Java Model.addValidator方法代码示例

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Override
public void validate(Model m) {
    if(m.get(attribute) == null){
        m.addValidator(this, attribute);
        return;
    }
    Object value = m.get(attribute);
    if (!(value instanceof String)) {
        throw new IllegalArgumentException("attribute " + attribute + " is not String");
    }
    Matcher matcher = pattern.matcher((String) value);
    if(!matcher.matches()){
       m.addValidator(this, attribute);
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Override
public void convert(Model m) {
    Object val = m.get(attributeName);
    if (!(val instanceof java.util.Date) && !blank(val)) {
        try {
            long time = df.parse(val.toString()).getTime();
            java.sql.Date d = new java.sql.Date(time);
            m.set(attributeName, d);
        } catch (ParseException e) {
            m.addValidator(this, attributeName);
        }
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Override
public void validate(Model m) {
    Object value = m.get(attribute);
    if (!(value instanceof String)) {
        throw new IllegalArgumentException("Attribute must be a String");
    }

    if (!lengthOption.validate((String) (m.get(attribute)))) {
        m.addValidator(this, attribute);
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Override
public void convert(Model m) {
    Object val = m.get(attributeName);
    if (!(val instanceof Timestamp) && !blank(val)) {
        try {
            long time = df.parse(val.toString()).getTime();
            Timestamp t = new Timestamp(time);
            m.set(attributeName, t);
        } catch(ParseException e) {
            m.addValidator(this, attributeName);
        }
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Override
public void validate(Model m) {
    if (blank(m.get(attribute))) {
        //TODO: use resource bundles for messages
        m.addValidator(this, attribute);
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
private boolean present(Object value, Model m){

        if(allowNull){
            return true;
        }

        if(value == null){
            setMessage("value is missing");
            m.addValidator(this, attribute);
            return false;
        }else{
            return true;
        }
    }
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
private void validateIntegerOnly(Object value, Model m){
    try{
        Integer.valueOf(value.toString());
    } catch(NumberFormatException e) {
        m.addValidator(this, attribute);
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Override
public void validate(Model model) {
    MetaModel metaModel = metaModelOf(model.getClass());
    if (new DB(metaModel.getDbName()).count(metaModel.getTableName(), attribute + " = ?", model.get(attribute)) > 0) {
        model.addValidator(this, attribute);
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Test
public void shouldRegisterCustomValidator() {

    class FutureBirthValidator extends ValidatorAdapter {
        FutureBirthValidator(){
            setMessage("invalid.dob.message");
        }
        @Override
        public void validate(Model m) {
            Date dob = m.getDate("dob");
            Date now = new java.sql.Date(System.currentTimeMillis());
            if(dob.after(now)){
                m.addValidator(this, "invalid.dob");//add validator to errors with a key
            }
        }
    }

    FutureBirthValidator validator = new FutureBirthValidator();

    Person.addValidator(validator);

    Person p = new Person();

    GregorianCalendar future = new GregorianCalendar();
    future.set(Calendar.YEAR, 3000);//will people still be using Java then... or computers? :)

    p.set("dob", new Date(future.getTimeInMillis()));
    p.validate();
    a(p.errors().size()).shouldBeEqual(3);

    a(p.errors().get("invalid.dob")).shouldBeEqual("date of birth cannot be in future");

    //this is so that other tests succeed
    Person.removeValidator(validator);
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
@Override
public void validate(Model m) {
    Object value = m.get(attribute);

    if(!present(value, m)){
        return;
    }

    // validators should not also do conversion
    if(convertNullIfEmpty && "".equals(value)){
        m.set(attribute, null);
        value = null;
    }

    if(value == null && allowNull){
        return;
    }

    //this is to check just numericality
    if(!(value instanceof Number)) {
        if (value != null) {
            ParsePosition pp = new ParsePosition(0);
            String input = value.toString();
            // toString() is not Locale dependant...
            // ... but NumberFormat is. For Polish locale where decimal separator is "," instead of ".". Might fail some tests...
            NumberFormat nf = NumberFormat.getInstance();
            nf.setParseIntegerOnly(onlyInteger);
            nf.parse(input, pp);
            if (pp.getIndex() != (input.length())) {
                m.addValidator(this, attribute);
            }
        } else {
                m.addValidator(this, attribute);
        }
    }

    if(min != null){
        validateMin(Convert.toDouble(value), m);
    }

    if(max != null){
        validateMax(Convert.toDouble(value), m);
    }

    if(onlyInteger){
        validateIntegerOnly(value, m);
    }
}
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
private void validateMin(Double value, Model m){

        if(value <= min){
            m.addValidator(this, attribute);
        }
    }
 

import org.javalite.activejdbc.Model; //导入方法依赖的package包/类
private void validateMax(Double value, Model m){
    if(value >= max){
        m.addValidator(this, attribute);
    }
}