Example usage for org.apache.commons.lang3.reflect TypeUtils getRawType

Introduction

In this page you can find the example usage for org.apache.commons.lang3.reflect TypeUtils getRawType.

Prototype

public static Class<?> getRawType(final Type type, final Type assigningType) 

Source Link

Document

Get the raw type of a Java type, given its context.

Usage

From source file:therian.operator.add.AddToArray.java

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override//from   ww w. j a  v a 2s .c o m
public boolean perform(TherianContext context, Add<?, ?> add) {
    final Type targetElementType = context.eval(GetElementType.of(add.getTargetPosition()));
    final Position.Writable target = (Position.Writable) add.getTargetPosition();
    final int origSize = context.eval(Size.of(add.getTargetPosition()));
    final Object enlarged = Array.newInstance(TypeUtils.getRawType(targetElementType, null), origSize + 1);
    if (origSize > 0) {
        System.arraycopy(add.getTargetPosition().getValue(), 0, enlarged, 0, origSize);
    }
    Array.set(enlarged, origSize, add.getSourcePosition().getValue());
    target.setValue(enlarged);
    add.setResult(true);
    return true;
}

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From source file:therian.operator.addall.AddAllToArray.java

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override//  w w w . ja  va  2  s . c o  m
public boolean perform(TherianContext context, AddAll<?, ?> addAll) {
    Object array = context.eval(Convert.to(Positions.<Object>readWrite(addAll.getTargetPosition().getType()),
            addAll.getSourcePosition()));

    final Position.Writable target = (Position.Writable) addAll.getTargetPosition();
    final int origSize = context.eval(Size.of(addAll.getTargetPosition()));
    if (origSize > 0) {
        final int toAdd = context.eval(Size.of(Positions.readOnly(array)));
        final Type targetElementType = context.eval(GetElementType.of(addAll.getTargetPosition()));
        final Object enlarged = Array.newInstance(TypeUtils.getRawType(targetElementType, null),
                origSize + toAdd);
        System.arraycopy(addAll.getTargetPosition().getValue(), 0, enlarged, 0, origSize);
        System.arraycopy(array, 0, enlarged, origSize, toAdd);
        array = enlarged;
    }
    target.setValue(array);
    addAll.setResult(true);
    return true;
}

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From source file:therian.operator.convert.AbstractConverter.java

/**
 * Learn whether a {@link Convert} operation's source value is (already) an instance of its target type,
 *
 * @param convert/*from  w  ww. jav  a  2  s .c om*/
 * @return boolean
 */
protected final boolean isNoop(Convert<?, ?> convert) {
    Type sourceType = convert.getSourcePosition().getType();
    if (ParameterizedType.class.isInstance(sourceType) && convert.getSourcePosition().getValue() != null) {
        sourceType = Types.narrowestParameterizedType(convert.getSourcePosition().getValue().getClass(),
                (ParameterizedType) sourceType);
    }
    if (TypeUtils.isAssignable(sourceType, convert.getTargetPosition().getType())) {
        if (ParameterizedType.class.isInstance(convert.getTargetPosition().getType())) {
            // make sure all type params of target position are accounted for by source before declaring it a noop:
            final Class<?> rawTargetType = TypeUtils.getRawType(convert.getTargetPosition().getType(), null);
            final Map<TypeVariable<?>, Type> typeMappings = TypeUtils.getTypeArguments(sourceType,
                    rawTargetType);

            for (TypeVariable<?> v : rawTargetType.getTypeParameters()) {
                if (typeMappings.get(v) == null) {
                    return false;
                }
                if (typeMappings.get(v) instanceof TypeVariable<?>) {
                    return false;
                }
            }
        }
        return true;
    }
    return false;
}

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From source file:therian.operator.convert.CollectionToArray.java

@SuppressWarnings("unchecked")
@Override//from  w ww  . jav a 2s  . c om
public boolean perform(TherianContext context, Convert<? extends Collection, ?> convert) {
    final Type targetElementType = context.eval(GetElementType.of(convert.getTargetPosition()));
    final int size = convert.getSourcePosition().getValue().size();

    final Object result = Array.newInstance(TypeUtils.getRawType(targetElementType, null), size);

    final Object[] toFill;
    final boolean primitiveTargetElementType = targetElementType instanceof Class<?>
            && ((Class<?>) targetElementType).isPrimitive();

    if (primitiveTargetElementType) {
        toFill = (Object[]) Array.newInstance(ClassUtils.primitiveToWrapper((Class<?>) targetElementType),
                size);
    } else {
        toFill = (Object[]) result;
    }
    convert.getSourcePosition().getValue().toArray(toFill);
    if (primitiveTargetElementType) {
        for (int i = 0; i < size; i++) {
            Array.set(result, i, toFill[i]);
        }
    }
    ((Position.Writable<Object>) convert.getTargetPosition()).setValue(result);
    return true;
}

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From source file:therian.operator.convert.ELCoercionConverter.java

private static Class<?> getRawTargetType(Convert<?, ?> operation) {
    return TypeUtils.getRawType(operation.getTargetPosition().getType(), null);
}

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From source file:therian.util.BeanProperties.java

public static Set<String> getPropertyNames(ReturnProperties returnProperties, TherianContext context,
        Position.Readable<?> position) {

    List<? extends FeatureDescriptor> descriptors;
    // first try ELResolver:

    try {//from  w ww  .  j  a va 2 s .c  o m
        descriptors = IteratorUtils
                .toList(context.getELResolver().getFeatureDescriptors(context, position.getValue()));
    } catch (Exception e) {
        descriptors = null;
    }

    if (CollectionUtils.isEmpty(descriptors)) {
        // java.beans introspection; on RT type if available, else raw position type:
        final Class<?> beanType;
        if (position.getValue() == null) {
            beanType = TypeUtils.getRawType(position.getType(), null);
        } else {
            beanType = position.getValue().getClass();
        }
        try {
            descriptors = Arrays.asList(Introspector.getBeanInfo(beanType).getPropertyDescriptors());
        } catch (IntrospectionException e1) {
            return Collections.emptySet();
        }
    }

    final Set<String> result = new HashSet<>();
    for (final FeatureDescriptor fd : descriptors) {
        final String name = fd.getName();
        if (returnProperties == ReturnProperties.WRITABLE) {
            try {
                if (context.getELResolver().isReadOnly(context, position.getValue(), name)) {
                    continue;
                }
            } catch (Exception e) {
                // if we can't even _check_ for readOnly, assume not writable:
                continue;
            }
        }
        result.add(name);
    }
    return result;
}

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