package com.alibaba.fastjson.parser.deserializer;
import java.awt.Rectangle;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.Set;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.parser.DefaultJSONParser;
import com.alibaba.fastjson.parser.JSONLexer;
import com.alibaba.fastjson.parser.JSONToken;
public class RectangleDeserializer implements AutowiredObjectDeserializer {
public final static RectangleDeserializer instance = new RectangleDeserializer();
@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;
}
public Set<Type> getAutowiredFor() {
return Collections.<Type>singleton(Rectangle.class);
}
}