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common-cli 示例
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‎codes/javalib/javalib-cli/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>io.github.dunwu</groupId>
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<artifactId>javalib-cli</artifactId>
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<version>1.0.0</version>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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<maven.compiler.source>${java.version}</maven.compiler.source>
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<maven.compiler.target>${java.version}</maven.compiler.target>
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<dunwu.version>0.4.7</dunwu.version>
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<jna.version>5.4.0</jna.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.apache.commons</groupId>
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<artifactId>commons-lang3</artifactId>
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</dependency>
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<dependency>
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<groupId>commons-cli</groupId>
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<artifactId>commons-cli</artifactId>
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<version>1.4</version>
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</dependency>
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<dependency>
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<groupId>com.github.oshi</groupId>
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<artifactId>oshi-core</artifactId>
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<version>4.1.0</version>
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<exclusions>
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<exclusion>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna</artifactId>
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</exclusion>
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<exclusion>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna-platform</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna</artifactId>
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<version>${jna.version}</version>
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</dependency>
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<dependency>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna-platform</artifactId>
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<version>${jna.version}</version>
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<exclusions>
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<exclusion>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>io.github.dunwu</groupId>
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<artifactId>dunwu-dependencies</artifactId>
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<version>${dunwu.version}</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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</project>

‎codes/javalib/javalib-cli/src/main/java/io/github/dunwu/javalib/AnsiSystem.java‎

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package io.github.dunwu.javalib;
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import io.github.dunwu.javalib.constant.AnsiBgColor;
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import io.github.dunwu.javalib.constant.AnsiColor;
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import io.github.dunwu.javalib.constant.AnsiSgr;
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import io.github.dunwu.javalib.constant.Color;
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import org.apache.commons.lang3.StringUtils;
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/**
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* 以 Ansi 方式在控制台输出（输出彩色字体、粗体、斜体、下划线等）
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*
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* @author <a href="mailto:forbreak@163.com">Zhang Peng</a>
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* @see <a href="https://en.wikipedia.org/wiki/ANSI_escape_code">ANSI escape code</a>
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* @since 2019/10/30
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*/
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public class AnsiSystem {
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private String code;
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private static final String ENCODE_JOIN = ";";
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private static final String ENCODE_START = "\033[";
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private static final String ENCODE_END = "m";
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private static final String RESET = "\033[0;m";
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public static final AnsiSystem RED = new AnsiSystem("\033[;31m");
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public static final AnsiSystem GREEN = new AnsiSystem("\033[;32m");
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public static final AnsiSystem YELLOW = new AnsiSystem("\033[;33m");
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public static final AnsiSystem BLUE = new AnsiSystem("\033[;34m");
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public static final AnsiSystem MAGENTA = new AnsiSystem("\033[;35m");
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public static final AnsiSystem CYAN = new AnsiSystem("\033[;36m");
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public static final AnsiSystem WHITE = new AnsiSystem("\033[;37m");
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public AnsiSystem(String code) {
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this.code = code;
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}
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public AnsiSystem(AnsiConfig config) {
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this.code = encode(config);
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}
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public void print(String message) {
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System.out.print(code + message + RESET);
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}
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public void println(String message) {
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System.out.println(code + message + RESET);
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}
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private String encode(AnsiConfig config) {
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StringBuilder sb = new StringBuilder();
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sb.append(ENCODE_START);
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if (config.isBold()) {
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sb.append(ENCODE_JOIN).append(AnsiSgr.BOLD.getCode());
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}
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if (config.isItalic()) {
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sb.append(ENCODE_JOIN).append(AnsiSgr.ITALIC.getCode());
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}
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if (config.isUnderline()) {
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sb.append(ENCODE_JOIN).append(AnsiSgr.UNDERLINE.getCode());
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}
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if (config.isSlowBlink()) {
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sb.append(ENCODE_JOIN).append(AnsiSgr.SLOW_BLINK.getCode());
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} else {
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if (config.isRapidBlink()) {
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sb.append(ENCODE_JOIN).append(AnsiSgr.RAPID_BLINK.getCode());
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}
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}
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if (config.isReverseVideo()) {
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sb.append(ENCODE_JOIN).append(AnsiSgr.REVERSE_VIDEO.getCode());
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}
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if (config.isCanceal()) {
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sb.append(ENCODE_JOIN).append(AnsiSgr.CONCEAL.getCode());
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}
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if (config.getColor() != null) {
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AnsiColor color = AnsiColor.valueOf(config.getColor().name());
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if (StringUtils.isNotBlank(color.getCode())) {
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sb.append(ENCODE_JOIN).append(color.getCode());
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}
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}
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if (config.getBgColor() != null) {
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AnsiBgColor color = AnsiBgColor.valueOf(config.getBgColor().name());
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if (StringUtils.isNotBlank(color.getCode())) {
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sb.append(ENCODE_JOIN).append(color.getCode());
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}
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}
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sb.append(ENCODE_END);
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return sb.toString();
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}
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public String getCode() {
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return code;
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}
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public void setCode(String code) {
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this.code = code;
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}
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/**
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* Ansi 配置
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*/
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public static class AnsiConfig {
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private boolean bold;
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private boolean italic;
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private boolean underline;
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private boolean slowBlink;
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private boolean rapidBlink;
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private boolean reverseVideo;
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private boolean canceal;
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private Color color;
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private Color bgColor;
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public AnsiConfig() {
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this.bold = false;
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this.italic = false;
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this.underline = false;
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this.slowBlink = false;
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this.rapidBlink = false;
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this.reverseVideo = false;
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this.canceal = false;
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this.color = Color.DEFAULT;
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this.bgColor = Color.DEFAULT;
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}
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public AnsiConfig(boolean bold, boolean italic, boolean underline, boolean slowBlink, boolean rapidBlink,
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boolean reverseVideo, boolean canceal, Color color, Color bgColor) {
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this.bold = bold;
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this.italic = italic;
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this.underline = underline;
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this.slowBlink = slowBlink;
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this.rapidBlink = rapidBlink;
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this.reverseVideo = reverseVideo;
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this.canceal = canceal;
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this.color = color;
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this.bgColor = bgColor;
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}
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public boolean isBold() {
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return bold;
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}
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public void setBold(boolean bold) {
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this.bold = bold;
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}
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public boolean isItalic() {
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return italic;
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}
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public void setItalic(boolean italic) {
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this.italic = italic;
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}
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public boolean isUnderline() {
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return underline;
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}
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public void setUnderline(boolean underline) {
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this.underline = underline;
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}
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public boolean isSlowBlink() {
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return slowBlink;
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}
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public void setSlowBlink(boolean slowBlink) {
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this.slowBlink = slowBlink;
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}
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public boolean isRapidBlink() {
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return rapidBlink;
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}
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public void setRapidBlink(boolean rapidBlink) {
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this.rapidBlink = rapidBlink;
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}
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public boolean isReverseVideo() {
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return reverseVideo;
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}
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public void setReverseVideo(boolean reverseVideo) {
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this.reverseVideo = reverseVideo;
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}
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public boolean isCanceal() {
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return canceal;
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}
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public void setCanceal(boolean canceal) {
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this.canceal = canceal;
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}
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public Color getColor() {
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return color;
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}
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public void setColor(Color color) {
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this.color = color;
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}
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public Color getBgColor() {
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return bgColor;
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}
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public void setBgColor(Color bgColor) {
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this.bgColor = bgColor;
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}
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@Override
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public String toString() {
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return "AnsiParam{" +
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"bold=" + bold +
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", italic=" + italic +
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", underline=" + underline +
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", slowBlink=" + slowBlink +
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", rapidBlink=" + rapidBlink +
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", reverseVideo=" + reverseVideo +
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", canceal=" + canceal +
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", color=" + color +
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", bgColor=" + bgColor +
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'}';
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}
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}
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}

‎codes/javalib/javalib-cli/src/main/java/io/github/dunwu/javalib/CliDemo.java‎

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package io.github.dunwu.javalib;
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import org.apache.commons.cli.ParseException;
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import java.util.Date;
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import java.util.Properties;
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import java.util.Scanner;
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/**
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* @author <a href="mailto:forbreak@163.com">Zhang Peng</a>
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* @since 2019/10/29
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*/
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public class CliDemo {
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public static void main(String[] args) throws ParseException {
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while (true) {
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Scanner scanner = new Scanner(System.in);
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String param = "";
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if (scanner.hasNext()) {
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param = scanner.next();
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}
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switch (param) {
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case "date":
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AnsiSystem.BLUE.println("date = " + new Date());
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break;
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case "area":
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AnsiSystem.BLUE.println("area = " + "China");
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break;
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case "system":
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Properties props = System.getProperties();
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System.out.println("Java的运行环境版本：" + props.getProperty("java.version"));
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System.out.println("默认的临时文件路径：" + props.getProperty("java.io.tmpdir"));
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System.out.println("操作系统的名称：" + props.getProperty("os.name"));
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System.out.println("操作系统的构架：" + props.getProperty("os.arch"));
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System.out.println("操作系统的版本：" + props.getProperty("os.version"));
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System.out.println("用户的账户名称：" + props.getProperty("user.name"));
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System.out.println("用户的主目录：" + props.getProperty("user.home"));
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System.out.println("用户的当前工作目录：" + props.getProperty("user.dir"));
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System.out.println("操作系统：" + props.getProperty("sun.desktop"));
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System.out.println("CPU个数:" + Runtime.getRuntime().availableProcessors());
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System.out.println("虚拟机内存总量:" + Runtime.getRuntime().totalMemory());
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System.out.println("虚拟机空闲内存量:" + Runtime.getRuntime().freeMemory());
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System.out.println("虚拟机使用最大内存量:" + Runtime.getRuntime().maxMemory());
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break;
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case "exit":
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return;
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default:
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System.err.println("invalid param");
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break;
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}
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}
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}
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}

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