifier: isTwinPersistedOnly
focal_class.modifiers: private static
focal_class.parameters: (final String value)
focal_class.return: boolean
focal_class.signature: boolean isTwinPersistedOnly(final String value)
focal_class.class_method_signature: DittoAckRequestsFilter.isLiveResponseOnly(final String value)
focal_class.full_signature: private static boolean isLiveResponseOnly(final String value)
focal_class.identifier: isLiveResponseOnly
focal_class.modifiers: private static
focal_class.parameters: (final String value)
focal_class.return: boolean
focal_class.signature: boolean isLiveResponseOnly(final String value)
focal_class.class_method_signature: DittoAckRequestsFilter.isRequestedAcks(final String key)
focal_class.full_signature: private static boolean isRequestedAcks(final String key)
focal_class.identifier: isRequestedAcks
focal_class.modifiers: private static
focal_class.parameters: (final String key)
focal_class.return: boolean
focal_class.signature: boolean isRequestedAcks(final String key)
focal_class.class_method_signature: DittoAckRequestsFilter.tryToParseAsJsonArrayAndFilter(final String value)
focal_class.full_signature: @Nullable private static String tryToParseAsJsonArrayAndFilter(final String value)
focal_class.identifier: tryToParseAsJsonArrayAndFilter
focal_class.modifiers: @Nullable private static
focal_class.parameters: (final String value)
focal_class.return: String
focal_class.signature: String tryToParseAsJsonArrayAndFilter(final String value)
focal_class.class_method_signature: DittoAckRequestsFilter.parseAsJsonArrayAndFilter(final String value)
focal_class.full_signature: @Nullable private static String parseAsJsonArrayAndFilter(final String value)
focal_class.identifier: parseAsJsonArrayAndFilter
focal_class.modifiers: @Nullable private static
focal_class.parameters: (final String value)
focal_class.return: String
focal_class.signature: String parseAsJsonArrayAndFilter(final String value)
focal_class.class_method_signature: DittoAckRequestsFilter.isDittoInternal(final JsonValue ackRequestLabelJsonValue)
focal_class.full_signature: private static boolean isDittoInternal(final JsonValue ackRequestLabelJsonValue)
focal_class.identifier: isDittoInternal
focal_class.modifiers: private static
focal_class.parameters: (final JsonValue ackRequestLabelJsonValue)
focal_class.return: boolean
focal_class.signature: boolean isDittoInternal(final JsonValue ackRequestLabelJsonValue)
focal_class.superclass: extends AbstractHeaderEntryFilter
focal_method.body: public static DittoAckRequestsFilter getInstance() {
          return INSTANCE;
      }
focal_method.class_method_signature: DittoAckRequestsFilter.getInstance()
focal_method.full_signature: public static DittoAckRequestsFilter getInstance()
focal_method.identifier: getInstance
focal_method.modifiers: public static
focal_method.parameters: ()
focal_method.return: DittoAckRequestsFilter
focal_method.signature: DittoAckRequestsFilter getInstance()