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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
493
src/java.base/share/classes/java/lang/reflect/Array.java
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493
src/java.base/share/classes/java/lang/reflect/Array.java
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@ -0,0 +1,493 @@
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/*
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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
|
||||
* 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).
|
||||
*
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||||
* 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.
|
||||
*
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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 jdk.internal.HotSpotIntrinsicCandidate;
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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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return multiNewArray(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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@HotSpotIntrinsicCandidate
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public static native int getLength(Object array)
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throws IllegalArgumentException;
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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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public static native Object get(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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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public static native boolean getBoolean(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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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public static native byte getByte(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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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public static native char getChar(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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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public static native short getShort(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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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public static native int getInt(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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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public static native long getLong(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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 float}.
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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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public static native float getFloat(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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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 double}.
|
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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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public static native double getDouble(Object array, int index)
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
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/**
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* Sets the value of the indexed component of the specified array
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* object to the specified new value. The new value is first
|
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* automatically unwrapped if the array has a primitive component
|
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* type.
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* @param array the array
|
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* @param index the index into the array
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* @param value the new value of the indexed component
|
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* @exception NullPointerException If the specified object argument
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* is null
|
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* @exception IllegalArgumentException If the specified object argument
|
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* is not an array, or if the array component type is primitive and
|
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* an unwrapping conversion fails
|
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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
|
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* the length of the specified array
|
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*/
|
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public static native void set(Object array, int index, Object value)
|
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
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|
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/**
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* Sets the value of the indexed component of the specified array
|
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* object to the specified {@code boolean} value.
|
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* @param array the array
|
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* @param index the index into the array
|
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* @param z the new value of the indexed component
|
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* @exception NullPointerException If the specified object argument
|
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* is null
|
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* @exception IllegalArgumentException If the specified object argument
|
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* is not an array, or if the specified value cannot be converted
|
||||
* to the underlying array's component type by an identity or a
|
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* primitive 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 length of the specified array
|
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* @see Array#set
|
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*/
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public static native void setBoolean(Object array, int index, boolean z)
|
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throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
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|
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/**
|
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* Sets the value of the indexed component of the specified array
|
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* 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
|
||||
*/
|
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public static native void setByte(Object array, int index, byte b)
|
||||
throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
||||
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
public static native void setChar(Object array, int index, char c)
|
||||
throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
||||
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
public static native void setShort(Object array, int index, short s)
|
||||
throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
||||
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
public static native void setInt(Object array, int index, int i)
|
||||
throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
||||
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
public static native void setLong(Object array, int index, long l)
|
||||
throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
||||
|
||||
/**
|
||||
* 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 native void setFloat(Object array, int index, float f)
|
||||
throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
||||
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
public static native void setDouble(Object array, int index, double d)
|
||||
throws IllegalArgumentException, ArrayIndexOutOfBoundsException;
|
||||
|
||||
/*
|
||||
* Private
|
||||
*/
|
||||
|
||||
@HotSpotIntrinsicCandidate
|
||||
private static native Object newArray(Class<?> componentType, int length)
|
||||
throws NegativeArraySizeException;
|
||||
|
||||
private static native Object multiNewArray(Class<?> componentType,
|
||||
int[] dimensions)
|
||||
throws IllegalArgumentException, NegativeArraySizeException;
|
||||
|
||||
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue