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From "Harigopal Patel (JIRA)" <j...@apache.org>
Subject [jira] [Created] (WW-4216) Error in XWorkBasicConverter.convertValue()
Date Wed, 09 Oct 2013 07:30:41 GMT
Harigopal Patel created WW-4216:
-----------------------------------

             Summary: Error in XWorkBasicConverter.convertValue()
                 Key: WW-4216
                 URL: https://issues.apache.org/jira/browse/WW-4216
             Project: Struts 2
          Issue Type: Bug
    Affects Versions: 2.3.15.1
            Reporter: Harigopal Patel


if multiple name parameter in action then create string array
ex :- abc.action?id=4&id=4&name=xyz
Object value = string array [0=4,1=4]
Class toType = int

2.0.7 branch :- no check Primitive data type
public Object convertValue(Map context, Object o, Member member, String s, Object value, Class
toType) {
        Object result = null;
        if (value == null || toType.isAssignableFrom(value.getClass())) {
            return value;
        }
        if (toType == String.class) {
            Class inputType = value.getClass();
            if (Number.class.isAssignableFrom(inputType)) {
                result = doConvertFromNumberToString(context, value, inputType);
                if (result != null) {
                    return result;
                }
            }
            result = doConvertToString(context, value);
        } else if (toType == boolean.class) {
            result = doConvertToBoolean(value);
        } else if (toType == Boolean.class) {
            result = doConvertToBoolean(value);
        } else if (toType.isArray()) {
            result = doConvertToArray(context, o, member, s, value, toType);
        } else if (Date.class.isAssignableFrom(toType)) {
            result = doConvertToDate(context, value, toType);
        } else if (Collection.class.isAssignableFrom(toType)) {
            result = doConvertToCollection(context, o, member, s, value, toType);
        } else if (toType == Character.class) {
            result = doConvertToCharacter(value);
        } else if (toType == char.class) {
            result = doConvertToCharacter(value);
        } else if (Number.class.isAssignableFrom(toType)) {
            result = doConvertToNumber(context, value, toType);
        } else if (toType == Class.class) {
            result = doConvertToClass(value);
        }

        if (result == null) {
            if (value instanceof Object[]) {
                Object[] array = (Object[]) value;
                if (array.length >= 1) {
                    value = array[0]; /************ call this code value = 4 ****************/
                }
                result = convertValue(context, o, member, s, value, toType);
            } else if (!"".equals(value)) { // we've already tried the types we know
                result = super.convertValue(context, value, toType);
            }
            if (result == null && value != null && !"".equals(value)) {
                throw new XWorkException("Cannot create type " + toType + " from value " +
value);
            }
        }
        return result;
    }

2.1.2 branch :- check Primitive data type
public Object convertValue(Map<String, Object> context, Object o, Member member, String
propertyName, Object value, Class toType) {
        Object result = null;
        if (value == null || toType.isAssignableFrom(value.getClass())) {
            return value;
        }
        if (toType == String.class) {
            Class inputType = value.getClass();
            if (Number.class.isAssignableFrom(inputType)) {
                result = doConvertFromNumberToString(context, value, inputType);
                if (result != null) {
                    return result;
                }
            }
            result = doConvertToString(context, value);
        } else if (toType == boolean.class) {
            result = doConvertToBoolean(value);
        } else if (toType == Boolean.class) {
            result = doConvertToBoolean(value);
        } else if (toType.isArray()) {
            result = doConvertToArray(context, o, member, propertyName, value, toType);
        } else if (Date.class.isAssignableFrom(toType)) {
            result = doConvertToDate(context, value, toType);
        } else if (Calendar.class.isAssignableFrom(toType)) {
            result = doConvertToCalendar(context, value);
        } else if (Collection.class.isAssignableFrom(toType)) {
            result = doConvertToCollection(context, o, member, propertyName, value, toType);
        } else if (toType == Character.class) {
            result = doConvertToCharacter(value);
        } else if (toType == char.class) {
            result = doConvertToCharacter(value);
        } else if (Number.class.isAssignableFrom(toType) || toType.isPrimitive()) {
/************ call this code because toType is a int data type but throws error because value
is a string array[0=4,1=4] ****************/
            result = doConvertToNumber(context, value, toType);
        } else if (toType == Class.class) {
            result = doConvertToClass(value);
        }
        if (result == null) {
            if (value instanceof Object[]) {
                Object[] array = (Object[]) value;
                if (array.length >= 1) {
                    value = array[0];
                } else {
                    value = null;
                }
                result = convertValue(context, o, member, propertyName, value, toType);
            } else if (!"".equals(value)) { // we've already tried the types we know
                result = super.convertValue(context, value, toType);
            }
            if (result == null && value != null && !"".equals(value)) {
                throw new XWorkException("Cannot create type " + toType + " from value " +
value);
            }
        }
        return result;
    } 



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