/*
* 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.scripting.thymeleaf.impl;
import java.io.InputStream;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.scripting.thymeleaf.SlingContext;
import org.osgi.framework.Constants;
import org.thymeleaf.TemplateProcessingParameters;
import org.thymeleaf.context.IContext;
import org.thymeleaf.exceptions.TemplateProcessingException;
import org.thymeleaf.resourceresolver.IResourceResolver;
import org.thymeleaf.util.Validate;
@Component(
label = "Apache Sling Scripting Thymeleaf “Sling Resource Resolver”",
description = "Sling resource resolver for Sling Scripting Thymeleaf",
immediate = true,
metatype = true
)
@Service
@Properties({
@Property(name = Constants.SERVICE_VENDOR, value = "The Apache Software Foundation"),
@Property(name = Constants.SERVICE_DESCRIPTION, value = "Sling resource resolver for Sling Scripting Thymeleaf"),
@Property(name = Constants.SERVICE_RANKING, intValue = 0, propertyPrivate = false)
})
public class SlingResourceResolver implements IResourceResolver {
public SlingResourceResolver() {
}
@Override
public String getName() {
return getClass().getName();
}
@Override
public InputStream getResourceAsStream(final TemplateProcessingParameters templateProcessingParameters, final String resourceName) {
Validate.notNull(templateProcessingParameters, "Template Processing Parameters cannot be null");
final IContext context = templateProcessingParameters.getContext();
if (context instanceof SlingContext) {
final SlingContext slingContext = (SlingContext) context;
final ResourceResolver resourceResolver = slingContext.getResourceResolver();
final Resource resource = resourceResolver.getResource(resourceName);
return resource.adaptTo(InputStream.class);
} else {
throw new TemplateProcessingException("Cannot handle context: " + context.getClass().getName());
}
}
}