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112 lines
3.2 KiB
Java
112 lines
3.2 KiB
Java
/**
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*
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*/
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package org.gcube.datatransfer.resolver.services;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.net.URI;
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import javax.servlet.ServletContext;
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import javax.servlet.http.HttpServletRequest;
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import javax.ws.rs.GET;
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import javax.ws.rs.Path;
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import javax.ws.rs.Produces;
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import javax.ws.rs.WebApplicationException;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import javax.ws.rs.core.UriBuilder;
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import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* The Class UriResolverDocs.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
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*
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* Mar 24, 2022
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*/
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@Path("docs")
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public class UriResolverDocs {
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private static Logger logger = LoggerFactory.getLogger(UriResolverDocs.class);
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/**
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* To doc.
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*
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* @param req the req
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* @return the input stream
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* @throws WebApplicationException the web application exception
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*/
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@GET
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//@Produces({ MediaType.TEXT_HTML })
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@Path("/{any: .*}")
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public Response toDoc(@Context HttpServletRequest req) throws WebApplicationException {
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logger.info(UriResolverDocs.class.getSimpleName() + " toDoc called");
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String pathInfo = req.getPathInfo();
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logger.info("pathInfo {}", pathInfo);
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try {
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if (pathInfo.equals("/docs/"))
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pathInfo += "index.html";
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ServletContext context = req.getServletContext();
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//String realPath = context.getRealPath(pathInfo);
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UriBuilder builder = UriBuilder.fromPath(context.getContextPath());
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pathInfo=pathInfo.startsWith("/")?pathInfo:"/"+pathInfo;
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builder.path(pathInfo);
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URI redirectTo = builder.build();
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logger.info("redirecting to {}", redirectTo);
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return Response.seeOther(redirectTo).build();
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} catch (Exception e) {
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if (!(e instanceof WebApplicationException)) {
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// UNEXPECTED EXCEPTION managing it as WebApplicationException
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String error = pathInfo + " not found. Please, contact the support!";
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throw ExceptionManager.internalErrorException(req, error, this.getClass(), null);
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}
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// ALREADY MANAGED AS WebApplicationException
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logger.error("Exception:", e);
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throw (WebApplicationException) e;
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}
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}
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/**
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* Index.
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*
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* @param req the req
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* @return the input stream
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* @throws WebApplicationException the web application exception
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*/
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@GET
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@Produces({ MediaType.TEXT_HTML })
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@Path("")
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public InputStream index(@Context HttpServletRequest req) throws WebApplicationException {
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logger.info(UriResolverDocs.class.getSimpleName() + " index called");
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String pathInfo = "/docs/index.html";
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try {
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String realPath = req.getServletContext().getRealPath(pathInfo);
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return new FileInputStream(new File(realPath));
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} catch (Exception e) {
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if (!(e instanceof WebApplicationException)) {
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// UNEXPECTED EXCEPTION managing it as WebApplicationException
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String error = pathInfo + " not found. Please, contact the support!";
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throw ExceptionManager.internalErrorException(req, error, this.getClass(), null);
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}
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// ALREADY MANAGED AS WebApplicationException
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logger.error("Exception:", e);
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throw (WebApplicationException) e;
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}
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}
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}
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