package com.test;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
//有兴趣可以自己执行玩耍
public class Test_pkgsString {
static final String[] systemPackages;
static final String[] systemPaths;
static {
// final String pkgsString = AccessController.doPrivileged(new
// PropertyReadAction("jboss.modules.system.pkgs"));
final String pkgsString = "org.javaRasp,org.apache,javax.servlet";
final List<String> list = new ArrayList<String>();
if (pkgsString != null) {
int i;
int nc = -1;
do {
i = nc + 1;
nc = pkgsString.indexOf(',', i);
String part;
if (nc == -1) {
part = pkgsString.substring(i).trim();
} else {
part = pkgsString.substring(i, nc).trim();
}
if (part.length() > 0) {
list.add((part + ".").intern());
}
} while (nc != -1);
}
systemPackages = list.toArray(list.toArray(new String[list.size()]));
final ListIterator<String> iterator = list.listIterator();
// http://youtrack.jetbrains.net/issue/IDEA-72097
// noinspection WhileLoopReplaceableByForEach
while (iterator.hasNext()) {
iterator.set(iterator.next().replace('.', '/'));
}
systemPaths = list.toArray(list.toArray(new String[list.size()]));
for (int i = 0; i < list.size(); i++) {
System.out.println(systemPackages[i]);
System.out.println(systemPaths[i]);
}
}
public static void main(String[] args) {
}
}
class PropertyReadAction implements PrivilegedAction<String> {
private final String key;
private final String defVal;
PropertyReadAction(final String key) {
this(key, null);
}
PropertyReadAction(final String key, final String defVal) {
this.key = key;
this.defVal = defVal;
}
public String run() {
return System.getProperty(key, defVal);
}
}