spring Ansi8BitColor 源码
springboot Ansi8BitColor 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/ansi/Ansi8BitColor.java
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.ansi;
import org.springframework.util.Assert;
/**
* {@link AnsiElement} implementation for ANSI 8-bit foreground or background color codes.
*
* @author Toshiaki Maki
* @author Phillip Webb
* @since 2.2.0
* @see #foreground(int)
* @see #background(int)
*/
public final class Ansi8BitColor implements AnsiElement {
private final String prefix;
private final int code;
/**
* Create a new {@link Ansi8BitColor} instance.
* @param prefix the prefix escape chars
* @param code color code (must be 0-255)
* @throws IllegalArgumentException if color code is not between 0 and 255.
*/
private Ansi8BitColor(String prefix, int code) {
Assert.isTrue(code >= 0 && code <= 255, "Code must be between 0 and 255");
this.prefix = prefix;
this.code = code;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || getClass() != obj.getClass()) {
return false;
}
Ansi8BitColor other = (Ansi8BitColor) obj;
return this.prefix.equals(other.prefix) && this.code == other.code;
}
@Override
public int hashCode() {
return this.prefix.hashCode() * 31 + this.code;
}
@Override
public String toString() {
return this.prefix + this.code;
}
/**
* Return a foreground ANSI color code instance for the given code.
* @param code the color code
* @return an ANSI color code instance
*/
public static Ansi8BitColor foreground(int code) {
return new Ansi8BitColor("38;5;", code);
}
/**
* Return a background ANSI color code instance for the given code.
* @param code the color code
* @return an ANSI color code instance
*/
public static Ansi8BitColor background(int code) {
return new Ansi8BitColor("48;5;", code);
}
}
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- 所属分类： 后端技术
- 本文标签： Spring Boot Java Spring
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