shell/console/src/main/java/org/apache/felix/gogo/commands/converter/DefaultConverter.java [80:190]:
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                return convertToNumber((Number) fromValue, toClass(type));
            } else if (fromValue instanceof String) {
                return convertFromString((String) fromValue, toClass(type), loader);
            } else if (toClass(type).isArray() && (fromValue instanceof Collection || fromValue.getClass().isArray())) {
                return convertToArray(fromValue, type);
            } else if (Map.class.isAssignableFrom(toClass(type)) && (fromValue instanceof Map || fromValue instanceof Dictionary)) {
                return convertToMap(fromValue, type);
            } else if (Dictionary.class.isAssignableFrom(toClass(type)) && (fromValue instanceof Map || fromValue instanceof Dictionary)) {
                return convertToDictionary(fromValue, type);
            } else if (Collection.class.isAssignableFrom(toClass(type)) && (fromValue instanceof Collection || fromValue.getClass().isArray())) {
                return convertToCollection(fromValue, type);
            } else {
                throw new Exception("Unable to convert value " + fromValue + " to type " + type);
            }
        }
        return value;
    }

    private Object convertWithConverters(Object source, ReifiedType type) throws Exception {
        Object value = null;
//        for (Converter converter : converters) {
//            if (converter.canConvert(source, type)) {
//                value = converter.convert(source, type);
//                if (value != null) {
//                    return value;
//                }
//            }
//        }
        return value;
    }

    public Object convertToNumber(Number value, Class toType) throws Exception {
        toType = unwrap(toType);
        if (AtomicInteger.class == toType) {
            return new AtomicInteger((Integer) convertToNumber(value, Integer.class));
        } else if (AtomicLong.class == toType) {
            return new AtomicLong((Long) convertToNumber(value, Long.class));
        } else if (Integer.class == toType) {
            return value.intValue();
        } else if (Short.class == toType) {
            return value.shortValue();
        } else if (Long.class == toType) {
            return value.longValue();
        } else if (Float.class == toType) {
            return value.floatValue();
        } else if (Double.class == toType) {
            return value.doubleValue();
        } else if (Byte.class == toType) {
            return value.byteValue();
        } else if (BigInteger.class == toType) {
            return new BigInteger(value.toString());
        } else if (BigDecimal.class == toType) {
            return new BigDecimal(value.toString());
        } else {
            throw new Exception("Unable to convert number " + value + " to " + toType);
        }
    }

    public Object convertFromString(String value, Class toType, Object loader) throws Exception {
        toType = unwrap(toType);
        if (ReifiedType.class == toType) {
            try {
                return GenericType.parse(value, loader);
            } catch (ClassNotFoundException e) {
                throw new Exception("Unable to convert", e);
            }
        } else if (Class.class == toType) {
            try {
                return GenericType.parse(value, loader).getRawClass();
            } catch (ClassNotFoundException e) {
                throw new Exception("Unable to convert", e);
            }
        } else if (Locale.class == toType) {
            String[] tokens = value.split("_");
            if (tokens.length == 1) {
                return new Locale(tokens[0]);
            } else if (tokens.length == 2) {
                return new Locale(tokens[0], tokens[1]);
            } else if (tokens.length == 3) {
                return new Locale(tokens[0], tokens[1], tokens[2]);
            } else {
                throw new Exception("Invalid locale string:" + value);
            }
        } else if (Pattern.class == toType) {
            return Pattern.compile(value);
        } else if (Properties.class == toType) {
            Properties props = new Properties();
            ByteArrayInputStream in = new ByteArrayInputStream(value.getBytes(StandardCharsets.UTF_8));
            props.load(in);
            return props;
        } else if (Boolean.class == toType) {
            if ("yes".equalsIgnoreCase(value) || "true".equalsIgnoreCase(value) || "on".equalsIgnoreCase(value)) {
                return Boolean.TRUE;
            } else if ("no".equalsIgnoreCase(value) || "false".equalsIgnoreCase(value) || "off".equalsIgnoreCase(value)) {
                return Boolean.FALSE;
            } else {
                throw new RuntimeException("Invalid boolean value: " + value);
            }
        } else if (Integer.class == toType) {
            return Integer.valueOf(value);
        } else if (Short.class == toType) {
            return Short.valueOf(value);
        } else if (Long.class == toType) {
            return Long.valueOf(value);
        } else if (Float.class == toType) {
            return Float.valueOf(value);
        } else if (Double.class == toType) {
            return Double.valueOf(value);
        } else if (Character.class == toType) {
            if (value.length() == 6 && value.startsWith("\\u")) {
                int code = Integer.parseInt(value.substring(2), 16);
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shell/core/src/main/java/org/apache/karaf/shell/support/converter/DefaultConverter.java [84:194]:
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                return convertToNumber((Number) fromValue, toClass(type));
            } else if (fromValue instanceof String) {
                return convertFromString((String) fromValue, toClass(type), loader);
            } else if (toClass(type).isArray() && (fromValue instanceof Collection || fromValue.getClass().isArray())) {
                return convertToArray(fromValue, type);
            } else if (Map.class.isAssignableFrom(toClass(type)) && (fromValue instanceof Map || fromValue instanceof Dictionary)) {
                return convertToMap(fromValue, type);
            } else if (Dictionary.class.isAssignableFrom(toClass(type)) && (fromValue instanceof Map || fromValue instanceof Dictionary)) {
                return convertToDictionary(fromValue, type);
            } else if (Collection.class.isAssignableFrom(toClass(type)) && (fromValue instanceof Collection || fromValue.getClass().isArray())) {
                return convertToCollection(fromValue, type);
            } else {
                throw new Exception("Unable to convert value " + fromValue + " to type " + type);
            }
        }
        return value;
    }

    private Object convertWithConverters(Object source, ReifiedType type) throws Exception {
        Object value = null;
//        for (Converter converter : converters) {
//            if (converter.canConvert(source, type)) {
//                value = converter.convert(source, type);
//                if (value != null) {
//                    return value;
//                }
//            }
//        }
        return value;
    }

    public Object convertToNumber(Number value, Class toType) throws Exception {
        toType = unwrap(toType);
        if (AtomicInteger.class == toType) {
            return new AtomicInteger((Integer) convertToNumber(value, Integer.class));
        } else if (AtomicLong.class == toType) {
            return new AtomicLong((Long) convertToNumber(value, Long.class));
        } else if (Integer.class == toType) {
            return value.intValue();
        } else if (Short.class == toType) {
            return value.shortValue();
        } else if (Long.class == toType) {
            return value.longValue();
        } else if (Float.class == toType) {
            return value.floatValue();
        } else if (Double.class == toType) {
            return value.doubleValue();
        } else if (Byte.class == toType) {
            return value.byteValue();
        } else if (BigInteger.class == toType) {
            return new BigInteger(value.toString());
        } else if (BigDecimal.class == toType) {
            return new BigDecimal(value.toString());
        } else {
            throw new Exception("Unable to convert number " + value + " to " + toType);
        }
    }

    public Object convertFromString(String value, Class toType, Object loader) throws Exception {
        toType = unwrap(toType);
        if (ReifiedType.class == toType) {
            try {
                return GenericType.parse(value, loader);
            } catch (ClassNotFoundException e) {
                throw new Exception("Unable to convert", e);
            }
        } else if (Class.class == toType) {
            try {
                return GenericType.parse(value, loader).getRawClass();
            } catch (ClassNotFoundException e) {
                throw new Exception("Unable to convert", e);
            }
        } else if (Locale.class == toType) {
            String[] tokens = value.split("_");
            if (tokens.length == 1) {
                return new Locale(tokens[0]);
            } else if (tokens.length == 2) {
                return new Locale(tokens[0], tokens[1]);
            } else if (tokens.length == 3) {
                return new Locale(tokens[0], tokens[1], tokens[2]);
            } else {
                throw new Exception("Invalid locale string:" + value);
            }
        } else if (Pattern.class == toType) {
            return Pattern.compile(value);
        } else if (Properties.class == toType) {
            Properties props = new Properties();
            ByteArrayInputStream in = new ByteArrayInputStream(value.getBytes(StandardCharsets.UTF_8));
            props.load(in);
            return props;
        } else if (Boolean.class == toType) {
            if ("yes".equalsIgnoreCase(value) || "true".equalsIgnoreCase(value) || "on".equalsIgnoreCase(value)) {
                return Boolean.TRUE;
            } else if ("no".equalsIgnoreCase(value) || "false".equalsIgnoreCase(value) || "off".equalsIgnoreCase(value)) {
                return Boolean.FALSE;
            } else {
                throw new RuntimeException("Invalid boolean value: " + value);
            }
        } else if (Integer.class == toType) {
            return Integer.valueOf(value);
        } else if (Short.class == toType) {
            return Short.valueOf(value);
        } else if (Long.class == toType) {
            return Long.valueOf(value);
        } else if (Float.class == toType) {
            return Float.valueOf(value);
        } else if (Double.class == toType) {
            return Double.valueOf(value);
        } else if (Character.class == toType) {
            if (value.length() == 6 && value.startsWith("\\u")) {
                int code = Integer.parseInt(value.substring(2), 16);
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