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LUCENE-1636: catch null input passed to AttributeSource ctor 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@777525 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2009-05-22 13:52:28 +00:00
parent eba450d10b
commit caeedf1233
1 changed files with 3 additions and 0 deletions
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3
src/java/org/apache/lucene/util/AttributeSource.java
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@ -66,6 +66,9 @@ public class AttributeSource {
} }
public AttributeSource(AttributeSource input) { public AttributeSource(AttributeSource input) {
if (input == null) {
throw new IllegalArgumentException("input AttributeSource must not be null");
}
this.attributes = input.attributes; this.attributes = input.attributes;
} }