package com.adobe.acs.commons.version.model;
import javax.inject.Inject;
import org.apache.commons.lang.StringUtils;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceUtil;
import org.apache.sling.models.annotations.Model;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.adobe.acs.commons.version.EvolutionAnalyser;
import com.adobe.acs.commons.version.EvolutionContext;
@Model(adaptables = SlingHttpServletRequest.class)
public class EvolutionModel {
private static final Logger log = LoggerFactory.getLogger(EvolutionModel.class);
@Inject
private ResourceResolver resolver;
@Inject
private EvolutionAnalyser analyser;
private final String path;
public EvolutionModel(SlingHttpServletRequest request) {
this.path = request.getParameter("path");
}
public String getResourcePath() {
return path;
}
public EvolutionContext getEvolution() {
if (StringUtils.isNotEmpty(path)) {
Resource resource = resolver.resolve(path);
if (resource != null && !ResourceUtil.isNonExistingResource(resource)) {
return analyser.getEvolutionContext(resource);
}
log.warn("Could not resolve resource at path={}", path);
}
log.warn("No path provided");
return null;
}
}