// Copyright 2010 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.integration.linktrans.services;
import java.util.Locale;
import org.apache.tapestry5.Link;
import org.apache.tapestry5.TapestryConstants;
import org.apache.tapestry5.internal.services.ArrayEventContext;
import org.apache.tapestry5.ioc.annotations.Inject;
import org.apache.tapestry5.ioc.services.TypeCoercer;
import org.apache.tapestry5.services.LocalizationSetter;
import org.apache.tapestry5.services.PageRenderRequestParameters;
import org.apache.tapestry5.services.PersistentLocale;
import org.apache.tapestry5.services.Request;
import org.apache.tapestry5.services.linktransform.PageRenderLinkTransformer;
public class AppPageRenderLinkTransformer implements PageRenderLinkTransformer
{
@Inject
private LocalizationSetter localizationSetter;
@Inject
private PersistentLocale persistentLocale;
@Inject
private TypeCoercer typeCoercer;
public PageRenderRequestParameters decodePageRenderRequest(Request request)
{
String path = request.getPath();
String[] split = path.substring(1).split("/");
if (split.length == 1 && split[0].equals("")) return null;
int pacx = 0;
String possibleLocaleName = split[0];
// Might be just the page activation context, or it might be locale then page
// activation context
boolean localeSpecified = localizationSetter.isSupportedLocaleName(possibleLocaleName);
if (localeSpecified)
{
pacx++;
}
if (pacx >= split.length)
return null;
if (localeSpecified)
localizationSetter.setLocaleFromLocaleName(possibleLocaleName);
boolean isLoopback = request.getParameter(TapestryConstants.PAGE_LOOPBACK_PARAMETER_NAME) != null;
return new PageRenderRequestParameters("View", new ArrayEventContext(typeCoercer, split[pacx]), isLoopback);
}
public Link transformPageRenderLink(Link defaultLink, PageRenderRequestParameters parameters)
{
if (!parameters.getLogicalPageName().equals("View"))
return null;
StringBuilder path = new StringBuilder();
Locale locale = persistentLocale.get();
if (locale != null)
path.append("/").append(locale.toString());
path.append("/");
// Cheating: we know there's exactly one value in the context.
path.append(parameters.getActivationContext().get(String.class, 0));
return defaultLink.copyWithBasePath(path.toString());
}
}