8274893: Update java.desktop classes to use try-with-resources

jdk/src/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java

@@ -59,6 +59,7 @@
 import com.sun.imageio.plugins.common.SubImageInputStream;
 import java.io.ByteArrayOutputStream;
 import sun.awt.image.ByteInterleavedRaster;
+import sun.misc.IOUtils;
 
 class PNGImageDataEnumeration implements Enumeration<InputStream> {
 
@@ -620,18 +621,9 @@ private void parse_tRNS_chunk(int chunkLength) throws IOException {
 
     private static byte[] inflate(byte[] b) throws IOException {
         InputStream bais = new ByteArrayInputStream(b);
-        InputStream iis = new InflaterInputStream(bais);
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-
-        int c;
-        try {
-            while ((c = iis.read()) != -1) {
-                baos.write(c);
-            }
-        } finally {
-            iis.close();
+        try (InputStream iis = new InflaterInputStream(bais)) {
+            return IOUtils.readAllBytes(iis);
         }
-        return baos.toByteArray();
     }
 
     private void parse_zTXt_chunk(int chunkLength) throws IOException {

jdk/src/share/classes/com/sun/java/swing/plaf/gtk/Metacity.java

@@ -531,14 +531,16 @@ public Object run() {
                     URL url = new URL(new File(userHome).toURI().toURL(),
                                       ".gconf/apps/metacity/general/%25gconf.xml");
                     // Pending: verify character encoding spec for gconf
-                    Reader reader = new InputStreamReader(url.openStream(), "ISO-8859-1");
-                    char[] buf = new char[1024];
                     StringBuffer strBuf = new StringBuffer();
-                    int n;
-                    while ((n = reader.read(buf)) >= 0) {
-                        strBuf.append(buf, 0, n);
+                    try (InputStream in = url.openStream();
+                         Reader reader = new InputStreamReader(in, "ISO-8859-1"))
+                    {
+                        char[] buf = new char[1024];
+                        int n;
+                        while ((n = reader.read(buf)) >= 0) {
+                            strBuf.append(buf, 0, n);
+                        }
                     }
-                    reader.close();
                     String str = strBuf.toString();
                     if (str != null) {
                         String strLowerCase = str.toLowerCase();

jdk/src/share/classes/com/sun/media/sound/AudioFileSoundbankReader.java

@@ -47,10 +47,8 @@ public final class AudioFileSoundbankReader extends SoundbankReader {
 
     public Soundbank getSoundbank(URL url)
             throws InvalidMidiDataException, IOException {
-        try {
-            AudioInputStream ais = AudioSystem.getAudioInputStream(url);
+        try (AudioInputStream ais = AudioSystem.getAudioInputStream(url)) {
             Soundbank sbk = getSoundbank(ais);
-            ais.close();
             return sbk;
         } catch (UnsupportedAudioFileException e) {
             return null;

jdk/src/share/classes/com/sun/media/sound/DLSSoundbank.java

@@ -186,22 +186,16 @@ public DLSSoundbank() {
     }
 
     public DLSSoundbank(URL url) throws IOException {
-        InputStream is = url.openStream();
-        try {
+        try (InputStream is = url.openStream()) {
             readSoundbank(is);
-        } finally {
-            is.close();
         }
     }
 
     public DLSSoundbank(File file) throws IOException {
         largeFormat = true;
         sampleFile = file;
-        InputStream is = new FileInputStream(file);
-        try {
+        try (InputStream is = new FileInputStream(file)) {
             readSoundbank(is);
-        } finally {
-            is.close();
         }
     }
 
@@ -870,15 +864,21 @@ private void readWaveInfoChunk(DLSSample dlssample, RIFFReader riff)
     }
 
     public void save(String name) throws IOException {
-        writeSoundbank(new RIFFWriter(name, "DLS "));
+        try (RIFFWriter writer = new RIFFWriter(name, "DLS ")) {
+            writeSoundbank(writer);
+        }
     }
 
     public void save(File file) throws IOException {
-        writeSoundbank(new RIFFWriter(file, "DLS "));
+        try (RIFFWriter writer = new RIFFWriter(file, "DLS ")) {
+            writeSoundbank(writer);
+        }
     }
 
     public void save(OutputStream out) throws IOException {
-        writeSoundbank(new RIFFWriter(out, "DLS "));
+        try (RIFFWriter writer = new RIFFWriter(out, "DLS ")) {
+            writeSoundbank(writer);
+        }
     }
 
     private void writeSoundbank(RIFFWriter writer) throws IOException {
@@ -918,8 +918,6 @@ private void writeSoundbank(RIFFWriter writer) throws IOException {
         writer.seek(bak);
 
         writeInfo(writer.writeList("INFO"), info);
-
-        writer.close();
     }
 
     private void writeSample(RIFFWriter writer, DLSSample sample)

jdk/src/share/classes/com/sun/media/sound/JARSoundbankReader.java

@@ -61,8 +61,7 @@ public final class JARSoundbankReader extends SoundbankReader {
     private static boolean isZIP(URL url) {
         boolean ok = false;
         try {
-            InputStream stream = url.openStream();
-            try {
+            try (InputStream stream = url.openStream()) {
                 byte[] buff = new byte[4];
                 ok = stream.read(buff) == 4;
                 if (ok) {
@@ -71,8 +70,6 @@ private static boolean isZIP(URL url) {
                         && buff[2] == 0x03
                         && buff[3] == 0x04);
                 }
-            } finally {
-                stream.close();
             }
         } catch (IOException e) {
         }
@@ -91,8 +88,7 @@ public Soundbank getSoundbank(URL url)
                 "META-INF/services/javax.sound.midi.Soundbank");
         if (stream == null)
             return null;
-        try
-        {
+        try {
             BufferedReader r = new BufferedReader(new InputStreamReader(stream));
             String line = r.readLine();
             while (line != null) {
@@ -110,9 +106,7 @@ public Soundbank getSoundbank(URL url)
                 }
                 line = r.readLine();
             }
-        }
-        finally
-        {
+        } finally {
             stream.close();
         }
         if (soundbanks.size() == 0)

jdk/src/share/classes/com/sun/media/sound/ModelByteBuffer.java

@@ -309,11 +309,13 @@ public void load() throws IOException {
                     "No file associated with this ByteBuffer!");
         }
 
-        DataInputStream is = new DataInputStream(getInputStream());
-        buffer = new byte[(int) capacity()];
-        offset = 0;
-        is.readFully(buffer);
-        is.close();
+        try (InputStream is = getInputStream();
+             DataInputStream dis = new DataInputStream(is))
+        {
+            buffer = new byte[(int) capacity()];
+            offset = 0;
+            dis.readFully(buffer);
+        }
 
     }
 

jdk/src/share/classes/com/sun/media/sound/ModelByteBufferWavetable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -172,18 +172,12 @@ public AudioFormat getFormat() {
         if (format == null) {
             if (buffer == null)
                 return null;
-            InputStream is = buffer.getInputStream();
             AudioFormat format = null;
-            try {
+            try (InputStream is = buffer.getInputStream()) {
                 format = AudioSystem.getAudioFileFormat(is).getFormat();
             } catch (Exception e) {
                 //e.printStackTrace();
             }
-            try {
-                is.close();
-            } catch (IOException e) {
-                //e.printStackTrace();
-            }
             return format;
         }
         return format;

jdk/src/share/classes/com/sun/media/sound/SF2Soundbank.java

@@ -89,23 +89,16 @@ public SF2Soundbank() {
     }
 
     public SF2Soundbank(URL url) throws IOException {
-
-        InputStream is = url.openStream();
-        try {
+        try (InputStream is = url.openStream()) {
             readSoundbank(is);
-        } finally {
-            is.close();
         }
     }
 
     public SF2Soundbank(File file) throws IOException {
         largeFormat = true;
         sampleFile = file;
-        InputStream is = new FileInputStream(file);
-        try {
+        try (InputStream is = new FileInputStream(file)) {
             readSoundbank(is);
-        } finally {
-            is.close();
         }
     }
 
@@ -522,22 +515,27 @@ private void readPdtaChunk(RIFFReader riff) throws IOException {
     }
 
     public void save(String name) throws IOException {
-        writeSoundbank(new RIFFWriter(name, "sfbk"));
+        try (RIFFWriter writer = new RIFFWriter(name, "sfbk")) {
+            writeSoundbank(writer);
+        }
     }
 
     public void save(File file) throws IOException {
-        writeSoundbank(new RIFFWriter(file, "sfbk"));
+        try (RIFFWriter writer = new RIFFWriter(file, "sfbk")) {
+            writeSoundbank(writer);
+        }
     }
 
     public void save(OutputStream out) throws IOException {
-        writeSoundbank(new RIFFWriter(out, "sfbk"));
+        try (RIFFWriter writer = new RIFFWriter(out, "sfbk")) {
+            writeSoundbank(writer);
+        }
     }
 
     private void writeSoundbank(RIFFWriter writer) throws IOException {
         writeInfo(writer.writeList("INFO"));
         writeSdtaChunk(writer.writeList("sdta"));
         writePdtaChunk(writer.writeList("pdta"));
-        writer.close();
     }
 
     private void writeInfoStringChunk(RIFFWriter writer, String name,

jdk/src/share/classes/com/sun/media/sound/SoftSynthesizer.java

@@ -787,8 +787,12 @@ public InputStream run() {
                 if (out != null) {
                     try {
                         ((SF2Soundbank) defaultSoundBank).save(out);
-                        out.close();
                     } catch (final IOException ignored) {
+                    } finally {
+                        try {
+                            out.close();
+                        } catch (final IOException ignored) {
+                        }
                     }
                 }
             }

jdk/src/share/classes/com/sun/media/sound/StandardMidiFileReader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2021, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -145,34 +145,27 @@ private MidiFileFormat getMidiFileFormatFromStream(InputStream stream,
 
 
     public MidiFileFormat getMidiFileFormat(URL url) throws InvalidMidiDataException, IOException {
-        InputStream urlStream = url.openStream(); // throws IOException
-        BufferedInputStream bis = new BufferedInputStream( urlStream, bisBufferSize );
-        MidiFileFormat fileFormat = null;
-        try {
-            fileFormat = getMidiFileFormat( bis ); // throws InvalidMidiDataException
-        } finally {
-            bis.close();
+        try (InputStream urlStream = url.openStream(); // throws IOException
+             BufferedInputStream bis = new BufferedInputStream(urlStream, bisBufferSize))
+        {
+            MidiFileFormat fileFormat = getMidiFileFormat(bis); // throws InvalidMidiDataException
+            return fileFormat;
         }
-        return fileFormat;
     }
 
 
     public MidiFileFormat getMidiFileFormat(File file) throws InvalidMidiDataException, IOException {
-        FileInputStream fis = new FileInputStream(file); // throws IOException
-        BufferedInputStream bis = new BufferedInputStream(fis, bisBufferSize);
-
-        // $$fb 2002-04-17: part of fix for 4635286: MidiSystem.getMidiFileFormat() returns format having invalid length
-        long length = file.length();
-        if (length > Integer.MAX_VALUE) {
-            length = MidiFileFormat.UNKNOWN_LENGTH;
-        }
-        MidiFileFormat fileFormat = null;
-        try {
-            fileFormat = getMidiFileFormatFromStream(bis, (int) length, null);
-        } finally {
-            bis.close();
+        try (FileInputStream fis = new FileInputStream(file); // throws IOException
+             BufferedInputStream bis = new BufferedInputStream(fis, bisBufferSize))
+        {
+            // $$fb 2002-04-17: part of fix for 4635286: MidiSystem.getMidiFileFormat() returns format having invalid length
+            long length = file.length();
+            if (length > Integer.MAX_VALUE) {
+                length = MidiFileFormat.UNKNOWN_LENGTH;
+            }
+            MidiFileFormat fileFormat = getMidiFileFormatFromStream(bis, (int) length, null);
+            return fileFormat;
         }
-        return fileFormat;
     }
 
 
@@ -204,28 +197,22 @@ public Sequence getSequence(InputStream stream) throws InvalidMidiDataException,
 
 
     public Sequence getSequence(URL url) throws InvalidMidiDataException, IOException {
-        InputStream is = url.openStream();  // throws IOException
-        is = new BufferedInputStream(is, bisBufferSize);
-        Sequence seq = null;
-        try {
-            seq = getSequence(is);
-        } finally {
-            is.close();
+        try (InputStream is = url.openStream(); // throws IOException
+             BufferedInputStream bis = new BufferedInputStream(is, bisBufferSize))
+        {
+            Sequence seq = getSequence(bis);
+            return seq;
         }
-        return seq;
     }
 
 
     public Sequence getSequence(File file) throws InvalidMidiDataException, IOException {
-        InputStream is = new FileInputStream(file); // throws IOException
-        is = new BufferedInputStream(is, bisBufferSize);
-        Sequence seq = null;
-        try {
-            seq = getSequence(is);
-        } finally {
-            is.close();
+        try (InputStream is = new FileInputStream(file); // throws IOException
+             BufferedInputStream bis = new BufferedInputStream(is, bisBufferSize))
+        {
+            Sequence seq = getSequence(bis);
+            return seq;
         }
-        return seq;
     }
 }
 

jdk/src/share/classes/com/sun/media/sound/StandardMidiFileWriter.java

@@ -149,10 +149,10 @@ public int write(Sequence in, int type, OutputStream out) throws IOException {
     }
 
     public int write(Sequence in, int type, File out) throws IOException {
-        FileOutputStream fos = new FileOutputStream(out); // throws IOException
-        int bytesWritten = write( in, type, fos );
-        fos.close();
-        return bytesWritten;
+        try (FileOutputStream fos = new FileOutputStream(out)) { // throws IOException
+            int bytesWritten = write(in, type, fos);
+            return bytesWritten;
+        }
     }
 
     //=================================================================================