Examples with JSONLexer com.alibaba.fastjson.parser.JSONLexer used on opensource projects

Example 41 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class AwtCodec method parseRef.

private Object parseRef(DefaultJSONParser parser, Object fieldName) {
    JSONLexer lexer = parser.getLexer();
    lexer.nextTokenWithColon(JSONToken.LITERAL_STRING);
    String ref = lexer.stringVal();
    parser.setContext(parser.getContext(), fieldName);
    parser.addResolveTask(new DefaultJSONParser.ResolveTask(parser.getContext(), ref));
    parser.popContext();
    parser.setResolveStatus(DefaultJSONParser.NeedToResolve);
    lexer.nextToken(JSONToken.RBRACE);
    parser.accept(JSONToken.RBRACE);
    return null;
}

Example 42 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class AwtCodec method parseFont.

protected Font parseFont(DefaultJSONParser parser) {
    JSONLexer lexer = parser.lexer;
    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");
        }
        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);
        }
        if (lexer.token() == JSONToken.COMMA) {
            lexer.nextToken(JSONToken.LITERAL_STRING);
        }
    }
    return new Font(name, style, size);
}

Example 43 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class AwtCodec method parseRectangle.

protected Rectangle parseRectangle(DefaultJSONParser parser) {
    JSONLexer lexer = parser.lexer;
    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;
        int token = lexer.token();
        if (token == JSONToken.LITERAL_INT) {
            val = lexer.intValue();
            lexer.nextToken();
        } else if (token == JSONToken.LITERAL_FLOAT) {
            val = (int) lexer.floatValue();
            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 new Rectangle(x, y, width, height);
}

Example 44 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class JSON method parseArray.

public static JSONArray parseArray(String text) {
    if (text == null) {
        return null;
    }
    DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());
    JSONArray array;
    JSONLexer lexer = parser.lexer;
    if (lexer.token() == JSONToken.NULL) {
        lexer.nextToken();
        array = null;
    } else if (lexer.token() == JSONToken.EOF) {
        array = null;
    } else {
        array = new JSONArray();
        parser.parseArray(array);
        parser.handleResovleTask(array);
    }
    parser.close();
    return array;
}

Example 45 with JSONLexer

use of com.alibaba.fastjson.parser.JSONLexer in project fastjson by alibaba.

the class JSON method parseArray.

public static <T> List<T> parseArray(String text, Class<T> clazz) {
    if (text == null) {
        return null;
    }
    List<T> list;
    DefaultJSONParser parser = new DefaultJSONParser(text, ParserConfig.getGlobalInstance());
    JSONLexer lexer = parser.lexer;
    int token = lexer.token();
    if (token == JSONToken.NULL) {
        lexer.nextToken();
        list = null;
    } else if (token == JSONToken.EOF && lexer.isBlankInput()) {
        list = null;
    } else {
        list = new ArrayList<T>();
        parser.parseArray(clazz, list);
        parser.handleResovleTask(list);
    }
    parser.close();
    return list;
}