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cn.featherfly.common.lang.SystemPropertyUtils Maven / Gradle / Ivy

package cn.featherfly.common.lang;

/**
 * 

* 系统默认属性工具类 *

* @author 钟冀 * @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); } }




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