?? jspenv.java
字號:
/*
* 創建日期 2006-7-29
*
* TODO 要更改此生成的文件的模板,請轉至
* 窗口 - 首選項 - Java - 代碼樣式 - 代碼模板
*/
package test;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Properties;
/**
* @author YE
*
* TODO 要更改此生成的類型注釋的模板,請轉至 窗口 - 首選項 - Java - 代碼樣式 - 代碼模板
*/
public class JSPEnv {
private Hashtable param;
public JSPEnv() {
this.param = new Hashtable();
setHashtable();
}
/**
* @author YE
*
* setHashtable()用來初始化param,用服務器上的相關信息填充這個Hashtable;
*
*/
private void setHashtable() {
Properties sys = System.getProperties();
Enumeration sys_name = sys.propertyNames();
while (sys_name.hasMoreElements()) {
String strKey = (String) sys_name.nextElement();
String strValue = sys.getProperty(strKey);
param.put(strKey, strValue);
}
}
/**
* 以下為public的方法,它們是jsp網頁用來得到服務器的參數,它們不需要任何參數。
*/
public String getJVersion() {
return (String) param.get("java.version");
}
public String getJVendor() {
return (String) param.get("java.vendor");
}
public String getOs() {
String name = (String) param.get("os.name");
String version = (String) param.get("os.version");
String model = (String) param.get("sun.os.patch.level");
return (name + " " + version + " " + model);
}
public String getOsArch() {
return (String) param.get("os.arch");
}
public String getOsModel() {
return (String) param.get("sun.arch.data.model");
}
public String getUCountry() {
return (String) param.get("user.country");
}
public String getULanguage() {
return (String) param.get("user.language");
}
public String getUTimeZone() {
return (String) param.get("user.timezone");
}
public String getUName() {
return (String) param.get("user.name");
}
public String getUDir() {
return (String) param.get("user.dir");
}
public String getJavaRuntime() {
String name = (String) param.get("java.runtime.name");
String version = (String) param.get("java.runtime.version");
return (name + " " + version);
}
public String getJavaSpec() {
String name = (String) param.get("java.specification.name");
String version = (String) param.get("java.specification.version");
return (name + " " + version);
}
public String getJVM() {
String name = (String) param.get("java.vm.name");
String version = (String) param.get("java.vm.version");
return (name + " " + version);
}
public String getJVMSpec() {
String name = (String) param.get("java.vm.specification.name");
String version = (String) param.get("java.vm.specification.version");
return (name + " " + version);
}
}
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