Ensure PhysFSInputStream throws FileNotFoundException like SFSInputStream

Author: DavidGregory084

physfs_java/src/main/java/com/maddox/rts/PhysFSInputStream.java

@@ -1,14 +1,10 @@
 package com.maddox.rts;
 
 import java.io.File;
-import java.io.IOException;
+import java.io.FileNotFoundException;
 import java.io.InputStream;
-import java.sql.SQLException;
 import java.util.Arrays;
-import java.util.Locale;
 import java.util.Objects;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
 
 public class PhysFSInputStream extends InputStream {
 
@@ -17,21 +13,25 @@ public class PhysFSInputStream extends InputStream {
     private long fd;
     private final String fileName;
 
-    public PhysFSInputStream(String file) {
+    public PhysFSInputStream(String file) throws FileNotFoundException {
         this.fd = openRead(file);
         this.fileName = file;
         if (this.fd == 0) {
             var exc = new PhysFSException("while opening file " + file);
-            var stackTrace = Thread.currentThread().getStackTrace();
-            var stackTraceElems = Arrays.stream(stackTrace);
-            if (stackTraceElems.noneMatch(elem -> "com.maddox.rts.ObjIO".equals(elem.getClassName()))) {
-                PhysFS.logMissing(file);
+            if (exc.getCode() == PhysFS.ERR_NOT_FOUND) {
+                var stackTrace = Thread.currentThread().getStackTrace();
+                var stackTraceElems = Arrays.stream(stackTrace);
+                if (stackTraceElems.noneMatch(elem -> "com.maddox.rts.ObjIO".equals(elem.getClassName()))) {
+                    PhysFS.logMissing(file);
+                }
+                throw new FileNotFoundException(exc.getMessage());
+            } else {
+                throw exc;
             }
-            throw exc;
         }
     }
 
-    public PhysFSInputStream(File file) {
+    public PhysFSInputStream(File file) throws FileNotFoundException {
         this(file.getPath());
     }
 

physfs_java/src/main/java/com/maddox/rts/PhysFSLoader.java

@@ -1,10 +1,8 @@
 package com.maddox.rts;
 
 import java.io.ByteArrayOutputStream;
-import java.io.IOException;
 import java.net.MalformedURLException;
 import java.net.URL;
-import java.util.Enumeration;
 
 public class PhysFSLoader extends ClassLoader {
     private static PhysFSLoader loader = new PhysFSLoader();
@@ -57,7 +55,7 @@ protected Class<?> findClass(String name) throws ClassNotFoundException {
             } else {
                 throw new ClassNotFoundException(name);
             }
-        } catch (PhysFSException exc) {
+        } catch (Exception exc) {
             throw new ClassNotFoundException(name, exc);
         }
     }

physfs_java/src/main/java/com/maddox/rts/PhysFSReader.java

@@ -1,39 +1,40 @@
 package com.maddox.rts;
 
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.InputStreamReader;
 import java.io.UnsupportedEncodingException;
 
 public class PhysFSReader extends InputStreamReader {
-    public PhysFSReader(String file) {
+    public PhysFSReader(String file) throws FileNotFoundException {
         super(new PhysFSInputStream(file));
     }
 
-    public PhysFSReader(File file) {
+    public PhysFSReader(File file) throws FileNotFoundException {
         super(new PhysFSInputStream(file));
     }
 
-    public PhysFSReader(String file, String charset) throws UnsupportedEncodingException {
+    public PhysFSReader(String file, String charset) throws UnsupportedEncodingException, FileNotFoundException {
         super(new PhysFSInputStream(file), charset);
     }
 
-    public PhysFSReader(File file, String charset) throws UnsupportedEncodingException {
+    public PhysFSReader(File file, String charset) throws UnsupportedEncodingException, FileNotFoundException {
         super(new PhysFSInputStream(file), charset);
     }
 
-    public PhysFSReader(String var1, int[] var2)  {
+    public PhysFSReader(String var1, int[] var2) throws FileNotFoundException {
         super(new PhysFSInputStream(var1));
     }
 
-    public PhysFSReader(File var1, int[] var2) {
+    public PhysFSReader(File var1, int[] var2) throws FileNotFoundException {
         super(new PhysFSInputStream(var1));
     }
 
-    public PhysFSReader(String var1, String var2, int[] var3) throws UnsupportedEncodingException {
+    public PhysFSReader(String var1, String var2, int[] var3) throws UnsupportedEncodingException, FileNotFoundException {
         super(new PhysFSInputStream(var1), var2);
     }
 
-    public PhysFSReader(File var1, String var2, int[] var3) throws UnsupportedEncodingException {
+    public PhysFSReader(File var1, String var2, int[] var3) throws UnsupportedEncodingException, FileNotFoundException {
         super(new PhysFSInputStream(var1), var2);
     }
 

physfs_java/src/main/java/com/maddox/rts/PhysFSURLConnection.java

@@ -23,7 +23,7 @@ public int getContentLength() {
         if (len > Integer.MAX_VALUE)
             return -1;
         else
-            return (int)len;
+            return (int) len;
     }
 
     @Override

physfs_java/src/test/java/com/maddox/rts/PhysFSTests.java

@@ -95,7 +95,7 @@ void redirectsSfsMountToZip() {
     @Test
     void inputStreamOpenUnmountedFile() {
         assertThrows(
-                PhysFSException.class,
+                FileNotFoundException.class,
                 () -> new PhysFSInputStream("test2.ini"),
                 "Attempting to open a file from an unmounted archive didn't throw an exception");
     }
@@ -112,7 +112,7 @@ void inputStreamTell() throws IOException {
     }
 
     @Test
-    void inputStreamSeek() {
+    void inputStreamSeek() throws FileNotFoundException {
         long expectedPosition = -1;
         long actualPosition = -1;
 
@@ -127,7 +127,7 @@ void inputStreamSeek() {
     }
 
     @Test
-    void inputStreamSeekEof() {
+    void inputStreamSeekEof() throws FileNotFoundException {
         long seekPosition = -1;
         long fileLength = 0;
 
@@ -141,7 +141,7 @@ void inputStreamSeekEof() {
     }
 
     @Test
-    void inputStreamSeekAfterEof() {
+    void inputStreamSeekAfterEof() throws FileNotFoundException {
         try (PhysFSInputStream is = new PhysFSInputStream("test.ini")) {
             assertThrows(
                     PhysFSException.class,
@@ -151,7 +151,7 @@ void inputStreamSeekAfterEof() {
     }
 
     @Test
-    void inputStreamEndOfFile() {
+    void inputStreamEndOfFile() throws FileNotFoundException {
         try (PhysFSInputStream is = new PhysFSInputStream("test.ini")) {
             is.seek(is.fileLength());
             assertTrue(is.endOfFile(), "End of file condition was not set when seeking to end of file");