Example usage for org.springframework.core MethodParameter setTypeIndexForCurrentLevel

Introduction

In this page you can find the example usage for org.springframework.core MethodParameter setTypeIndexForCurrentLevel.

Prototype

@Deprecated
public void setTypeIndexForCurrentLevel(int typeIndex) 

Source Link

Document

Set the type index for the current nesting level.

Usage

From source file:org.tinygroup.beanwrapper.TypeConverterDelegate.java

protected Map convertToTypedMap(Map original, String propertyName, MethodParameter methodParam) {
    Class keyType = null;//from   ww  w  . jav  a 2 s . c om
    Class valueType = null;
    if (methodParam != null && JdkVersion.isAtLeastJava15()) {
        keyType = GenericCollectionTypeResolver.getMapKeyParameterType(methodParam);
        valueType = GenericCollectionTypeResolver.getMapValueParameterType(methodParam);
    }
    if (keyType == null && valueType == null
            && !this.propertyEditorRegistry.hasCustomEditorForElement(null, propertyName)) {
        return original;
    }

    Map convertedCopy = null;
    Iterator it = null;
    try {
        it = original.entrySet().iterator();
        if (it == null) {
            if (logger.isDebugEnabled()) {
                logger.debug("Map of type [" + original.getClass().getName()
                        + "] returned null Iterator - injecting original Map as-is");
            }
        }
        convertedCopy = CollectionFactory.createApproximateMap(original, original.size());
    } catch (Exception ex) {
        if (logger.isDebugEnabled()) {
            logger.debug("Cannot access Map of type [" + original.getClass().getName()
                    + "] - injecting original Map as-is", ex);
        }
        return original;
    }
    boolean actuallyConverted = false;
    while (it.hasNext()) {
        Map.Entry entry = (Map.Entry) it.next();
        Object key = entry.getKey();
        Object value = entry.getValue();
        String keyedPropertyName = buildKeyedPropertyName(propertyName, key);
        if (methodParam != null) {
            methodParam.increaseNestingLevel();
            methodParam.setTypeIndexForCurrentLevel(0);
        }
        Object convertedKey = convertIfNecessary(keyedPropertyName, null, key, keyType, null, methodParam);
        if (methodParam != null) {
            methodParam.setTypeIndexForCurrentLevel(1);
        }
        Object convertedValue = convertIfNecessary(keyedPropertyName, null, value, valueType, null,
                methodParam);
        if (methodParam != null) {
            methodParam.decreaseNestingLevel();
        }
        convertedCopy.put(convertedKey, convertedValue);
        actuallyConverted = actuallyConverted || (key != convertedKey) || (value != convertedValue);
    }
    return (actuallyConverted ? convertedCopy : original);
}

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