Java Code Examples for org.springframework.web.servlet.support.BindStatus#getValue()

The following examples show how to use org.springframework.web.servlet.support.BindStatus#getValue() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: SelectedValueComparator.java    From spring-analysis-note with MIT License 5 votes vote down vote up 
/**
 * Returns {@code true} 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>.
 */
public static boolean isSelected(BindStatus bindStatus, @Nullable Object candidateValue) {
	// 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 (candidateValue != null) {
		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;
}
Example 2
Source File: SelectedValueComparator.java    From java-technology-stack with MIT License 5 votes vote down vote up 
/**
 * Returns {@code true} 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>.
 */
public static boolean isSelected(BindStatus bindStatus, @Nullable Object candidateValue) {
	// 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 (candidateValue != null) {
		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;
}
Example 3
Source File: SelectedValueComparator.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Returns {@code true} 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>.
 */
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;
}
Example 4
Source File: SelectedValueComparator.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
/**
 * Returns {@code true} 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>.
 */
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;
}