001// Copyright 2009, 2010 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007// http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry5.internal.services;
016
017import org.apache.tapestry5.commons.services.TypeCoercer;
018import org.apache.tapestry5.internal.AbstractEventContext;
019
020/**
021 * Simple implementation of {@link org.apache.tapestry5.EventContext}.
022 * 
023 * @since 5.1.0.0
024 */
025public class ArrayEventContext extends AbstractEventContext
026{
027    private final TypeCoercer typeCoercer;
028
029    private final Object[] values;
030
031    public ArrayEventContext(TypeCoercer typeCoercer, Object... values)
032    {
033        this.typeCoercer = typeCoercer;
034        this.values = values;
035    }
036
037    public <T> T get(Class<T> desiredType, int index)
038    {
039        return typeCoercer.coerce(values[index], desiredType);
040    }
041
042    public int getCount()
043    {
044        return values.length;
045    }
046}