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better Utils#cleanFileName

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This commit is contained in:
yugecin 2017-05-26 17:57:02 +02:00
parent c8df3d5b57
commit b8dd507dc5
2 changed files with 32 additions and 51 deletions
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67
src/itdelatrisu/opsu/Utils.java
View File

@ -27,7 +27,6 @@ import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.Scanner;
import java.util.jar.JarFile;
@ -45,7 +44,6 @@ import org.newdawn.slick.Color;
import org.newdawn.slick.util.Log;
import com.sun.jna.platform.FileUtils;
import yugecin.opsudance.core.DisplayContainer;
import yugecin.opsudance.core.NotNull;
import yugecin.opsudance.core.Nullable;
import yugecin.opsudance.core.errorhandling.ErrorHandler;
@ -56,30 +54,6 @@ import static yugecin.opsudance.core.InstanceContainer.*;
* Contains miscellaneous utilities.
*/
public class Utils {
/**
* List of illegal filename characters.
* @see #cleanFileName(String, char)
*/
private final static int[] illegalChars = {
34, 60, 62, 124, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 58, 42, 63, 92, 47
};
static {
Arrays.sort(illegalChars);
}
// This class should not be instantiated.
private Utils() {}
/**
* Initializes game settings and class data.
*/
public static void init(DisplayContainer displayContainer) {
// TODO clean this up
// game settings
}
/**
* Draws an animation based on its center.
@ -205,26 +179,31 @@ public class Utils {
}
/**
* Cleans a file name.
* @param badFileName the original name string
* @param replace the character to replace illegal characters with (or 0 if none)
* @return the cleaned file name
* @author Sarel Botha (http://stackoverflow.com/a/5626340)
* Changes bad characters to the replacement char given.
* Bad characters:
* non-printable (0-31)
* " (34) * (42) / (47) : (58)
* < (60) > (62) ? (63) \ (92)
* DEL (124)
*/
public static String cleanFileName(String badFileName, char replace) {
if (badFileName == null)
return null;
boolean doReplace = (replace > 0 && Arrays.binarySearch(illegalChars, replace) < 0);
StringBuilder cleanName = new StringBuilder();
for (int i = 0, n = badFileName.length(); i < n; i++) {
int c = badFileName.charAt(i);
if (Arrays.binarySearch(illegalChars, c) < 0)
cleanName.append((char) c);
else if (doReplace)
cleanName.append(replace);
public static String cleanFileName(@NotNull String badFileName, char replacement) {
char[] chars = badFileName.toCharArray();
long additionalBadChars =
1L << (34 - 32)|
1L << (42 - 32)|
1L << (47 - 32)|
1L << (58 - 32)|
1L << (60 - 32)|
1L << (62 - 32)|
1L << (63 - 32)|
1L << (92 - 32);
for (int i = 0; i < chars.length; i++) {
char c = chars[i];
if (c < 32 || c == 124 || (c < 93 && 0 != (additionalBadChars & (1L << (c - 32))))) {
chars[i] = replacement;
}
return cleanName.toString();
}
return new String(chars);
}
/**

16
src/itdelatrisu/opsu/downloads/Download.java
View File

@ -92,7 +92,7 @@ public class Download {
private String localPath;
/** The local path to rename the file to when finished. */
private String rename;
private String renamedFileName;
/** The download URL. */
private URL url;
@ -137,9 +137,9 @@ public class Download {
* Constructor.
* @param remoteURL the download URL
* @param localPath the path to save the download
* @param rename the file name to rename the download to when complete
* @param renamedFileName the file name to rename the download to when complete
*/
public Download(String remoteURL, String localPath, String rename) {
public Download(String remoteURL, String localPath, String renamedFileName) {
try {
this.url = new URL(remoteURL);
} catch (MalformedURLException e) {
@ -148,7 +148,9 @@ public class Download {
return;
}
this.localPath = localPath;
this.rename = Utils.cleanFileName(rename, '-');
if (renamedFileName != null) {
this.renamedFileName = Utils.cleanFileName(renamedFileName, '-');
}
}
/**
@ -159,7 +161,7 @@ public class Download {
/**
* Returns the local path to save the download (after renamed).
*/
public String getLocalPath() { return (rename != null) ? rename : localPath; }
public String getLocalPath() { return (renamedFileName != null) ? renamedFileName : localPath; }
/**
* Sets the download listener.
@ -263,9 +265,9 @@ public class Download {
status = Status.COMPLETE;
rbc.close();
fos.close();
if (rename != null) {
if (renamedFileName != null) {
Path source = new File(localPath).toPath();
Files.move(source, source.resolveSibling(rename), StandardCopyOption.REPLACE_EXISTING);
Files.move(source, source.resolveSibling(renamedFileName), StandardCopyOption.REPLACE_EXISTING);
}
if (listener != null)
listener.completed();