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147 lines
2.6 KiB
147 lines
2.6 KiB
package mightypork.utils.files;
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import java.io.File;
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public class OsUtils {
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public static enum EnumOS {
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linux, macos, solaris, unknown, windows;
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public boolean isLinux()
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{
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return this == linux || this == solaris;
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}
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public boolean isMac()
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{
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return this == macos;
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}
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public boolean isWindows()
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{
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return this == windows;
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}
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}
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private static EnumOS cachedOs;
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/**
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* Get App dir, ensure it exists
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*
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* @param dirname
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* @return app dir
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*/
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public static File getWorkDir(String dirname)
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{
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return getWorkDir(dirname, true);
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}
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/**
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* Get App sub-folder
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*
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* @param dirname
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* @param subfolderName
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* @param create
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* @return the folder
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*/
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public static File getWorkDir(String dirname, String subfolderName, boolean create)
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{
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File f = new File(getWorkDir(dirname), subfolderName);
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if (!f.exists() && create) {
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if (!f.mkdirs()) {
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throw new RuntimeException("Could not create.");
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}
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}
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return f;
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}
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/**
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* Get App sub-folder, create
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*
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* @param dirname
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* @param subfolderName
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* @return the folder
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*/
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public static File getWorkDir(String dirname, String subfolderName)
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{
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return getWorkDir(dirname, subfolderName, true);
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}
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public static EnumOS getOs()
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{
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if (cachedOs != null) return cachedOs;
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String s = System.getProperty("os.name").toLowerCase();
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if (s.contains("win")) {
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cachedOs = EnumOS.windows;
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} else if (s.contains("mac")) {
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cachedOs = EnumOS.macos;
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} else if (s.contains("linux") || s.contains("unix")) {
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cachedOs = EnumOS.linux;
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} else if (s.contains("solaris") || s.contains("sunos")) {
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cachedOs = EnumOS.solaris;
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} else {
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cachedOs = EnumOS.unknown;
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}
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return cachedOs;
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}
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private static File getWorkDir(String dirname, boolean create)
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{
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String userhome = System.getProperty("user.home", ".");
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File file;
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switch (getOs()) {
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case linux:
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case solaris:
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file = new File(userhome, "." + dirname + '/');
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break;
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case windows:
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String appdata = System.getenv("APPDATA");
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if (appdata != null) {
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file = new File(appdata, "." + dirname + '/');
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} else {
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file = new File(userhome, "." + dirname + '/');
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}
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break;
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case macos:
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file = new File(userhome, "Library/Application Support/" + dirname);
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break;
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default:
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file = new File(userhome, dirname + "/");
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break;
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}
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if (!file.exists() || !file.isDirectory()) {
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if (create) {
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if (!file.mkdirs()) {
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throw new RuntimeException("Could not create working directory.");
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}
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}
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}
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return file;
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}
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}
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