java str

public class DealStr {

public static void main(String[] args) {


String ret = DealStr.dealStr("FA.01.01.01.01.001.001", 1);
System.out.println(ret);
}

/*
* str :
* 例子
* 1:FA.01.01.01.01
     * 2:FA.01.01.01.01.001
     * 3:FA.01.01.01.01.001.001
     * 标准:FA-FA.01-FA.01.01-FA.01.01.01-FA.01.01.01.01:FA.01.01.01.01.001:FA.01.01.01.01.001.001
*
* type : 1 特性 2 功能点 3 用例
*/
private static String dealStr(String str,int type)
{
String ret = "";
StringBuilder sbuilder = new StringBuilder(str);
while(-1 != str.indexOf("."))
{
str = str.substring(0,str.lastIndexOf("."));
sbuilder = sbuilder.append("-").append(str);
}
ret = doDeal(sbuilder.toString(),type);
return ret;
}

private static String doDeal(String reverString, int type) {
StringBuilder sbuilder = new StringBuilder();
String[] arrays = reverString.split("-");
//tmp = sbuilder.toString();

if(1 == type)
{
for(int i=arrays.length-1;i>=0;i--)
{
if(i == 0)
{
sbuilder.append(arrays[i]);
}

else
{
sbuilder.append(arrays[i]).append("-");
}
}
}
if(2 == type)
{
for(int i=arrays.length-1;i>=0;i--)
{
if(i == 0)
{
sbuilder.append(arrays[i]);
}

else
{
if(i == 1)
{
sbuilder.append(arrays[i]).append(":");
}
else
{
sbuilder.append(arrays[i]).append("-");
}
}
}
}
if(3 == type)
{
for(int i=arrays.length-1;i>=0;i--)
{
if(i == 0)
{
sbuilder.append(arrays[i]);
}

else
{
if(i == 1 || i ==2)
{
sbuilder.append(arrays[i]).append(":");
}
else
{
sbuilder.append(arrays[i]).append("-");
}
}
}

}
return sbuilder.toString();
}
}