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Update Trie.java (#70)

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* Update Trie.java

fix firstMatch NullPointerException

* Update Trie.java

change for shorter code
This commit is contained in:
Umit Gunduz 2019-10-11 18:32:26 +03:00 committed by Dave Jarvis
parent 3ab8990aae
commit 413d63675b
1 changed files with 2 additions and 2 deletions
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src/main/java/org/ahocorasick/trie/Trie.java
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@ -75,8 +75,8 @@ public class Trie {
* @return null if no matches found. * @return null if no matches found.
*/ */
public Emit firstMatch(final CharSequence text) { public Emit firstMatch(final CharSequence text) {
PayloadEmit<String> firstMatch = this.payloadTrie.firstMatch(text); final PayloadEmit<String> payload = this.payloadTrie.firstMatch(text);
return new Emit(firstMatch.getStart(), firstMatch.getEnd(), firstMatch.getKeyword()); return payload == null ? null : new Emit(payload.getStart(), payload.getEnd(), payload.getKeyword());
} }
/** /**