/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.sling.reseditor;
import javax.servlet.http.HttpServletRequest;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceDecorator;
import org.apache.sling.api.resource.ResourceMetadata;
import org.apache.sling.api.resource.ResourceWrapper;
/**
* Overrules the resource resolver to let the Sling Resource Editor render servlets that
* have been registered by path.
*
* E.g. the login servlet is registered by path using the URL
* /system/sling/login. When calling /system/sling/login.reseditor.html the
* servlet would usually be called to render the request. To render this
* resource with the Sling Resource Editor instead, this ResourceDecorator removes the
* servlet resource type for requests that use the 'reseditor' selector in
* the path.
*
*/
public class SelectorBasedResourceDecorator implements ResourceDecorator {
private static final String RESEDITOR_RESOURCE_TYPE = "reseditor";
private static final String RESEDITOR_SELECTOR = "reseditor";
/**
* @see org.apache.sling.api.resource.ResourceDecorator#decorate(org.apache.sling.api.resource.Resource,
* javax.servlet.http.HttpServletRequest)
*/
public Resource decorate(Resource resource, HttpServletRequest request) {
String pathInfo = request.getPathInfo();
return getResourceEditorResourceWrapper(resource,
pathInfo);
}
/**
* @see org.apache.sling.api.resource.ResourceDecorator#decorate(org.apache.sling.api.resource.Resource)
*/
public Resource decorate(Resource resource) {
Resource result = null;
if (resource != null) {
ResourceMetadata resourceMetadata = resource.getResourceMetadata();
if (resourceMetadata != null) {
String resolutionPathInfo = resourceMetadata.getResolutionPathInfo();
result = getResourceEditorResourceWrapper(resource,resolutionPathInfo);
}
}
return result;
}
private Resource getResourceEditorResourceWrapper(Resource resource, String resolutionPathInfo) {
Resource result = null;
if (resolutionPathInfo != null && resolutionPathInfo.endsWith("." + RESEDITOR_SELECTOR + ".html")) {
result = new ResourceWrapper(resource) {
@Override
public String getResourceType() {
/*
* It overwrites the resource types to avoid that the servlet
* resource types have a higher priority then the
* Resource Editor's html.jsp.
*/
return RESEDITOR_RESOURCE_TYPE;
}
};
}
return result;
}
}