Package com.alibaba.fastjson.parser

Examples of com.alibaba.fastjson.parser.JSONLexer

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        return (T) deserialze(parser);
    }

    @SuppressWarnings("unchecked")
    public static <T> T deserialze(DefaultJSONParser parser) {
        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.LITERAL_INT) {
            long val = lexer.longValue();
            lexer.nextToken(JSONToken.COMMA);
            return (T) new BigDecimal(val);
        }

        if (lexer.token() == JSONToken.LITERAL_FLOAT) {
            BigDecimal val = lexer.decimalValue();
            lexer.nextToken(JSONToken.COMMA);
            return (T) val;
        }

        Object value = parser.parse();
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                                  ObjectDeserializer deser, //
                                  DefaultJSONParser parser, //
                                  Type type, //
                                  Object fieldName) {

        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken(JSONToken.COMMA);
        }

        parser.accept(JSONToken.LBRACKET, JSONToken.LBRACKET);

        int index = 0;
        for (;;) {
            Object item = deser.deserialze(parser, type, index);
            collection.add(item);
            index++;
            if (lexer.token() == JSONToken.COMMA) {
                lexer.nextToken(JSONToken.LBRACKET);
            } else {
                break;
            }
        }
        parser.accept(JSONToken.RBRACKET, JSONToken.COMMA);
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        return (T) deserialze(parser);
    }
   
    @SuppressWarnings("unchecked")
    public static <T> T deserialze(DefaultJSONParser parser) {
        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.LITERAL_STRING) {
            String val = lexer.stringVal();
            lexer.nextToken(JSONToken.COMMA);
            return (T) val;
        }
       
        if (lexer.token() == JSONToken.LITERAL_INT) {
            String val = lexer.numberString();
            lexer.nextToken(JSONToken.COMMA);
            return (T) val;
        }

        Object value = parser.parse();
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        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());

        JSONArray array;

        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            array = null;
        } else if (lexer.token() == JSONToken.EOF) {
            array = null;
        } else {
            array = new JSONArray();
            parser.parseArray(array);
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        }

        List<T> list;

        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());
        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            list = null;
        } else {
            list = new ArrayList<T>();
            parser.parseArray(clazz, list);
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        }
    }
   
    @SuppressWarnings("unchecked")
    public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
        final JSONLexer lexer = parser.getLexer();

        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken(JSONToken.COMMA);
            return null;
        }

        Integer intObj;
        if (lexer.token() == JSONToken.LITERAL_INT) {
            int val = lexer.intValue();
            lexer.nextToken(JSONToken.COMMA);
            intObj = Integer.valueOf(val);
        } else if (lexer.token() == JSONToken.LITERAL_FLOAT) {
            BigDecimal decimalValue = lexer.decimalValue();
            lexer.nextToken(JSONToken.COMMA);
            intObj = Integer.valueOf(decimalValue.intValue());
        } else {
            Object value = parser.parse();

            intObj = TypeUtils.castToInt(value);
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        return (T) deserialze(parser);
    }

    @SuppressWarnings("unchecked")
    public static <T> T deserialze(DefaultJSONParser parser) {
        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.LITERAL_INT) {
            String val = lexer.numberString();
            lexer.nextToken(JSONToken.COMMA);
            return (T) Float.valueOf(Float.parseFloat(val));
        }

        if (lexer.token() == JSONToken.LITERAL_FLOAT) {
            float val = lexer.floatValue();
            lexer.nextToken(JSONToken.COMMA);
            return (T) Float.valueOf(val);
        }

        Object value = parser.parse();
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        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());

        JSONArray array;

        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            array = null;
        } else if (lexer.token() == JSONToken.EOF) {
            array = null;
        } else {
            array = new JSONArray();
            parser.parseArray(array);
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        }

        List<T> list;

        DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());
        JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            list = null;
        } else {
            list = new ArrayList<T>();
            parser.parseArray(clazz, list);
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    @SuppressWarnings("unchecked")
    public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
        JSONLexer lexer = parser.getLexer();
       
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken(JSONToken.COMMA);
            return null;
        }
       
        if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
            throw new JSONException("syntax error");
        }
        lexer.nextToken();

        int x = 0, y = 0;
        for (;;) {
            if (lexer.token() == JSONToken.RBRACE) {
                lexer.nextToken();
                break;
            }

            String key;
            if (lexer.token() == JSONToken.LITERAL_STRING) {
                key = lexer.stringVal();
               
                if (JSON.DEFAULT_TYPE_KEY.equals(key)) {
                    parser.acceptType("java.awt.Point");
                    continue;
                }
               
                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 : " + lexer.tokenName());
            }

            if (key.equalsIgnoreCase("x")) {
                x = val;
            } else if (key.equalsIgnoreCase("y")) {
                y = val;
            } else {
                throw new JSONException("syntax error, " + key);
            }

            if (lexer.token() == JSONToken.COMMA) {
                lexer.nextToken(JSONToken.LITERAL_STRING);
            }
        }

        return (T) new Point(x, y);
    }
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Related Classes of com.alibaba.fastjson.parser.JSONLexer

  • com.alibaba.fastjson.JSON
  • com.alibaba.fastjson.parser.deserializer.AbstractDateDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayListStringDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayListStringFieldDeserializer
  • com.alibaba.fastjson.parser.deserializer.ArrayListTypeFieldDeserializer
  • com.alibaba.fastjson.parser.deserializer.ASMJavaBeanDeserializer
  • com.alibaba.fastjson.parser.deserializer.BigDecimalDeserializer
  • com.alibaba.fastjson.parser.deserializer.BigIntegerDeserializer
  • com.alibaba.fastjson.parser.deserializer.BooleanDeserializer
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