754 lines
23 KiB
Java
754 lines
23 KiB
Java
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/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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package org.nd4j.base;
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import java.util.*;
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/**
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* Utility method for method checking arguments.
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*
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* @author Alex Black
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*/
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public class Preconditions {
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private static final Map<String,PreconditionsFormat> formatters = new HashMap<>();
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static {
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ServiceLoader<PreconditionsFormat> sl = ServiceLoader.load(PreconditionsFormat.class);
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Iterator<PreconditionsFormat> iter = sl.iterator();
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while(iter.hasNext()){
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PreconditionsFormat pf = iter.next();
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List<String> formatTags = pf.formatTags();
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for(String s : formatTags){
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formatters.put(s, pf);
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}
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}
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}
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private Preconditions(){ }
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/**
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* Check the specified boolean argument. Throws an IllegalArgumentException if {@code b} is false
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*
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* @param b Argument to check
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*/
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public static void checkArgument(boolean b) {
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if (!b) {
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throw new IllegalArgumentException();
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}
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}
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/**
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* Check the specified boolean argument. Throws an IllegalArgumentException with the specified message if {@code b} is false
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*
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* @param b Argument to check
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* @param message Message for exception. May be null
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*/
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public static void checkArgument(boolean b, String message) {
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if (!b) {
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throwEx(message);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, int arg1) {
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if (!b) {
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throwEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, long arg1) {
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if (!b) {
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throwEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, double arg1) {
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if (!b) {
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throwEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, Object arg1) {
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if (!b) {
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throwEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, int arg1, int arg2) {
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if (!b) {
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throwEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, long arg1, long arg2) {
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if (!b) {
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throwEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, double arg1, double arg2) {
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if (!b) {
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throwEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, Object arg1, Object arg2) {
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if (!b) {
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throwEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, int arg1, int arg2, int arg3) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, long arg1, long arg2, long arg3) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, double arg1, double arg2, double arg3) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, Object arg1, Object arg2, Object arg3) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, int arg1, int arg2, int arg3, int arg4) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3, arg4);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, long arg1, long arg2, long arg3, long arg4) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3, arg4);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, double arg1, double arg2, double arg3, double arg4) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3, arg4);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, Object arg1, Object arg2, Object arg3, Object arg4) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3, arg4);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, Object arg1, Object arg2, Object arg3, Object arg4, Object arg5) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3, arg4, arg5);
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}
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}
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/**
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* See {@link #checkArgument(boolean, String, Object...)}
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*/
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public static void checkArgument(boolean b, String msg, Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6) {
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if (!b) {
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throwEx(msg, arg1, arg2, arg3, arg4, arg5, arg6);
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}
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}
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/**
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* Check the specified boolean argument. Throws an IllegalArgumentException with the specified message if {@code b} is false.
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* Note that the message may specify argument locations using "%s" - for example,
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* {@code checkArgument(false, "Got %s values, expected %s", 3, "more"} would throw an IllegalArgumentException
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* with the message "Got 3 values, expected more"
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*
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* @param b Argument to check
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* @param message Message for exception. May be null.
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* @param args Arguments to place in message
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*/
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public static void checkArgument(boolean b, String message, Object... args) {
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if (!b) {
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throwEx(message, args);
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}
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}
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/**
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* Check the specified boolean argument. Throws an IllegalStateException if {@code b} is false
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*
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* @param b State to check
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*/
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public static void checkState(boolean b) {
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if (!b) {
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throw new IllegalStateException();
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}
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}
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/**
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* Check the specified boolean argument. Throws an IllegalStateException with the specified message if {@code b} is false
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*
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* @param b State to check
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* @param message Message for exception. May be null
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*/
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public static void checkState(boolean b, String message) {
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if (!b) {
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throwStateEx(message);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, int arg1) {
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if (!b) {
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throwStateEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, long arg1) {
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if (!b) {
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throwStateEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, double arg1) {
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if (!b) {
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throwStateEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, Object arg1) {
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if (!b) {
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throwStateEx(msg, arg1);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, int arg1, int arg2) {
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if (!b) {
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throwStateEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, long arg1, long arg2) {
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if (!b) {
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throwStateEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, double arg1, double arg2) {
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if (!b) {
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throwStateEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, Object arg1, Object arg2) {
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if (!b) {
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throwStateEx(msg, arg1, arg2);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, int arg1, int arg2, int arg3) {
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if (!b) {
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throwStateEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, long arg1, long arg2, long arg3) {
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if (!b) {
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throwStateEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, double arg1, double arg2, double arg3) {
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if (!b) {
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throwStateEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, Object arg1, Object arg2, Object arg3) {
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if (!b) {
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throwStateEx(msg, arg1, arg2, arg3);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, int arg1, int arg2, int arg3, int arg4) {
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if (!b) {
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throwStateEx(msg, arg1, arg2, arg3, arg4);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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public static void checkState(boolean b, String msg, long arg1, long arg2, long arg3, long arg4) {
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if (!b) {
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throwStateEx(msg, arg1, arg2, arg3, arg4);
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}
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}
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/**
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* See {@link #checkState(boolean, String, Object...)}
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*/
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|
public static void checkState(boolean b, String msg, double arg1, double arg2, double arg3, double arg4) {
|
||
|
|
if (!b) {
|
||
|
|
throwStateEx(msg, arg1, arg2, arg3, arg4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkState(boolean, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkState(boolean b, String msg, Object arg1, Object arg2, Object arg3, Object arg4) {
|
||
|
|
if (!b) {
|
||
|
|
throwStateEx(msg, arg1, arg2, arg3, arg4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkState(boolean, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkState(boolean b, String msg, Object arg1, Object arg2, Object arg3, Object arg4, Object arg5) {
|
||
|
|
if (!b) {
|
||
|
|
throwStateEx(msg, arg1, arg2, arg3, arg4, arg5);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkState(boolean, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkState(boolean b, String msg, Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Object arg6) {
|
||
|
|
if (!b) {
|
||
|
|
throwStateEx(msg, arg1, arg2, arg3, arg4, arg5, arg6);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check the specified boolean argument. Throws an IllegalStateException with the specified message if {@code b} is false.
|
||
|
|
* Note that the message may specify argument locations using "%s" - for example,
|
||
|
|
* {@code checkArgument(false, "Got %s values, expected %s", 3, "more"} would throw an IllegalStateException
|
||
|
|
* with the message "Got 3 values, expected more"
|
||
|
|
*
|
||
|
|
* @param b Argument to check
|
||
|
|
* @param message Message for exception. May be null.
|
||
|
|
* @param args Arguments to place in message
|
||
|
|
*/
|
||
|
|
public static void checkState(boolean b, String message, Object... args) {
|
||
|
|
if (!b) {
|
||
|
|
throwStateEx(message, args);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check the specified boolean argument. Throws an NullPointerException if {@code o} is false
|
||
|
|
*
|
||
|
|
* @param o Object to check
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o) {
|
||
|
|
if (o == null) {
|
||
|
|
throw new NullPointerException();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check the specified boolean argument. Throws an NullPointerException with the specified message if {@code o} is false
|
||
|
|
*
|
||
|
|
* @param o Object to check
|
||
|
|
* @param message Message for exception. May be null
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String message) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(message);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, int arg1) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, long arg1) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, double arg1) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, Object arg1) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, int arg1, int arg2) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, long arg1, long arg2) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, double arg1, double arg2) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, Object arg1, Object arg2) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, int arg1, int arg2, int arg3) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, long arg1, long arg2, long arg3) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, double arg1, double arg2, double arg3) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, Object arg1, Object arg2, Object arg3) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, int arg1, int arg2, int arg3, int arg4) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3, arg4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, long arg1, long arg2, long arg3, long arg4) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3, arg4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, double arg1, double arg2, double arg3, double arg4) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3, arg4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* See {@link #checkNotNull(Object, String, Object...)}
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String msg, Object arg1, Object arg2, Object arg3, Object arg4) {
|
||
|
|
if (o == null) {
|
||
|
|
throwNullPointerEx(msg, arg1, arg2, arg3, arg4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check the specified boolean argument. Throws an IllegalStateException with the specified message if {@code o} is false.
|
||
|
|
* Note that the message may specify argument locations using "%s" - for example,
|
||
|
|
* {@code checkArgument(false, "Got %s values, expected %s", 3, "more"} would throw an IllegalStateException
|
||
|
|
* with the message "Got 3 values, expected more"
|
||
|
|
*
|
||
|
|
* @param o Object to check
|
||
|
|
* @param message Message for exception. May be null.
|
||
|
|
* @param args Arguments to place in message
|
||
|
|
*/
|
||
|
|
public static void checkNotNull(Object o, String message, Object... args) {
|
||
|
|
if (o == null) {
|
||
|
|
throwStateEx(message, args);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void throwEx(String message, Object... args) {
|
||
|
|
String f = format(message, args);
|
||
|
|
throw new IllegalArgumentException(f);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void throwStateEx(String message, Object... args) {
|
||
|
|
String f = format(message, args);
|
||
|
|
throw new IllegalStateException(f);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void throwNullPointerEx(String message, Object... args) {
|
||
|
|
String f = format(message, args);
|
||
|
|
throw new NullPointerException(f);
|
||
|
|
}
|
||
|
|
|
||
|
|
private static String format(String message, Object... args) {
|
||
|
|
if (message == null) {
|
||
|
|
message = "";
|
||
|
|
}
|
||
|
|
if (args == null) {
|
||
|
|
args = new Object[]{"null"};
|
||
|
|
}
|
||
|
|
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
|
||
|
|
int indexOfStart = 0;
|
||
|
|
boolean consumedMessageFully = false;
|
||
|
|
for (int i = 0; i < args.length; i++) {
|
||
|
|
//First: scan for next tag. This could be a %s, or it could be a custom loader for Preconditions class (PreconditionsFormat)
|
||
|
|
int nextIdx = message.indexOf("%s", indexOfStart);
|
||
|
|
|
||
|
|
int nextCustom = -1;
|
||
|
|
String nextCustomTag = null;
|
||
|
|
for(String s : formatters.keySet()){
|
||
|
|
int idxThis = message.indexOf(s, indexOfStart);
|
||
|
|
if(idxThis > 0 && (nextCustom < 0 || idxThis < nextCustom)){
|
||
|
|
nextCustom = idxThis;
|
||
|
|
nextCustomTag = s;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nextIdx < 0 && nextCustom < 0) {
|
||
|
|
//Malformed message: No more "%s" (or custom tags) to replace, but more message args
|
||
|
|
if (!consumedMessageFully) {
|
||
|
|
sb.append(message.substring(indexOfStart));
|
||
|
|
consumedMessageFully = true;
|
||
|
|
sb.append(" [");
|
||
|
|
while (i < args.length) {
|
||
|
|
sb.append(formatArg(args[i]));
|
||
|
|
if (i < args.length - 1) {
|
||
|
|
sb.append(",");
|
||
|
|
}
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
sb.append("]");
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if(nextCustom < 0 || (nextIdx > 0 && nextIdx < nextCustom)){
|
||
|
|
//%s tag
|
||
|
|
sb.append(message.substring(indexOfStart, nextIdx))
|
||
|
|
.append(formatArg(args[i]));
|
||
|
|
indexOfStart = nextIdx + 2;
|
||
|
|
} else {
|
||
|
|
//Custom tag
|
||
|
|
sb.append(message.substring(indexOfStart, nextCustom));
|
||
|
|
String s = formatters.get(nextCustomTag).format(nextCustomTag, args[i]);
|
||
|
|
sb.append(s);
|
||
|
|
indexOfStart = nextCustom + nextCustomTag.length();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!consumedMessageFully) {
|
||
|
|
sb.append(message.substring(indexOfStart));
|
||
|
|
}
|
||
|
|
|
||
|
|
return sb.toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
private static String formatArg(Object o){
|
||
|
|
if(o == null){
|
||
|
|
return "null";
|
||
|
|
}
|
||
|
|
if(o.getClass().isArray()){
|
||
|
|
return formatArray(o);
|
||
|
|
}
|
||
|
|
return o.toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
public static String formatArray(Object o){
|
||
|
|
if(o == null)
|
||
|
|
return "null";
|
||
|
|
|
||
|
|
if(o.getClass().getComponentType().isPrimitive()){
|
||
|
|
if(o instanceof byte[]) {
|
||
|
|
return Arrays.toString((byte[])o);
|
||
|
|
} else if(o instanceof int[]){
|
||
|
|
return Arrays.toString((int[])o);
|
||
|
|
} else if(o instanceof long[]){
|
||
|
|
return Arrays.toString((long[])o);
|
||
|
|
} else if(o instanceof float[]){
|
||
|
|
return Arrays.toString((float[])o);
|
||
|
|
} else if(o instanceof double[]){
|
||
|
|
return Arrays.toString((double[])o);
|
||
|
|
} else if(o instanceof char[]){
|
||
|
|
return Arrays.toString((char[])o);
|
||
|
|
} else if(o instanceof boolean[]) {
|
||
|
|
return Arrays.toString((boolean[])o);
|
||
|
|
} else if(o instanceof short[]){
|
||
|
|
return Arrays.toString((short[])o);
|
||
|
|
} else {
|
||
|
|
//Should never happen
|
||
|
|
return o.toString();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
Object[] arr = (Object[])o;
|
||
|
|
return Arrays.toString(arr);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|