Example usage for org.springframework.web.servlet.support BindStatus getActualValue

Introduction

In this page you can find the example usage for org.springframework.web.servlet.support BindStatus getActualValue.

Prototype

@Nullable
public Object getActualValue() 

Source Link

Document

Return the actual value of the field, i.e.

Usage

From source file:org.hdiv.web.servlet.tags.form.SelectedValueComparatorHDIV.java

/**
 * Returns <code>true</code> if the supplied candidate value is equal to the value bound to
 * the supplied {@link BindStatus}. Equality in this case differs from standard Java equality and
 * is described in more detail <a href="#equality-contract">here</a>.
 *//*from ww w.  ja v a2s  .  co m*/
public static boolean isSelected(BindStatus bindStatus, Object candidateValue) {
    if (bindStatus == null) {
        return (candidateValue == null);
    }

    // Check obvious equality matches with the candidate first,
    // both with the rendered value and with the original value.
    Object boundValue = bindStatus.getValue();
    if (ObjectUtils.nullSafeEquals(boundValue, candidateValue)) {
        return true;
    }
    Object actualValue = bindStatus.getActualValue();
    if (actualValue != null && actualValue != boundValue
            && ObjectUtils.nullSafeEquals(actualValue, candidateValue)) {
        return true;
    }
    if (actualValue != null) {
        boundValue = actualValue;
    } else if (boundValue == null) {
        return false;
    }

    // Non-null value but no obvious equality with the candidate value:
    // go into more exhaustive comparisons.
    boolean selected = false;
    if (boundValue.getClass().isArray()) {
        selected = collectionCompare(CollectionUtils.arrayToList(boundValue), candidateValue, bindStatus);
    } else if (boundValue instanceof Collection) {
        selected = collectionCompare((Collection) boundValue, candidateValue, bindStatus);
    } else if (boundValue instanceof Map) {
        selected = mapCompare((Map) boundValue, candidateValue, bindStatus);
    }
    if (!selected) {
        selected = exhaustiveCompare(boundValue, candidateValue, bindStatus.getEditor(), null);
    }
    return selected;
}

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