本文整理匯總了Java中java.net.URLConnection.getPermission方法的典型用法代碼示例。如果您正苦於以下問題：Java URLConnection.getPermission方法的具體用法？Java URLConnection.getPermission怎麽用？Java URLConnection.getPermission使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.net.URLConnection的用法示例。
在下文中一共展示了URLConnection.getPermission方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: check
import java.net.URLConnection; //導入方法依賴的package包/類
static void check(URL url) throws IOException {
SecurityManager security = System.getSecurityManager();
if (security != null) {
URLConnection urlConnection = url.openConnection();
Permission perm = urlConnection.getPermission();
if (perm != null) {
try {
security.checkPermission(perm);
} catch (SecurityException se) {
// fallback to checkRead/checkConnect for pre 1.2
// security managers
if ((perm instanceof java.io.FilePermission) &&
perm.getActions().indexOf("read") != -1) {
security.checkRead(perm.getName());
} else if ((perm instanceof
java.net.SocketPermission) &&
perm.getActions().indexOf("connect") != -1) {
URL locUrl = url;
if (urlConnection instanceof JarURLConnection) {
locUrl = ((JarURLConnection)urlConnection).getJarFileURL();
}
security.checkConnect(locUrl.getHost(),
locUrl.getPort());
} else {
throw se;
}
}
}
}
}
示例2: getPermission
import java.net.URLConnection; //導入方法依賴的package包/類
private Permission getPermission(JarFile jarFile) {
try {
URLConnection uc = getConnection(jarFile);
if (uc != null)
return uc.getPermission();
} catch (IOException ioe) {
// gulp
}
return null;
}
示例3: check
import java.net.URLConnection; //導入方法依賴的package包/類
public static void check(URL url) throws IOException {
SecurityManager security = System.getSecurityManager();
if (security != null) {
URLConnection urlConnection = url.openConnection();
Permission perm = urlConnection.getPermission();
if (perm != null) {
try {
security.checkPermission(perm);
} catch (SecurityException se) {
// fallback to checkRead/checkConnect for pre 1.2
// security managers
if ((perm instanceof java.io.FilePermission) &&
perm.getActions().indexOf("read") != -1) {
security.checkRead(perm.getName());
} else if ((perm instanceof
java.net.SocketPermission) &&
perm.getActions().indexOf("connect") != -1) {
URL locUrl = url;
if (urlConnection instanceof JarURLConnection) {
locUrl = ((JarURLConnection)urlConnection).getJarFileURL();
}
security.checkConnect(locUrl.getHost(),
locUrl.getPort());
} else {
throw se;
}
}
}
}
}