mirror of https://github.com/apache/lucene.git
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
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src/java/org/apache/lucene/util
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@ -66,6 +66,9 @@ public class AttributeSource {
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}
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public AttributeSource(AttributeSource input) {
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if (input == null) {
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throw new IllegalArgumentException("input AttributeSource must not be null");
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}
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this.attributes = input.attributes;
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}
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