Fix DM_DEFAULT_ENCODING SpotBugs violations

cli/src/main/java/hudson/cli/CLIConnectionFactory.java

@@ -1,5 +1,6 @@
 package hudson.cli;
 
+import java.nio.charset.StandardCharsets;
 import java.util.Base64;
 
 /**
@@ -33,7 +34,7 @@ public CLIConnectionFactory basicAuth(String username, String password) {
      * Cf. {@code BasicHeaderApiTokenAuthenticator}.
      */
     public CLIConnectionFactory basicAuth(String userInfo) {
-        return authorization("Basic " + Base64.getEncoder().encodeToString(userInfo.getBytes()));
+        return authorization("Basic " + Base64.getEncoder().encodeToString(userInfo.getBytes(StandardCharsets.UTF_8)));
     }
 
     /**

cli/src/main/java/hudson/cli/PrivateKeyProvider.java

@@ -23,7 +23,6 @@
  */
 package hudson.cli;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
 import static java.util.logging.Level.FINE;
 
 import java.io.ByteArrayInputStream;
@@ -32,6 +31,7 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
 import java.nio.file.Paths;
@@ -134,7 +134,7 @@ private static String readPemFile(File f) throws IOException{
              DataInputStream dis = new DataInputStream(is)) {
             byte[] bytes = new byte[(int) f.length()];
             dis.readFully(bytes);
-            return new String(bytes);
+            return new String(bytes, StandardCharsets.UTF_8);
         } catch (InvalidPathException e) {
             throw new IOException(e);
         }
@@ -143,7 +143,7 @@ private static String readPemFile(File f) throws IOException{
     public static KeyPair loadKey(String pemString, String passwd) throws IOException, GeneralSecurityException {
         Iterable<KeyPair> itr = SecurityUtils.loadKeyPairIdentities(null,
                 new PathResource(Paths.get("key")),
-                new ByteArrayInputStream(pemString.getBytes(UTF_8)),
+                new ByteArrayInputStream(pemString.getBytes(StandardCharsets.UTF_8)),
                 FilePasswordProvider.of(passwd));
         long numLoaded = itr == null ? 0 : StreamSupport.stream(itr.spliterator(), false).count();
         if (numLoaded <= 0) {

core/src/main/java/hudson/FilePath.java

@@ -86,6 +86,7 @@
 import java.net.URI;
 import java.net.URL;
 import java.net.URLConnection;
+import java.nio.charset.Charset;
 import java.nio.file.FileSystemException;
 import java.nio.file.FileSystems;
 import java.nio.file.Files;
@@ -2279,7 +2280,7 @@ private static class ReadToString extends MasterToSlaveFileCallable<String> {
         private static final long serialVersionUID = 1L;       
         @Override
         public String invoke(File f, VirtualChannel channel) throws IOException, InterruptedException {
-            return new String(Files.readAllBytes(fileToPath(f)));
+            return new String(Files.readAllBytes(fileToPath(f)), Charset.defaultCharset());
         }
     }
 
@@ -2336,7 +2337,7 @@ private static class Write extends MasterToSlaveFileCallable<Void> {
         public Void invoke(File f, VirtualChannel channel) throws IOException {
             mkdirs(f.getParentFile());
             try (OutputStream fos = Files.newOutputStream(fileToPath(f));
-                    Writer w = encoding != null ? new OutputStreamWriter(fos, encoding) : new OutputStreamWriter(fos)) {
+                    Writer w = encoding != null ? new OutputStreamWriter(fos, encoding) : new OutputStreamWriter(fos, Charset.defaultCharset())) {
                 w.write(content);
             }
             return null;
@@ -3611,5 +3612,4 @@ public boolean accept(File file) {
         }
         private static final long serialVersionUID = 1L;
     }
-
 }

core/src/main/java/hudson/Proc.java

@@ -39,6 +39,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.nio.charset.Charset;
 import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.CancellationException;
@@ -354,7 +355,7 @@ public int join() throws InterruptedException, IOException {
 //                    } catch (IOException x) {
 //                        LOGGER.log(Level.FINE,"stderr termination failed",x);
 //                    }
-                    out.write(msg.getBytes());
+                    out.write(msg.getBytes(Charset.defaultCharset()));
                     out.write('\n');
                 }
                 return r;

core/src/main/java/hudson/WebAppMain.java

@@ -50,6 +50,7 @@
 import java.io.OutputStream;
 import java.net.URL;
 import java.net.URLClassLoader;
+import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
 import java.nio.file.StandardOpenOption;
@@ -293,7 +294,7 @@ public void joinInit() throws InterruptedException {
      */
     private void recordBootAttempt(File home) {
         try (OutputStream o=Files.newOutputStream(BootFailure.getBootFailureFile(home).toPath(), StandardOpenOption.CREATE, StandardOpenOption.APPEND)) {
-            o.write((new Date() + System.getProperty("line.separator", "\n")).getBytes());
+            o.write((new Date() + System.getProperty("line.separator", "\n")).getBytes(Charset.defaultCharset()));
         } catch (IOException | InvalidPathException e) {
             LOGGER.log(WARNING, "Failed to record boot attempts",e);
         }

core/src/main/java/hudson/cli/CLICommand.java

@@ -40,6 +40,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintStream;
+import java.io.UnsupportedEncodingException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Type;
 import java.nio.charset.Charset;
@@ -404,7 +405,11 @@ protected void printUsage(PrintStream stderr, CmdLineParser p) {
     public final String getSingleLineSummary() {
         ByteArrayOutputStream out = new ByteArrayOutputStream();
         getCmdLineParser().printSingleLineUsage(out);
-        return out.toString();
+        try {
+            return out.toString(getClientCharset().name());
+        } catch (UnsupportedEncodingException e) {
+            throw new AssertionError(e);
+        }
     }
 
     /**
@@ -414,7 +419,11 @@ public final String getSingleLineSummary() {
     public final String getUsage() {
         ByteArrayOutputStream out = new ByteArrayOutputStream();
         getCmdLineParser().printUsage(out);
-        return out.toString();
+        try {
+            return out.toString(getClientCharset().name());
+        } catch (UnsupportedEncodingException e) {
+            throw new AssertionError(e);
+        }
     }
 
     /**
@@ -427,7 +436,11 @@ public final String getLongDescription() {
 
         printUsageSummary(ps);
         ps.close();
-        return out.toString();
+        try {
+            return out.toString(getClientCharset().name());
+        } catch (UnsupportedEncodingException e) {
+            throw new AssertionError(e);
+        }
     }
 
     /**
@@ -457,7 +470,7 @@ public void setClientCharset(@NonNull Charset encoding) {
         this.encoding = encoding;
     }
 
-    protected @NonNull Charset getClientCharset() throws IOException, InterruptedException {
+    protected @NonNull Charset getClientCharset() {
         if (encoding != null) {
             return encoding;
         }

core/src/main/java/hudson/console/AnnotatedLargeText.java

@@ -186,7 +186,7 @@ public long writeHtmlTo(long start, Writer w) throws IOException {
         oos.close();
         StaplerResponse rsp = Stapler.getCurrentResponse();
         if (rsp!=null)
-            rsp.setHeader("X-ConsoleAnnotator", new String(Base64.getEncoder().encode(baos.toByteArray())));
+            rsp.setHeader("X-ConsoleAnnotator", Base64.getEncoder().encodeToString(baos.toByteArray()));
         return r;
     }
 

core/src/main/java/hudson/console/ConsoleAnnotationOutputStream.java

@@ -121,7 +121,7 @@ public ConsoleAnnotator<T> annotate(T context, MarkupText text) {
                     }
                 } catch (IOException | ClassNotFoundException e) {
                     // if we failed to resurrect an annotation, ignore it.
-                    LOGGER.log(Level.FINE, "Failed to resurrect annotation from \"" + StringEscapeUtils.escapeJava(new String(in, next, rest)) + "\"", e);
+                    LOGGER.log(Level.FINE, "Failed to resurrect annotation from \"" + StringEscapeUtils.escapeJava(new String(in, next, rest, Charset.defaultCharset())) + "\"", e);
                 }
 
                 int bytesUsed = rest - b.available(); // bytes consumed by annotations

core/src/main/java/hudson/console/ConsoleNote.java

@@ -43,6 +43,7 @@
 import java.io.OutputStream;
 import java.io.Serializable;
 import java.io.Writer;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Base64;
@@ -326,12 +327,12 @@ public static void skip(DataInputStream in) throws IOException {
      * plus a few magic characters.
      */
     @SuppressFBWarnings(value = "MS_PKGPROTECT", justification = "used in several plugins")
-    public static final byte[] PREAMBLE = PREAMBLE_STR.getBytes();
+    public static final byte[] PREAMBLE = PREAMBLE_STR.getBytes(StandardCharsets.UTF_8);
     /**
      * Post amble is the ANSI escape sequence that brings back the echo.
      */
     @SuppressFBWarnings(value = "MS_PKGPROTECT", justification = "used in several plugins")
-    public static final byte[] POSTAMBLE = POSTAMBLE_STR.getBytes();
+    public static final byte[] POSTAMBLE = POSTAMBLE_STR.getBytes(StandardCharsets.UTF_8);
 
     /**
      * Locates the preamble in the given buffer.

core/src/main/java/hudson/model/AbstractBuild.java

@@ -65,6 +65,7 @@
 import java.io.IOException;
 import java.io.InterruptedIOException;
 import java.lang.ref.WeakReference;
+import java.nio.channels.ClosedByInterruptException;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Collection;
@@ -668,7 +669,7 @@ public void defaultCheckout() throws IOException, InterruptedException {
                     }
                 } catch (AbortException e) {
                     listener.error(e.getMessage());
-                } catch (InterruptedIOException e) {
+                } catch (ClosedByInterruptException | InterruptedIOException e) {
                     throw (InterruptedException)new InterruptedException().initCause(e);
                 } catch (IOException e) {
                     // checkout error not yet reported

core/src/main/java/hudson/model/FileParameterValue.java

@@ -36,6 +36,7 @@
 import java.io.OutputStream;
 import java.io.UncheckedIOException;
 import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.util.regex.Pattern;
 import jenkins.util.SystemProperties;
@@ -302,7 +303,7 @@ public String getString(String encoding) throws UnsupportedEncodingException {
 
         @Override
         public String getString() {
-            return new String(get());
+            return new String(get(), Charset.defaultCharset());
         }
 
         @Override

core/src/main/java/hudson/model/Run.java

@@ -1509,11 +1509,11 @@ public Collection<Fingerprint> getBuildFingerprints() {
     	}
 
         String message = "No such file: " + logFile;
-    	return new ByteArrayInputStream(charset != null ? message.getBytes(charset) : message.getBytes());
+    	return new ByteArrayInputStream(charset != null ? message.getBytes(charset) : message.getBytes(Charset.defaultCharset()));
     }
 
     public @NonNull Reader getLogReader() throws IOException {
-        if (charset==null)  return new InputStreamReader(getLogInputStream());
+        if (charset==null)  return new InputStreamReader(getLogInputStream(),Charset.defaultCharset());
         else                return new InputStreamReader(getLogInputStream(),charset);
     }
 

core/src/main/java/hudson/model/UpdateCenter.java

@@ -68,6 +68,7 @@
 import java.net.URL;
 import java.net.URLConnection;
 import java.net.UnknownHostException;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.AtomicMoveNotSupportedException;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
@@ -2025,11 +2026,11 @@ private static VerificationResult verifyChecksums(String expectedDigest, String
         }
 
         if (caseSensitive) {
-            if (MessageDigest.isEqual(expectedDigest.getBytes(), actualDigest.getBytes())) {
+            if (MessageDigest.isEqual(expectedDigest.getBytes(StandardCharsets.US_ASCII), actualDigest.getBytes(StandardCharsets.US_ASCII))) {
                 return VerificationResult.PASS;
             }
         } else {
-            if (MessageDigest.isEqual(expectedDigest.toLowerCase().getBytes(), actualDigest.toLowerCase().getBytes())) {
+            if (MessageDigest.isEqual(expectedDigest.toLowerCase().getBytes(StandardCharsets.US_ASCII), actualDigest.toLowerCase().getBytes(StandardCharsets.US_ASCII))) {
                 return VerificationResult.PASS;
             }
         }

core/src/main/java/hudson/model/UsageStatistics.java

@@ -193,7 +193,7 @@ public String getStatData() throws IOException {
                 o.write(w);
             }
 
-            return new String(Base64.getEncoder().encode(baos.toByteArray()));
+            return Base64.getEncoder().encodeToString(baos.toByteArray());
         } catch (Throwable e) { // the exception could be GeneralSecurityException, InvalidParameterException or any other depending on the security provider you have installed
             LOG.log(Level.INFO, "Usage statistics could not be sent ({0})", e.getMessage());
             LOG.log(Level.FINE, "Error sending usage statistics", e);

core/src/main/java/hudson/scm/SCM.java

@@ -52,8 +52,10 @@
 import hudson.security.PermissionScope;
 import hudson.tasks.Builder;
 import java.io.File;
-import java.io.FileWriter;
 import java.io.IOException;
+import java.io.Writer;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -739,7 +741,7 @@ protected final boolean createEmptyChangeLog(File changelogFile, BuildListener l
      * @since 1.568
      */
     protected final void createEmptyChangeLog(@NonNull File changelogFile, @NonNull TaskListener listener, @NonNull String rootTag) throws IOException {
-        try (FileWriter w = new FileWriter(changelogFile)) {
+        try (Writer w = Files.newBufferedWriter(Util.fileToPath(changelogFile), Charset.defaultCharset())) {
             w.write("<"+rootTag +"/>");
         }
     }

core/src/main/java/hudson/security/HudsonAuthenticationEntryPoint.java

@@ -31,6 +31,7 @@
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.text.MessageFormat;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServletRequest;
@@ -100,7 +101,7 @@ public void commence(HttpServletRequest req, HttpServletResponse rsp, Authentica
 
             PrintWriter out;
             try {
-                out = new PrintWriter(new OutputStreamWriter(rsp.getOutputStream()));
+                out = new PrintWriter(new OutputStreamWriter(rsp.getOutputStream(), StandardCharsets.UTF_8));
             } catch (IllegalStateException e) {
                 out = rsp.getWriter();
             }

core/src/main/java/hudson/security/csrf/DefaultCrumbIssuer.java

@@ -83,8 +83,8 @@ protected synchronized String issueCrumb(ServletRequest request, String salt) {
                     buffer.append(req.getSession().getId());
                 }
 
-                md.update(buffer.toString().getBytes());
-                return Util.toHexString(md.digest(salt.getBytes()));
+                md.update(buffer.toString().getBytes(StandardCharsets.UTF_8));
+                return Util.toHexString(md.digest(salt.getBytes(StandardCharsets.US_ASCII)));
             }
         }
         return null;

core/src/main/java/hudson/util/BootFailure.java

@@ -4,8 +4,10 @@
 import hudson.WebAppMain;
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileReader;
 import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.nio.file.InvalidPathException;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Date;
@@ -60,7 +62,7 @@ protected List<Date> loadAttempts(File home) {
             File f = getBootFailureFile(home);
             try {
                 if (f.exists()) {
-                    try (BufferedReader failureFileReader = new BufferedReader(new FileReader(f))) {
+                    try (BufferedReader failureFileReader = Files.newBufferedReader(f.toPath(), Charset.defaultCharset())) {
                         String line;
                         DateFormat df = DateFormat.getDateInstance();
                         while ((line=failureFileReader.readLine())!=null) {
@@ -72,7 +74,7 @@ protected List<Date> loadAttempts(File home) {
                         }
                     }
                 }
-            } catch (IOException e) {
+            } catch (IOException | InvalidPathException e) {
                 LOGGER.log(Level.WARNING,"Failed to parse "+f,e);
             } 
         }

core/src/main/java/hudson/util/CompressedFile.java

@@ -34,6 +34,7 @@
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.Reader;
+import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -101,7 +102,9 @@ public InputStream read() throws IOException {
 
     /**
      * Loads the file content as a string.
+     * @deprecated removed without replacement
      */
+    @Deprecated
     public String loadAsString() throws IOException {
         long sizeGuess;
         if(file.exists())
@@ -115,7 +118,7 @@ public String loadAsString() throws IOException {
         StringBuilder str = new StringBuilder((int)sizeGuess);
 
         try (InputStream is = read();
-             Reader r = new InputStreamReader(is)) {
+             Reader r = new InputStreamReader(is, Charset.defaultCharset())) {
             char[] buf = new char[8192];
             int len;
             while((len=r.read(buf,0,buf.length))>0)