// Copyright 2009 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.services;
import org.apache.tapestry5.Asset;
import org.apache.tapestry5.ioc.internal.util.CollectionFactory;
import org.apache.tapestry5.ioc.services.SymbolSource;
import org.apache.tapestry5.ioc.services.ThreadLocale;
import org.apache.tapestry5.services.AssetSource;
import org.apache.tapestry5.services.ClientInfrastructure;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
/**
* The default Javascript Stack consists of Prototype, Scriptaculous & the Tapestry-specific library.
*
* @since 5.1.0.2
*/
public class ClientInfrastructureImpl implements ClientInfrastructure
{
private final SymbolSource symbolSource;
private final AssetSource assetSource;
private final ThreadLocale threadLocale;
private final List<Asset> javascriptStack, stylesheetStack;
private static final String[] CORE_JAVASCRIPT = new String[]
{
// Core scripts added to any page that uses scripting
"${tapestry.scriptaculous}/prototype.js",
"${tapestry.scriptaculous}/scriptaculous.js",
"${tapestry.scriptaculous}/effects.js",
// Uses functions defined by the prior three
"org/apache/tapestry5/tapestry.js",
"${tapestry.blackbird}/blackbird.js"
};
private static final String[] CORE_STYLESHEET = new String[]
{
"${tapestry.default-stylesheet}",
"${tapestry.blackbird}/blackbird.css"
};
public ClientInfrastructureImpl(SymbolSource symbolSource, AssetSource assetSource, ThreadLocale threadLocale)
{
this.symbolSource = symbolSource;
this.assetSource = assetSource;
this.threadLocale = threadLocale;
javascriptStack = convertToAssets(CORE_JAVASCRIPT);
stylesheetStack = convertToAssets(CORE_STYLESHEET);
}
private List<Asset> convertToAssets(String[] paths)
{
List<Asset> assets = CollectionFactory.newList();
for (String path : paths)
{
assets.add(expand(path, null));
}
return Collections.unmodifiableList(assets);
}
private Asset expand(String path, Locale locale)
{
String expanded = symbolSource.expandSymbols(path);
return assetSource.getAsset(null, expanded, locale);
}
public List<Asset> getJavascriptStack()
{
List<Asset> result = CollectionFactory.newList(javascriptStack);
Asset messages = assetSource.getAsset(null, "org/apache/tapestry5/tapestry-messages.js",
threadLocale.getLocale());
result.add(messages);
return result;
}
public List<Asset> getStylesheetStack()
{
return stylesheetStack;
}
}