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src/main/java/com/alibaba/fastjson/serializer/AwtCodec.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,315 @@ | ||
| package com.alibaba.fastjson.serializer; | ||
|
|
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| import java.awt.Color; | ||
| import java.awt.Font; | ||
| import java.awt.Point; | ||
| import java.awt.Rectangle; | ||
| import java.io.IOException; | ||
| import java.lang.reflect.Type; | ||
|
|
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| 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; | ||
|
|
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| public class AwtCodec implements ObjectSerializer, ObjectDeserializer { | ||
|
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| public final static AwtCodec instance = new AwtCodec(); | ||
|
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| public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType, | ||
| int features) throws IOException { | ||
| SerializeWriter out = serializer.getWriter(); | ||
|
|
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| if (object == null) { | ||
| out.writeNull(); | ||
| return; | ||
| } | ||
|
|
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| char sep = '{'; | ||
|
|
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| if (object instanceof Point) { | ||
| Point font = (Point) object; | ||
|
|
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| sep = writeClassName(out, Point.class, sep); | ||
|
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| out.writeFieldValue(sep, "x", font.getX()); | ||
| out.writeFieldValue(',', "y", font.getY()); | ||
| } else if (object instanceof Font) { | ||
| Font font = (Font) object; | ||
|
|
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| sep = writeClassName(out, Font.class, sep); | ||
|
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| out.writeFieldValue(sep, "name", font.getName()); | ||
| out.writeFieldValue(',', "style", font.getStyle()); | ||
| out.writeFieldValue(',', "size", font.getSize()); | ||
| } else if (object instanceof Rectangle) { | ||
| Rectangle rectangle = (Rectangle) object; | ||
|
|
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| sep = writeClassName(out, Rectangle.class, sep); | ||
|
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| out.writeFieldValue(sep, "x", rectangle.getX()); | ||
| out.writeFieldValue(',', "y", rectangle.getY()); | ||
| out.writeFieldValue(',', "width", rectangle.getWidth()); | ||
| out.writeFieldValue(',', "height", rectangle.getHeight()); | ||
| } else if (object instanceof Color) { | ||
| Color color = (Color) object; | ||
|
|
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| sep = writeClassName(out, Color.class, sep); | ||
|
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| out.writeFieldValue(sep, "r", color.getRed()); | ||
| out.writeFieldValue(',', "g", color.getGreen()); | ||
| out.writeFieldValue(',', "b", color.getBlue()); | ||
| if (color.getAlpha() > 0) { | ||
| out.writeFieldValue(',', "alpha", color.getAlpha()); | ||
| } | ||
| } else { | ||
| throw new JSONException("not support awt class : " + object.getClass().getName()); | ||
| } | ||
|
|
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| out.write('}'); | ||
|
|
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| } | ||
|
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| protected char writeClassName(SerializeWriter out, Class<?> clazz, char sep) { | ||
| if (out.isEnabled(SerializerFeature.WriteClassName)) { | ||
| out.write('{'); | ||
| out.writeFieldName(JSON.DEFAULT_TYPE_KEY); | ||
| out.writeString(clazz.getName()); | ||
| sep = ','; | ||
| } | ||
| return sep; | ||
| } | ||
|
|
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| @SuppressWarnings("unchecked") | ||
|
|
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| public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) { | ||
| JSONLexer lexer = parser.getLexer(); | ||
|
|
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| if (lexer.token() == JSONToken.NULL) { | ||
| lexer.nextToken(JSONToken.COMMA); | ||
| return null; | ||
| } | ||
|
|
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| if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) { | ||
| throw new JSONException("syntax error"); | ||
| } | ||
| lexer.nextToken(); | ||
|
|
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| if (type == Point.class) { | ||
| return (T) parsePoint(parser); | ||
| } | ||
|
|
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| if (type == Rectangle.class) { | ||
| return (T) parseRectangle(parser); | ||
| } | ||
|
|
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| if (type == Color.class) { | ||
| return (T) parseColor(parser); | ||
| } | ||
|
|
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| if (type == Font.class) { | ||
| return (T) parseFont(parser); | ||
| } | ||
|
|
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| throw new JSONException("not support awt class : " + type); | ||
| } | ||
|
|
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| protected Font parseFont(DefaultJSONParser parser) { | ||
| JSONLexer lexer = parser.getLexer(); | ||
|
|
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| int size = 0, style = 0; | ||
| String name = null; | ||
| 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"); | ||
| } | ||
|
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|
|
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| if (key.equalsIgnoreCase("name")) { | ||
| if (lexer.token() == JSONToken.LITERAL_STRING) { | ||
| name = lexer.stringVal(); | ||
| lexer.nextToken(); | ||
| } else { | ||
| throw new JSONException("syntax error"); | ||
| } | ||
| } else if (key.equalsIgnoreCase("style")) { | ||
| if (lexer.token() == JSONToken.LITERAL_INT) { | ||
| style = lexer.intValue(); | ||
| lexer.nextToken(); | ||
| } else { | ||
| throw new JSONException("syntax error"); | ||
| } | ||
| } else if (key.equalsIgnoreCase("size")) { | ||
| if (lexer.token() == JSONToken.LITERAL_INT) { | ||
| size = lexer.intValue(); | ||
| lexer.nextToken(); | ||
| } else { | ||
| throw new JSONException("syntax error"); | ||
| } | ||
| } else { | ||
| throw new JSONException("syntax error, " + key); | ||
| } | ||
|
|
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| if (lexer.token() == JSONToken.COMMA) { | ||
| lexer.nextToken(JSONToken.LITERAL_STRING); | ||
| } | ||
| } | ||
|
|
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| return new Font(name, style, size); | ||
| } | ||
|
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| protected Color parseColor(DefaultJSONParser parser) { | ||
| JSONLexer lexer = parser.getLexer(); | ||
|
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| int r = 0, g = 0, b = 0, alpha = 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"); | ||
| } | ||
|
|
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| int val; | ||
| if (lexer.token() == JSONToken.LITERAL_INT) { | ||
| val = lexer.intValue(); | ||
| lexer.nextToken(); | ||
| } else { | ||
| throw new JSONException("syntax error"); | ||
| } | ||
|
|
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| if (key.equalsIgnoreCase("r")) { | ||
| r = val; | ||
| } else if (key.equalsIgnoreCase("g")) { | ||
| g = val; | ||
| } else if (key.equalsIgnoreCase("b")) { | ||
| b = val; | ||
| } else if (key.equalsIgnoreCase("alpha")) { | ||
| alpha = val; | ||
| } else { | ||
| throw new JSONException("syntax error, " + key); | ||
| } | ||
|
|
||
| if (lexer.token() == JSONToken.COMMA) { | ||
| lexer.nextToken(JSONToken.LITERAL_STRING); | ||
| } | ||
| } | ||
|
|
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| return new Color(r, g, b, alpha); | ||
| } | ||
|
|
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| protected Rectangle parseRectangle(DefaultJSONParser parser) { | ||
| JSONLexer lexer = parser.getLexer(); | ||
|
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| 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"); | ||
| } | ||
|
|
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| int val; | ||
| if (lexer.token() == JSONToken.LITERAL_INT) { | ||
| val = lexer.intValue(); | ||
| lexer.nextToken(); | ||
| } else { | ||
| throw new JSONException("syntax error"); | ||
| } | ||
|
|
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| 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); | ||
| } | ||
|
|
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| if (lexer.token() == JSONToken.COMMA) { | ||
| lexer.nextToken(JSONToken.LITERAL_STRING); | ||
| } | ||
| } | ||
|
|
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| return new Rectangle(x, y, width, height); | ||
| } | ||
|
|
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| protected Point parsePoint(DefaultJSONParser parser) { | ||
| JSONLexer lexer = parser.getLexer(); | ||
|
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| int x = 0, y = 0; | ||
| for (;;) { | ||
| if (lexer.token() == JSONToken.RBRACE) { | ||
| lexer.nextToken(); | ||
| break; | ||
| } | ||
|
|
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| String key; | ||
| if (lexer.token() == JSONToken.LITERAL_STRING) { | ||
| key = lexer.stringVal(); | ||
|
|
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| if (JSON.DEFAULT_TYPE_KEY.equals(key)) { | ||
| parser.acceptType("java.awt.Point"); | ||
| continue; | ||
| } | ||
|
|
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| lexer.nextTokenWithColon(JSONToken.LITERAL_INT); | ||
| } else { | ||
| throw new JSONException("syntax error"); | ||
| } | ||
|
|
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| int val; | ||
| if (lexer.token() == JSONToken.LITERAL_INT) { | ||
| val = lexer.intValue(); | ||
| lexer.nextToken(); | ||
| } else { | ||
| throw new JSONException("syntax error : " + lexer.tokenName()); | ||
| } | ||
|
|
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| if (key.equalsIgnoreCase("x")) { | ||
| x = val; | ||
| } else if (key.equalsIgnoreCase("y")) { | ||
| y = val; | ||
| } else { | ||
| throw new JSONException("syntax error, " + key); | ||
| } | ||
|
|
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| if (lexer.token() == JSONToken.COMMA) { | ||
| lexer.nextToken(JSONToken.LITERAL_STRING); | ||
| } | ||
| } | ||
|
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| return new Point(x, y); | ||
| } | ||
|
|
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| public int getFastMatchToken() { | ||
| return JSONToken.LBRACE; | ||
| } | ||
| } |
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