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112 lines
3.8 KiB
Java
112 lines
3.8 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package ch.boye.httpclientandroidlib.util;
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import java.util.Collection;
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public class Args {
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public static void check(final boolean expression, final String message) {
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if (!expression) {
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throw new IllegalArgumentException(message);
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}
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}
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public static void check(final boolean expression, final String message, final Object... args) {
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if (!expression) {
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throw new IllegalArgumentException(String.format(message, args));
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}
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}
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public static <T> T notNull(final T argument, final String name) {
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if (argument == null) {
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throw new IllegalArgumentException(name + " may not be null");
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}
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return argument;
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}
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public static <T extends CharSequence> T notEmpty(final T argument, final String name) {
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if (argument == null) {
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throw new IllegalArgumentException(name + " may not be null");
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}
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if (TextUtils.isEmpty(argument)) {
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throw new IllegalArgumentException(name + " may not be empty");
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}
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return argument;
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}
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public static <T extends CharSequence> T notBlank(final T argument, final String name) {
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if (argument == null) {
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throw new IllegalArgumentException(name + " may not be null");
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}
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if (TextUtils.isBlank(argument)) {
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throw new IllegalArgumentException(name + " may not be blank");
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}
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return argument;
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}
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public static <E, T extends Collection<E>> T notEmpty(final T argument, final String name) {
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if (argument == null) {
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throw new IllegalArgumentException(name + " may not be null");
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}
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if (argument.isEmpty()) {
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throw new IllegalArgumentException(name + " may not be empty");
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}
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return argument;
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}
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public static int positive(final int n, final String name) {
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if (n <= 0) {
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throw new IllegalArgumentException(name + " may not be negative or zero");
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}
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return n;
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}
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public static long positive(final long n, final String name) {
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if (n <= 0) {
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throw new IllegalArgumentException(name + " may not be negative or zero");
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}
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return n;
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}
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public static int notNegative(final int n, final String name) {
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if (n < 0) {
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throw new IllegalArgumentException(name + " may not be negative");
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}
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return n;
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}
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public static long notNegative(final long n, final String name) {
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if (n < 0) {
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throw new IllegalArgumentException(name + " may not be negative");
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}
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return n;
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}
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}
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