com.google.gwt.emul.java.util.AbstractSequentialList Maven / Gradle / Ivy
/*
* Copyright 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package java.util;
/**
* Skeletal implementation of the List interface. [Sun
* docs]
*
* @param element type.
*/
public abstract class AbstractSequentialList extends AbstractList {
// Should not be instantiated directly.
protected AbstractSequentialList() {
}
@Override
public void add(int index, E element) {
ListIterator iter = listIterator(index);
iter.add(element);
}
@Override
public boolean addAll(int index, Collection c) {
boolean modified = false;
ListIterator iter = listIterator(index);
Iterator colIter = c.iterator();
while (colIter.hasNext()) {
iter.add(colIter.next());
modified = true;
}
return modified;
}
@Override
public E get(int index) {
ListIterator iter = listIterator(index);
try {
return iter.next();
} catch (NoSuchElementException e) {
throw new IndexOutOfBoundsException("Can't get element " + index);
}
}
@Override
public Iterator iterator() {
return listIterator();
}
@Override
public abstract ListIterator listIterator(int index);
@Override
public E remove(int index) {
ListIterator iter = listIterator(index);
E old;
try {
old = iter.next();
} catch (NoSuchElementException e) {
throw new IndexOutOfBoundsException("Can't remove element " + index);
}
iter.remove();
return old;
}
@Override
public E set(int index, E element) {
ListIterator iter = listIterator(index);
try {
E old = iter.next();
iter.set(element);
return old;
} catch (NoSuchElementException e) {
throw new IndexOutOfBoundsException("Can't set element " + index);
}
}
@Override
public abstract int size();
}