Example usage for org.springframework.beans NullValueInNestedPathException NullValueInNestedPathException

Introduction

In this page you can find the example usage for org.springframework.beans NullValueInNestedPathException NullValueInNestedPathException.

Prototype

public NullValueInNestedPathException(Class<?> beanClass, String propertyName) 

Source Link

Document

Create a new NullValueInNestedPathException.

Usage

From source file:net.yasion.common.core.bean.wrapper.impl.ExtendedBeanWrapperImpl.java

/**
 * Retrieve a BeanWrapper for the given nested property. Create a new one if not found in the cache.
 * <p>//from  ww  w  .j a v a  2  s.  c om
 * Note: Caching nested BeanWrappers is necessary now, to keep registered custom editors for nested properties.
 * 
 * @param nestedProperty
 *            property to create the BeanWrapper for
 * @return the BeanWrapper instance, either cached or newly created
 */
private ExtendedBeanWrapperImpl getNestedBeanWrapper(String nestedProperty) {
    if (this.nestedBeanWrappers == null) {
        this.nestedBeanWrappers = new HashMap<String, ExtendedBeanWrapperImpl>();
    }
    // Get value of bean property.
    PropertyTokenHolder tokens = getPropertyNameTokens(nestedProperty);
    String canonicalName = tokens.canonicalName;
    Object value = getPropertyValue(tokens);
    if (value == null || (value.getClass().equals(javaUtilOptionalClass) && OptionalUnwrapper.isEmpty(value))) {
        if (isAutoGrowNestedPaths()) {
            value = setDefaultValue(tokens);
        } else {
            throw new NullValueInNestedPathException(getRootClass(), this.nestedPath + canonicalName);
        }
    }

    // Lookup cached sub-BeanWrapper, create new one if not found.
    ExtendedBeanWrapperImpl nestedBw = this.nestedBeanWrappers.get(canonicalName);
    if (nestedBw == null || nestedBw.getWrappedInstance() != (value.getClass().equals(javaUtilOptionalClass)
            ? OptionalUnwrapper.unwrap(value)
            : value)) {
        if (logger.isTraceEnabled()) {
            logger.trace("Creating new nested BeanWrapper for property '" + canonicalName + "'");
        }
        nestedBw = newNestedBeanWrapper(value, this.nestedPath + canonicalName + NESTED_PROPERTY_SEPARATOR);
        // Inherit all type-specific PropertyEditors.
        copyDefaultEditorsTo(nestedBw);
        copyCustomEditorsTo(nestedBw, canonicalName);
        this.nestedBeanWrappers.put(canonicalName, nestedBw);
    } else {
        if (logger.isTraceEnabled()) {
            logger.trace("Using cached nested BeanWrapper for property '" + canonicalName + "'");
        }
    }
    return nestedBw;
}

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From source file:org.springframework.beans.AbstractNestablePropertyAccessor.java

/**
 * Retrieve a Property accessor for the given nested property.
 * Create a new one if not found in the cache.
 * <p>Note: Caching nested PropertyAccessors is necessary now,
 * to keep registered custom editors for nested properties.
 * @param nestedProperty property to create the PropertyAccessor for
 * @return the PropertyAccessor instance, either cached or newly created
 *///from w  w w. j  a v a2s.  c  o m
private AbstractNestablePropertyAccessor getNestedPropertyAccessor(String nestedProperty) {
    if (this.nestedPropertyAccessors == null) {
        this.nestedPropertyAccessors = new HashMap<>();
    }
    // Get value of bean property.
    PropertyTokenHolder tokens = getPropertyNameTokens(nestedProperty);
    String canonicalName = tokens.canonicalName;
    Object value = getPropertyValue(tokens);
    if (value == null || (value instanceof Optional && !((Optional) value).isPresent())) {
        if (isAutoGrowNestedPaths()) {
            value = setDefaultValue(tokens);
        } else {
            throw new NullValueInNestedPathException(getRootClass(), this.nestedPath + canonicalName);
        }
    }

    // Lookup cached sub-PropertyAccessor, create new one if not found.
    AbstractNestablePropertyAccessor nestedPa = this.nestedPropertyAccessors.get(canonicalName);
    if (nestedPa == null || nestedPa.getWrappedInstance() != ObjectUtils.unwrapOptional(value)) {
        if (logger.isTraceEnabled()) {
            logger.trace("Creating new nested " + getClass().getSimpleName() + " for property '" + canonicalName
                    + "'");
        }
        nestedPa = newNestedPropertyAccessor(value,
                this.nestedPath + canonicalName + NESTED_PROPERTY_SEPARATOR);
        // Inherit all type-specific PropertyEditors.
        copyDefaultEditorsTo(nestedPa);
        copyCustomEditorsTo(nestedPa, canonicalName);
        this.nestedPropertyAccessors.put(canonicalName, nestedPa);
    } else {
        if (logger.isTraceEnabled()) {
            logger.trace("Using cached nested property accessor for property '" + canonicalName + "'");
        }
    }
    return nestedPa;
}

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From source file:org.springframework.beans.BeanWrapperImpl.java

/**
 * Retrieve a BeanWrapper for the given nested property.
 * Create a new one if not found in the cache.
 * <p>Note: Caching nested BeanWrappers is necessary now,
 * to keep registered custom editors for nested properties.
 * @param nestedProperty property to create the BeanWrapper for
 * @return the BeanWrapper instance, either cached or newly created
 *///w w  w  . ja  v a  2 s. co m
private BeanWrapperImpl getNestedBeanWrapper(String nestedProperty) {
    if (this.nestedBeanWrappers == null) {
        this.nestedBeanWrappers = new HashMap<String, BeanWrapperImpl>();
    }
    // Get value of bean property.
    PropertyTokenHolder tokens = getPropertyNameTokens(nestedProperty);
    String canonicalName = tokens.canonicalName;
    Object value = getPropertyValue(tokens);
    if (value == null || (value.getClass().equals(javaUtilOptionalClass) && OptionalUnwrapper.isEmpty(value))) {
        if (isAutoGrowNestedPaths()) {
            value = setDefaultValue(tokens);
        } else {
            throw new NullValueInNestedPathException(getRootClass(), this.nestedPath + canonicalName);
        }
    }

    // Lookup cached sub-BeanWrapper, create new one if not found.
    BeanWrapperImpl nestedBw = this.nestedBeanWrappers.get(canonicalName);
    if (nestedBw == null || nestedBw.getWrappedInstance() != (value.getClass().equals(javaUtilOptionalClass)
            ? OptionalUnwrapper.unwrap(value)
            : value)) {
        if (logger.isTraceEnabled()) {
            logger.trace("Creating new nested BeanWrapper for property '" + canonicalName + "'");
        }
        nestedBw = newNestedBeanWrapper(value, this.nestedPath + canonicalName + NESTED_PROPERTY_SEPARATOR);
        // Inherit all type-specific PropertyEditors.
        copyDefaultEditorsTo(nestedBw);
        copyCustomEditorsTo(nestedBw, canonicalName);
        this.nestedBeanWrappers.put(canonicalName, nestedBw);
    } else {
        if (logger.isTraceEnabled()) {
            logger.trace("Using cached nested BeanWrapper for property '" + canonicalName + "'");
        }
    }
    return nestedBw;
}

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From source file:org.tinygroup.weblayer.webcontext.parser.util.BeanWrapperImpl.java

/**
 * Retrieve a BeanWrapper for the given nested property.
 * Create a new one if not found in the cache.
 * <p>Note: Caching nested BeanWrappers is necessary now,
 * to keep registered custom editors for nested properties.
 * @param nestedProperty property to create the BeanWrapper for
 * @return the BeanWrapper instance, either cached or newly created
 *///  ww  w. ja v a  2s  .c  o m
private BeanWrapperImpl getNestedBeanWrapper(String nestedProperty) {
    if (this.nestedBeanWrappers == null) {
        this.nestedBeanWrappers = new HashMap<String, BeanWrapperImpl>();
    }
    // Get value of bean property.
    PropertyTokenHolder tokens = getPropertyNameTokens(nestedProperty);
    String canonicalName = tokens.canonicalName;
    Object propertyValue = getPropertyValue(tokens);
    if (propertyValue == null) {
        if (this.autoGrowNestedPaths) {
            propertyValue = setDefaultValue(tokens);
        } else {
            throw new NullValueInNestedPathException(getRootClass(), this.nestedPath + canonicalName);
        }
    }

    // Lookup cached sub-BeanWrapper, create new one if not found.
    BeanWrapperImpl nestedBw = this.nestedBeanWrappers.get(canonicalName);
    if (nestedBw == null || nestedBw.getWrappedInstance() != propertyValue) {
        if (logger.isTraceEnabled()) {
            logger.trace("Creating new nested BeanWrapper for property '" + canonicalName + "'");
        }
        nestedBw = newNestedBeanWrapper(propertyValue,
                this.nestedPath + canonicalName + NESTED_PROPERTY_SEPARATOR);
        // Inherit all type-specific PropertyEditors.
        copyDefaultEditorsTo(nestedBw);
        copyCustomEditorsTo(nestedBw, canonicalName);
        this.nestedBeanWrappers.put(canonicalName, nestedBw);
    } else {
        if (logger.isTraceEnabled()) {
            logger.trace("Using cached nested BeanWrapper for property '" + canonicalName + "'");
        }
    }
    return nestedBw;
}

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