cn.featherfly.common.lang.SystemPropertyUtils Maven / Gradle / Ivy
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package cn.featherfly.common.lang;
/**
*
* 系统默认属性工具类
*
*
* @author zhongj
* @since 1.0
* @version 1.0
*/
public final class SystemPropertyUtils {
/**
*/
private SystemPropertyUtils() {
}
private static final String JAVA_VERSION = "java.version";
private static final String JAVA_VENDOR = "java.vendor";
private static final String JAVA_VENDOR_URL = "java.vendor.url";
private static final String JAVA_HOME = "java.home";
private static final String JAVA_VM_SPECIFICATION_VERSION = "java.vm.specification.version";
private static final String JAVA_VM_SPECIFICATION_VENDOR = "java.vm.specification.vendor";
private static final String JAVA_VM_SPECIFICATION_NAME = "java.vm.specification.name";
private static final String JAVA_VM_VERSION = "java.vm.version";
private static final String JAVA_VM_VENDOR = "java.vm.vendor";
private static final String JAVA_VM_NAME = "java.vm.name";
private static final String JAVA_SPECIFICATION_VENDOR = "java.specification.vendor";
private static final String JAVA_SPECIFICATION_NAME = "java.specification.name";
private static final String JAVA_CLASS_VERSION = "java.class.version";
private static final String JAVA_CLASS_PATH = "java.class.path";
private static final String JAVA_LIBRARY_PATH = "java.library.path";
private static final String JAVA_SPECIFICATION_VERSION = "java.specification.version";
private static final String JAVA_IO_TEMDIR = "java.io.tmpdir";
private static final String JAVA_COMPILER = "java.compiler";
private static final String JAVA_EXT_DIRS = "java.ext.dirs";
private static final String OS_NAME = "os.name";
private static final String OS_VERSION = "os.version";
private static final String OS_ARCH = "os.arch";
private static final String FILE_SEPARATOR = "file.separator";
private static final String PATH_SEPARATOR = "path.separator";
private static final String LINE_SEPARATOR = "line.separator";
private static final String USER_NAME = "user.name";
private static final String USER_HOME = "user.home";
private static final String USER_DIR = "user.dir";
//--------------------------------------------------------
// getter
//--------------------------------------------------------
/**
*
* 返回 JavaLibraryPath
*
*
* @return JavaLibraryPath
*/
public static String getJavaLibraryPath() {
return System.getProperty(JAVA_LIBRARY_PATH);
}
/**
*
* 返回 JavaClassPath
*
*
* @return JavaClassPath
*/
public static String getJavaClassPath() {
return System.getProperty(JAVA_CLASS_PATH);
}
/**
*
* 返回 JavaIoTmpdir
*
*
* @return JavaIoTmpdir
*/
public static String getJavaIoTmpdir() {
return System.getProperty(JAVA_IO_TEMDIR);
}
/**
*
* 返回 JavaVersion
*
*
* @return JavaVersion
*/
public static String getJavaVersion() {
return System.getProperty(JAVA_VERSION);
}
/**
*
* 返回 JavaVendor
*
*
* @return JavaVendor
*/
public static String getJavaVendor() {
return System.getProperty(JAVA_VENDOR);
}
/**
*
* 返回 JavaVendorUrl
*
*
* @return JavaVendorUrl
*/
public static String getJavaVendorUrl() {
return System.getProperty(JAVA_VENDOR_URL);
}
/**
*
* 返回 JavaHome
*
*
* @return JavaHome
*/
public static String getJavaHome() {
return System.getProperty(JAVA_HOME);
}
/**
*
* 返回 JavaVmSpecificationVersion
*
*
* @return JavaVmSpecificationVersion
*/
public static String getJavaVmSpecificationVersion() {
return System.getProperty(JAVA_VM_SPECIFICATION_VERSION);
}
/**
*
* 返回 JavaVmSpecificationVendor
*
*
* @return JavaVmSpecificationVendor
*/
public static String getJavaVmSpecificationVendor() {
return System.getProperty(JAVA_VM_SPECIFICATION_VENDOR);
}
/**
*
* 返回 JavaVmSpecificationName
*
*
* @return JavaVmSpecificationName
*/
public static String getJavaVmSpecificationName() {
return System.getProperty(JAVA_VM_SPECIFICATION_NAME);
}
/**
*
* 返回 JavaVmVersion
*
*
* @return JavaVmVersion
*/
public static String getJavaVmVersion() {
return System.getProperty(JAVA_VM_VERSION);
}
/**
*
* 返回 JavaVmVendor
*
*
* @return JavaVmVendor
*/
public static String getJavaVmVendor() {
return System.getProperty(JAVA_VM_VENDOR);
}
/**
*
* 返回 JavaVmName
*
*
* @return JavaVmName
*/
public static String getJavaVmName() {
return System.getProperty(JAVA_VM_NAME);
}
/**
*
* 返回 JavaSpecificationVersion
*
*
* @return JavaSpecificationVersion
*/
public static String getJavaSpecificationVersion() {
return System.getProperty(JAVA_SPECIFICATION_VERSION);
}
/**
*
* 返回 JavaSpecificationVendor
*
*
* @return JavaSpecificationVendor
*/
public static String getJavaSpecificationVendor() {
return System.getProperty(JAVA_SPECIFICATION_VENDOR);
}
/**
*
* 返回 JavaSpecificationName
*
*
* @return JavaSpecificationName
*/
public static String getJavaSpecificationName() {
return System.getProperty(JAVA_SPECIFICATION_NAME);
}
/**
*
* 返回 JavaClassVersion
*
*
* @return JavaClassVersion
*/
public static String getJavaClassVersion() {
return System.getProperty(JAVA_CLASS_VERSION);
}
/**
*
* 返回 JavaCompiler
*
*
* @return JavaCompiler
*/
public static String getJavaCompiler() {
return System.getProperty(JAVA_COMPILER);
}
/**
*
* 返回 ExtDirs
*
*
* @return ExtDirs
*/
public static String getExtDirs() {
return System.getProperty(JAVA_EXT_DIRS);
}
/**
*
* 返回 OsName
*
*
* @return OsName
*/
public static String getOsName() {
return System.getProperty(OS_NAME);
}
/**
*
* 返回 OsArch
*
*
* @return OsArch
*/
public static String getOsArch() {
return System.getProperty(OS_ARCH);
}
/**
*
* 返回 OsVersion
*
*
* @return OsVersion
*/
public static String getOsVersion() {
return System.getProperty(OS_VERSION);
}
/**
*
* 返回 FileSeparator
*
*
* @return FileSeparator
*/
public static String getFileSeparator() {
return System.getProperty(FILE_SEPARATOR);
}
/**
*
* 返回 PathSeparator
*
*
* @return PathSeparator
*/
public static String getPathSeparator() {
return System.getProperty(PATH_SEPARATOR);
}
/**
*
* 返回 LineSeparator
*
*
* @return LineSeparator
*/
public static String getLineSeparator() {
return System.getProperty(LINE_SEPARATOR);
}
/**
*
* 返回 UserName
*
*
* @return UserName
*/
public static String getUserName() {
return System.getProperty(USER_NAME);
}
/**
*
* 返回 UserHome
*
*
* @return UserHome
*/
public static String getUserHome() {
return System.getProperty(USER_HOME);
}
/**
*
* 返回 UserDir
*
*
* @return UserDir
*/
public static String getUserDir() {
return System.getProperty(USER_DIR);
}
/**
*
* 返回 key对应的属性
*
*
* @param key key
* @return key对应的属性
*/
public static String getProperty(String key) {
return System.getProperty(key);
}
// --------------------------------------------------------
// setter
//--------------------------------------------------------
/**
*
* 设置javaLibraryPath
*
*
* @param javaLibraryPath javaLibraryPath
* @return 设置之前的javaLibraryPath
*/
public static String setJavaLibraryPath(String javaLibraryPath) {
return System.setProperty(JAVA_LIBRARY_PATH, javaLibraryPath);
}
/**
*
* 设置javaclassPath
*
*
* @param javaclassPath javaclassPath
* @return 设置之前的javaclassPath
*/
public static String setJavaClassPath(String javaclassPath) {
return System.setProperty(JAVA_CLASS_PATH, javaclassPath);
}
/**
*
* 设置javaIoTmpdir
*
*
* @param javaIoTmpdir javaIoTmpdir
* @return 设置之前的javaIoTmpdir
*/
public static String setJavaIoTmpdir(String javaIoTmpdir) {
return System.setProperty(JAVA_IO_TEMDIR, javaIoTmpdir);
}
/*
* public static String setJavaCompiler(String javaCompiler) { return
* System.setProperty(JAVA_COMPILER, javaCompiler); } public static String
* setExtDirs(String extDirs) { return System.setProperty(JAVA_EXT_DIRS,
* extDirs); } public static String setOsName(String osName) { return
* System.setProperty(OS_NAME, osName); } public static String
* setOsArch(String osArch) { return System.setProperty(OS_ARCH, osArch); }
* public static String setOsVersion(String osVersion) { return
* System.setProperty(OS_VERSION, osVersion); } public static String
* setFileSeparator(String fileSeparator) { return
* System.setProperty(FILE_SEPARATOR, fileSeparator); } public static String
* setPathSeparator(String pathSeparator) { return
* System.setProperty(PATH_SEPARATOR, pathSeparator); } public static String
* setLineSeparator(String lineSeparator) { return
* System.setProperty(LINE_SEPARATOR, lineSeparator); } public static String
* setUserName(String userName) { return System.setProperty(USER_NAME,
* userName); } public static String setUserHome(String userHome) { return
* System.setProperty(USER_HOME, userHome); } public static String
* setUserDir(String userDir) { return System.setProperty(USER_DIR,
* userDir); }
*/
/**
*
* 设置环境变量
*
*
* @param key key
* @param value value
* @return 对应key设置前的value值
*/
public static String setProperty(String key, String value) {
return System.setProperty(key, value);
}
/**
*
* 添加环境变量，如果指定key已经存在值，则再添加到最后，使用PathSeparator隔离（windows ; linux :）
*
*
* @param key key
* @param value value
* @return 对应key设置前的value值
*/
public static String addProperty(String key, String value) {
String pv = getProperty(key);
if (LangUtils.isNotEmpty(pv)) {
value = pv + getPathSeparator() + value;
}
return System.setProperty(key, value);
}
/**
* 返回是否是windows操作系统
*
* @return boolean
*/
public static boolean isWindows() {
return SystemPropertyUtils.getOsName().startsWith("Windows");
}
/**
* 返回是否是linux操作系统
*
* @return boolean
*/
public static boolean isLinux() {
return SystemPropertyUtils.getOsName().startsWith("Linux");
}
}