842 lines
35 KiB
Java
842 lines
35 KiB
Java
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/*
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* Copyright (C) 2014 The Android Open Source Project
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* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.lang.reflect;
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import dalvik.annotation.optimization.FastNative;
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/**
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* The {@code Array} class provides static methods to dynamically create and
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* access Java arrays.
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*
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* <p>{@code Array} permits widening conversions to occur during a get or set
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* operation, but throws an {@code IllegalArgumentException} if a narrowing
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* conversion would occur.
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*
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* @author Nakul Saraiya
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* @since 1.1
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*/
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public final
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class Array {
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/**
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* Constructor. Class Array is not instantiable.
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*/
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private Array() {}
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/**
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* Creates a new array with the specified component type and
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* length.
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* Invoking this method is equivalent to creating an array
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* as follows:
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* <blockquote>
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* <pre>
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* int[] x = {length};
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* Array.newInstance(componentType, x);
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* </pre>
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* </blockquote>
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*
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* <p>The number of dimensions of the new array must not
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* exceed 255.
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*
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* @param componentType the {@code Class} object representing the
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* component type of the new array
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* @param length the length of the new array
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* @return the new array
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* @exception NullPointerException if the specified
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* {@code componentType} parameter is null
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* @exception IllegalArgumentException if componentType is {@link
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* Void#TYPE} or if the number of dimensions of the requested array
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* instance exceed 255.
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* @exception NegativeArraySizeException if the specified {@code length}
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* is negative
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*/
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public static Object newInstance(Class<?> componentType, int length)
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throws NegativeArraySizeException {
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return newArray(componentType, length);
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}
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/**
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* Creates a new array
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* with the specified component type and dimensions.
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* If {@code componentType}
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* represents a non-array class or interface, the new array
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* has {@code dimensions.length} dimensions and
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* {@code componentType} as its component type. If
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* {@code componentType} represents an array class, the
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* number of dimensions of the new array is equal to the sum
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* of {@code dimensions.length} and the number of
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* dimensions of {@code componentType}. In this case, the
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* component type of the new array is the component type of
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* {@code componentType}.
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*
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* <p>The number of dimensions of the new array must not
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* exceed 255.
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*
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* @param componentType the {@code Class} object representing the component
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* type of the new array
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* @param dimensions an array of {@code int} representing the dimensions of
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* the new array
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* @return the new array
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* @exception NullPointerException if the specified
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* {@code componentType} argument is null
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* @exception IllegalArgumentException if the specified {@code dimensions}
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* argument is a zero-dimensional array, if componentType is {@link
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* Void#TYPE}, or if the number of dimensions of the requested array
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* instance exceed 255.
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* @exception NegativeArraySizeException if any of the components in
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* the specified {@code dimensions} argument is negative.
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*/
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public static Object newInstance(Class<?> componentType, int... dimensions)
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throws IllegalArgumentException, NegativeArraySizeException {
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// Android-changed: New implementation of newInstance(Class, int...).
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if (dimensions.length <= 0 || dimensions.length > 255) {
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throw new IllegalArgumentException("Bad number of dimensions: " + dimensions.length);
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}
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if (componentType == void.class) {
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throw new IllegalArgumentException("Can't allocate an array of void");
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}
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if (componentType == null) {
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throw new NullPointerException("componentType == null");
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}
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return createMultiArray(componentType, dimensions);
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}
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/**
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* Returns the length of the specified array object, as an {@code int}.
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*
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* @param array the array
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* @return the length of the array
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* @exception IllegalArgumentException if the object argument is not
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* an array
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*/
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// Android-changed: Non-native implementation of getLength(Object).
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// Android-changed: Removal of explicit throws IllegalArgumentException from method signature.
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public static int getLength(Object array)
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/* throws IllegalArgumentException */ {
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if (array instanceof Object[]) {
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return ((Object[]) array).length;
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} else if (array instanceof boolean[]) {
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return ((boolean[]) array).length;
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} else if (array instanceof byte[]) {
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return ((byte[]) array).length;
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} else if (array instanceof char[]) {
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return ((char[]) array).length;
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} else if (array instanceof double[]) {
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return ((double[]) array).length;
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} else if (array instanceof float[]) {
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return ((float[]) array).length;
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} else if (array instanceof int[]) {
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return ((int[]) array).length;
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} else if (array instanceof long[]) {
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return ((long[]) array).length;
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} else if (array instanceof short[]) {
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return ((short[]) array).length;
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}
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throw badArray(array);
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}
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/**
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* Returns the value of the indexed component in the specified
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* array object. The value is automatically wrapped in an object
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* if it has a primitive type.
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*
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* @param array the array
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* @param index the index
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* @return the (possibly wrapped) value of the indexed component in
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* the specified array
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* @exception NullPointerException If the specified object is null
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* @exception IllegalArgumentException If the specified object is not
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* an array
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* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
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* argument is negative, or if it is greater than or equal to the
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* length of the specified array
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*/
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// Android-changed: Non-native implementation of get(Object, int).
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public static Object get(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
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if (array instanceof Object[]) {
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return ((Object[]) array)[index];
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}
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if (array instanceof boolean[]) {
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return ((boolean[]) array)[index] ? Boolean.TRUE : Boolean.FALSE;
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}
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if (array instanceof byte[]) {
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return Byte.valueOf(((byte[]) array)[index]);
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}
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if (array instanceof char[]) {
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return Character.valueOf(((char[]) array)[index]);
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}
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if (array instanceof short[]) {
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return Short.valueOf(((short[]) array)[index]);
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}
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if (array instanceof int[]) {
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return Integer.valueOf(((int[]) array)[index]);
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}
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if (array instanceof long[]) {
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return Long.valueOf(((long[]) array)[index]);
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}
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if (array instanceof float[]) {
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return new Float(((float[]) array)[index]);
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}
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if (array instanceof double[]) {
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return new Double(((double[]) array)[index]);
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}
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if (array == null) {
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throw new NullPointerException("array == null");
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}
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throw notAnArray(array);
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}
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/**
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* Returns the value of the indexed component in the specified
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* array object, as a {@code boolean}.
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*
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* @param array the array
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* @param index the index
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* @return the value of the indexed component in the specified array
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* @exception NullPointerException If the specified object is null
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* @exception IllegalArgumentException If the specified object is not
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* an array, or if the indexed element cannot be converted to the
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* return type by an identity or widening conversion
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* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
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* argument is negative, or if it is greater than or equal to the
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* length of the specified array
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* @see Array#get
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*/
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// Android-changed: Non-native implementation of getBoolean(Object, int).
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public static boolean getBoolean(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
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if (array instanceof boolean[]) {
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return ((boolean[]) array)[index];
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}
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throw badArray(array);
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}
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/**
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* Returns the value of the indexed component in the specified
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* array object, as a {@code byte}.
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*
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* @param array the array
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* @param index the index
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* @return the value of the indexed component in the specified array
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* @exception NullPointerException If the specified object is null
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* @exception IllegalArgumentException If the specified object is not
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* an array, or if the indexed element cannot be converted to the
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* return type by an identity or widening conversion
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* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
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* argument is negative, or if it is greater than or equal to the
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* length of the specified array
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* @see Array#get
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*/
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// Android-changed: Non-native implementation of getByte(Object, int).
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public static byte getByte(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
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if (array instanceof byte[]) {
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return ((byte[]) array)[index];
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}
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throw badArray(array);
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}
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/**
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* Returns the value of the indexed component in the specified
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* array object, as a {@code char}.
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*
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* @param array the array
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* @param index the index
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* @return the value of the indexed component in the specified array
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* @exception NullPointerException If the specified object is null
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* @exception IllegalArgumentException If the specified object is not
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* an array, or if the indexed element cannot be converted to the
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* return type by an identity or widening conversion
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* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
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* argument is negative, or if it is greater than or equal to the
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* length of the specified array
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* @see Array#get
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*/
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// Android-changed: Non-native implementation of getChar(Object, int).
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public static char getChar(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
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if (array instanceof char[]) {
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return ((char[]) array)[index];
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}
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throw badArray(array);
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}
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/**
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* Returns the value of the indexed component in the specified
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* array object, as a {@code short}.
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*
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* @param array the array
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* @param index the index
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* @return the value of the indexed component in the specified array
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* @exception NullPointerException If the specified object is null
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* @exception IllegalArgumentException If the specified object is not
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* an array, or if the indexed element cannot be converted to the
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* return type by an identity or widening conversion
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* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
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* argument is negative, or if it is greater than or equal to the
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* length of the specified array
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* @see Array#get
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*/
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// Android-changed: Non-native implementation of getShort(Object, int).
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public static short getShort(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
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if (array instanceof short[]) {
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return ((short[]) array)[index];
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} else if (array instanceof byte[]) {
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return ((byte[]) array)[index];
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}
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throw badArray(array);
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}
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/**
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* Returns the value of the indexed component in the specified
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* array object, as an {@code int}.
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*
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* @param array the array
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* @param index the index
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* @return the value of the indexed component in the specified array
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* @exception NullPointerException If the specified object is null
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* @exception IllegalArgumentException If the specified object is not
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* an array, or if the indexed element cannot be converted to the
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* return type by an identity or widening conversion
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* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
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* argument is negative, or if it is greater than or equal to the
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* length of the specified array
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* @see Array#get
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*/
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// Android-changed: Non-native implementation of getInt(Object, int).
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public static int getInt(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
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if (array instanceof int[]) {
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return ((int[]) array)[index];
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} else if (array instanceof byte[]) {
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return ((byte[]) array)[index];
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} else if (array instanceof char[]) {
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return ((char[]) array)[index];
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} else if (array instanceof short[]) {
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return ((short[]) array)[index];
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}
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throw badArray(array);
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}
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/**
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* Returns the value of the indexed component in the specified
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* array object, as a {@code long}.
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*
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* @param array the array
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* @param index the index
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* @return the value of the indexed component in the specified array
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* @exception NullPointerException If the specified object is null
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* @exception IllegalArgumentException If the specified object is not
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* an array, or if the indexed element cannot be converted to the
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* return type by an identity or widening conversion
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* @exception ArrayIndexOutOfBoundsException If the specified {@code index}
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* argument is negative, or if it is greater than or equal to the
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* length of the specified array
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* @see Array#get
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*/
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// Android-changed: Non-native implementation of getLong(Object, int).
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public static long getLong(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException {
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if (array instanceof long[]) {
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return ((long[]) array)[index];
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} else if (array instanceof byte[]) {
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return ((byte[]) array)[index];
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} else if (array instanceof char[]) {
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return ((char[]) array)[index];
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} else if (array instanceof int[]) {
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return ((int[]) array)[index];
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} 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.
|
||
|
|
}
|