Fix tag.get NullPointException (507b6b06) · Commits · SUMMER2020 / students / proj-2005026

skywalking-commons/skywalking-trace/src/main/java/com/a/eye/skywalking/trace/tag/BooleanTag.java

+7 −5

Original line number	Diff line number	Diff line
		@@ -18,8 +18,8 @@ public class BooleanTag extends AbstractTag<Boolean>{
		}

		/**
		* Get a tag value, type of {@link Boolean}.
		* After akka-message/serialize, all tags values are type of {@link String}, convert to {@link Boolean}, if necessary.
		* Get a tag value, type of {@link Boolean}. After akka-message/serialize, all tags values are type of {@link
		* String}, convert to {@link Boolean}, if necessary.
		*
		* @param span
		* @return tag value
		@@ -27,7 +27,9 @@ public class BooleanTag extends AbstractTag<Boolean>{
		@Override
		public Boolean get(Span span) {
		Object tagValue = span.getTag(super.key);
		if(tagValue instanceof Boolean){
		if (tagValue == null) {
		return null;
		} else if (tagValue instanceof Boolean) {
		return (Boolean)tagValue;
		} else {
		return Boolean.valueOf(tagValue.toString());

+3 −1

Original line number	Diff line number	Diff line
		@@ -27,7 +27,9 @@ public class IntTag extends AbstractTag<Integer> {
		@Override
		public Integer get(Span span) {
		Object tagValue = span.getTag(super.key);
		if(tagValue instanceof Integer){
		if (tagValue == null) {
		return null;
		} else if(tagValue instanceof Integer){
		return (Integer)tagValue;
		}else {
		return Integer.valueOf(tagValue.toString());

+3 −1

Original line number	Diff line number	Diff line
		@@ -26,7 +26,9 @@ public class ShortTag extends AbstractTag<Short> {
		*/
		@Override public Short get(Span span) {
		Object tagValue = span.getTag(super.key);
		if(tagValue instanceof Short){
		if (tagValue == null) {
		return null;
		} else if(tagValue instanceof Short){
		return (Short)tagValue;
		}else {
		return Short.valueOf(tagValue.toString());