Difference between url and uri bael 864 hariprasad (#1987)

* Commit URUURLJNDIFS added.

* URI URL REST commit.

* Revert "URI URL REST commit."

This reverts commit d9e26399be1f3a26d871cd0600036e3a4558cde2.

* Difference URI URL REST BAEL-864.

* Commit Difference URI URL REST #864, small changes.

* Difference URI URL REST project has been moved to spring-rest.

* BAEL-864. Deleted unused project and did one small change.

core-java/src/main/java/com/baeldung/filesystem/jndi/LookupFSJNDI.java

@@ -0,0 +1,43 @@
+package com.baeldung.filesystem.jndi;
+
+import java.io.File;
+import java.util.Hashtable;
+
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+public class LookupFSJNDI {
+    InitialContext ctx = null;
+
+    public LookupFSJNDI() throws NamingException {
+        super();
+        init();
+    }
+    
+    private void init() throws NamingException {
+        Hashtable<String, String> env = new Hashtable<String, String>();
+        
+        env.put (Context.INITIAL_CONTEXT_FACTORY,
+          "com.sun.jndi.fscontext.RefFSContextFactory");
+        // URI to namespace (actual directory)
+        env.put(Context.PROVIDER_URL, "file:./src/test/resources");
+        
+        ctx = new InitialContext(env);
+    }
+
+    public InitialContext getCtx() {
+        return ctx;
+    }
+    
+    public File getFile(String fileName) {
+        File file;
+        try {
+            file = (File)getCtx().lookup(fileName);
+        } catch (NamingException e) {
+            file = null;
+        }
+        return file;
+    }
+
+}

core-java/src/test/java/com/baeldung/filesystem/jndi/test/LookupFSJNDITest.java

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+package com.baeldung.filesystem.jndi.test;
+
+import static org.junit.Assert.assertNotNull;
+
+import java.io.File;
+
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+import org.junit.Test;
+
+import com.baeldung.filesystem.jndi.LookupFSJNDI;
+
+public class LookupFSJNDITest {
+    LookupFSJNDI fsjndi;
+    File file;
+    InitialContext ctx = null;
+    final String FILENAME = "test.find";
+
+    public LookupFSJNDITest() {
+        try {
+            fsjndi = new LookupFSJNDI();
+        } catch (NamingException e) {
+            fsjndi = null;
+        }
+    }
+
+    @Test
+    public void whenInitializationLookupFSJNDIIsNotNull_thenSuccess() {
+        assertNotNull("Class LookupFSJNDI has instance", fsjndi);
+    }
+
+    @Test
+    public void givenLookupFSJNDI_whengetInitialContextIsNotNull_thenSuccess() {
+        ctx = fsjndi.getCtx();
+        assertNotNull("Context exists", ctx);
+    }
+
+    @Test
+    public void givenInitialContext_whenLokupFileExists_thenSuccess() {
+            File file = fsjndi.getFile(FILENAME);
+         assertNotNull("File exists", file);
+    }
+}

core-java/src/test/resources/test.find

@@ -0,0 +1 @@
+Test of JNDI on file.