add basic adapters

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/collections/trunk@130899 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/collections/primitives/CollectionIntCollection.java

@@ -0,0 +1,157 @@
+/*
+ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/primitives/Attic/CollectionIntCollection.java,v 1.1 2003/01/05 03:03:42 rwaldhoff Exp $
+ * $Revision: 1.1 $
+ * $Date: 2003/01/05 03:03:42 $
+ *
+ * ====================================================================
+ *
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ *    any, must include the following acknowlegement:
+ *       "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.
+ *
+ * 4. The names "The Jakarta Project", "Commons", and "Apache Software
+ *    Foundation" must not be used to endorse or promote products derived
+ *    from this software without prior written permission. For written
+ *    permission, please contact apache@apache.org.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.commons.collections.primitives;
+
+import java.util.Collection;
+
+/**
+ * Adapts a {@link java.lang.Number Number} valued
+ * {@link java.util.Collection Collection} to the
+ * {@link IntCollection} interface.
+ *
+ * @version $Revision: 1.1 $ $Date: 2003/01/05 03:03:42 $
+ * @author Rodney Waldhoff 
+ */
+public class CollectionIntCollection implements IntCollection {
+    public CollectionIntCollection(Collection collection) {
+        _collection = collection;
+    }
+          
+    public boolean add(int element) {
+        return _collection.add(new Integer(element));
+    }
+        
+    public boolean addAll(IntCollection c) {
+        return _collection.addAll(IntCollectionCollection.wrap(c));
+    }
+    
+    public void clear() {
+        _collection.clear();
+    }
+
+    public boolean contains(int element) {
+        return _collection.contains(new Integer(element));
+    }
+    
+    public boolean containsAll(IntCollection c) {
+        return _collection.containsAll(IntCollectionCollection.wrap(c));
+    }        
+    
+    public boolean equals(Object o) {
+        return _collection.equals(o);
+    }
+    
+    public int hashCode() {
+        return _collection.hashCode();
+    }
+    
+    public boolean isEmpty() {
+        return _collection.isEmpty();
+    }
+    
+    public IntIterator iterator() {
+        return IteratorIntIterator.wrap(_collection.iterator());
+    }
+     
+    public boolean removeElement(int element) {
+        return _collection.remove(new Integer(element));
+    }
+    
+    public boolean removeAll(IntCollection c) {
+        return _collection.removeAll(IntCollectionCollection.wrap(c));
+    }
+        
+    public boolean retainAll(IntCollection c) {
+        return _collection.retainAll(IntCollectionCollection.wrap(c));
+    }
+    
+    public int size() {
+        return _collection.size();
+    }
+    
+    public int[] toArray() {
+        Object[] src = _collection.toArray();
+        int[] dest = new int[src.length];
+        for(int i=0;i<src.length;i++) {
+            dest[i] = ((Number)(src[i])).intValue();
+        }
+        return dest;
+    }
+    
+    public int[] toArray(int[] dest) {
+        Object[] src = _collection.toArray();
+        if(dest.length < src.length) {
+            dest = new int[src.length];
+        }
+        for(int i=0;i<src.length;i++) {
+            dest[i] = ((Number)(src[i])).intValue();
+        }
+        return dest;
+    }
+    
+    public static IntCollection wrap(Collection collection) {
+        return null == collection ? null : new CollectionIntCollection(collection);
+    }
+    
+    private Collection _collection = null;
+    
+}

src/java/org/apache/commons/collections/primitives/IntCollectionCollection.java

@@ -0,0 +1,163 @@
+/*
+ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/primitives/Attic/IntCollectionCollection.java,v 1.1 2003/01/05 03:03:42 rwaldhoff Exp $
+ * $Revision: 1.1 $
+ * $Date: 2003/01/05 03:03:42 $
+ *
+ * ====================================================================
+ *
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ *    any, must include the following acknowlegement:
+ *       "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.
+ *
+ * 4. The names "The Jakarta Project", "Commons", and "Apache Software
+ *    Foundation" must not be used to endorse or promote products derived
+ *    from this software without prior written permission. For written
+ *    permission, please contact apache@apache.org.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.commons.collections.primitives;
+
+import java.lang.reflect.Array;
+import java.util.Collection;
+import java.util.Iterator;
+
+/**
+ * Adapts an {@link IntCollection} to the
+ * {@link java.util.Collection Collection} interface.
+ *
+ * @version $Revision: 1.1 $ $Date: 2003/01/05 03:03:42 $
+ * @author Rodney Waldhoff 
+ */
+public class IntCollectionCollection implements Collection {
+    
+    public IntCollectionCollection(IntCollection collection) {
+        _collection = collection;
+    }
+    
+    public boolean add(Object element) {
+        return _collection.add(((Number)element).intValue());
+    }
+
+    public boolean addAll(Collection c) {
+        return _collection.addAll(CollectionIntCollection.wrap(c));
+    }
+        
+    public void clear() {
+        _collection.clear();
+    }
+
+    public boolean contains(Object element) {
+        return _collection.contains(((Number)element).intValue());
+    }
+   
+    
+    public boolean containsAll(Collection c) {
+        return _collection.containsAll(CollectionIntCollection.wrap(c));
+    }        
+    
+    public boolean equals(Object o) {
+        return _collection.equals(o);
+    }
+    
+    public int hashCode() {
+        return _collection.hashCode();
+    }
+    
+    public boolean isEmpty() {
+        return _collection.isEmpty();
+    }
+    
+    public Iterator iterator() {
+        return IntIteratorIterator.wrap(_collection.iterator());
+    }
+     
+    public boolean remove(Object element) {
+        return _collection.removeElement(((Number)element).intValue());
+    }
+    
+    public boolean removeAll(Collection c) {
+        return _collection.removeAll(CollectionIntCollection.wrap(c));
+    }
+    
+    public boolean retainAll(Collection c) {
+        return _collection.removeAll(CollectionIntCollection.wrap(c));
+    }
+    
+    public int size() {
+        return _collection.size();
+    }
+    
+    public Object[] toArray() {
+        int[] a = _collection.toArray();
+        Object[] A = new Object[a.length];
+        for(int i=0;i<a.length;i++) {
+            A[i] = new Integer(a[i]);
+        }
+        return A;
+    }
+    
+    public Object[] toArray(Object[] A) {
+        int[] a = _collection.toArray();
+        if(A.length < a.length) {
+            A = (Object[])(Array.newInstance(A.getClass().getComponentType(), a.length));
+        }
+        for(int i=0;i<a.length;i++) {
+            A[i] = new Integer(a[i]);
+        }
+        if(A.length > a.length) {
+            A[a.length] = null;
+        }
+
+        return A;
+    }
+    
+    public static Collection wrap(IntCollection collection) {
+        return null == collection ? null : new IntCollectionCollection(collection);
+    }
+    
+    private IntCollection _collection = null;
+}

src/java/org/apache/commons/collections/primitives/IntIteratorIterator.java

@@ -0,0 +1,97 @@
+/*
+ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/primitives/Attic/IntIteratorIterator.java,v 1.1 2003/01/05 03:03:42 rwaldhoff Exp $
+ * $Revision: 1.1 $
+ * $Date: 2003/01/05 03:03:42 $
+ *
+ * ====================================================================
+ *
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ *    any, must include the following acknowlegement:
+ *       "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.
+ *
+ * 4. The names "The Jakarta Project", "Commons", and "Apache Software
+ *    Foundation" must not be used to endorse or promote products derived
+ *    from this software without prior written permission. For written
+ *    permission, please contact apache@apache.org.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.commons.collections.primitives;
+
+import java.util.Iterator;
+
+/**
+ * Adapts an {@link IntIterator} to the
+ * {@link java.util.Iterator Iterator} interface.
+ *
+ * @version $Revision: 1.1 $ $Date: 2003/01/05 03:03:42 $
+ * @author Rodney Waldhoff 
+ */
+public class IntIteratorIterator implements Iterator {
+    
+    public IntIteratorIterator(IntIterator iterator) {
+        _iterator = iterator;
+    }
+    
+    public boolean hasNext() {
+        return _iterator.hasNext();
+    }
+    
+    public Object next() {
+        return new Integer(_iterator.next());
+    }
+    
+    public void remove() {
+        _iterator.remove();
+    }
+    
+    public static Iterator wrap(IntIterator iterator) {
+        return null == iterator ? null : new IntIteratorIterator(iterator);
+    }
+    
+    private IntIterator _iterator = null;
+
+}

src/java/org/apache/commons/collections/primitives/IteratorIntIterator.java

@@ -0,0 +1,99 @@
+/*
+ * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/primitives/Attic/IteratorIntIterator.java,v 1.1 2003/01/05 03:03:42 rwaldhoff Exp $
+ * $Revision: 1.1 $
+ * $Date: 2003/01/05 03:03:42 $
+ *
+ * ====================================================================
+ *
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ *    any, must include the following acknowlegement:
+ *       "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.
+ *
+ * 4. The names "The Jakarta Project", "Commons", and "Apache Software
+ *    Foundation" must not be used to endorse or promote products derived
+ *    from this software without prior written permission. For written
+ *    permission, please contact apache@apache.org.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.commons.collections.primitives;
+
+import java.util.Iterator;
+
+/**
+ * Adapts a {@link java.lang.Number Number}-valued 
+ * {@link java.util.Iterator Iterator} 
+ * to the {@link IntIterator} interface.
+ *
+ * @version $Revision: 1.1 $ $Date: 2003/01/05 03:03:42 $
+ * @author Rodney Waldhoff 
+ *  
+ */
+public class IteratorIntIterator implements IntIterator {
+    
+    public IteratorIntIterator(Iterator iterator) {
+        _iterator = iterator;
+    }
+    
+    public boolean hasNext() {
+        return _iterator.hasNext();
+    }
+    
+    public int next() {
+        return ((Number)(_iterator.next())).intValue();
+    }
+    
+    public void remove() {
+        _iterator.remove();
+    }
+    
+    public static IntIterator wrap(Iterator iterator) {
+        return null == iterator ? null : new IteratorIntIterator(iterator);
+    }
+
+    private Iterator _iterator = null;
+
+}