Example usage for org.springframework.beans.factory.config ConstructorArgumentValues addIndexedArgumentValue

Introduction

In this page you can find the example usage for org.springframework.beans.factory.config ConstructorArgumentValues addIndexedArgumentValue.

Prototype

public void addIndexedArgumentValue(int index, @Nullable Object value, String type) 

Source Link

Document

Add an argument value for the given index in the constructor argument list.

Usage

From source file:org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.java

/**
 * Parse a constructor-arg element./*from  w  ww  . j a  v a2  s .  c  o m*/
 */
protected void parseConstructorArgElement(Element ele, String beanName, ConstructorArgumentValues cargs)
        throws BeanDefinitionStoreException {

    Object val = parsePropertyValue(ele, beanName, null);
    String indexAttr = ele.getAttribute(INDEX_ATTRIBUTE);
    String typeAttr = ele.getAttribute(TYPE_ATTRIBUTE);
    if (StringUtils.hasLength(indexAttr)) {
        try {
            int index = Integer.parseInt(indexAttr);
            if (index < 0) {
                throw new BeanDefinitionStoreException(getResource(), beanName,
                        "'index' cannot be lower than 0");
            }
            if (StringUtils.hasLength(typeAttr)) {
                cargs.addIndexedArgumentValue(index, val, typeAttr);
            } else {
                cargs.addIndexedArgumentValue(index, val);
            }
        } catch (NumberFormatException ex) {
            throw new BeanDefinitionStoreException(getResource(), beanName,
                    "Attribute 'index' of tag 'constructor-arg' must be an integer");
        }
    } else {
        if (StringUtils.hasLength(typeAttr)) {
            cargs.addGenericArgumentValue(val, typeAttr);
        } else {
            cargs.addGenericArgumentValue(val);
        }
    }
}

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