// Copyright 2005 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.tapestry.asset;
import java.util.Locale;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.hivemind.ClassResolver;
import org.apache.hivemind.Location;
import org.apache.hivemind.Resource;
import org.apache.hivemind.util.ClasspathResource;
import org.apache.tapestry.IAsset;
import org.apache.tapestry.engine.IEngineService;
import org.apache.tapestry.l10n.ResourceLocalizer;
/**
* Creates instances of {@link org.apache.tapestry.asset.PrivateAsset}, which are the holders of
* classpath: resources.
*
* @author Howard M. Lewis Ship
* @since 4.0
*/
public class ClasspathAssetFactory implements AssetFactory
{
private ClassResolver _classResolver;
private IEngineService _assetService;
private ResourceLocalizer _localizer;
public IAsset createAsset(Resource baseResource, String path, Locale locale, Location location)
{
Resource asset = baseResource.getRelativeResource(path);
Resource localized = _localizer.findLocalization(asset, locale);
if (localized == null)
throw new ApplicationRuntimeException(AssetMessages.missingAsset(path, baseResource),
location, null);
return createAsset(localized, location);
}
public IAsset createAbsoluteAsset(String path, Locale locale, Location location)
{
Resource base = new ClasspathResource(_classResolver, path);
Resource localized = _localizer.findLocalization(base, locale);
if (localized == null)
throw new ApplicationRuntimeException(AssetMessages.missingClasspathResource(path),
location, null);
return createAsset(localized, location);
}
public IAsset createAsset(Resource resource, Location location)
{
ClasspathResource cr = (ClasspathResource) resource;
return new PrivateAsset(cr, _assetService, location);
}
public void setAssetService(IEngineService assetService)
{
_assetService = assetService;
}
public void setClassResolver(ClassResolver classResolver)
{
_classResolver = classResolver;
}
public void setLocalizer(ResourceLocalizer localizer)
{
_localizer = localizer;
}
}