Package com.alibaba.fastjson.parser

Examples of com.alibaba.fastjson.parser.JSONLexer

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    public final static StackTraceElementDeserializer instance = new StackTraceElementDeserializer();

    @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: " + JSONToken.name(lexer.token()));
        }

        String declaringClass = null;
        String methodName = null;
        String fileName = null;
        int lineNumber = 0;

        for (;;) {
            // lexer.scanSymbol
            String key = lexer.scanSymbol(parser.getSymbolTable());

            if (key == null) {
                if (lexer.token() == JSONToken.RBRACE) {
                    lexer.nextToken(JSONToken.COMMA);
                    break;
                }
                if (lexer.token() == JSONToken.COMMA) {
                    if (lexer.isEnabled(Feature.AllowArbitraryCommas)) {
                        continue;
                    }
                }
            }

            lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
            if (key == "className") {
                if (lexer.token() == JSONToken.NULL) {
                    declaringClass = null;
                } else if (lexer.token() == JSONToken.LITERAL_STRING) {
                    declaringClass = lexer.stringVal();
                } else {
                    throw new JSONException("syntax error");
                }
            } else if (key == "methodName") {
                if (lexer.token() == JSONToken.NULL) {
                    methodName = null;
                } else if (lexer.token() == JSONToken.LITERAL_STRING) {
                    methodName = lexer.stringVal();
                } else {
                    throw new JSONException("syntax error");
                }
            } else if (key == "fileName") {
                if (lexer.token() == JSONToken.NULL) {
                    fileName = null;
                } else if (lexer.token() == JSONToken.LITERAL_STRING) {
                    fileName = lexer.stringVal();
                } else {
                    throw new JSONException("syntax error");
                }
            } else if (key == "lineNumber") {
                if (lexer.token() == JSONToken.NULL) {
                    lineNumber = 0;
                } else if (lexer.token() == JSONToken.LITERAL_INT) {
                    lineNumber = lexer.intValue();
                } else {
                    throw new JSONException("syntax error");
                }
            } else if (key == "nativeMethod") {
                if (lexer.token() == JSONToken.NULL) {
                    lexer.nextToken(JSONToken.COMMA);
                } else if (lexer.token() == JSONToken.TRUE) {
                    lexer.nextToken(JSONToken.COMMA);
                } else if (lexer.token() == JSONToken.FALSE) {
                    lexer.nextToken(JSONToken.COMMA);
                } else {
                    throw new JSONException("syntax error");
                }
            } else if (key == JSON.DEFAULT_TYPE_KEY) {
               if (lexer.token() == JSONToken.LITERAL_STRING) {
                    String elementType = lexer.stringVal();
                    if (!elementType.equals("java.lang.StackTraceElement")) {
                        throw new JSONException("syntax error : " + elementType);   
                    }
                } else {
                    if (lexer.token() != JSONToken.NULL) {
                        throw new JSONException("syntax error");
                    }
                }
            } else {
                throw new JSONException("syntax error : " + key);
            }

            if (lexer.token() == JSONToken.RBRACE) {
                lexer.nextToken(JSONToken.COMMA);
                break;
            }
        }
        return (T) new StackTraceElement(declaringClass, methodName, fileName, lineNumber);
    }
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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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    @Override
    public void parseField(DefaultJSONParser parser, Object object, Type objectType, Map<String, Object> fieldValues) {
        Long value;
       
        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.LITERAL_INT) {
            long val = lexer.longValue();
            lexer.nextToken(JSONToken.COMMA);
            if (object == null) {
                fieldValues.put(fieldInfo.getName(), val);
            } else {
                setValue(object, val);
            }
            return;
        } else if (lexer.token() == JSONToken.NULL) {
            value = null;
            lexer.nextToken(JSONToken.COMMA);
        } else {
            Object obj = parser.parse();

            value = TypeUtils.castToLong(obj);
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                    itemTypeDeser = parser.getConfig().getDeserializer(itemType);
                }
            }
        }

        final JSONLexer lexer = parser.getLexer();

        if (lexer.token() != JSONToken.LBRACKET) {
            String errorMessage = "exepct '[', but " + JSONToken.name(lexer.token());
            if (objectType != null) {
                errorMessage += ", type : " + objectType;
            }
            throw new JSONException(errorMessage);
        }

        if (itemTypeDeser == null) {
            itemTypeDeser = deserializer = parser.getConfig().getDeserializer(itemType);
            itemFastMatchToken = deserializer.getFastMatchToken();
        }

        lexer.nextToken(itemFastMatchToken);

        for (int i = 0;; ++i) {
            if (lexer.isEnabled(Feature.AllowArbitraryCommas)) {
                while (lexer.token() == JSONToken.COMMA) {
                    lexer.nextToken();
                    continue;
                }
            }

            if (lexer.token() == JSONToken.RBRACKET) {
                break;
            }

            Object val = itemTypeDeser.deserialze(parser, itemType, i);
            array.add(val);

            parser.checkListResolve(array);

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

        lexer.nextToken(JSONToken.COMMA);
    }
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    public final static ArrayDeserializer instance = new ArrayDeserializer();

    @SuppressWarnings({ "unchecked", "rawtypes" })
    public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken(JSONToken.COMMA);
            return null;
        }

        if (lexer.token() == JSONToken.LITERAL_STRING) {
            byte[] bytes = lexer.bytesValue();
            lexer.nextToken(JSONToken.COMMA);
            return (T) bytes;
        }

        Class componentClass;
        Type componentType;
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    @Override
    public void parseField(DefaultJSONParser parser, Object object, Type objectType, Map<String, Object> fieldValues) {
        String value;

        final JSONLexer lexer = parser.getLexer();
        if (lexer.token() == JSONToken.LITERAL_STRING) {
            value = lexer.stringVal();
            lexer.nextToken(JSONToken.COMMA);
        } else {

            Object obj = parser.parse();

            if (obj == null) {
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public abstract class AbstractDateDeserializer implements ObjectDeserializer {

    @SuppressWarnings("unchecked")
    public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
        JSONLexer lexer = parser.getLexer();

        Object val;
        if (lexer.token() == JSONToken.LITERAL_INT) {
            val = lexer.longValue();
            lexer.nextToken(JSONToken.COMMA);
        } else if (lexer.token() == JSONToken.LITERAL_STRING) {
            String strVal = lexer.stringVal();
            val = strVal;
            lexer.nextToken(JSONToken.COMMA);
           
            if (lexer.isEnabled(Feature.AllowISO8601DateFormat)) {
                JSONScanner iso8601Lexer = new JSONScanner(strVal);
                if (iso8601Lexer.scanISO8601DateIfMatch()) {
                    val = iso8601Lexer.getCalendar().getTime();
                }
                iso8601Lexer.close();
            }
        } else if (lexer.token() == JSONToken.NULL) {
            lexer.nextToken();
            val = null;
        } else if (lexer.token() == JSONToken.LBRACE) {
            lexer.nextToken();
           
            String key;
            if (lexer.token() == JSONToken.LITERAL_STRING) {
                key = lexer.stringVal();
               
                if (JSON.DEFAULT_TYPE_KEY.equals(key)) {
                    lexer.nextToken();
                    parser.accept(JSONToken.COLON);
                   
                    String typeName = lexer.stringVal();
                    Class<?> type = TypeUtils.loadClass(typeName);
                    if (type != null) {
                        clazz = type;
                    }
                   
                    parser.accept(JSONToken.LITERAL_STRING);
                    parser.accept(JSONToken.COMMA);
                }
               
                lexer.nextTokenWithColon(JSONToken.LITERAL_INT);
            } else {
                throw new JSONException("syntax error");
            }
           
            long timeMillis;
            if (lexer.token() == JSONToken.LITERAL_INT) {
                timeMillis = lexer.longValue();
                lexer.nextToken();
            } else {
                throw new JSONException("syntax error : " + lexer.tokenName());
            }
           
            val = timeMillis;
           
            parser.accept(JSONToken.RBRACE);
        } else if (parser.getResolveStatus() == DefaultJSONParser.TypeNameRedirect) {
            parser.setResolveStatus(DefaultJSONParser.NONE);
            parser.accept(JSONToken.COMMA);

            if (lexer.token() == JSONToken.LITERAL_STRING) {
                if (!"val".equals(lexer.stringVal())) {
                    throw new JSONException("syntax error");
                }
                lexer.nextToken();
            } else {
                throw new JSONException("syntax error");
            }

            parser.accept(JSONToken.COLON);
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        }
    }

    @SuppressWarnings("unchecked")
    public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
        final JSONLexer lexer = parser.getLexer();

        Boolean boolObj;
        if (lexer.token() == JSONToken.TRUE) {
            lexer.nextToken(JSONToken.COMMA);
            boolObj = Boolean.TRUE;
        } else if (lexer.token() == JSONToken.FALSE) {
            lexer.nextToken(JSONToken.COMMA);
            boolObj = Boolean.FALSE;
        } else if (lexer.token() == JSONToken.LITERAL_INT) {
            int intValue = lexer.intValue();
            lexer.nextToken(JSONToken.COMMA);

            if (intValue == 1) {
                boolObj = Boolean.TRUE;
            } else {
                boolObj = Boolean.FALSE;
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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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        out.write('}');
    }

    @SuppressWarnings("unchecked")
    public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
        JSONLexer lexer = parser.getLexer();

        if (lexer.token() != JSONToken.LBRACE && lexer.token() != JSONToken.COMMA) {
            throw new JSONException("syntax error");
        }
        lexer.nextToken();

        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");
            }

            int val;
            if (lexer.token() == JSONToken.LITERAL_INT) {
                val = lexer.intValue();
                lexer.nextToken();
            } else {
                throw new JSONException("syntax error");
            }

            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);
            }
        }

        return (T) new Color(r, g, b, alpha);
    }
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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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