package com.alibaba.fastjson.serializer;
import java.awt.Rectangle;
import java.io.IOException;
import java.lang.reflect.Type;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.parser.DefaultJSONParser;
import com.alibaba.fastjson.parser.JSONLexer;
import com.alibaba.fastjson.parser.JSONToken;
import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
public class RectangleCodec implements ObjectSerializer, ObjectDeserializer {
public final static RectangleCodec instance = new RectangleCodec();
public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType) throws IOException {
SerializeWriter out = serializer.getWriter();
Rectangle rectangle = (Rectangle) object;
if (rectangle == null) {
out.writeNull();
return;
}
char sep = '{';
if (out.isEnabled(SerializerFeature.WriteClassName)) {
out.write('{');
out.writeFieldName(JSON.DEFAULT_TYPE_KEY);
out.writeString(Rectangle.class.getName());
sep = ',';
}
out.writeFieldValue(sep, "x", rectangle.getX());
out.writeFieldValue(',', "y", rectangle.getY());
out.writeFieldValue(',', "width", rectangle.getWidth());
out.writeFieldValue(',', "height", rectangle.getHeight());
out.write('}');
}
@SuppressWarnings("unchecked")
public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
JSONLexer lexer = parser.getLexer();
if (lexer.token() == JSONToken.NULL) {
lexer.nextToken();
return null;
}
if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
throw new JSONException("syntax error");
}
lexer.nextToken();
int x = 0, y = 0, width = 0, height = 0;
for (;;) {
if (lexer.token() == JSONToken.RBRACE) {
lexer.nextToken();
break;
}
String key;
if (lexer.token() == JSONToken.LITERAL_STRING) {
key = lexer.stringVal();
lexer.nextTokenWithColon(JSONToken.LITERAL_INT);
} else {
throw new JSONException("syntax error");
}
int val;
if (lexer.token() == JSONToken.LITERAL_INT) {
val = lexer.intValue();
lexer.nextToken();
} else {
throw new JSONException("syntax error");
}
if (key.equalsIgnoreCase("x")) {
x = val;
} else if (key.equalsIgnoreCase("y")) {
y = val;
} else if (key.equalsIgnoreCase("width")) {
width = val;
} else if (key.equalsIgnoreCase("height")) {
height = val;
} else {
throw new JSONException("syntax error, " + key);
}
if (lexer.token() == JSONToken.COMMA) {
lexer.nextToken(JSONToken.LITERAL_STRING);
}
}
return (T) new Rectangle(x, y, width, height);
}
public int getFastMatchToken() {
return JSONToken.LBRACE;
}
}