Example usage for java.lang.reflect Array get

List of usage examples for java.lang.reflect Array get

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Introduction

In this page you can find the example usage for java.lang.reflect Array get.

Prototype

public static native Object get(Object array, int index)
        throws IllegalArgumentException, ArrayIndexOutOfBoundsException;

Source Link

Document

Returns the value of the indexed component in the specified array object.

Usage

From source file:org.kordamp.ezmorph.array.CharacterObjectArrayMorpher.java

public Object morph(Object array) {
    if (array == null) {
        return null;
    }//from w  w w .  j  a v a  2  s  . co m

    if (CHARACTER_OBJECT_ARRAY_CLASS.isAssignableFrom(array.getClass())) {
        // no conversion needed
        return (Character[]) array;
    }

    if (array.getClass().isArray()) {
        int length = Array.getLength(array);
        int dims = getDimensions(array.getClass());
        int[] dimensions = createDimensions(dims, length);
        Object result = Array.newInstance(Character.class, dimensions);
        if (dims == 1) {
            CharMorpher morpher = null;
            if (isUseDefault()) {
                if (defaultValue == null) {
                    for (int index = 0; index < length; index++) {
                        Array.set(result, index, null);
                    }
                    return result;
                } else {
                    morpher = new CharMorpher(defaultValue.charValue());
                }
            } else {
                morpher = new CharMorpher();
            }
            for (int index = 0; index < length; index++) {
                Array.set(result, index, morpher.morph(Array.get(array, index)));
            }
        } else {
            for (int index = 0; index < length; index++) {
                Array.set(result, index, morph(Array.get(array, index)));
            }
        }
        return result;
    } else {
        throw new MorphException("argument is not an array: " + array.getClass());
    }
}

From source file:org.apache.click.util.RequestTypeConverter.java

/**
 * Return the converted value for the given value object and target type.
 *
 * @param value the value object to convert
 * @param toType the target class type to convert the value to
 * @return a converted value into the specified type
 *//*from   w  w w  . ja va 2 s . c  o  m*/
protected Object convertValue(Object value, Class<?> toType) {
    Object result = null;

    if (value != null) {

        // If array -> array then convert components of array individually
        if (value.getClass().isArray() && toType.isArray()) {
            Class<?> componentType = toType.getComponentType();

            result = Array.newInstance(componentType, Array.getLength(value));

            for (int i = 0, icount = Array.getLength(value); i < icount; i++) {
                Array.set(result, i, convertValue(Array.get(value, i), componentType));
            }

        } else {
            if ((toType == Integer.class) || (toType == Integer.TYPE)) {
                result = Integer.valueOf((int) OgnlOps.longValue(value));

            } else if ((toType == Double.class) || (toType == Double.TYPE)) {
                result = new Double(OgnlOps.doubleValue(value));

            } else if ((toType == Boolean.class) || (toType == Boolean.TYPE)) {
                result = Boolean.valueOf(value.toString());

            } else if ((toType == Byte.class) || (toType == Byte.TYPE)) {
                result = Byte.valueOf((byte) OgnlOps.longValue(value));

            } else if ((toType == Character.class) || (toType == Character.TYPE)) {
                result = Character.valueOf((char) OgnlOps.longValue(value));

            } else if ((toType == Short.class) || (toType == Short.TYPE)) {
                result = Short.valueOf((short) OgnlOps.longValue(value));

            } else if ((toType == Long.class) || (toType == Long.TYPE)) {
                result = Long.valueOf(OgnlOps.longValue(value));

            } else if ((toType == Float.class) || (toType == Float.TYPE)) {
                result = new Float(OgnlOps.doubleValue(value));

            } else if (toType == BigInteger.class) {
                result = OgnlOps.bigIntValue(value);

            } else if (toType == BigDecimal.class) {
                result = bigDecValue(value);

            } else if (toType == String.class) {
                result = OgnlOps.stringValue(value);

            } else if (toType == java.util.Date.class) {
                long time = getTimeFromDateString(value.toString());
                if (time > Long.MIN_VALUE) {
                    result = new java.util.Date(time);
                }

            } else if (toType == java.sql.Date.class) {
                long time = getTimeFromDateString(value.toString());
                if (time > Long.MIN_VALUE) {
                    result = new java.sql.Date(time);
                }

            } else if (toType == java.sql.Time.class) {
                long time = getTimeFromDateString(value.toString());
                if (time > Long.MIN_VALUE) {
                    result = new java.sql.Time(time);
                }

            } else if (toType == java.sql.Timestamp.class) {
                long time = getTimeFromDateString(value.toString());
                if (time > Long.MIN_VALUE) {
                    result = new java.sql.Timestamp(time);
                }
            }
        }

    } else {
        if (toType.isPrimitive()) {
            result = OgnlRuntime.getPrimitiveDefaultValue(toType);
        }
    }
    return result;
}

From source file:com.bstek.dorado.view.type.property.MappingPropertyOutputter.java

protected void outputArray(Mapping mapping, Object elements, OutputContext context) throws Exception {
    String keyProperty = StringUtils.defaultString(mapping.getKeyProperty(), "key");
    String valueProperty = StringUtils.defaultString(mapping.getValueProperty(), "value");

    JsonBuilder json = context.getJsonBuilder();
    json.array();//  w  w  w.  ja v  a 2s  .  com

    int length = Array.getLength(elements);
    for (int i = 0; i < length; i++) {
        Object element = Array.get(elements, i);
        EntityWrapper entity = EntityWrapper.create(element);
        json.object();

        json.key("key");
        outputData(entity.get(keyProperty), context);
        json.endKey();

        json.key("value");
        outputData(entity.get(valueProperty), context);
        json.endKey();

        json.endObject();
    }
    json.endArray();
}

From source file:es.caib.zkib.jxpath.util.BasicTypeConverter.java

/**
 * Returns true if it can convert the supplied
 * object to the specified class./*from  w w  w. j  ava  2 s.  c o  m*/
 * @param object to check
 * @param toType prospective destination class
 * @return boolean
 */
public boolean canConvert(Object object, final Class toType) {
    if (object == null) {
        return true;
    }
    final Class useType = TypeUtils.wrapPrimitive(toType);
    Class fromType = object.getClass();

    if (useType.isAssignableFrom(fromType)) {
        return true;
    }

    if (useType == String.class) {
        return true;
    }

    if (object instanceof Boolean && (Number.class.isAssignableFrom(useType)
            || "java.util.concurrent.atomic.AtomicBoolean".equals(useType.getName()))) {
        return true;
    }
    if (object instanceof Number && (Number.class.isAssignableFrom(useType) || useType == Boolean.class)) {
        return true;
    }
    if (object instanceof String && (useType == Boolean.class || useType == Character.class
            || useType == Byte.class || useType == Short.class || useType == Integer.class
            || useType == Long.class || useType == Float.class || useType == Double.class)) {
        return true;
    }
    if (fromType.isArray()) {
        // Collection -> array
        if (useType.isArray()) {
            Class cType = useType.getComponentType();
            int length = Array.getLength(object);
            for (int i = 0; i < length; i++) {
                Object value = Array.get(object, i);
                if (!canConvert(value, cType)) {
                    return false;
                }
            }
            return true;
        }
        if (Collection.class.isAssignableFrom(useType)) {
            return canCreateCollection(useType);
        }
        if (Array.getLength(object) > 0) {
            Object value = Array.get(object, 0);
            return canConvert(value, useType);
        }
        return canConvert("", useType);
    }
    if (object instanceof Collection) {
        // Collection -> array
        if (useType.isArray()) {
            Class cType = useType.getComponentType();
            Iterator it = ((Collection) object).iterator();
            while (it.hasNext()) {
                Object value = it.next();
                if (!canConvert(value, cType)) {
                    return false;
                }
            }
            return true;
        }
        if (Collection.class.isAssignableFrom(useType)) {
            return canCreateCollection(useType);
        }
        if (((Collection) object).size() > 0) {
            Object value;
            if (object instanceof List) {
                value = ((List) object).get(0);
            } else {
                Iterator it = ((Collection) object).iterator();
                value = it.next();
            }
            return canConvert(value, useType);
        }
        return canConvert("", useType);
    }
    if (object instanceof NodeSet) {
        return canConvert(((NodeSet) object).getValues(), useType);
    }
    if (object instanceof Pointer) {
        return canConvert(((Pointer) object).getValue(), useType);
    }
    return ConvertUtils.lookup(useType) != null;
}

From source file:com.googlecode.jmxtrans.connections.JMXConnectionParams.java

private ImmutableList<?> asList(Object array) {
    ImmutableList.Builder<Object> builder = ImmutableList.builder();
    for (int i = 0; i < getLength(array); i++) {
        builder.add(Array.get(array, i));
    }/*  w ww . j  av a 2 s.  c o  m*/
    return builder.build();
}

From source file:Main.java

/**
 Hash code for an Object.//from w w  w. ja  v a2s  .c o  m
        
 <P><tt>aObject</tt> is a possibly-null object field, and possibly an array.
        
 If <tt>aObject</tt> is an array, then each element may be a primitive
 or a possibly-null object.
 */
public static int hash(int aSeed, Object aObject) {

    int result = aSeed;

    if (aObject == null) {

        result = hash(result, 0);
    } else if (!isArray(aObject)) {

        result = hash(result, aObject.hashCode());
    } else {

        int length = Array.getLength(aObject);

        for (int idx = 0; idx < length; ++idx) {

            Object item = Array.get(aObject, idx);

            //recursive call!
            result = hash(result, item);
        }
    }

    return result;
}

From source file:com.bxf.hradmin.common.utils.QueryParameterTransformer.java

@SuppressWarnings("rawtypes")
private static Object[] asArray(Object value) {
    if (value.getClass().isArray()) {
        Object[] result = new Object[Array.getLength(value)];
        for (int i = 0; i < result.length; ++i) {
            result[i] = Array.get(value, i);
        }//w  w w  . jav  a 2  s  . c o m
        return result;
    } else if (value instanceof Collection) {
        return ((Collection) value).toArray();
    }
    return new Object[] { value };
}

From source file:de.alpharogroup.lang.ObjectExtensions.java

/**
 * Try to clone the given object.//from ww  w .j  a  v a 2s.co  m
 *
 * @param object
 *            The object to clone.
 * @return The cloned object or null if the clone process failed.
 * @throws NoSuchMethodException
 *             the no such method exception
 * @throws SecurityException
 *             Thrown if the security manager indicates a security violation.
 * @throws IllegalAccessException
 *             the illegal access exception
 * @throws IllegalArgumentException
 *             the illegal argument exception
 * @throws InvocationTargetException
 *             the invocation target exception
 * @throws ClassNotFoundException
 *             the class not found exception
 * @throws InstantiationException
 *             the instantiation exception
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
public static Object cloneObject(final Object object)
        throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException,
        InvocationTargetException, ClassNotFoundException, InstantiationException, IOException {
    Object clone = null;
    // Try to clone the object if it implements Serializable.
    if (object instanceof Serializable) {
        clone = SerializedObjectUtils.copySerializedObject((Serializable) object);
        if (clone != null) {
            return clone;
        }
    }
    // Try to clone the object if it is Cloneble.
    if (clone == null && object instanceof Cloneable) {

        if (object.getClass().isArray()) {
            final Class<?> componentType = object.getClass().getComponentType();
            if (componentType.isPrimitive()) {
                int length = Array.getLength(object);
                clone = Array.newInstance(componentType, length);
                while (length-- > 0) {
                    Array.set(clone, length, Array.get(object, length));
                }
            } else {
                clone = ((Object[]) object).clone();
            }
            if (clone != null) {
                return clone;
            }
        }
        final Class<?> clazz = object.getClass();
        final Method cloneMethod = clazz.getMethod("clone", (Class[]) null);
        clone = cloneMethod.invoke(object, (Object[]) null);
        if (clone != null) {
            return clone;
        }
    }
    // Try to clone the object by copying all his properties with
    // the BeanUtils.copyProperties() method.
    if (clone == null) {
        clone = ReflectionUtils.getNewInstance(object);
        BeanUtils.copyProperties(clone, object);
    }
    return clone;
}

From source file:com.github.ibole.infrastructure.persistence.db.mybatis.pagination.PagingParametersFinder.java

/**
 * Find whether it contains the <code>PaginationCriteria</code> object in the array.
 *
 * @param array the array.//  w w w.j a  v a 2s . c  o m
 * @return PageQuery
 */
private PagingCriteria findCriteriaFromArray(Object array) {
    if (searchMap.containsKey(array)) {
        return null;
    }

    Object object;
    PagingCriteria pc;
    for (int i = 0; i < Array.getLength(array); i++) {
        object = Array.get(array, i);
        pc = findCriteriaFromObject(object);
        if (pc != null) {
            searchMap.put(array, SqlHelper.EMPTY);
            return pc;
        }
    }
    searchMap.put(array, SqlHelper.EMPTY);
    return null;
}

From source file:mil.jpeojtrs.sca.util.PrimitiveArrayUtils.java

public static char[] convertToCharArray(final Object array) {
    if (array == null) {
        return null;
    }//w w  w.ja v a2 s. co m
    if (array instanceof char[]) {
        return (char[]) array;
    }
    if (array instanceof Character[]) {
        return ArrayUtils.toPrimitive((Character[]) array);
    }
    final char[] newArray = new char[Array.getLength(array)];
    for (int i = 0; i < newArray.length; i++) {
        final Object obj = Array.get(array, i);
        if (obj instanceof Character) {
            newArray[i] = (Character) Array.get(array, i);
        } else {
            newArray[i] = (char) ((Number) Array.get(array, i)).byteValue();
        }
    }
    return newArray;
}