tapestry-core/src/main/java/org/apache/tapestry5/internal/structure/PageResourcesImpl.java

// Copyright 2008 The Apache Software Foundation
//
// 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 org.apache.tapestry5.internal.structure;

import org.apache.tapestry5.internal.services.ComponentClassCache;
import org.apache.tapestry5.ioc.Messages;
import org.apache.tapestry5.ioc.services.TypeCoercer;
import org.apache.tapestry5.model.ComponentModel;
import org.apache.tapestry5.services.ComponentMessagesSource;
import org.apache.tapestry5.services.ContextValueEncoder;

import java.util.Locale;

public class PageResourcesImpl implements PageResources
{
    private final Locale locale;

    private final ComponentMessagesSource componentMessagesSource;

    private final TypeCoercer typeCoercer;

    private final ComponentClassCache componentClassCache;

    private final ContextValueEncoder contextValueEncoder;

    public PageResourcesImpl(Locale locale, ComponentMessagesSource componentMessagesSource, TypeCoercer typeCoercer,
                             ComponentClassCache componentClassCache, ContextValueEncoder contextValueEncoder)
    {
        this.componentMessagesSource = componentMessagesSource;
        this.locale = locale;
        this.typeCoercer = typeCoercer;
        this.componentClassCache = componentClassCache;
        this.contextValueEncoder = contextValueEncoder;
    }

    public Messages getMessages(ComponentModel componentModel)
    {
        return componentMessagesSource.getMessages(componentModel, locale);
    }

    public <S, T> T coerce(S input, Class<T> targetType)
    {
        return typeCoercer.coerce(input, targetType);
    }

    public Class toClass(String className)
    {
        return componentClassCache.forName(className);
    }

    public String toClient(Object value)
    {
        return contextValueEncoder.toClient(value);
    }

    public <T> T toValue(Class<T> requiredType, String clientValue)
    {
        return contextValueEncoder.toValue(requiredType, clientValue);
    }
}