Implemented file:// protocol for image fetching

WebGde/WebContent/config.js

@@ -60,3 +60,8 @@ var REASON_LIST = "Reason1,Reason2,Reason3,Reason4"
 
 //KEYCLOAK CONFIG
 const REDIRECT_URL = 'http://auth-server/auth/realms/GFS/protocol/openid-connect/logout?redirect_uri=encodedRedirectUri';
+
+//Temporary variables for dev
+var LOCAL_DOMAIN = "http://localhost:8080"
+var LOCAL_FETCH_URL = LOCAL_DOMAIN + "/WebGde/svc/gfs-rest/fetch-local"
+var LOCAL_FETCH_TEST_URL = "http://localhost:8080/Sample_API/testservice/file"

WebGde/WebContent/src/accessFile/accessFile.js

@@ -114,6 +114,21 @@ async function accessFile() {
             if (img != null ? img.startsWith("http") : false) {
                 response = await fetch(img);
                 gfsFileName = getGfsFileName(response.headers.get("content-disposition"));
+            } else if (img != null ? img.startsWith("file") : false){
+                console.log('file');
+                const payload = {
+                    dir: img
+                };
+                
+                response = await fetch(`${GFS_URL}/fetch-local`, {
+                    method: 'POST',
+                    headers: {
+                      'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify(payload)
+                })
+                gfsFileName = getGfsFileName(response.headers.get("content-disposition"));
+                
             } else {
                 let formData = new FormData();
                 formData.append("data", JSON.stringify({

WebGde/src/main/java/com/svi/webgde/restservice/object/Request.java

+package com.svi.webgde.restservice.object;
+
+public class Request {
+	private String dir;
+
+    public String getDir() {
+        return dir;
+    }
+
+    public void setDir(String dir) {
+        this.dir = dir;
+    }
+}

WebGde/src/main/java/com/svi/webgde/restservice/services/GDEWebServices.java

@@ -32,6 +32,7 @@ import org.json.simple.JSONArray;
 import com.opencsv.CSVReader;
 import com.opencsv.CSVWriter;
 import com.svi.template.restservice.globals.AppConfig;
+import com.svi.training.services.Request;
 import com.svi.webgde.restservice.object.XMLContents;
 import com.svi.webgde.restservice.utils.XMLUtil;
 
@@ -98,7 +99,7 @@ public class GDEWebServices {
 
 		return Response.ok(json.toString()).build();
 	}
-	
+
 	@POST
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
@@ -224,7 +225,7 @@ public class GDEWebServices {
 		}
 		return Response.ok("Success").build();
 	}
-	
+
 	@POST
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
@@ -235,20 +236,20 @@ public class GDEWebServices {
 		} catch (Exception e) {
 			return Response.status(500).entity("Fail").build();
 		}
-		
+
 	}
-	
+
 	@POST
 	@Consumes(MediaType.APPLICATION_JSON)
 	@Produces(MediaType.APPLICATION_JSON)
 	@Path("/update-exception")
 	public Response updateException(XMLContents xml) {
-		
+
 		try {
 			File file = new File(xml.getOutputDir());
-			if(file.exists()) {
+			if (file.exists()) {
 				XMLUtil.updateExceptionRmrk(xml);
-			}else {
+			} else {
 				XMLUtil.generateXML(xml);
 			}
 
@@ -260,5 +261,23 @@ public class GDEWebServices {
 		return Response.ok("Success").build();
 	}
 	
+	@POST
+	@Path("/fetch-local")
+	@Consumes(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.APPLICATION_OCTET_STREAM)
+	public Response getFile(Request request) {
+	    // extract file path from file:// URL format
+		String filePath = request.getDir().substring("file://".length());
+
+	    // read file from local file system
+	    File file = new File(filePath);
+	    if (!file.exists()) {
+	        return Response.status(Response.Status.NOT_FOUND).build();
+	    }
 
+	    // return file contents in blob format with filename in content-disposition header
+	    ResponseBuilder response = Response.ok(file);
+	    response.header("content-disposition", "attachment; filename = " + file.getName());
+	    return response.build();
+	}
 }