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package com.github.andyshao.lang;

/**
 * 
 * Descript:Some of general system porperties. A kind of convenient way which can take the system properties.

 * Copyright: Copyright(c) Oct 31, 2014

 * Encoding:UNIX UTF-8
 * @author Andy.Shao
 *
 */
public enum GeneralSystemProperty {
	AWT_TOOLKIT("awt.toolkit"),
	FILE_ENCODING("file.encoding"),
	FILE_ENCODING_PKG("file.encoding.pkg"),
	FILE_SEPARATOR("file.separator"),
	JAVA_AWT_GRAPHICSENV("java.awt.graphicsenv"),
	JAVA_AWT_PRINTERJOB("java.awt.printerjob"),
	JAVA_CLASS_PATH("java.class.path"),
	JAVA_CLASS_VERSION("java.class.version"),
	JAVA_ENDORSED_DIRS("java.endorsed.dirs"),
	JAVA_EXT_DIRS("java.ext.dirs"),
	JAVA_HOME("java.home"),
	JAVA_IO_TMPDIR("java.io.tmpdir"),
	JAVA_LIBRARY_PATH("java.library.path"),
	JAVA_RUNTIME_NAME("java.runtime.name"),
	JAVA_RUNTIME_VERSION("java.runtime.version"),
	JAVA_SPECIFICATION_NAME("java.specification.name"),
	JAVA_SPECIFICATION_VENDOR("java.specification.vendor"),
	JAVA_SPECIFICATION_VERSION("java.specification.version"),
	JAVA_VENDOR("java.vendor"),
	JAVA_VENDOR_URL("java.vendor.url"),
	JAVA_VENDOR_URL_BUG("java.vendor.url.bug"),
	JAVA_VERSION("java.version"),
	JAVA_VM_INFO("java.vm.info"),
	JAVA_VM_NAME("java.vm.name"),
	JAVA_VM_SEPECIFICATION_VENDOR("java.vm.specification.vendor"),
	JAVA_VM_SPECIFICATION_NAME("java.vm.specification.name"),
	JAVA_VM_SPECIFICATION_VERSION("java.vm.specification.version"),
	JAVA_VM_VENDOR("java.vm.vendor"),
	JAVA_VM_VERSION("java.vm.version"),
	LINE_SEPARATOR("line.separator"),
	OS_ARCH("os.arch"),
	OS_NAME("os.name"),
	OS_VERSION("os.version"),
	PATH_SEPARATOR("path.separator"),
	USER_COUNTRY("user.country"),
	USER_DIR("user.dir"),
	USER_HOME("user.home"),
	USER_LANGUAGE("user.language"),
	USER_NAME("user.name"),
	USER_SCRIPT("user.script"),
	USER_TIMEZONE("user.timezone"),
	USER_VARIANT("user.variant")
	;
	
	
	private final String keyName;
	
	private GeneralSystemProperty() {
		this(null);
	}
	private GeneralSystemProperty(String keyName) {
		this.keyName = keyName;
	}
	
	@Override
	public String toString() {
		return System.getProperty(this.keyName==null ? super.toString() : this.keyName);
	}

}