Cosmetic refactor: add final keyword where possible

runtime/src/main/java/org/capnproto/AnyPointer.java

@@ -1,9 +1,9 @@
 package org.capnproto;
 
-public class AnyPointer {
+public final class AnyPointer {
 
-    public static class Reader {
-        public PointerReader reader;
+    public final static class Reader {
+        public final PointerReader reader;
 
         public Reader(PointerReader reader) {
             this.reader = reader;

runtime/src/main/java/org/capnproto/DecodeException.java

@@ -1,6 +1,6 @@
 package org.capnproto;
 
-public class DecodeException extends RuntimeException {
+public final class DecodeException extends RuntimeException {
     public DecodeException(String message) {
         super(message);
     }

runtime/src/main/java/org/capnproto/FieldSize.java

@@ -1,6 +1,6 @@
 package org.capnproto;
 
-public class FieldSize {
+public final class FieldSize {
     public static final byte VOID = 0;
     public static final byte BIT = 1;
     public static final byte BYTE = 2;

runtime/src/main/java/org/capnproto/FromStructBuilder.java

@@ -1,6 +1,6 @@
 package org.capnproto;
 
 public interface FromStructBuilder<T> {
-    public abstract T fromStructBuilder(StructBuilder builder);
-    public abstract StructSize structSize();
+    T fromStructBuilder(StructBuilder builder);
+    StructSize structSize();
 }

runtime/src/main/java/org/capnproto/FromStructReader.java

@@ -1,5 +1,5 @@
 package org.capnproto;
 
 public interface FromStructReader<T> {
-    public abstract T fromStructReader(StructReader reader);
+    T fromStructReader(StructReader reader);
 }

runtime/src/main/java/org/capnproto/InputStreamMessageReader.java

@@ -1,13 +1,12 @@
 package org.capnproto;
 
-import java.io.InputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.util.Vector;
 
-
-public class InputStreamMessageReader {
+public final class InputStreamMessageReader {
 
     static byte[] readExact(InputStream is, int length) throws IOException {
         byte[] bytes = new byte[length];

runtime/src/main/java/org/capnproto/ListBuilder.java

@@ -1,12 +1,12 @@
 package org.capnproto;
 
 public final class ListBuilder {
-    SegmentBuilder segment;
-    int ptr; // byte offset to front of list
-    int elementCount;
-    int step; // in bits
-    int structDataSize; // in bits
-    short structPointerCount;
+    final SegmentBuilder segment;
+    final int ptr; // byte offset to front of list
+    final int elementCount;
+    final int step; // in bits
+    final int structDataSize; // in bits
+    final short structPointerCount;
 
     public ListBuilder(SegmentBuilder segment, int ptr,
                        int elementCount, int step,

runtime/src/main/java/org/capnproto/ListReader.java

@@ -1,14 +1,13 @@
 package org.capnproto;
 
-public class ListReader {
-    SegmentReader segment;
-    int ptr; // byte offset to front of list
-    int elementCount;
-    int step; // in bits
-    int structDataSize; // in bits
-    short structPointerCount;
-    int nestingLimit;
-
+public final class ListReader {
+    final SegmentReader segment;
+    final int ptr; // byte offset to front of list
+    final int elementCount;
+    final int step; // in bits
+    final int structDataSize; // in bits
+    final short structPointerCount;
+    final int nestingLimit;
 
     public ListReader() {
         this.segment = null;

runtime/src/main/java/org/capnproto/MessageReader.java

@@ -2,8 +2,8 @@ package org.capnproto;
 
 import java.nio.ByteBuffer;
 
-public class MessageReader {
-    ByteBuffer[] segmentSlices;
+public final class MessageReader {
+    final ByteBuffer[] segmentSlices;
 
     public MessageReader(ByteBuffer[] segmentSlices) {
         this.segmentSlices = segmentSlices;

runtime/src/main/java/org/capnproto/PointerBuilder.java

@@ -1,8 +1,8 @@
 package org.capnproto;
 
 public final class PointerBuilder {
-    public SegmentBuilder segment;
-    public int pointer; // word offset
+    public final SegmentBuilder segment;
+    public final int pointer; // word offset
 
     public PointerBuilder(SegmentBuilder segment, int pointer) {
         this.segment = segment;

runtime/src/main/java/org/capnproto/PointerReader.java

@@ -1,9 +1,9 @@
 package org.capnproto;
 
-public class PointerReader {
-    public SegmentReader segment;
-    public int pointer; // word offset
-    public int nestingLimit;
+public final class PointerReader {
+    public final SegmentReader segment;
+    public final int pointer; // word offset
+    public final int nestingLimit;
 
     public PointerReader() {
         this.segment = null;

runtime/src/main/java/org/capnproto/SegmentBuilder.java

@@ -2,11 +2,11 @@ package org.capnproto;
 
 import java.nio.ByteBuffer;
 
-public class SegmentBuilder extends SegmentReader {
-    public int pos = 0; // in words
-
+public final class SegmentBuilder extends SegmentReader {
     public static final int FAILED_ALLOCATION = -1;
 
+    public int pos = 0; // in words
+
     public SegmentBuilder(ByteBuffer buf) {
         super(buf);
     }

runtime/src/main/java/org/capnproto/SegmentReader.java

@@ -3,7 +3,7 @@ package org.capnproto;
 import java.nio.ByteBuffer;
 
 public class SegmentReader {
-    ByteBuffer buffer;
+    final ByteBuffer buffer;
 
     public SegmentReader(ByteBuffer buffer) {
         this.buffer = buffer;

runtime/src/main/java/org/capnproto/StructBuilder.java

@@ -1,12 +1,12 @@
 package org.capnproto;
 
 public final class StructBuilder {
-    public SegmentBuilder segment;
-    public int data; //byte offset to data section
-    public int pointers; // word offset of pointer section
-    public int dataSize; // in bits
-    public short pointerCount;
-    public byte bit0Offset;
+    public final SegmentBuilder segment;
+    public final int data; //byte offset to data section
+    public final int pointers; // word offset of pointer section
+    public final int dataSize; // in bits
+    public final short pointerCount;
+    public final byte bit0Offset;
 
     public StructBuilder(SegmentBuilder segment, int data,
                          int pointers, int dataSize, short pointerCount,

runtime/src/main/java/org/capnproto/StructList.java

@@ -1,6 +1,5 @@
 package org.capnproto;
 
-
 public final class StructList {
     public static final class Reader<T> {
         public ListReader reader;

runtime/src/main/java/org/capnproto/StructReader.java

@@ -1,14 +1,13 @@
 package org.capnproto;
 
 public final class StructReader {
-    public SegmentReader segment;
-    public int data; //byte offset to data section
-    public int pointers; // word offset of pointer section
-    public int dataSize; // in bits
-    public short pointerCount;
-    public byte bit0Offset;
-    public int nestingLimit;
-
+    public final SegmentReader segment;
+    public final int data; //byte offset to data section
+    public final int pointers; // word offset of pointer section
+    public final int dataSize; // in bits
+    public final short pointerCount;
+    public final byte bit0Offset;
+    public final int nestingLimit;
 
     public StructReader(SegmentReader segment, int data,
                         int pointers, int dataSize, short pointerCount,

runtime/src/main/java/org/capnproto/Text.java

@@ -2,7 +2,7 @@ package org.capnproto;
 
 import java.nio.ByteBuffer;
 
-public class Text {
+public final class Text {
 
     public static final class Reader {
         public final ByteBuffer buffer;