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/*
* Copyright (C) 2014 The Android Open Source Project
* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.lang.reflect;
import dalvik.annotation.optimization.FastNative;
/**
* The {@code Array} class provides static methods to dynamically create and
* access Java arrays.
*
* {@code Array} permits widening conversions to occur during a get or set
* operation, but throws an {@code IllegalArgumentException} if a narrowing
* conversion would occur.
*
* @author Nakul Saraiya
*/
public final
class Array {
/**
* Constructor. Class Array is not instantiable.
*/
private Array() {}
/**
* Creates a new array with the specified component type and
* length.
* Invoking this method is equivalent to creating an array
* as follows:
*
*
* int[] x = {length};
* Array.newInstance(componentType, x);
*
*
*
* The number of dimensions of the new array must not
* exceed 255.
*
* @param componentType the {@code Class} object representing the
* component type of the new array
* @param length the length of the new array
* @return the new array
* @exception NullPointerException if the specified
* {@code componentType} parameter is null
* @exception IllegalArgumentException if componentType is {@link
* Void#TYPE} or if the number of dimensions of the requested array
* instance exceed 255.
* @exception NegativeArraySizeException if the specified {@code length}
* is negative
*/
public static Object newInstance(Class componentType, int length)
throws NegativeArraySizeException {
return newArray(componentType, length);
}
/**
* Creates a new array
* with the specified component type and dimensions.
* If {@code componentType}
* represents a non-array class or interface, the new array
* has {@code dimensions.length} dimensions and
* {@code componentType} as its component type. If
* {@code componentType} represents an array class, the
* number of dimensions of the new array is equal to the sum
* of {@code dimensions.length} and the number of
* dimensions of {@code componentType}. In this case, the
* component type of the new array is the component type of
* {@code componentType}.
*
*
The number of dimensions of the new array must not
* exceed 255.
*
* @param componentType the {@code Class} object representing the component
* type of the new array
* @param dimensions an array of {@code int} representing the dimensions of
* the new array
* @return the new array
* @exception NullPointerException if the specified
* {@code componentType} argument is null
* @exception IllegalArgumentException if the specified {@code dimensions}
* argument is a zero-dimensional array, if componentType is {@link
* Void#TYPE}, or if the number of dimensions of the requested array
* instance exceed 255.
* @exception NegativeArraySizeException if any of the components in
* the specified {@code dimensions} argument is negative.
*/
public static Object newInstance(Class componentType, int... dimensions)
throws IllegalArgumentException, NegativeArraySizeException {
// Android-changed: New implementation of newInstance(Class, int...).
if (dimensions.length <= 0 || dimensions.length > 255) {
throw new IllegalArgumentException("Bad number of dimensions: " + dimensions.length);
}
if (componentType == void.class) {
throw new IllegalArgumentException("Can't allocate an array of void");
}
if (componentType == null) {
throw new NullPointerException("componentType == null");
}
return createMultiArray(componentType, dimensions);
}
/**
* Returns the length of the specified array object, as an {@code int}.
*
* @param array the array
* @return the length of the array
* @exception IllegalArgumentException if the object argument is not
* an array
*/
// Android-changed: Non-native implementation of getLength(Object).
// Android-changed: Removal of explicit throws IllegalArgumentException from method signature.
public static int getLength(Object array)
/* throws IllegalArgumentException */ {
if (array instanceof Object[]) {
return ((Object[]) array).length;
} else if (array instanceof boolean[]) {
return ((boolean[]) array).length;
} else if (array instanceof byte[]) {
return ((byte[]) array).length;
} else if (array instanceof char[]) {
return ((char[]) array).length;
} else if (array instanceof double[]) {
return ((double[]) array).length;
} else if (array instanceof float[]) {
return ((float[]) array).length;
} else if (array instanceof int[]) {
return ((int[]) array).length;
} else if (array instanceof long[]) {
return ((long[]) array).length;
} else if (array instanceof short[]) {
return ((short[]) array).length;
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object. The value is automatically wrapped in an object
* if it has a primitive type.
*
* @param array the array
* @param index the index
* @return the (possibly wrapped) value of the indexed component in
* the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
*/
// Android-changed: Non-native implementation of get(Object, int).
public static Object get(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof Object[]) {
return ((Object[]) array)[index];
}
if (array instanceof boolean[]) {
return ((boolean[]) array)[index] ? Boolean.TRUE : Boolean.FALSE;
}
if (array instanceof byte[]) {
return Byte.valueOf(((byte[]) array)[index]);
}
if (array instanceof char[]) {
return Character.valueOf(((char[]) array)[index]);
}
if (array instanceof short[]) {
return Short.valueOf(((short[]) array)[index]);
}
if (array instanceof int[]) {
return Integer.valueOf(((int[]) array)[index]);
}
if (array instanceof long[]) {
return Long.valueOf(((long[]) array)[index]);
}
if (array instanceof float[]) {
return new Float(((float[]) array)[index]);
}
if (array instanceof double[]) {
return new Double(((double[]) array)[index]);
}
if (array == null) {
throw new NullPointerException("array == null");
}
throw notAnArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as a {@code boolean}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getBoolean(Object, int).
public static boolean getBoolean(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof boolean[]) {
return ((boolean[]) array)[index];
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as a {@code byte}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getByte(Object, int).
public static byte getByte(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof byte[]) {
return ((byte[]) array)[index];
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as a {@code char}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getChar(Object, int).
public static char getChar(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof char[]) {
return ((char[]) array)[index];
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as a {@code short}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getShort(Object, int).
public static short getShort(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof short[]) {
return ((short[]) array)[index];
} else if (array instanceof byte[]) {
return ((byte[]) array)[index];
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as an {@code int}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getInt(Object, int).
public static int getInt(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof int[]) {
return ((int[]) array)[index];
} else if (array instanceof byte[]) {
return ((byte[]) array)[index];
} else if (array instanceof char[]) {
return ((char[]) array)[index];
} else if (array instanceof short[]) {
return ((short[]) array)[index];
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as a {@code long}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getLong(Object, int).
public static long getLong(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof long[]) {
return ((long[]) array)[index];
} else if (array instanceof byte[]) {
return ((byte[]) array)[index];
} else if (array instanceof char[]) {
return ((char[]) array)[index];
} else if (array instanceof int[]) {
return ((int[]) array)[index];
} else if (array instanceof short[]) {
return ((short[]) array)[index];
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as a {@code float}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getFloat(Object, int).
public static float getFloat(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof float[]) {
return ((float[]) array)[index];
} else if (array instanceof byte[]) {
return ((byte[]) array)[index];
} else if (array instanceof char[]) {
return ((char[]) array)[index];
} else if (array instanceof int[]) {
return ((int[]) array)[index];
} else if (array instanceof long[]) {
return ((long[]) array)[index];
} else if (array instanceof short[]) {
return ((short[]) array)[index];
}
throw badArray(array);
}
/**
* Returns the value of the indexed component in the specified
* array object, as a {@code double}.
*
* @param array the array
* @param index the index
* @return the value of the indexed component in the specified array
* @exception NullPointerException If the specified object is null
* @exception IllegalArgumentException If the specified object is not
* an array, or if the indexed element cannot be converted to the
* return type by an identity or widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to the
* length of the specified array
* @see Array#get
*/
// Android-changed: Non-native implementation of getDouble(Object, int).
public static double getDouble(Object array, int index)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof double[]) {
return ((double[]) array)[index];
} else if (array instanceof byte[]) {
return ((byte[]) array)[index];
} else if (array instanceof char[]) {
return ((char[]) array)[index];
} else if (array instanceof float[]) {
return ((float[]) array)[index];
} else if (array instanceof int[]) {
return ((int[]) array)[index];
} else if (array instanceof long[]) {
return ((long[]) array)[index];
} else if (array instanceof short[]) {
return ((short[]) array)[index];
}
throw badArray(array);
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified new value. The new value is first
* automatically unwrapped if the array has a primitive component
* type.
* @param array the array
* @param index the index into the array
* @param value the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the array component type is primitive and
* an unwrapping conversion fails
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
*/
// Android-changed: Non-native implementation of set(Object, int, Object).
public static void set(Object array, int index, Object value)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (!array.getClass().isArray()) {
throw notAnArray(array);
}
if (array instanceof Object[]) {
if (value != null && !array.getClass().getComponentType().isInstance(value)) {
throw incompatibleType(array);
}
((Object[]) array)[index] = value;
} else {
if (value == null) {
throw new IllegalArgumentException("Primitive array can't take null values.");
}
if (value instanceof Boolean) {
setBoolean(array, index, ((Boolean) value).booleanValue());
} else if (value instanceof Byte) {
setByte(array, index, ((Byte) value).byteValue());
} else if (value instanceof Character) {
setChar(array, index, ((Character) value).charValue());
} else if (value instanceof Short) {
setShort(array, index, ((Short) value).shortValue());
} else if (value instanceof Integer) {
setInt(array, index, ((Integer) value).intValue());
} else if (value instanceof Long) {
setLong(array, index, ((Long) value).longValue());
} else if (value instanceof Float) {
setFloat(array, index, ((Float) value).floatValue());
} else if (value instanceof Double) {
setDouble(array, index, ((Double) value).doubleValue());
}
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code boolean} value.
* @param array the array
* @param index the index into the array
* @param z the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
// Android-changed: Non-native implementation of setBoolean(Object, int, boolean).
// Android-changed: Removal of explicit runtime exceptions throws clause.
public static void setBoolean(Object array, int index, boolean z)
/* throws IllegalArgumentException, ArrayIndexOutOfBoundsException */ {
if (array instanceof boolean[]) {
((boolean[]) array)[index] = z;
} else {
throw badArray(array);
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code byte} value.
* @param array the array
* @param index the index into the array
* @param b the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
// Android-changed: Non-native implementation of setByte(Object, int, byte).
public static void setByte(Object array, int index, byte b)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof byte[]) {
((byte[]) array)[index] = b;
} else if (array instanceof double[]) {
((double[]) array)[index] = b;
} else if (array instanceof float[]) {
((float[]) array)[index] = b;
} else if (array instanceof int[]) {
((int[]) array)[index] = b;
} else if (array instanceof long[]) {
((long[]) array)[index] = b;
} else if (array instanceof short[]) {
((short[]) array)[index] = b;
} else {
throw badArray(array);
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code char} value.
* @param array the array
* @param index the index into the array
* @param c the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
// Android-changed: Non-native implementation of setChar(Object, int, char).
public static void setChar(Object array, int index, char c)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof char[]) {
((char[]) array)[index] = c;
} else if (array instanceof double[]) {
((double[]) array)[index] = c;
} else if (array instanceof float[]) {
((float[]) array)[index] = c;
} else if (array instanceof int[]) {
((int[]) array)[index] = c;
} else if (array instanceof long[]) {
((long[]) array)[index] = c;
} else {
throw badArray(array);
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code short} value.
* @param array the array
* @param index the index into the array
* @param s the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
// Android-changed: Non-native implementation of setShort(Object, int, short).
public static void setShort(Object array, int index, short s)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof short[]) {
((short[]) array)[index] = s;
} else if (array instanceof double[]) {
((double[]) array)[index] = s;
} else if (array instanceof float[]) {
((float[]) array)[index] = s;
} else if (array instanceof int[]) {
((int[]) array)[index] = s;
} else if (array instanceof long[]) {
((long[]) array)[index] = s;
} else {
throw badArray(array);
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code int} value.
* @param array the array
* @param index the index into the array
* @param i the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
// Android-changed: Non-native implementation of setInt(Object, int, int).
public static void setInt(Object array, int index, int i)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof int[]) {
((int[]) array)[index] = i;
} else if (array instanceof double[]) {
((double[]) array)[index] = i;
} else if (array instanceof float[]) {
((float[]) array)[index] = i;
} else if (array instanceof long[]) {
((long[]) array)[index] = i;
} else {
throw badArray(array);
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code long} value.
* @param array the array
* @param index the index into the array
* @param l the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
// Android-changed: Non-native implementation of setBoolean(Object, int, long).
public static void setLong(Object array, int index, long l)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof long[]) {
((long[]) array)[index] = l;
} else if (array instanceof double[]) {
((double[]) array)[index] = l;
} else if (array instanceof float[]) {
((float[]) array)[index] = l;
} else {
throw badArray(array);
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code float} value.
* @param array the array
* @param index the index into the array
* @param f the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
public static void setFloat(Object array, int index, float f)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof float[]) {
((float[]) array)[index] = f;
} else if (array instanceof double[]) {
((double[]) array)[index] = f;
} else {
throw badArray(array);
}
}
/**
* Sets the value of the indexed component of the specified array
* object to the specified {@code double} value.
* @param array the array
* @param index the index into the array
* @param d the new value of the indexed component
* @exception NullPointerException If the specified object argument
* is null
* @exception IllegalArgumentException If the specified object argument
* is not an array, or if the specified value cannot be converted
* to the underlying array's component type by an identity or a
* primitive widening conversion
* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
* argument is negative, or if it is greater than or equal to
* the length of the specified array
* @see Array#set
*/
// Android-changed: Non-native implementation of setDouble(Object, int, double).
public static void setDouble(Object array, int index, double d)
throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
if (array instanceof double[]) {
((double[]) array)[index] = d;
} else {
throw badArray(array);
}
}
/*
* Private
*/
// Android-added: Added javadocs for newArray(Class, int).
/**
* Returns a new array of the specified component type and length.
* Equivalent to {@code new componentType[size]}.
*
* @throws NullPointerException
* if the component type is null
* @throws NegativeArraySizeException
* if {@code size < 0}
*/
// Android-changed: Non-native implementation of newArray(Class, int).
private static Object newArray(Class componentType, int length)
throws NegativeArraySizeException {
if (!componentType.isPrimitive()) {
return createObjectArray(componentType, length);
} else if (componentType == char.class) {
return new char[length];
} else if (componentType == int.class) {
return new int[length];
} else if (componentType == byte.class) {
return new byte[length];
} else if (componentType == boolean.class) {
return new boolean[length];
} else if (componentType == short.class) {
return new short[length];
} else if (componentType == long.class) {
return new long[length];
} else if (componentType == float.class) {
return new float[length];
} else if (componentType == double.class) {
return new double[length];
} else if (componentType == void.class) {
throw new IllegalArgumentException("Can't allocate an array of void");
}
throw new AssertionError();
}
// Android-removed: multiNewArray(Class, int[]) method. createMultiArray used instead.
/*
private static native Object multiNewArray(Class componentType,
int[] dimensions)
throws IllegalArgumentException, NegativeArraySizeException;
*/
// Android-added: createMultiArray(Class, int[]) method. Used instead of multiNewArray.
/*
* Create a multi-dimensional array of objects with the specified type.
*/
@FastNative
private static native Object createMultiArray(Class componentType, int[] dimensions)
throws NegativeArraySizeException;
// BEGIN Android-added: Helper methods to support custom method implementations.
/*
* Create a one-dimensional array of objects with the specified type.
*/
@FastNative
private static native Object createObjectArray(Class componentType, int length)
throws NegativeArraySizeException;
private static IllegalArgumentException notAnArray(Object o) {
throw new IllegalArgumentException("Not an array: " + o.getClass());
}
private static IllegalArgumentException incompatibleType(Object o) {
throw new IllegalArgumentException("Array has incompatible type: " + o.getClass());
}
private static RuntimeException badArray(Object array) {
if (array == null) {
throw new NullPointerException("array == null");
} else if (!array.getClass().isArray()) {
throw notAnArray(array);
} else {
throw incompatibleType(array);
}
}
// END Android-added: Helper methods to support custom method implementations.
}