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    
015    package org.apache.tapestry5.internal.services;
016    
017    import org.apache.tapestry5.internal.AbstractEventContext;
018    import org.apache.tapestry5.ioc.services.TypeCoercer;
019    
020    /**
021     * Simple implementation of {@link org.apache.tapestry5.EventContext}.
022     * 
023     * @since 5.1.0.0
024     */
025    public 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    }