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The public API classes of the Apache MyFaces CORE JSF-2.2 project
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 jakarta.faces.component;
import java.io.Serializable;
import java.util.AbstractCollection;
import java.util.AbstractSet;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.apache.myfaces.core.api.shared.lang.Assert;
class _ComponentFacetMap implements Map, Serializable
{
private static final long serialVersionUID = -3456937594422167629L;
private UIComponent _component;
private Map _map = new _ArrayMap<>(0,5);
private Set> _entrySet = null;
private Set _keySet = null;
private Collection _valueCollection = null;
_ComponentFacetMap(UIComponent component)
{
_component = component;
}
@Override
public int size()
{
return _map.size();
}
@Override
public void clear()
{
UIComponent[] values = _map.values().toArray(new UIComponent[_map.size()]);
//remove all elements from underlying map
_map.clear();
//Set parent to null
for (int i = 0; i < values.length; i++)
{
values[i].setParent(null);
}
}
@Override
public boolean isEmpty()
{
return _map.isEmpty();
}
@Override
public boolean containsKey(Object key)
{
checkKey(key);
return _map.containsKey(key);
}
@Override
public boolean containsValue(Object value)
{
checkValue(value);
return _map.containsValue(value);
}
@Override
public Collection values()
{
if (_valueCollection == null)
{
_valueCollection= new ComponentFacetValueCollection();
}
return _valueCollection;
}
@Override
public void putAll(Map t)
{
for (Map.Entry entry : t.entrySet())
{
put(entry.getKey(), entry.getValue());
}
}
@Override
public Set> entrySet()
{
if (_entrySet == null)
{
_entrySet = new ComponentFacetEntrySet();
}
return _entrySet;
}
@Override
public Set keySet()
{
if (_keySet == null)
{
_keySet = new ComponentFacetKeySet();
}
return _keySet;
}
@Override
public V get(Object key)
{
checkKey(key);
return _map.get(key);
}
@Override
public V remove(Object key)
{
checkKey(key);
V facet = _map.remove(key);
if (facet != null)
{
facet.setParent(null);
}
return facet;
}
@Override
public V put(String key, V value)
{
Assert.notNull(key, "key");
Assert.notNull(value, "value");
setNewParent(key, value);
V previousValue = _map.put(key, value);
if (previousValue != null)
{
previousValue.setParent(null);
}
return previousValue;
}
private void setNewParent(String facetName, UIComponent facet)
{
UIComponent oldParent = facet.getParent();
if (oldParent != null)
{
if (!oldParent.getChildren().remove(facet))
{
// Check if the component is inside a facet and remove from there
if (oldParent.getFacetCount() > 0)
{
for (Iterator< Map.Entry > it =
oldParent.getFacets().entrySet().iterator() ; it.hasNext() ; )
{
Map.Entry entry = it.next();
if (entry.getValue().equals(facet))
{
it.remove();
break;
}
}
}
}
}
facet.setParent(_component);
}
private void checkKey(Object key)
{
Assert.notNull(key, "key");
if (!(key instanceof String))
{
throw new ClassCastException("key is not a String");
}
}
private void checkValue(Object value)
{
Assert.notNull(value, "value");
if (!(value instanceof UIComponent))
{
throw new ClassCastException("value is not a UIComponent");
}
}
private class ComponentFacetEntrySet extends AbstractSet>
{
public ComponentFacetEntrySet()
{
}
@Override
public int size()
{
return _map.size();
}
@Override
public boolean isEmpty()
{
return _map.isEmpty();
}
@Override
public boolean contains(Object o)
{
return _map.entrySet().contains(o);
}
@Override
public Iterator> iterator()
{
return new ComponentFacetEntryIterator(_map.entrySet().iterator());
}
@Override
public Object[] toArray()
{
return _map.entrySet().toArray();
}
@Override
public T[] toArray(T[] a)
{
return _map.entrySet().toArray(a);
}
@Override
public boolean add(java.util.Map.Entry o)
{
// Add over the entry set is not allowed, because this should be done
// through the outer Map instance.
throw new UnsupportedOperationException();
}
@Override
@SuppressWarnings("unchecked")
public boolean remove(Object o)
{
if (_map.entrySet().remove(o))
{
if (o instanceof Map.Entry)
{
Object value = ((Map.Entry) o).getValue();
if (value != null && value instanceof UIComponent)
{
((UIComponent) value).setParent(null);
}
}
return true;
}
else
{
return false;
}
}
@Override
public boolean containsAll(Collection c)
{
return _map.entrySet().containsAll(c);
}
@Override
public boolean addAll(Collection> c)
{
// Add over the entry set is not allowed, because this should be done
// through the outer Map instance.
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object obj)
{
return _map.entrySet().equals(obj);
}
@Override
public int hashCode()
{
return _map.entrySet().hashCode();
}
@Override
public String toString()
{
return _map.entrySet().toString();
}
}
private class ComponentFacetEntryIterator implements Iterator>
{
private Iterator> _delegate;
private V _currentEntryValue;
public ComponentFacetEntryIterator(Iterator> it)
{
_delegate = it;
_currentEntryValue = null;
}
@Override
public boolean hasNext()
{
return _delegate.hasNext();
}
@Override
public java.util.Map.Entry next()
{
java.util.Map.Entry next = _delegate.next();
_currentEntryValue = next.getValue();
return new ComponentFacetEntry(next);
}
@Override
public void remove()
{
_delegate.remove();
if (_currentEntryValue != null)
{
_currentEntryValue.setParent(null);
}
}
}
/**
* Wrapper used to override setValue() method
*
*/
private class ComponentFacetEntry implements Map.Entry
{
private java.util.Map.Entry _entry;
public ComponentFacetEntry(java.util.Map.Entry entry)
{
_entry = entry;
}
@Override
public String getKey()
{
return _entry.getKey();
}
@Override
public V getValue()
{
return _entry.getValue();
}
@Override
public V setValue(V value)
{
setNewParent(_entry.getKey(), value);
V previousValue = _entry.setValue(value);
if (previousValue != null)
{
previousValue.setParent(null);
}
return previousValue;
}
@Override
public int hashCode()
{
return _entry.hashCode();
}
@Override
public boolean equals(Object obj)
{
return _entry.equals(obj);
}
@Override
public String toString()
{
return _entry.toString();
}
}
private class ComponentFacetKeySet extends AbstractSet
{
public ComponentFacetKeySet()
{
}
@Override
public int size()
{
return _map.keySet().size();
}
@Override
public boolean isEmpty()
{
return _map.keySet().isEmpty();
}
@Override
public boolean contains(Object o)
{
return _map.containsKey(o);
}
@Override
public Iterator iterator()
{
// Iterate over entrySet is equals to iterate over keySet, but
// in this case is better use entrySet iterator, because we can
// get the value directly and call setParent(null) if the entry is
// removed
return new ComponentFacetKeyIterator(_map.entrySet().iterator());
}
@Override
public Object[] toArray()
{
return _map.keySet().toArray();
}
@Override
public T[] toArray(T[] a)
{
return _map.keySet().toArray(a);
}
@Override
public boolean add(String o)
{
throw new UnsupportedOperationException();
}
@Override
public boolean remove(Object o)
{
V previousValue = _map.get(o);
if (_map.keySet().remove(o))
{
if (previousValue != null)
{
previousValue.setParent(null);
}
return true;
}
else
{
return false;
}
}
@Override
public boolean containsAll(Collection c)
{
return _map.keySet().containsAll(c);
}
@Override
public boolean addAll(Collection c)
{
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object obj)
{
return _map.keySet().equals(obj);
}
@Override
public int hashCode()
{
return _map.keySet().hashCode();
}
@Override
public String toString()
{
return _map.keySet().toString();
}
}
private class ComponentFacetKeyIterator implements Iterator
{
private Iterator> _delegate;
private V _currentEntryValue;
public ComponentFacetKeyIterator(Iterator> it)
{
_delegate = it;
_currentEntryValue = null;
}
@Override
public boolean hasNext()
{
return _delegate.hasNext();
}
@Override
public String next()
{
java.util.Map.Entry next = _delegate.next();
_currentEntryValue = next.getValue();
return next.getKey();
}
@Override
public void remove()
{
_delegate.remove();
if (_currentEntryValue != null)
{
_currentEntryValue.setParent(null);
}
}
}
private class ComponentFacetValueCollection extends AbstractCollection
{
public ComponentFacetValueCollection()
{
}
@Override
public int size()
{
return _map.values().size();
}
@Override
public boolean isEmpty()
{
return _map.values().isEmpty();
}
@Override
public boolean contains(Object o)
{
return _map.containsValue(o);
}
@Override
public Iterator iterator()
{
return new ComponentFacetValueIterator(_map.entrySet().iterator());
}
@Override
public Object[] toArray()
{
return _map.values().toArray();
}
@Override
public T[] toArray(T[] a)
{
return _map.values().toArray(a);
}
@Override
public boolean add(V o)
{
// Add over the entry set is not allowed, because this should be done
// through the outer Map instance.
throw new UnsupportedOperationException();
}
@Override
public boolean containsAll(Collection c)
{
return _map.values().containsAll(c);
}
@Override
public boolean addAll(Collection c)
{
// Add over the entry set is not allowed, because this should be done
// through the outer Map instance.
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object obj)
{
return _map.values().equals(obj);
}
@Override
public int hashCode()
{
return _map.values().hashCode();
}
@Override
public String toString()
{
return _map.values().toString();
}
}
private class ComponentFacetValueIterator implements Iterator
{
private Iterator> _delegate;
private V _currentEntryValue;
public ComponentFacetValueIterator(Iterator> it)
{
_delegate = it;
_currentEntryValue = null;
}
@Override
public boolean hasNext()
{
return _delegate.hasNext();
}
@Override
public V next()
{
java.util.Map.Entry next = _delegate.next();
_currentEntryValue = next.getValue();
return next.getValue();
}
@Override
public void remove()
{
_delegate.remove();
if (_currentEntryValue != null)
{
_currentEntryValue.setParent(null);
}
}
}
}
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