changeset 2474:c849dc20dc85

6959197: When building with JAVAC_MAX_WARNINGS=true, the build fails in sun/nio/cs due to the use of -Werror Summary: Remove unneeded casts, add generic types and make better use of static data Reviewed-by: sherman
author andrew
date Sat, 12 Jun 2010 01:32:43 +0100
parents 7079585d6e0e
children 422531c98ba5
files make/sun/nio/cs/Makefile src/share/classes/sun/io/ByteToCharISO2022.java src/share/classes/sun/io/ByteToCharISO2022JP.java src/share/classes/sun/io/ByteToCharJISAutoDetect.java src/share/classes/sun/io/CharToBytePCK.java src/share/classes/sun/nio/cs/ext/DoubleByte.java src/share/classes/sun/nio/cs/ext/EUC_JP.java src/share/classes/sun/nio/cs/ext/EUC_JP_LINUX.java src/share/classes/sun/nio/cs/ext/EUC_JP_Open.java src/share/classes/sun/nio/cs/ext/EUC_TW.java src/share/classes/sun/nio/cs/ext/GB18030.java src/share/classes/sun/nio/cs/ext/HKSCS.java src/share/classes/sun/nio/cs/ext/ISO2022.java src/share/classes/sun/nio/cs/ext/JISAutoDetect.java src/share/classes/sun/nio/cs/ext/PCK.java src/share/classes/sun/nio/cs/ext/SJIS.java src/solaris/classes/sun/nio/cs/ext/COMPOUND_TEXT_Encoder.java src/solaris/classes/sun/nio/cs/ext/CompoundTextSupport.java
diffstat 18 files changed, 91 insertions(+), 107 deletions(-) [+]
line wrap: on
line diff
--- a/make/sun/nio/cs/Makefile	Fri Jun 11 14:47:22 2010 +0100
+++ b/make/sun/nio/cs/Makefile	Sat Jun 12 01:32:43 2010 +0100
@@ -37,7 +37,7 @@
 # This re-directs all the class files to a separate location
 CLASSDESTDIR = $(TEMPDIR)/classes
 
-OTHER_JAVACFLAGS += -Xlint:serial -Werror
+OTHER_JAVACFLAGS += -Xlint:serial,-deprecation -Werror
 include $(BUILDDIR)/common/Defs.gmk
 
 #
--- a/src/share/classes/sun/io/ByteToCharISO2022.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/io/ByteToCharISO2022.java	Sat Jun 12 01:32:43 2010 +0100
@@ -124,15 +124,15 @@
         switch(shiftFlag) {
         case SOFlag:
             tmpIndex = curSODes;
-            tmpConverter = (ByteToCharConverter [])SOConverter;
+            tmpConverter = SOConverter;
             break;
         case SS2Flag:
             tmpIndex = curSS2Des;
-            tmpConverter = (ByteToCharConverter [])SS2Converter;
+            tmpConverter = SS2Converter;
             break;
         case SS3Flag:
             tmpIndex = curSS3Des;
-            tmpConverter = (ByteToCharConverter [])SS3Converter;
+            tmpConverter = SS3Converter;
             break;
         }
 
--- a/src/share/classes/sun/io/ByteToCharISO2022JP.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/io/ByteToCharISO2022JP.java	Sat Jun 12 01:32:43 2010 +0100
@@ -141,7 +141,7 @@
                         } else {
                             savedSize = 2;
                             savedBytes[0] = (byte)byte1;
-                            savedBytes[1] = (byte)input[readOff + inputSize];
+                            savedBytes[1] = input[readOff + inputSize];
                             inputSize++;
                         }
                         break;
--- a/src/share/classes/sun/io/ByteToCharJISAutoDetect.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/io/ByteToCharJISAutoDetect.java	Sat Jun 12 01:32:43 2010 +0100
@@ -34,14 +34,12 @@
     private final static int SJIS1B_MASK = 0x04;
     private final static int EUCJP_KANA1_MASK = 0x08;
     private final static int EUCJP_KANA2_MASK = 0x10;
-    private static byte[] maskTable1;
-    private static byte[] maskTable2;
+    private final static byte[] maskTable1 = JISAutoDetect.getByteMask1();
+    private final static byte[] maskTable2 = JISAutoDetect.getByteMask2();
 
     private final static int SS2 = 0x8e;
     private final static int SS3 = 0x8f;
 
-    private final static JISAutoDetect nioCoder = new JISAutoDetect();
-
     // SJISName is set to either "SJIS" or "MS932"
     private String SJISName;
     private String EUCJPName;
@@ -57,8 +55,6 @@
         defaultConv = new ByteToCharISO8859_1();
         defaultConv.subChars = subChars;
         defaultConv.subMode = subMode;
-        maskTable1 = nioCoder.getByteMask1();
-        maskTable2 = nioCoder.getByteMask2();
     }
 
     public int flush(char [] output, int outStart, int outEnd)
@@ -133,7 +129,7 @@
                                 break;
                             }
                             if ((mask == SJIS2B_MASK) || (mask == SJIS1B_MASK)
-                                || (nioCoder.canBeSJIS1B(firstmask) && secondmask == 0)) {
+                                || (JISAutoDetect.canBeSJIS1B(firstmask) && secondmask == 0)) {
                                 convName = SJISName;
                                 break;
                             }
@@ -145,15 +141,15 @@
                             // character boundary. If we tried both
                             // possibilities here, it might be able to be
                             // determined correctly.
-                            if ((byte1 == SS3) && nioCoder.canBeEUCJP(secondmask)) {
+                            if ((byte1 == SS3) && JISAutoDetect.canBeEUCJP(secondmask)) {
                                 if (cnt+1 < inEnd) {
                                     int nextbyte = input[cnt+1] & 0xff;
-                                    if (! nioCoder.canBeEUCJP(maskTable2[nextbyte]))
+                                    if (! JISAutoDetect.canBeEUCJP(maskTable2[nextbyte]))
                                         convName = SJISName;
                                 } else
                                     convName = SJISName;
                             }
-                            if (nioCoder.canBeEUCKana(firstmask, secondmask))
+                            if (JISAutoDetect.canBeEUCKana(firstmask, secondmask))
                                 euckana++;
                         } else {
                             if ((firstmask & SJIS1B_MASK) != 0) {
--- a/src/share/classes/sun/io/CharToBytePCK.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/io/CharToBytePCK.java	Sat Jun 12 01:32:43 2010 +0100
@@ -66,7 +66,7 @@
 
          switch (ch) {
             case '\u2015':
-                return (int)0x815C;
+                return 0x815C;
             case '\u2014':
                 return 0;
             default:
--- a/src/share/classes/sun/nio/cs/ext/DoubleByte.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/DoubleByte.java	Sat Jun 12 01:32:43 2010 +0100
@@ -103,7 +103,7 @@
     public final static char[] B2C_UNMAPPABLE;
     static {
         B2C_UNMAPPABLE = new char[0x100];
-        Arrays.fill(B2C_UNMAPPABLE, (char)UNMAPPABLE_DECODING);
+        Arrays.fill(B2C_UNMAPPABLE, UNMAPPABLE_DECODING);
     }
 
     public static class Decoder extends CharsetDecoder
@@ -374,7 +374,7 @@
         static final char[] b2cSB;
         static {
             b2cSB = new char[0x100];
-            Arrays.fill(b2cSB, (char)UNMAPPABLE_DECODING);
+            Arrays.fill(b2cSB, UNMAPPABLE_DECODING);
         }
         Decoder_EBCDIC_DBCSONLY(Charset cs, char[][] b2c, int b2Min, int b2Max) {
             super(cs, 0.5f, 1.0f, b2c, b2cSB, b2Min, b2Max);
--- a/src/share/classes/sun/nio/cs/ext/EUC_JP.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/EUC_JP.java	Sat Jun 12 01:32:43 2010 +0100
@@ -79,8 +79,10 @@
         JIS_X_0201.Decoder decoderJ0201;
         JIS_X_0212_Decoder decoderJ0212;
 
-        short[] j0208Index1;
-        String[] j0208Index2;
+        private static final short[] j0208Index1 =
+          JIS_X_0208_Decoder.getIndex1();
+        private static final String[] j0208Index2 =
+          JIS_X_0208_Decoder.getIndex2();
 
         protected Decoder(Charset cs) {
             super(cs);
@@ -88,8 +90,6 @@
             decoderJ0212 = new JIS_X_0212_Decoder(cs);
             start = 0xa1;
             end = 0xfe;
-            j0208Index1 = super.getIndex1();
-            j0208Index2 = super.getIndex2();
         }
         protected char decode0212(int byte1, int byte2) {
              return decoderJ0212.decodeDouble(byte1, byte2);
@@ -238,8 +238,10 @@
         JIS_X_0201.Encoder encoderJ0201;
         JIS_X_0212_Encoder encoderJ0212;
 
-        short[] j0208Index1;
-        String[] j0208Index2;
+        private static final short[] j0208Index1 =
+          JIS_X_0208_Encoder.getIndex1();
+        private static final String[] j0208Index2 =
+          JIS_X_0208_Encoder.getIndex2();
 
         private final Surrogate.Parser sgp = new Surrogate.Parser();
 
@@ -247,8 +249,6 @@
             super(cs, 3.0f, 3.0f);
             encoderJ0201 = new JIS_X_0201.Encoder(cs);
             encoderJ0212 = new JIS_X_0212_Encoder(cs);
-            j0208Index1 = super.getIndex1();
-            j0208Index2 = super.getIndex2();
         }
 
         public boolean canEncode(char c) {
--- a/src/share/classes/sun/nio/cs/ext/EUC_JP_LINUX.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/EUC_JP_LINUX.java	Sat Jun 12 01:32:43 2010 +0100
@@ -65,20 +65,18 @@
 
     private static class Decoder extends CharsetDecoder {
         JIS_X_0201.Decoder decoderJ0201;
-        JIS_X_0208_Decoder decodeMappingJ0208;
         protected final char REPLACE_CHAR='\uFFFD';
 
-        short[] jis0208Index1;
-        String[] jis0208Index2;
+        private static final int start = 0xa1;
+        private static final int end = 0xfe;
+        private static final short[] jis0208Index1 =
+            JIS_X_0208_Decoder.getIndex1();
+        private static final String[] jis0208Index2 =
+            JIS_X_0208_Decoder.getIndex2();
 
         private Decoder(Charset cs) {
             super(cs, 1.0f, 1.0f);
             decoderJ0201 = new JIS_X_0201.Decoder(cs);
-            decodeMappingJ0208 = new JIS_X_0208_Decoder(cs);
-            decodeMappingJ0208.start = 0xa1;
-            decodeMappingJ0208.end = 0xfe;
-            jis0208Index1 = decodeMappingJ0208.getIndex1();
-            jis0208Index2 = decodeMappingJ0208.getIndex2();
         }
 
         protected char convSingleByte(int b) {
@@ -93,11 +91,11 @@
             }
 
             if (((byte1 < 0) || (byte1 > jis0208Index1.length))
-                || ((byte2 < decodeMappingJ0208.start) || (byte2 > decodeMappingJ0208.end)))
+                || ((byte2 < start) || (byte2 > end)))
                 return REPLACE_CHAR;
 
-            int n = (jis0208Index1[byte1 - 0x80] & 0xf) * (decodeMappingJ0208.end - decodeMappingJ0208.start + 1)
-                    + (byte2 - decodeMappingJ0208.start);
+            int n = (jis0208Index1[byte1 - 0x80] & 0xf) * (end - start + 1)
+                    + (byte2 - start);
             return jis0208Index2[jis0208Index1[byte1 - 0x80] >> 4].charAt(n);
         }
 
@@ -213,18 +211,16 @@
     private static class Encoder extends CharsetEncoder {
 
         JIS_X_0201.Encoder encoderJ0201;
-        JIS_X_0208_Encoder encoderJ0208;
 
         private final Surrogate.Parser sgp = new Surrogate.Parser();
-        short[] jis0208Index1;
-        String[] jis0208Index2;
+        private static final short[] jis0208Index1 =
+            JIS_X_0208_Encoder.getIndex1();
+        private static final String[] jis0208Index2 =
+            JIS_X_0208_Encoder.getIndex2();
 
         private Encoder(Charset cs) {
             super(cs, 2.0f, 2.0f);
             encoderJ0201 = new JIS_X_0201.Encoder(cs);
-            encoderJ0208 = new JIS_X_0208_Encoder(cs);
-            jis0208Index1 = encoderJ0208.getIndex1();
-            jis0208Index2 = encoderJ0208.getIndex2();
         }
 
         public boolean canEncode(char c) {
--- a/src/share/classes/sun/nio/cs/ext/EUC_JP_Open.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/EUC_JP_Open.java	Sat Jun 12 01:32:43 2010 +0100
@@ -75,8 +75,12 @@
         JIS_X_0212_Solaris_Decoder decodeMappingJ0212;
         JIS_X_0208_Solaris_Decoder decodeMappingJ0208;
 
-        short[] j0208Index1;
-        String[] j0208Index2;
+        private static final short[] j0208Index1 =
+          JIS_X_0208_Solaris_Decoder.getIndex1();
+        private static final String[] j0208Index2 =
+          JIS_X_0208_Solaris_Decoder.getIndex2();
+        private static final int start = 0xa1;
+        private static final int end = 0xfe;
 
         protected final char REPLACE_CHAR='\uFFFD';
 
@@ -84,11 +88,6 @@
             super(cs);
             decoderJ0201 = new JIS_X_0201.Decoder(cs);
             decodeMappingJ0212 = new JIS_X_0212_Solaris_Decoder(cs);
-            decodeMappingJ0208 = new JIS_X_0208_Solaris_Decoder(cs);
-            decodeMappingJ0208.start = 0xa1;
-            decodeMappingJ0208.end = 0xfe;
-            j0208Index1 = decodeMappingJ0208.getIndex1();
-            j0208Index2 = decodeMappingJ0208.getIndex2();
         }
 
 
@@ -103,9 +102,9 @@
             }
 
             if (((byte1 < 0)
-                || (byte1 > decodeMappingJ0208.getIndex1().length))
-                || ((byte2 < decodeMappingJ0208.start)
-                || (byte2 > decodeMappingJ0208.end)))
+                || (byte1 > j0208Index1.length))
+                || ((byte2 < start)
+                || (byte2 > end)))
                 return REPLACE_CHAR;
 
             char result = super.decodeDouble(byte1, byte2);
@@ -113,8 +112,8 @@
                 return result;
             } else {
                 int n = (j0208Index1[byte1 - 0x80] & 0xf) *
-                        (decodeMappingJ0208.end - decodeMappingJ0208.start + 1)
-                        + (byte2 - decodeMappingJ0208.start);
+                        (end - start + 1)
+                        + (byte2 - start);
                 return j0208Index2[j0208Index1[byte1 - 0x80] >> 4].charAt(n);
             }
         }
@@ -125,10 +124,11 @@
 
         JIS_X_0201.Encoder encoderJ0201;
         JIS_X_0212_Solaris_Encoder encoderJ0212;
-        JIS_X_0208_Solaris_Encoder encoderJ0208;
 
-        short[] j0208Index1;
-        String[] j0208Index2;
+        private static final short[] j0208Index1 =
+            JIS_X_0208_Solaris_Encoder.getIndex1();
+        private static final String[] j0208Index2 =
+            JIS_X_0208_Solaris_Encoder.getIndex2();
 
         private final Surrogate.Parser sgp = new Surrogate.Parser();
 
@@ -136,9 +136,6 @@
             super(cs);
             encoderJ0201 = new JIS_X_0201.Encoder(cs);
             encoderJ0212 = new JIS_X_0212_Solaris_Encoder(cs);
-            encoderJ0208 = new JIS_X_0208_Solaris_Encoder(cs);
-            j0208Index1 = encoderJ0208.getIndex1();
-            j0208Index2 = encoderJ0208.getIndex2();
         }
 
         protected int encodeSingle(char inputChar, byte[] outputByte) {
--- a/src/share/classes/sun/nio/cs/ext/EUC_TW.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/EUC_TW.java	Sat Jun 12 01:32:43 2010 +0100
@@ -423,7 +423,7 @@
                     if (dst.remaining() < outSize)
                         return CoderResult.OVERFLOW;
                     for (int i = 0; i < outSize; i++)
-                        dst.put((byte)bb[i]);
+                        dst.put(bb[i]);
                     mark += inSize;
                 }
                 return CoderResult.UNDERFLOW;
--- a/src/share/classes/sun/nio/cs/ext/GB18030.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/GB18030.java	Sat Jun 12 01:32:43 2010 +0100
@@ -12339,7 +12339,7 @@
             int start = 0x40, end = 0xFE;
             if (((byte1 < 0) || (byte1 > index1.length))
                 || ((byte2 < start) || (byte2 > end)))
-                return (char)'\uFFFD';
+                return '\uFFFD';
 
             int n = (index1[byte1] & 0xf) * (end - start + 1) + (byte2 - start);
             return index2[index1[byte1] >> 4].charAt(n);
--- a/src/share/classes/sun/nio/cs/ext/HKSCS.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/HKSCS.java	Sat Jun 12 01:32:43 2010 +0100
@@ -43,7 +43,7 @@
 
         private char[][] b2cBmp;
         private char[][] b2cSupp;
-        private static DoubleByte.Decoder big5Dec;
+        private DoubleByte.Decoder big5Dec;
 
         protected Decoder(Charset cs,
                           DoubleByte.Decoder big5Dec,
@@ -355,7 +355,7 @@
                             c2b[hi] = new char[0x100];
                             Arrays.fill(c2b[hi], (char)UNMAPPABLE_ENCODING);
                         }
-                        c2b[hi][c & 0xff] = (char)bb;
+                        c2b[hi][c & 0xff] = bb;
                     }
                     c++;
                 }
--- a/src/share/classes/sun/nio/cs/ext/ISO2022.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/ISO2022.java	Sat Jun 12 01:32:43 2010 +0100
@@ -104,15 +104,15 @@
             switch(shiftFlag) {
             case SOFlag:
                 tmpIndex = curSODes;
-                tmpDecoder = (CharsetDecoder [])SODecoder;
+                tmpDecoder = SODecoder;
                 break;
             case SS2Flag:
                 tmpIndex = curSS2Des;
-                tmpDecoder = (CharsetDecoder [])SS2Decoder;
+                tmpDecoder = SS2Decoder;
                 break;
             case SS3Flag:
                 tmpIndex = curSS3Des;
-                tmpDecoder = (CharsetDecoder [])SS3Decoder;
+                tmpDecoder = SS3Decoder;
                 break;
             }
 
--- a/src/share/classes/sun/nio/cs/ext/JISAutoDetect.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/JISAutoDetect.java	Sat Jun 12 01:32:43 2010 +0100
@@ -82,11 +82,11 @@
      * with the sun.io JISAutoDetect implementation
      */
 
-    public byte[] getByteMask1() {
+    public static byte[] getByteMask1() {
         return Decoder.maskTable1;
     }
 
-    public byte[] getByteMask2() {
+    public static byte[] getByteMask2() {
         return Decoder.maskTable2;
     }
 
--- a/src/share/classes/sun/nio/cs/ext/PCK.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/PCK.java	Sat Jun 12 01:32:43 2010 +0100
@@ -101,17 +101,15 @@
     private static class Encoder extends SJIS.Encoder {
 
         private JIS_X_0201.Encoder jis0201;
-        private JIS_X_0208_Solaris_Encoder jis0208;
 
-        short[] j0208Index1;
-        String[] j0208Index2;
+        private static final short[] j0208Index1 =
+            JIS_X_0208_Solaris_Encoder.getIndex1();
+        private static final String[] j0208Index2 =
+            JIS_X_0208_Solaris_Encoder.getIndex2();
 
         private Encoder(Charset cs) {
             super(cs);
             jis0201 = new JIS_X_0201.Encoder(cs);
-            jis0208 = new JIS_X_0208_Solaris_Encoder(cs);
-            j0208Index1 = jis0208.getIndex1();
-            j0208Index2 = jis0208.getIndex2();
         }
 
         protected int encodeDouble(char ch) {
@@ -121,7 +119,7 @@
 
             switch (ch) {
                 case '\u2015':
-                    return (int)0x815C;
+                    return 0x815C;
                 case '\u2014':
                     return 0;
                 default:
--- a/src/share/classes/sun/nio/cs/ext/SJIS.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/share/classes/sun/nio/cs/ext/SJIS.java	Sat Jun 12 01:32:43 2010 +0100
@@ -114,14 +114,14 @@
 
         private JIS_X_0201.Encoder jis0201;
 
-        short[] j0208Index1;
-        String[] j0208Index2;
+        private static final short[] j0208Index1 =
+            JIS_X_0208_Encoder.getIndex1();
+        private static final String[] j0208Index2 =
+            JIS_X_0208_Encoder.getIndex2();
 
         protected Encoder(Charset cs) {
             super(cs);
             jis0201 = new JIS_X_0201.Encoder(cs);
-            j0208Index1 = super.getIndex1();
-            j0208Index2 = super.getIndex2();
         }
 
         protected int encodeSingle(char inputChar) {
--- a/src/solaris/classes/sun/nio/cs/ext/COMPOUND_TEXT_Encoder.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/solaris/classes/sun/nio/cs/ext/COMPOUND_TEXT_Encoder.java	Sat Jun 12 01:32:43 2010 +0100
@@ -43,8 +43,8 @@
      * cannot be used for actual encoding because they are shared across all
      * COMPOUND_TEXT encoders and may be stateful.
      */
-    private static final Map encodingToEncoderMap =
-        Collections.synchronizedMap(new HashMap(21, 1.0f));
+    private static final Map<String,CharsetEncoder> encodingToEncoderMap =
+      Collections.synchronizedMap(new HashMap<String,CharsetEncoder>(21, 1.0f));
     private static final CharsetEncoder latin1Encoder;
     private static final CharsetEncoder defaultEncoder;
     private static final boolean defaultEncodingSupported;
@@ -221,7 +221,7 @@
             out.put((byte)0x1B);
             out.put((byte)0x25);
             out.put((byte)0x2F);
-            out.put((byte)nonStandardBytes[3]);
+            out.put(nonStandardBytes[3]);
 
             int toWrite = Math.min(numBytes - nonStandardBytesOff,
                                    (1 << 14) - 1 - nonStandardEncodingLen);
@@ -313,12 +313,9 @@
         }
 
         // 4. Brute force search of all supported encodings.
-        for (Iterator iter = CompoundTextSupport.getEncodings().iterator();
-             iter.hasNext();)
+        for (String encoding : CompoundTextSupport.getEncodings())
         {
-            String encoding = (String)iter.next();
-            CharsetEncoder enc =
-                (CharsetEncoder)encodingToEncoderMap.get(encoding);
+            CharsetEncoder enc = encodingToEncoderMap.get(encoding);
             if (enc == null) {
                 enc = CompoundTextSupport.getEncoder(encoding);
                 if (enc == null) {
--- a/src/solaris/classes/sun/nio/cs/ext/CompoundTextSupport.java	Fri Jun 11 14:47:22 2010 +0100
+++ b/src/solaris/classes/sun/nio/cs/ext/CompoundTextSupport.java	Sat Jun 12 01:32:43 2010 +0100
@@ -130,13 +130,13 @@
     /**
      * Maps a GL or GR escape sequence to an encoding.
      */
-    private static final Map sequenceToEncodingMap;
+    private static final Map<ControlSequence, String> sequenceToEncodingMap;
 
     /**
      * Indicates whether a particular encoding wants the high bit turned on
      * or off.
      */
-    private static final Map highBitsMap;
+    private static final Map<ControlSequence, Boolean> highBitsMap;
 
     /**
      * Maps an encoding to an escape sequence. Rather than manage two
@@ -144,18 +144,21 @@
      * modify both GL and GR if necessary. This makes the output slightly less
      * efficient, but our code much simpler.
      */
-    private static final Map encodingToSequenceMap;
+    private static final Map<String, ControlSequence> encodingToSequenceMap;
 
     /**
      * The keys of 'encodingToSequenceMap', sorted in preferential order.
      */
-    private static final List encodings;
+    private static final List<String> encodings;
 
     static {
-        HashMap tSequenceToEncodingMap = new HashMap(33, 1.0f);
-        HashMap tHighBitsMap = new HashMap(31, 1.0f);
-        HashMap tEncodingToSequenceMap = new HashMap(21, 1.0f);
-        ArrayList tEncodings = new ArrayList(21);
+        HashMap<ControlSequence, String> tSequenceToEncodingMap =
+            new HashMap<>(33, 1.0f);
+        HashMap<ControlSequence, Boolean> tHighBitsMap =
+            new HashMap<>(31, 1.0f);
+        HashMap<String, ControlSequence> tEncodingToSequenceMap =
+            new HashMap<>(21, 1.0f);
+        ArrayList<String> tEncodings = new ArrayList<>(21);
 
         if (!(isEncodingSupported("US-ASCII") &&
               isEncodingSupported("ISO-8859-1")))
@@ -457,13 +460,12 @@
         return getNonStandardDecoder(escSequence, null);
     }
     static boolean getHighBit(byte[] escSequence) {
-        Boolean bool = (Boolean)highBitsMap.get
-            (new ControlSequence(escSequence));
+        Boolean bool = highBitsMap.get(new ControlSequence(escSequence));
         return (bool == Boolean.TRUE);
     }
     static CharsetDecoder getNonStandardDecoder(byte[] escSequence,
                                                        byte[] encoding) {
-        return getDecoder((String)sequenceToEncodingMap.get
+        return getDecoder(sequenceToEncodingMap.get
             (new ControlSequence(escSequence, encoding)));
     }
     static CharsetDecoder getDecoder(String enc) {
@@ -474,7 +476,7 @@
         try {
             cs = Charset.forName(enc);
         } catch (IllegalArgumentException e) {
-            Class cls;
+            Class<?> cls;
             try {
                 cls = Class.forName("sun.awt.motif." + enc);
             } catch (ClassNotFoundException ee) {
@@ -497,22 +499,20 @@
 
     // For Encoder
     static byte[] getEscapeSequence(String encoding) {
-        ControlSequence seq = (ControlSequence)
-            encodingToSequenceMap.get(encoding);
+        ControlSequence seq = encodingToSequenceMap.get(encoding);
         if (seq != null) {
             return seq.escSequence;
         }
         return null;
     }
     static byte[] getEncoding(String encoding) {
-        ControlSequence seq = (ControlSequence)
-            encodingToSequenceMap.get(encoding);
+        ControlSequence seq = encodingToSequenceMap.get(encoding);
         if (seq != null) {
             return seq.encoding;
         }
         return null;
     }
-    static List getEncodings() {
+    static List<String> getEncodings() {
         return encodings;
     }
     static CharsetEncoder getEncoder(String enc) {
@@ -523,7 +523,7 @@
         try {
             cs = Charset.forName(enc);
         } catch (IllegalArgumentException e) {
-            Class cls;
+            Class<?> cls;
             try {
                 cls = Class.forName("sun.awt.motif." + enc);
             } catch (ClassNotFoundException ee) {