[Java] Remove use of FileOutputStream.

Author: mjpt777

sbe-samples/src/main/java/uk/co/real_logic/sbe/examples/ExampleUsingGeneratedStub.java

@@ -19,11 +19,15 @@
 import baseline.CarDecoder.PerformanceFiguresDecoder.AccelerationDecoder;
 import org.agrona.concurrent.UnsafeBuffer;
 
-import java.io.FileOutputStream;
 import java.io.UnsupportedEncodingException;
 import java.nio.ByteBuffer;
 import java.nio.channels.FileChannel;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Paths;
+
+import static java.nio.file.StandardOpenOption.CREATE;
+import static java.nio.file.StandardOpenOption.READ;
+import static java.nio.file.StandardOpenOption.WRITE;
 
 public class ExampleUsingGeneratedStub
 {
@@ -69,7 +73,7 @@ public static void main(final String[] args) throws Exception
         final String encodingFilename = System.getProperty(ENCODING_FILENAME);
         if (encodingFilename != null)
         {
-            try (FileChannel channel = new FileOutputStream(encodingFilename).getChannel())
+            try (FileChannel channel = FileChannel.open(Paths.get(encodingFilename), READ, WRITE, CREATE))
             {
                 byteBuffer.limit(encodingLengthPlusHeader);
                 channel.write(byteBuffer);

sbe-samples/src/main/java/uk/co/real_logic/sbe/examples/ExampleUsingGeneratedStubExtension.java

@@ -21,12 +21,15 @@
 import extension.MessageHeaderEncoder;
 import org.agrona.concurrent.UnsafeBuffer;
 
-import java.io.FileOutputStream;
 import java.io.UnsupportedEncodingException;
 import java.nio.ByteBuffer;
 import java.nio.channels.FileChannel;
+import java.nio.file.Paths;
 
 import static extension.CarEncoder.cupHolderCountNullValue;
+import static java.nio.file.StandardOpenOption.CREATE;
+import static java.nio.file.StandardOpenOption.READ;
+import static java.nio.file.StandardOpenOption.WRITE;
 
 public class ExampleUsingGeneratedStubExtension
 {
@@ -73,7 +76,7 @@ public static void main(final String[] args) throws Exception
         final String encodingFilename = System.getProperty(ENCODING_FILENAME);
         if (encodingFilename != null)
         {
-            try (FileChannel channel = new FileOutputStream(encodingFilename).getChannel())
+            try (FileChannel channel = FileChannel.open(Paths.get(encodingFilename), READ, WRITE, CREATE))
             {
                 byteBuffer.limit(encodingLengthPlusHeader);
                 channel.write(byteBuffer);

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/cpp/NamespaceOutputManager.java

@@ -19,6 +19,8 @@
 import org.agrona.Verify;
 
 import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 
 import static java.io.File.separatorChar;
 
@@ -66,6 +68,6 @@ public NamespaceOutputManager(final String baseDirectoryName, final String names
     public Writer createOutput(final String name) throws IOException
     {
         final File targetFile = new File(outputDir, name + ".h");
-        return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(targetFile), "UTF-8"));
+        return Files.newBufferedWriter(targetFile.toPath(), StandardCharsets.UTF_8);
     }
 }

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/golang/GolangOutputManager.java

@@ -19,6 +19,8 @@
 import org.agrona.Verify;
 
 import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 
 import static java.io.File.separatorChar;
 
@@ -34,7 +36,7 @@ public class GolangOutputManager implements OutputManager
      * Create a new {@link OutputManager} for generating golang source files into a given package.
      *
      * @param baseDirectoryName for the generated source code.
-     * @param namespaceName for the generated source code relative to the baseDirectoryName.
+     * @param namespaceName     for the generated source code relative to the baseDirectoryName.
      * @throws IOException if an error occurs during output
      */
     public GolangOutputManager(final String baseDirectoryName, final String namespaceName)
@@ -66,6 +68,7 @@ public GolangOutputManager(final String baseDirectoryName, final String namespac
     public Writer createOutput(final String name) throws IOException
     {
         final File targetFile = new File(outputDir, name + ".go");
-        return new BufferedWriter(new OutputStreamWriter(new FileOutputStream(targetFile), "UTF-8"));
+
+        return Files.newBufferedWriter(targetFile.toPath(), StandardCharsets.UTF_8);
     }
 }