Mega Code Archive
Converts Unicode into something that can be embedded in a java properties file
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/*
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http://www.apache.org/licenses/LICENSE-2.0
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
import java.security.SecureRandom;
import java.util.Random;
public class StringUtils
{
/**
* Converts a string from the Unicode representation into something that can be
* embedded in a java properties file. All references outside the ASCII range
* are replaced with \\uXXXX.
*
* @param s The string to convert
* @return the ASCII string
*/
public static String native2Ascii(String s)
{
StringBuffer sb = new StringBuffer();
for(int i = 0; i < s.length(); i++)
{
char aChar = s.charAt(i);
if ((aChar < 0x0020) || (aChar > 0x007e))
{
sb.append('\\');
sb.append('u');
sb.append(toHex((aChar >> 12) & 0xF));
sb.append(toHex((aChar >> 8) & 0xF));
sb.append(toHex((aChar >> 4) & 0xF));
sb.append(toHex( aChar & 0xF));
}
else
{
sb.append(aChar);
}
}
return sb.toString();
}
private static char toHex(int nibble)
{
final char[] hexDigit =
{
'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'
};
return hexDigit[nibble & 0xF];
}
}
]]>