uri-resolver/src/main/java/org/gcube/datatransfer/resolver/services/UriResolverDocs.java

65 lines
1.7 KiB
Java

/**
*
*/
package org.gcube.datatransfer.resolver.services;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
* Oct 22, 2018
*/
@Path("docs")
public class UriResolverDocs {
private static Logger logger = LoggerFactory.getLogger(UriResolverDocs.class);
@GET
@Produces({MediaType.TEXT_HTML})
@Path("")
public InputStream index(@Context HttpServletRequest req) throws WebApplicationException{
logger.info(UriResolverDocs.class.getSimpleName() +" called");
String requestURI = req.getRequestURI();
try{
if(requestURI == null)
requestURI = "/index.html";
String pathInfo = req.getPathInfo();
logger.info("pathInfo {}",pathInfo);
logger.info("request URI {}", requestURI);
String realPath = req.getServletContext().getRealPath("/docs/"+requestURI);
return new FileInputStream(new File(realPath));
}catch (Exception e) {
if(!(e instanceof WebApplicationException)){
//UNEXPECTED EXCEPTION managing it as WebApplicationException
String error = requestURI+" not found. Please, contact the support!";
throw ExceptionManager.internalErrorException(req, error, this.getClass(), null);
}
//ALREADY MANAGED AS WebApplicationException
logger.error("Exception:", e);
throw (WebApplicationException) e;
}
}
}