uri-resolver/src/main/java/org/gcube/datatransfer/resolver/services/UriResolverIndex.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;
/**
* The Class UriResolverIndex.
*
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
*
* Mar 24, 2022
*/
@Path("index")
public class UriResolverIndex {
private static Logger logger = LoggerFactory.getLogger(UriResolverIndex.class);
/**
* Index.
*
* @param req the req
* @return the input stream
* @throws WebApplicationException the web application exception
*/
@GET
@Produces({ MediaType.TEXT_HTML })
@Path("")
public InputStream index(@Context HttpServletRequest req) throws WebApplicationException {
String indexFile = "/WEB-INF/jsp/index.jsp";
try {
logger.info(UriResolverIndex.class.getSimpleName() + " called");
String realPath = req.getServletContext().getRealPath(indexFile);
return new FileInputStream(new File(realPath));
} catch (Exception e) {
if (!(e instanceof WebApplicationException)) {
// UNEXPECTED EXCEPTION managing it as WebApplicationException
String error = "Index.jsp 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;
}
}
}