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added StaticImageController

This commit is contained in:
Francesco Mangiacrapa 2024-05-02 13:53:09 +02:00
parent ebad8120df
commit 40f8e239df
3 changed files with 119 additions and 65 deletions
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65
src/main/java/org/gcube/datatransfer/resolver/services/StaticFileController.java
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@ -1,65 +0,0 @@
/**
*
*/
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.WebApplicationException;
import javax.ws.rs.core.Context;
import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Class StaticFileController.
*
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
*
* May 2, 2024
*/
@Path("pub")
public class StaticFileController {
private static Logger logger = LoggerFactory.getLogger(StaticFileController.class);
/**
* To doc.
*
* @param req the req
* @return the input stream
* @throws WebApplicationException the web application exception
*/
@GET
@Path("/{any: .*}")
public InputStream toFile(@Context HttpServletRequest req) throws WebApplicationException {
logger.info(StaticFileController.class.getSimpleName() + " toFile called");
String pathInfo = req.getPathInfo();
logger.debug("pathInfo {}", pathInfo);
try {
logger.info("going to {}", pathInfo);
String realPath = req.getServletContext().getRealPath(pathInfo);
return new FileInputStream(new File(realPath));
} catch (Exception e) {
if (!(e instanceof WebApplicationException)) {
// UNEXPECTED EXCEPTION managing it as WebApplicationException
String error = pathInfo + " 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;
}
}
}

119
src/main/java/org/gcube/datatransfer/resolver/services/StaticImageController.java Normal file
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@ -0,0 +1,119 @@
/**
*
*/
package org.gcube.datatransfer.resolver.services;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
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.StreamingOutput;
import org.apache.commons.io.IOUtils;
import org.gcube.datatransfer.resolver.services.error.ExceptionManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Class StaticImageController.
*
* @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
*
* May 2, 2024
*/
@Path("img")
public class StaticImageController {
private static Logger logger = LoggerFactory.getLogger(StaticImageController.class);
// /**
// * To doc.
// *
// * @param req the req
// * @return the input stream
// * @throws WebApplicationException the web application exception
// */
// @GET
// @Path("/{any: .*}")
// @Produces({ "image/png", "image/jpg", "image/gif" })
// public InputStream toFile(@Context HttpServletRequest req) throws WebApplicationException {
// logger.info(StaticImageController.class.getSimpleName() + " toFile called");
//
// String pathInfo = req.getPathInfo();
// logger.debug("pathInfo {}", pathInfo);
// try {
//
// logger.info("going to {}", pathInfo);
//
// String realPath = req.getServletContext().getRealPath(pathInfo);
// return new FileInputStream(new File(realPath));
//
// } catch (Exception e) {
//
// if (!(e instanceof WebApplicationException)) {
// // UNEXPECTED EXCEPTION managing it as WebApplicationException
// String error = pathInfo + " 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;
// }
// }
//
/**
* To file out.
*
* @param req the req
* @return the streaming output
* @throws WebApplicationException the web application exception
*/
@GET
@Path("/{any: .*}")
@Produces({ "image/png", "image/jpg", "image/gif" })
public StreamingOutput toFileOut(@Context HttpServletRequest req) throws WebApplicationException {
logger.info(StaticImageController.class.getSimpleName() + " toFileOut called");
String pathInfo = req.getPathInfo();
logger.debug("pathInfo {}", pathInfo);
try {
final String realPath = req.getServletContext().getRealPath(pathInfo);
logger.info("going to {}", pathInfo);
return new StreamingOutput() {
@Override
public void write(OutputStream os) throws IOException, WebApplicationException {
FileInputStream fileIS = null;
try {
fileIS = new FileInputStream(new File(realPath));
IOUtils.copy(new FileInputStream(new File(realPath)), os);
} catch (Exception e) {
try {
fileIS.close();
} catch (Exception e2) {
}
}
}
};
} catch (Exception e) {
if (!(e instanceof WebApplicationException)) {
// UNEXPECTED EXCEPTION managing it as WebApplicationException
String error = pathInfo + " 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;
}
}
}

0
src/main/webapp/pub/loading-gears.gif → src/main/webapp/img/loading-gears.gif
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