Merge pull request #32 from StaticDefault/master

Increase writer performance

Author: StaticDefaultTester2

src/main/java/com/realtimetech/kson/element/JsonArray.java

@@ -1,9 +1,9 @@
 package com.realtimetech.kson.element;
 
+import java.io.IOException;
 import java.util.ArrayList;
 
 import com.realtimetech.kson.annotation.Ignore;
-import com.realtimetech.kson.writer.KsonWriter;
 
 public class JsonArray extends ArrayList<Object> implements JsonValue {
 
@@ -12,22 +12,18 @@ public class JsonArray extends ArrayList<Object> implements JsonValue {
 	 */
 	private static final long serialVersionUID = 5513748119461105760L;
 
-	@Ignore
-	protected KsonWriter ksonWriter = null;
-
 	@Override
-	public String toString(boolean useKsonStandard) {
-		if (ksonWriter == null)
-			this.ksonWriter = new KsonWriter();
-
-		this.ksonWriter.setUseKson(useKsonStandard);
-
-		return this.ksonWriter.toString(this);
+	public String toString(boolean useKsonStandard) throws IOException {
+		return WRITER_POOL.writer().toString(this, useKsonStandard);
 	}
 
 	@Override
 	public String toString() {
-		return toKsonString();
+		try {
+			return toKsonString();
+		} catch (IOException e) {
+			return null;
+		}
 	}
 
 	@Ignore

src/main/java/com/realtimetech/kson/element/JsonObject.java

@@ -1,27 +1,28 @@
 package com.realtimetech.kson.element;
 
+import java.io.IOException;
 import java.util.HashMap;
 
 import com.realtimetech.kson.annotation.Ignore;
-import com.realtimetech.kson.writer.KsonWriter;
 
 public class JsonObject extends HashMap<Object, Object> implements JsonValue {
 	/**
 	 * 기본 Serial UID
 	 */
 	private static final long serialVersionUID = -6357620110797218097L;
 
-	@Ignore
-	protected KsonWriter ksonWriter = null;
-
 	@Override
-	public String toString(boolean useKsonStandard) {
-		if (ksonWriter == null)
-			this.ksonWriter = new KsonWriter();
-
-		this.ksonWriter.setUseKson(useKsonStandard);
+	public String toString(boolean useKsonStandard) throws IOException {
+		return WRITER_POOL.writer().toString(this, useKsonStandard);
+	}
 
-		return this.ksonWriter.toString(this);
+	@Override
+	public String toString() {
+		try {
+			return toKsonString();
+		} catch (IOException e) {
+			return null;
+		}
 	}
 
 	@Override
@@ -80,11 +81,6 @@ public boolean containsKey(Object key) {
 		return result;
 	}
 
-	@Override
-	public String toString() {
-		return toKsonString();
-	}
-
 	@Ignore
 	private int unique = RANDOM.nextInt();
 

src/main/java/com/realtimetech/kson/element/JsonValue.java

@@ -1,23 +1,28 @@
 package com.realtimetech.kson.element;
 
+import java.io.IOException;
 import java.util.Random;
 
+import com.realtimetech.kson.builder.KsonBuilder;
+import com.realtimetech.kson.util.pool.KsonPool;
+
 public interface JsonValue {
 	static final Random RANDOM = new Random();
+	static final KsonPool WRITER_POOL = new KsonPool(new KsonBuilder());
 
-	default public String toKsonString() {
+	default public String toKsonString() throws IOException {
 		return toString(true);
 	}
 
-	default public String toJsonString() {
+	default public String toJsonString() throws IOException {
 		return toString(false);
 	}
 
 	public int unique();
 
 	public void unique(int unique);
 
-	public String toString(boolean useKsonStandard);
+	public String toString(boolean useKsonStandard)throws IOException ;
 
 	public int actualHash();
 }

src/main/java/com/realtimetech/kson/util/string/StringWriter.java

@@ -0,0 +1,76 @@
+package com.realtimetech.kson.util.string;
+
+public class StringWriter {
+	private int raiseSize;
+
+	private char[] chars;
+
+	private int currentIndex;
+	private int scope;
+
+	private int currentSize;
+
+	public StringWriter() {
+		this(1024);
+	}
+
+	public StringWriter(int raiseSize) {
+		this.raiseSize = raiseSize;
+		this.currentIndex = -1;
+		this.scope = 0;
+		this.currentSize = 0;
+
+		this.raise(0);
+	}
+
+	private void raise(int needSize) {
+		this.scope = needSize / raiseSize;
+
+		char[] oldObjects = this.chars;
+
+		this.currentSize = (this.scope + 1) * this.raiseSize;
+		this.chars = new char[this.currentSize];
+
+		if (oldObjects != null) {
+			System.arraycopy(oldObjects, 0, this.chars, 0, currentIndex + 1);
+		}
+	}
+
+	public void write(char object) {
+		int need = this.currentIndex + 1;
+		if (need >= this.currentSize) {
+			raise(need);
+		}
+
+		this.currentIndex = need;
+
+		this.chars[this.currentIndex] = object;
+	}
+
+	
+	public void write(char[] src) {
+		this.write(src, 0, src.length);
+	}
+
+	public void write(char[] src, int offset, int length) {
+		int size = length - offset;
+		int need = this.currentIndex + size;
+		if (need >= this.currentSize) {
+			raise(need);
+		}
+
+		for (int index = 1; index <= size; index++) {
+			this.chars[this.currentIndex + index] = src[offset + index - 1];
+		}
+
+		this.currentIndex = need;
+	}
+
+	public void reset() {
+		this.currentIndex = -1;
+	}
+
+	public String toString() {
+		return new String(this.chars, 0, this.currentIndex + 1);
+	}
+}