格式化代码 修复nameWithoutQuotes方法未生效的问题...

Signed-off-by: 502647092 <jtb1@163.com>

src/main/java/cn/citycraft/GsonAgent/api/stream/JsonWriter.java

@@ -6,6 +6,51 @@ import java.io.IOException;
 
 public abstract interface JsonWriter extends Closeable, Flushable {
 
+    /**
+     * An array with no elements requires no separators or newlines before it is
+     * closed.
+     */
+    static final int EMPTY_ARRAY = 1;
+
+    /**
+     * A array with at least one value requires a comma and newline before the
+     * next element.
+     */
+    static final int NONEMPTY_ARRAY = 2;
+
+    /**
+     * An object with no name/value pairs requires no separators or newlines
+     * before it is closed.
+     */
+    static final int EMPTY_OBJECT = 3;
+
+    /**
+     * An object whose most recent element is a key. The next element must be a
+     * value.
+     */
+    static final int DANGLING_NAME = 4;
+
+    /**
+     * An object with at least one name/value pair requires a comma and newline
+     * before the next element.
+     */
+    static final int NONEMPTY_OBJECT = 5;
+
+    /**
+     * No object or array has been started.
+     */
+    static final int EMPTY_DOCUMENT = 6;
+
+    /**
+     * A document with at an array or object.
+     */
+    static final int NONEMPTY_DOCUMENT = 7;
+
+    /**
+     * A document that's been closed and cannot be accessed.
+     */
+    static final int CLOSED = 8;
+
     public JsonWriter beginArray() throws IOException;
 
     public JsonWriter beginObject() throws IOException;
@@ -50,6 +95,5 @@ public abstract interface JsonWriter extends Closeable, Flushable {
 
     public JsonWriter value(String value) throws IOException;
 
-	void string(String value) throws IOException;
-
+    void stringExtend(String value) throws IOException;
 }

src/main/java/cn/citycraft/GsonAgent/api/utils/Utils.java

@@ -4,6 +4,7 @@
 package cn.citycraft.GsonAgent.api.utils;
 
 import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
 
 /**
  * Gson代理工具类(来自7老板)
@@ -13,6 +14,29 @@ import java.lang.reflect.Constructor;
  */
 @SuppressWarnings({ "unchecked", "rawtypes" })
 public class Utils {
+    public static final String[] REPLACEMENT_CHARS;
+    public static final String[] HTML_SAFE_REPLACEMENT_CHARS;
+
+    static {
+        REPLACEMENT_CHARS = new String[128];
+        for (int i = 0; i <= 0x1f; i++) {
+            REPLACEMENT_CHARS[i] = String.format("\\u%04x", i);
+        }
+        REPLACEMENT_CHARS['"'] = "\\\"";
+        REPLACEMENT_CHARS['\\'] = "\\\\";
+        REPLACEMENT_CHARS['\t'] = "\\t";
+        REPLACEMENT_CHARS['\b'] = "\\b";
+        REPLACEMENT_CHARS['\n'] = "\\n";
+        REPLACEMENT_CHARS['\r'] = "\\r";
+        REPLACEMENT_CHARS['\f'] = "\\f";
+        HTML_SAFE_REPLACEMENT_CHARS = REPLACEMENT_CHARS.clone();
+        HTML_SAFE_REPLACEMENT_CHARS['<'] = "\\u003c";
+        HTML_SAFE_REPLACEMENT_CHARS['>'] = "\\u003e";
+        HTML_SAFE_REPLACEMENT_CHARS['&'] = "\\u0026";
+        HTML_SAFE_REPLACEMENT_CHARS['='] = "\\u003d";
+        HTML_SAFE_REPLACEMENT_CHARS['\''] = "\\u0027";
+    }
+
     public static <T> T deepCopyObject(final T obj) {
         try {
             return (T) obj.getClass().getDeclaredMethod("deepCopy").invoke(obj);
@@ -21,6 +45,51 @@ public class Utils {
         }
     }
 
+    public static Field getDeclareField(final Class clzz, final String fieldName) throws Exception {
+        final Field field = clzz.getDeclaredField(fieldName);
+        field.setAccessible(true);
+        return field;
+    }
+
+    public static Object invokeField(final Object object, final Field field) {
+        try {
+            return field.get(object);
+        } catch (final Exception e) {
+        }
+        return null;
+    }
+
+    public static int[] invokeIntArrayField(final Object object, final Field field) {
+        try {
+            return (int[]) invokeField(object, field);
+        } catch (final Exception e) {
+        }
+        return null;
+    }
+
+    public static int invokeIntField(final Object object, final Field field) {
+        try {
+            return ((Number) invokeField(object, field)).intValue();
+        } catch (final Exception e) {
+        }
+        return 0;
+    }
+
+    public static String invokeStringField(final Object object, final Field field) {
+        try {
+            return (String) invokeField(object, field);
+        } catch (final Exception e) {
+        }
+        return null;
+    }
+
+    public static void modifyField(final Object object, final Field field, final Object value) {
+        try {
+            field.set(object, value);
+        } catch (final Exception e) {
+        }
+    }
+
     public static <T> T newInstance(final Class<T> clzz) {
         try {
             final Constructor<T> constructor = clzz.getDeclaredConstructor();

src/main/java/cn/citycraft/GsonAgent/nms/stream/JsonWriterHandle.java

@@ -4,138 +4,225 @@ import java.io.IOException;
 import java.io.Writer;
 import java.lang.reflect.Field;
 
+import cn.citycraft.GsonAgent.api.utils.Utils;
 import net.minecraft.util.com.google.gson.stream.JsonWriter;
 
-public class JsonWriterHandle implements cn.citycraft.GsonAgent.api.stream.JsonWriter {
-
-	private static String[] REPLACEMENT_CHARS;
-
-	private static String[] HTML_SAFE_REPLACEMENT_CHARS;
+public class JsonWriterHandle extends JsonWriter implements cn.citycraft.GsonAgent.api.stream.JsonWriter {
+    /*
+     * From RFC 4627, "All Unicode characters may be placed within the
+     * quotation marks except for the characters that must be escaped:
+     * quotation mark, reverse solidus, and the control characters
+     * (U+0000 through U+001F)."
+     *
+     * We also escape '\u2028' and '\u2029', which JavaScript interprets as
+     * newline characters. This prevents eval() from failing with a syntax
+     * error. http://code.google.com/p/google-gson/issues/detail?id=341
+     */
+    private static Field stackField, stackSizeField, indentField, separatorField;
 
     static {
+        final Class<JsonWriter> clzz = JsonWriter.class;
         try {
-			Field field = JsonWriter.class.getDeclaredField("REPLACEMENT_CHARS");
-			field.setAccessible(true);
-			REPLACEMENT_CHARS = (String[]) field.get(null);
-			field = JsonWriter.class.getDeclaredField("HTML_SAFE_REPLACEMENT_CHARS");
-			field.setAccessible(true);
-			HTML_SAFE_REPLACEMENT_CHARS = (String[]) field.get(null);
+            stackField = Utils.getDeclareField(clzz, "stack");
+            stackSizeField = Utils.getDeclareField(clzz, "stackSize");
+            indentField = Utils.getDeclareField(clzz, "indent");
+            separatorField = Utils.getDeclareField(clzz, "separator");
         } catch (final Exception e) {
             e.printStackTrace();
         }
     }
 
-	private final JsonWriter handle;
-
-	private Writer out;
+    /**
+     * The output data, containing at most one top-level array or object.
+     */
+    private final Writer out;
+    private String deferredName;
 
     private boolean withoutQuotes = false;
 
+    /**
+     * Creates a new instance that writes a JSON-encoded stream to {@code out}.
+     * For best performance, ensure {@link Writer} is buffered; wrapping in
+     * {@link java.io.BufferedWriter BufferedWriter} if necessary.
+     *
+     * @param out
+     */
     public JsonWriterHandle(final Writer out) {
-		this(new JsonWriter(out));
+        super(out);
         this.out = out;
     }
 
-	protected JsonWriterHandle(final JsonWriter handle) {
-		this.handle = handle;
-	}
-
+    /**
+     * Begins encoding a new array. Each call to this method must be paired with
+     * a call to {@link #endArray}.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle beginArray() throws IOException {
-		getHandle().beginArray();
-		return this;
+        writeDeferredName();
+        return open(EMPTY_ARRAY, "[");
     }
 
+    /**
+     * Begins encoding a new object. Each call to this method must be paired
+     * with a call to {@link #endObject}.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle beginObject() throws IOException {
-		getHandle().beginObject();
-		return this;
+        writeDeferredName();
+        return open(EMPTY_OBJECT, "{");
     }
 
+    /**
+     * Flushes and closes this writer and the underlying {@link Writer}.
+     *
+     * @throws IOException
+     *             if the JSON document is incomplete.
+     */
     @Override
     public void close() throws IOException {
-		getHandle().close();
+        out.close();
+        final int size = this.getStackSize();
+        if (size > 1 || size == 1 && this.getStack()[size - 1] != NONEMPTY_DOCUMENT) {
+            throw new IOException("Incomplete document");
+        }
+        this.setStackSize(0);
     }
 
+    /**
+     * Ends encoding the current array.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle endArray() throws IOException {
-		getHandle().endArray();
-		return this;
+        return close(EMPTY_ARRAY, NONEMPTY_ARRAY, "]");
     }
 
+    /**
+     * Ends encoding the current object.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle endObject() throws IOException {
-		getHandle().endObject();
+        return close(EMPTY_OBJECT, NONEMPTY_OBJECT, "}");
+    }
+
+    /**
+     * Ensures all buffered data is written to the underlying {@link Writer} and
+     * flushes that writer.
+     *
+     * @throws java.io.IOException
+     */
+    @Override
+    public void flush() throws IOException {
+        if (this.getStackSize() == 0) {
+            throw new IllegalStateException("JsonWriterHandle is closed.");
+        }
+        out.flush();
+    }
+
+    public JsonWriterHandle getHandle() {
         return this;
     }
 
-	@Override
-	public void flush() throws IOException {
-		getHandle().flush();
+    public String getIndent() {
+        return Utils.invokeStringField(this, indentField);
     }
 
-	public JsonWriter getHandle() {
-		return handle;
+    public String getSeparator() {
+        return Utils.invokeStringField(this, separatorField);
     }
 
-	@Override
-	public boolean getSerializeNulls() {
-		return getHandle().getSerializeNulls();
+    public int[] getStack() {
+        return Utils.invokeIntArrayField(this, stackField);
     }
 
-	@Override
-	public boolean isHtmlSafe() {
-		return getHandle().isHtmlSafe();
-	}
-
-	@Override
-	public boolean isLenient() {
-		return getHandle().isLenient();
+    public int getStackSize() {
+        return Utils.invokeIntField(this, stackSizeField);
     }
 
+    /**
+     * Encodes the property name.
+     *
+     * @param name
+     *            the name of the forthcoming value. May not be null.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle name(final String name) throws IOException {
-		getHandle().name(name);
+        if (name == null) {
+            throw new NullPointerException("name == null");
+        }
+        if (deferredName != null) {
+            throw new IllegalStateException();
+        }
+        if (this.getStackSize() == 0) {
+            throw new IllegalStateException("JsonWriterHandle is closed.");
+        }
+        deferredName = name;
         withoutQuotes = false;
         return this;
     }
 
     @Override
     public JsonWriterHandle nameWithoutQuotes(final String name) throws IOException {
-		getHandle().name(name);
+        this.name(name);
         withoutQuotes = true;
         return this;
     }
 
+    /**
+     * Encodes {@code null}.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle nullValue() throws IOException {
-		getHandle().nullValue();
+        if (deferredName != null) {
+            if (this.getSerializeNulls()) {
+                writeDeferredName();
+            } else {
+                deferredName = null;
+                return this; // skip the name and the value
+            }
+        }
+        beforeValue(false);
+        out.write("null");
         return this;
     }
 
-	@Override
-	public void setHtmlSafe(final boolean htmlSafe) {
-		getHandle().setHtmlSafe(htmlSafe);
+    public void setSeparator(final String separator) {
+        Utils.modifyField(this, separatorField, separator);
+    }
+
+    public void setStack(final int index, final int value) {
+        final int[] newStack = this.getStack();
+        newStack[index] = value;
+        this.setStack(newStack);
+    }
+
+    public void setStack(final int[] stack) {
+        Utils.modifyField(this, stackField, stack);
+    }
+
+    public void setStackSize(final int stackSize) {
+        Utils.modifyField(this, stackSizeField, stackSize);
     }
 
     @Override
-	public void setIndent(final String indent) {
-		getHandle().setIndent(indent);
-	}
-
-	@Override
-	public void setLenient(final boolean lenient) {
-		getHandle().setLenient(lenient);
-	}
-
-	@Override
-	public void setSerializeNulls(final boolean serializeNulls) {
-		getHandle().setSerializeNulls(serializeNulls);
-	}
-
-	@Override
-	public void string(final String value) throws IOException {
-		final String[] replacements = getHandle().isHtmlSafe() ? HTML_SAFE_REPLACEMENT_CHARS : REPLACEMENT_CHARS;
+    public void stringExtend(final String value) throws IOException {
+        final String[] replacements = this.isHtmlSafe() ? Utils.HTML_SAFE_REPLACEMENT_CHARS : Utils.REPLACEMENT_CHARS;
         if (!this.withoutQuotes) {
             this.out.write("\"");
         }
@@ -144,30 +231,26 @@ public class JsonWriterHandle implements cn.citycraft.GsonAgent.api.stream.JsonW
         for (int i = 0; i < length; i++) {
             final char c = value.charAt(i);
             String replacement;
-			if (c < '€') {
+            if (c < 128) {
                 replacement = replacements[c];
                 if (replacement == null) {
                     continue;
                 }
-			} else {
-				if (c == '
') {
+            } else if (c == '\u2028') {
                 replacement = "\\u2028";
+            } else if (c == '\u2029') {
+                replacement = "\\u2029";
             } else {
-					if (c != '
') {
                 continue;
             }
-					replacement = "\\u2029";
-				}
-			}
-
             if (last < i) {
-				this.out.write(value, last, i - last);
+                out.write(value, last, i - last);
             }
-			this.out.write(replacement);
+            out.write(replacement);
             last = i + 1;
         }
         if (last < length) {
-			this.out.write(value, last, length - last);
+            out.write(value, last, length - last);
         }
         if (!this.withoutQuotes) {
             this.out.write("\"");
@@ -175,34 +258,229 @@ public class JsonWriterHandle implements cn.citycraft.GsonAgent.api.stream.JsonW
         withoutQuotes = false;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final boolean value) throws IOException {
-		getHandle().value(value);
+        writeDeferredName();
+        beforeValue(false);
+        out.write(value ? "true" : "false");
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     *            a finite value. May not be {@link Double#isNaN() NaNs} or
+     *            {@link Double#isInfinite() infinities}.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final double value) throws IOException {
-		getHandle().value(value);
+        if (Double.isNaN(value) || Double.isInfinite(value)) {
+            throw new IllegalArgumentException("Numeric values must be finite, but was " + value);
+        }
+        writeDeferredName();
+        beforeValue(false);
+        out.append(Double.toString(value));
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final long value) throws IOException {
-		getHandle().value(value);
+        writeDeferredName();
+        beforeValue(false);
+        out.write(Long.toString(value));
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     *            a finite value. May not be {@link Double#isNaN() NaNs} or
+     *            {@link Double#isInfinite() infinities}.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final Number value) throws IOException {
-		getHandle().value(value);
+        if (value == null) {
+            return nullValue();
+        }
+        writeDeferredName();
+        final String string = value.toString();
+        if (!this.isLenient() && (string.equals("-Infinity") || string.equals("Infinity") || string.equals("NaN"))) {
+            throw new IllegalArgumentException("Numeric values must be finite, but was " + value);
+        }
+        beforeValue(false);
+        out.append(string);
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     *            the literal string value, or null to encode a null literal.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final String value) throws IOException {
-		getHandle().value(value);
+        if (value == null) {
+            return nullValue();
+        }
+        writeDeferredName();
+        beforeValue(false);
+        stringExtend(value);
         return this;
     }
 
+    /**
+     * Inserts any necessary separators and whitespace before a name. Also
+     * adjusts the stack to expect the name's value.
+     */
+    private void beforeName() throws IOException {
+        final int context = peek();
+        if (context == NONEMPTY_OBJECT) { // first in object
+            out.write(',');
+        } else if (context != EMPTY_OBJECT) { // not in an object!
+            throw new IllegalStateException("Nesting problem.");
+        }
+        newline();
+        replaceTop(DANGLING_NAME);
+    }
+
+    /**
+     * Inserts any necessary separators and whitespace before a literal value,
+     * inline array, or inline object. Also adjusts the stack to expect either a
+     * closing bracket or another element.
+     *
+     * @param root
+     *            true if the value is a new array or object, the two values
+     *            permitted as top-level elements.
+     */
+    @SuppressWarnings("fallthrough")
+    private void beforeValue(final boolean root) throws IOException {
+        switch (peek()) {
+        case NONEMPTY_DOCUMENT:
+            if (!this.isLenient()) {
+                throw new IllegalStateException("JSON must have only one top-level value.");
+            }
+            // fall-through
+        case EMPTY_DOCUMENT: // first in document
+            if (!this.isLenient() && !root) {
+                throw new IllegalStateException("JSON must start with an array or an object.");
+            }
+            replaceTop(NONEMPTY_DOCUMENT);
+            break;
+        case EMPTY_ARRAY: // first in array
+            replaceTop(NONEMPTY_ARRAY);
+            newline();
+            break;
+        case NONEMPTY_ARRAY: // another in array
+            out.append(',');
+            newline();
+            break;
+        case DANGLING_NAME: // value for name
+            out.append(this.getSeparator());
+            replaceTop(NONEMPTY_OBJECT);
+            break;
+        default:
+            throw new IllegalStateException("Nesting problem.");
+        }
+    }
+
+    /**
+     * Closes the current scope by appending any necessary whitespace and the
+     * given bracket.
+     */
+    private JsonWriterHandle close(final int empty, final int nonempty, final String closeBracket) throws IOException {
+        final int context = peek();
+        if (context != nonempty && context != empty) {
+            throw new IllegalStateException("Nesting problem.");
+        }
+        if (deferredName != null) {
+            throw new IllegalStateException("Dangling name: " + deferredName);
+        }
+        this.setStackSize(this.getStackSize() - 1);
+        if (context == nonempty) {
+            newline();
+        }
+        out.write(closeBracket);
+        return this;
+    }
+
+    private void newline() throws IOException {
+        if (this.getIndent() == null) {
+            return;
+        }
+        out.write("\n");
+        for (int i = 1, size = this.getStackSize(); i < size; i++) {
+            out.write(this.getIndent());
+        }
+    }
+
+    /**
+     * Enters a new scope by appending any necessary whitespace and the given
+     * bracket.
+     */
+    private JsonWriterHandle open(final int empty, final String openBracket) throws IOException {
+        beforeValue(true);
+        push(empty);
+        out.write(openBracket);
+        return this;
+    }
+
+    /**
+     * Returns the value on the top of the stack.
+     */
+    private int peek() {
+        if (this.getStackSize() == 0) {
+            throw new IllegalStateException("JsonWriterHandle is closed.");
+        }
+        return this.getStack()[this.getStackSize() - 1];
+    }
+
+    private void push(final int newTop) {
+        int[] stacks = this.getStack();
+        if (this.getStackSize() == stacks.length) {
+            final int[] newStack = new int[stacks.length * 2];
+            System.arraycopy(stacks, 0, newStack, 0, stacks.length);
+            stacks = newStack;
+            this.setStack(stacks);
+        }
+        this.setStack(this.getStackSize(), newTop);
+        this.setStackSize(this.getStackSize() + 1);
+    }
+
+    /**
+     * Replace the value on the top of the stack with the given value.
+     */
+    private void replaceTop(final int topOfStack) {
+        this.getStack()[this.getStackSize() - 1] = topOfStack;
+    }
+
+    private void writeDeferredName() throws IOException {
+        if (deferredName != null) {
+            beforeName();
+            stringExtend(deferredName);
+            deferredName = null;
+        }
+    }
 }

src/main/java/cn/citycraft/GsonAgent/normal/stream/JsonWriterHandle.java

@@ -6,136 +6,223 @@ import java.lang.reflect.Field;
 
 import com.google.gson.stream.JsonWriter;
 
-public class JsonWriterHandle implements cn.citycraft.GsonAgent.api.stream.JsonWriter {
+import cn.citycraft.GsonAgent.api.utils.Utils;
 
-	private static String[] REPLACEMENT_CHARS;
-
-	private static String[] HTML_SAFE_REPLACEMENT_CHARS;
+public class JsonWriterHandle extends JsonWriter implements cn.citycraft.GsonAgent.api.stream.JsonWriter {
+    /*
+     * From RFC 4627, "All Unicode characters may be placed within the
+     * quotation marks except for the characters that must be escaped:
+     * quotation mark, reverse solidus, and the control characters
+     * (U+0000 through U+001F)."
+     *
+     * We also escape '\u2028' and '\u2029', which JavaScript interprets as
+     * newline characters. This prevents eval() from failing with a syntax
+     * error. http://code.google.com/p/google-gson/issues/detail?id=341
+     */
+    private static Field stackField, stackSizeField, indentField, separatorField;
 
     static {
+        final Class<JsonWriter> clzz = JsonWriter.class;
         try {
-			Field field = JsonWriter.class.getDeclaredField("REPLACEMENT_CHARS");
-			field.setAccessible(true);
-			REPLACEMENT_CHARS = (String[]) field.get(null);
-			field = JsonWriter.class.getDeclaredField("HTML_SAFE_REPLACEMENT_CHARS");
-			field.setAccessible(true);
-			HTML_SAFE_REPLACEMENT_CHARS = (String[]) field.get(null);
+            stackField = Utils.getDeclareField(clzz, "stack");
+            stackSizeField = Utils.getDeclareField(clzz, "stackSize");
+            indentField = Utils.getDeclareField(clzz, "indent");
+            separatorField = Utils.getDeclareField(clzz, "separator");
         } catch (final Exception e) {
             e.printStackTrace();
         }
     }
 
-	private final JsonWriter handle;
-
-	private Writer out;
+    /**
+     * The output data, containing at most one top-level array or object.
+     */
+    private final Writer out;
+    private String deferredName;
 
     private boolean withoutQuotes = false;
 
+    /**
+     * Creates a new instance that writes a JSON-encoded stream to {@code out}.
+     * For best performance, ensure {@link Writer} is buffered; wrapping in
+     * {@link java.io.BufferedWriter BufferedWriter} if necessary.
+     *
+     * @param out
+     */
     public JsonWriterHandle(final Writer out) {
-		this(new JsonWriter(out));
+        super(out);
         this.out = out;
     }
 
-	protected JsonWriterHandle(final JsonWriter handle) {
-		this.handle = handle;
-	}
-
+    /**
+     * Begins encoding a new array. Each call to this method must be paired with
+     * a call to {@link #endArray}.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle beginArray() throws IOException {
-		getHandle().beginArray();
-		return this;
+        writeDeferredName();
+        return open(EMPTY_ARRAY, "[");
     }
 
+    /**
+     * Begins encoding a new object. Each call to this method must be paired
+     * with a call to {@link #endObject}.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle beginObject() throws IOException {
-		getHandle().beginObject();
-		return this;
+        writeDeferredName();
+        return open(EMPTY_OBJECT, "{");
     }
 
+    /**
+     * Flushes and closes this writer and the underlying {@link Writer}.
+     *
+     * @throws IOException
+     *             if the JSON document is incomplete.
+     */
     @Override
     public void close() throws IOException {
-		getHandle().close();
+        out.close();
+        final int size = this.getStackSize();
+        if (size > 1 || size == 1 && this.getStack()[size - 1] != NONEMPTY_DOCUMENT) {
+            throw new IOException("Incomplete document");
+        }
+        this.setStackSize(0);
     }
 
+    /**
+     * Ends encoding the current array.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle endArray() throws IOException {
-		getHandle().endArray();
-		return this;
+        return close(EMPTY_ARRAY, NONEMPTY_ARRAY, "]");
     }
 
+    /**
+     * Ends encoding the current object.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle endObject() throws IOException {
-		getHandle().endObject();
+        return close(EMPTY_OBJECT, NONEMPTY_OBJECT, "}");
+    }
+
+    /**
+     * Ensures all buffered data is written to the underlying {@link Writer} and
+     * flushes that writer.
+     *
+     * @throws java.io.IOException
+     */
+    @Override
+    public void flush() throws IOException {
+        if (this.getStackSize() == 0) {
+            throw new IllegalStateException("JsonWriterHandle is closed.");
+        }
+        out.flush();
+    }
+
+    public JsonWriterHandle getHandle() {
         return this;
     }
 
-	@Override
-	public void flush() throws IOException {
-		getHandle().flush();
+    public String getIndent() {
+        return Utils.invokeStringField(this, indentField);
     }
 
-	public JsonWriter getHandle() {
-		return handle;
+    public String getSeparator() {
+        return Utils.invokeStringField(this, separatorField);
     }
 
-	@Override
-	public boolean getSerializeNulls() {
-		return getHandle().getSerializeNulls();
+    public int[] getStack() {
+        return Utils.invokeIntArrayField(this, stackField);
     }
 
-	@Override
-	public boolean isHtmlSafe() {
-		return getHandle().isHtmlSafe();
-	}
-
-	@Override
-	public boolean isLenient() {
-		return getHandle().isLenient();
+    public int getStackSize() {
+        return Utils.invokeIntField(this, stackSizeField);
     }
 
+    /**
+     * Encodes the property name.
+     *
+     * @param name
+     *            the name of the forthcoming value. May not be null.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle name(final String name) throws IOException {
-		getHandle().name(name);
+        if (name == null) {
+            throw new NullPointerException("name == null");
+        }
+        if (deferredName != null) {
+            throw new IllegalStateException();
+        }
+        if (this.getStackSize() == 0) {
+            throw new IllegalStateException("JsonWriterHandle is closed.");
+        }
+        deferredName = name;
         withoutQuotes = false;
         return this;
     }
 
     @Override
     public JsonWriterHandle nameWithoutQuotes(final String name) throws IOException {
-		getHandle().name(name);
+        this.name(name);
         withoutQuotes = true;
         return this;
     }
 
+    /**
+     * Encodes {@code null}.
+     *
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle nullValue() throws IOException {
-		getHandle().nullValue();
+        if (deferredName != null) {
+            if (this.getSerializeNulls()) {
+                writeDeferredName();
+            } else {
+                deferredName = null;
+                return this; // skip the name and the value
+            }
+        }
+        beforeValue(false);
+        out.write("null");
         return this;
     }
 
-	@Override
-	public void setHtmlSafe(final boolean htmlSafe) {
-		getHandle().setHtmlSafe(htmlSafe);
+    public void setSeparator(final String separator) {
+        Utils.modifyField(this, separatorField, separator);
     }
 
-	@Override
-	public void setIndent(final String indent) {
-		getHandle().setIndent(indent);
+    public void setStack(final int index, final int value) {
+        final int[] newStack = this.getStack();
+        newStack[index] = value;
+        this.setStack(newStack);
     }
 
-	@Override
-	public void setLenient(final boolean lenient) {
-		getHandle().setLenient(lenient);
+    public void setStack(final int[] stack) {
+        Utils.modifyField(this, stackField, stack);
     }
 
-	@Override
-	public void setSerializeNulls(final boolean serializeNulls) {
-		getHandle().setSerializeNulls(serializeNulls);
+    public void setStackSize(final int stackSize) {
+        Utils.modifyField(this, stackSizeField, stackSize);
     }
 
-	@Override
-	public void string(final String value) throws IOException {
-		final String[] replacements = getHandle().isHtmlSafe() ? HTML_SAFE_REPLACEMENT_CHARS : REPLACEMENT_CHARS;
+    public void stringExtend(final String value) throws IOException {
+        final String[] replacements = this.isHtmlSafe() ? Utils.HTML_SAFE_REPLACEMENT_CHARS : Utils.REPLACEMENT_CHARS;
         if (!this.withoutQuotes) {
             this.out.write("\"");
         }
@@ -144,30 +231,26 @@ public class JsonWriterHandle implements cn.citycraft.GsonAgent.api.stream.JsonW
         for (int i = 0; i < length; i++) {
             final char c = value.charAt(i);
             String replacement;
-			if (c < '€') {
+            if (c < 128) {
                 replacement = replacements[c];
                 if (replacement == null) {
                     continue;
                 }
-			} else {
-				if (c == '
') {
+            } else if (c == '\u2028') {
                 replacement = "\\u2028";
+            } else if (c == '\u2029') {
+                replacement = "\\u2029";
             } else {
-					if (c != '
') {
                 continue;
             }
-					replacement = "\\u2029";
-				}
-			}
-
             if (last < i) {
-				this.out.write(value, last, i - last);
+                out.write(value, last, i - last);
             }
-			this.out.write(replacement);
+            out.write(replacement);
             last = i + 1;
         }
         if (last < length) {
-			this.out.write(value, last, length - last);
+            out.write(value, last, length - last);
         }
         if (!this.withoutQuotes) {
             this.out.write("\"");
@@ -175,34 +258,229 @@ public class JsonWriterHandle implements cn.citycraft.GsonAgent.api.stream.JsonW
         withoutQuotes = false;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final boolean value) throws IOException {
-		getHandle().value(value);
+        writeDeferredName();
+        beforeValue(false);
+        out.write(value ? "true" : "false");
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     *            a finite value. May not be {@link Double#isNaN() NaNs} or
+     *            {@link Double#isInfinite() infinities}.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final double value) throws IOException {
-		getHandle().value(value);
+        if (Double.isNaN(value) || Double.isInfinite(value)) {
+            throw new IllegalArgumentException("Numeric values must be finite, but was " + value);
+        }
+        writeDeferredName();
+        beforeValue(false);
+        out.append(Double.toString(value));
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final long value) throws IOException {
-		getHandle().value(value);
+        writeDeferredName();
+        beforeValue(false);
+        out.write(Long.toString(value));
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     *            a finite value. May not be {@link Double#isNaN() NaNs} or
+     *            {@link Double#isInfinite() infinities}.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final Number value) throws IOException {
-		getHandle().value(value);
+        if (value == null) {
+            return nullValue();
+        }
+        writeDeferredName();
+        final String string = value.toString();
+        if (!this.isLenient() && (string.equals("-Infinity") || string.equals("Infinity") || string.equals("NaN"))) {
+            throw new IllegalArgumentException("Numeric values must be finite, but was " + value);
+        }
+        beforeValue(false);
+        out.append(string);
         return this;
     }
 
+    /**
+     * Encodes {@code value}.
+     *
+     * @param value
+     *            the literal string value, or null to encode a null literal.
+     * @return this writer.
+     * @throws java.io.IOException
+     */
     @Override
     public JsonWriterHandle value(final String value) throws IOException {
-		getHandle().value(value);
+        if (value == null) {
+            return nullValue();
+        }
+        writeDeferredName();
+        beforeValue(false);
+        stringExtend(value);
         return this;
     }
 
+    /**
+     * Inserts any necessary separators and whitespace before a name. Also
+     * adjusts the stack to expect the name's value.
+     */
+    private void beforeName() throws IOException {
+        final int context = peek();
+        if (context == NONEMPTY_OBJECT) { // first in object
+            out.write(',');
+        } else if (context != EMPTY_OBJECT) { // not in an object!
+            throw new IllegalStateException("Nesting problem.");
+        }
+        newline();
+        replaceTop(DANGLING_NAME);
+    }
+
+    /**
+     * Inserts any necessary separators and whitespace before a literal value,
+     * inline array, or inline object. Also adjusts the stack to expect either a
+     * closing bracket or another element.
+     *
+     * @param root
+     *            true if the value is a new array or object, the two values
+     *            permitted as top-level elements.
+     */
+    @SuppressWarnings("fallthrough")
+    private void beforeValue(final boolean root) throws IOException {
+        switch (peek()) {
+        case NONEMPTY_DOCUMENT:
+            if (!this.isLenient()) {
+                throw new IllegalStateException("JSON must have only one top-level value.");
+            }
+            // fall-through
+        case EMPTY_DOCUMENT: // first in document
+            if (!this.isLenient() && !root) {
+                throw new IllegalStateException("JSON must start with an array or an object.");
+            }
+            replaceTop(NONEMPTY_DOCUMENT);
+            break;
+        case EMPTY_ARRAY: // first in array
+            replaceTop(NONEMPTY_ARRAY);
+            newline();
+            break;
+        case NONEMPTY_ARRAY: // another in array
+            out.append(',');
+            newline();
+            break;
+        case DANGLING_NAME: // value for name
+            out.append(this.getSeparator());
+            replaceTop(NONEMPTY_OBJECT);
+            break;
+        default:
+            throw new IllegalStateException("Nesting problem.");
+        }
+    }
+
+    /**
+     * Closes the current scope by appending any necessary whitespace and the
+     * given bracket.
+     */
+    private JsonWriterHandle close(final int empty, final int nonempty, final String closeBracket) throws IOException {
+        final int context = peek();
+        if (context != nonempty && context != empty) {
+            throw new IllegalStateException("Nesting problem.");
+        }
+        if (deferredName != null) {
+            throw new IllegalStateException("Dangling name: " + deferredName);
+        }
+        this.setStackSize(this.getStackSize() - 1);
+        if (context == nonempty) {
+            newline();
+        }
+        out.write(closeBracket);
+        return this;
+    }
+
+    private void newline() throws IOException {
+        if (this.getIndent() == null) {
+            return;
+        }
+        out.write("\n");
+        for (int i = 1, size = this.getStackSize(); i < size; i++) {
+            out.write(this.getIndent());
+        }
+    }
+
+    /**
+     * Enters a new scope by appending any necessary whitespace and the given
+     * bracket.
+     */
+    private JsonWriterHandle open(final int empty, final String openBracket) throws IOException {
+        beforeValue(true);
+        push(empty);
+        out.write(openBracket);
+        return this;
+    }
+
+    /**
+     * Returns the value on the top of the stack.
+     */
+    private int peek() {
+        if (this.getStackSize() == 0) {
+            throw new IllegalStateException("JsonWriterHandle is closed.");
+        }
+        return this.getStack()[this.getStackSize() - 1];
+    }
+
+    private void push(final int newTop) {
+        int[] stacks = this.getStack();
+        if (this.getStackSize() == stacks.length) {
+            final int[] newStack = new int[stacks.length * 2];
+            System.arraycopy(stacks, 0, newStack, 0, stacks.length);
+            stacks = newStack;
+            this.setStack(stacks);
+        }
+        this.setStack(this.getStackSize(), newTop);
+        this.setStackSize(this.getStackSize() + 1);
+    }
+
+    /**
+     * Replace the value on the top of the stack with the given value.
+     */
+    private void replaceTop(final int topOfStack) {
+        this.getStack()[this.getStackSize() - 1] = topOfStack;
+    }
+
+    private void writeDeferredName() throws IOException {
+        if (deferredName != null) {
+            beforeName();
+            stringExtend(deferredName);
+            deferredName = null;
+        }
+    }
 }