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Use correct internal method, from Andrew Freeman 

Update licence and javadoc


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@130975 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2003-02-20 23:14:03 +00:00
parent dbee289a00
commit a1dc756f64
1 changed files with 69 additions and 54 deletions
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123
src/java/org/apache/commons/collections/BagUtils.java
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@ -1,13 +1,10 @@
/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/BagUtils.java,v 1.7 2002/10/13 00:38:36 scolebourne Exp $
* $Revision: 1.7 $
* $Date: 2002/10/13 00:38:36 $
*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/BagUtils.java,v 1.8 2003/02/20 23:14:03 scolebourne Exp $
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999-2001 The Apache Software Foundation. All rights
* Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -23,11 +20,11 @@
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
@ -36,7 +33,7 @@
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
@ -62,24 +59,30 @@ package org.apache.commons.collections;
import java.util.Comparator;
import java.util.Set;
/**
* Provides utility methods and decorators for {@link Bag}
* and {@link SortedBag} instances.<P>
* and {@link SortedBag} instances.
*
* @since Commons Collections 2.1
* @version $Revision: 1.8 $ $Date: 2003/02/20 23:14:03 $
*
* @author Paul Jack
* @author Stephen Colebourne
* @version $Id: BagUtils.java,v 1.7 2002/10/13 00:38:36 scolebourne Exp $
* @since 2.1
* @author Andrew Freeman
*/
public class BagUtils {
/**
* Prevents instantiation.
* Instantiation of BagUtils is not intended or required.
* However, some tools require an instance to operate.
*/
private BagUtils() {
public BagUtils() {
}
/**
* Implementation of a Bag that validates elements before they are added.
*/
static class PredicatedBag
extends CollectionUtils.PredicatedCollection
implements Bag {
@ -106,41 +109,14 @@ public class BagUtils {
}
private Bag getBag() {
return (Bag)collection;
}
}
static class UnmodifiableBag
extends CollectionUtils.UnmodifiableCollection
implements Bag {
public UnmodifiableBag(Bag bag) {
super(bag);
}
private Bag getBag() {
return (Bag)collection;
}
public boolean add(Object o, int count) {
throw new UnsupportedOperationException();
}
public boolean remove(Object o, int count) {
throw new UnsupportedOperationException();
}
public Set uniqueSet() {
return ((Bag)collection).uniqueSet();
}
public int getCount(Object o) {
return ((Bag)collection).getCount(o);
return (Bag) collection;
}
}
/**
* Implementation of a Bag that is synchronized.
*/
static class SynchronizedBag
extends CollectionUtils.SynchronizedCollection
implements Bag {
@ -166,12 +142,47 @@ public class BagUtils {
}
private Bag getBag() {
return (Bag)collection;
return (Bag) collection;
}
}
/**
* Implementation of a Bag that is unmodifiable.
*/
static class UnmodifiableBag
extends CollectionUtils.UnmodifiableCollection
implements Bag {
public UnmodifiableBag(Bag bag) {
super(bag);
}
public boolean add(Object o, int count) {
throw new UnsupportedOperationException();
}
public boolean remove(Object o, int count) {
throw new UnsupportedOperationException();
}
public Set uniqueSet() {
return getBag().uniqueSet();
}
public int getCount(Object o) {
return getBag().getCount(o);
}
private Bag getBag() {
return (Bag) collection;
}
}
/**
* Implementation of a SortedBag that validates elements before they are added.
*/
static class PredicatedSortedBag
extends PredicatedBag
implements SortedBag {
@ -193,11 +204,14 @@ public class BagUtils {
}
private SortedBag getSortedBag() {
return (SortedBag)collection;
return (SortedBag) collection;
}
}
/**
* Implementation of a SortedBag that is synchronized.
*/
static class SynchronizedSortedBag
extends SynchronizedBag
implements SortedBag {
@ -219,13 +233,15 @@ public class BagUtils {
}
private SortedBag getSortedBag() {
return (SortedBag)collection;
return (SortedBag) collection;
}
}
static class UnmodifiableSortedBag
/**
* Implementation of a SortedBag that is unmodifiable.
*/
static class UnmodifiableSortedBag
extends UnmodifiableBag
implements SortedBag {
@ -246,9 +262,8 @@ public class BagUtils {
}
private SortedBag getSortedBag() {
return (SortedBag)collection;
return (SortedBag) collection;
}
}