org.glassfish.grizzly.filterchain.ListFacadeFilterChain Maven / Gradle / Ivy
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package org.glassfish.grizzly.filterchain;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
/**
* {@link FilterChain} facade, which implements all the {@link List} related
* methods.
*
* @see FilterChain
*
* @author Alexey Stashok
*/
public abstract class ListFacadeFilterChain extends AbstractFilterChain {
/**
* The list of Filters this chain will invoke.
*/
protected final List filters;
public ListFacadeFilterChain(final List filtersImpl) {
this.filters = filtersImpl;
}
/**
* {@inheritDoc}
*/
@Override
public boolean add(Filter filter) {
if (filters.add(filter)) {
filter.onAdded(this);
notifyChangedExcept(filter);
return true;
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public void add(int index, Filter filter){
filters.add(index, filter);
filter.onAdded(this);
notifyChangedExcept(filter);
}
/**
* {@inheritDoc}
*/
@Override
public boolean addAll(Collection c) {
for(Filter filter : c) {
filters.add(filter);
filter.onAdded(this);
}
notifyChangedExcept(null);
return true;
}
/**
* {@inheritDoc}
*/
@Override
public boolean addAll(int index, Collection c) {
int i = 0;
for(Filter filter : c) {
filters.add(index + (i++), filter);
filter.onAdded(this);
}
notifyChangedExcept(null);
return true;
}
/**
* {@inheritDoc}
*/
@Override
public Filter set(final int index, final Filter filter) {
final Filter oldFilter = filters.set(index, filter);
if (oldFilter != filter) {
if (oldFilter != null) {
oldFilter.onRemoved(this);
}
filter.onAdded(this);
notifyChangedExcept(filter);
}
return oldFilter;
}
/**
* {@inheritDoc}
*/
@Override
public final Filter get(final int index) {
return filters.get(index);
}
/**
* {@inheritDoc}
*/
@Override
public int indexOf(final Object object) {
return filters.indexOf(object);
}
/**
* {@inheritDoc}
*/
@Override
public int lastIndexOf(Object filter) {
return filters.lastIndexOf(filter);
}
/**
* {@inheritDoc}
*/
@Override
@SuppressWarnings({""})
public boolean contains(Object filter) {
return filters.contains(filter);
}
/**
* {@inheritDoc}
*/
@Override
public boolean containsAll(Collection c) {
return filters.containsAll(c);
}
/**
* {@inheritDoc}
*/
@Override
public Object[] toArray() {
return filters.toArray();
}
/**
* {@inheritDoc}
*/
@Override
public T[] toArray(T[] a) {
return filters.toArray(a);
}
/**
* {@inheritDoc}
*/
@Override
public boolean retainAll(Collection c) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
@Override
public boolean remove(Object object) {
final Filter filter = (Filter) object;
if (filters.remove(filter)) {
filter.onRemoved(this);
notifyChangedExcept(filter);
return true;
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public Filter remove(int index) {
final Filter filter = filters.remove(index);
if (filter != null) {
filter.onRemoved(this);
notifyChangedExcept(filter);
return filter;
}
return null;
}
/**
* {@inheritDoc}
*/
@Override
public boolean removeAll(Collection c) {
throw new UnsupportedOperationException();
}
/**
* {@inheritDoc}
*/
@Override
public boolean isEmpty() {
return filters == null || filters.isEmpty();
}
/**
* {@inheritDoc}
*/
@Override
public int size() {
return filters.size();
}
/**
* {@inheritDoc}
*/
@Override
public void clear() {
final Object[] localFilters = filters.toArray();
filters.clear();
for (Object filter : localFilters) {
((Filter) filter).onRemoved(this);
}
}
/**
* {@inheritDoc}
*/
@Override
public Iterator iterator() {
return filters.iterator();
}
/**
* {@inheritDoc}
*/
@Override
public ListIterator listIterator() {
return filters.listIterator();
}
/**
* {@inheritDoc}
*/
@Override
public ListIterator listIterator(int index) {
return filters.listIterator(index);
}
protected void notifyChangedExcept(Filter filter) {
for(Filter currentFilter : filters) {
if (currentFilter != filter) {
currentFilter.onFilterChainChanged(this);
}
}
}
}