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Simplify and performance improvement for getFreq

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bug 23004, from Janek Bogucki


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@131150 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2003-09-09 21:53:04 +00:00
parent c4d88de091
commit fc4c3af2c5
1 changed files with 5 additions and 9 deletions
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14
src/java/org/apache/commons/collections/CollectionUtils.java
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@ -1,5 +1,5 @@
/* /*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/CollectionUtils.java,v 1.40 2003/09/09 21:36:53 scolebourne Exp $ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/CollectionUtils.java,v 1.41 2003/09/09 21:53:04 scolebourne Exp $
* ==================================================================== * ====================================================================
* *
* The Apache Software License, Version 1.1 * The Apache Software License, Version 1.1
@ -67,7 +67,6 @@ import java.util.Iterator;
import java.util.List; import java.util.List;
import java.util.ListIterator; import java.util.ListIterator;
import java.util.Map; import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set; import java.util.Set;
import org.apache.commons.collections.decorators.PredicatedCollection; import org.apache.commons.collections.decorators.PredicatedCollection;
@ -81,7 +80,7 @@ import org.apache.commons.collections.iterators.EnumerationIterator;
* A set of {@link Collection} related utility methods. * A set of {@link Collection} related utility methods.
* *
* @since Commons Collections 1.0 * @since Commons Collections 1.0
* @version $Revision: 1.40 $ $Date: 2003/09/09 21:36:53 $ * @version $Revision: 1.41 $ $Date: 2003/09/09 21:53:04 $
* *
* @author Rodney Waldhoff * @author Rodney Waldhoff
* @author Paul Jack * @author Paul Jack
@ -826,12 +825,9 @@ public class CollectionUtils {
} }
private static final int getFreq(final Object obj, final Map freqMap) { private static final int getFreq(final Object obj, final Map freqMap) {
try { Integer count = (Integer) freqMap.get(obj);
return ((Integer)(freqMap.get(obj))).intValue(); if (count != null) {
} catch(NullPointerException e) { return count.intValue();
// ignored
} catch(NoSuchElementException e) {
// ignored
} }
return 0; return 0;
} }