/** * Changes the permissions of directory or file with the path specified in args. * * @param path The {@link AlluxioURI} path as the input of the command * @param modeStr The new permission to be updated to the file or directory * @param recursive Whether change the permission recursively */ private void chmod(AlluxioURI path, String modeStr, boolean recursive) throws AlluxioException, IOException { Mode mode = ModeParser.parse(modeStr); SetAttributePOptions options = SetAttributePOptions.newBuilder().setMode(mode.toProto()).setRecursive(recursive).build(); mFileSystem.setAttribute(path, options); System.out .println("Changed permission of " + path + " to " + Integer.toOctalString(mode.toShort())); }
/** * Parses the given value as a mode. * @param value Value * @return Mode */ public static Mode parse(String value) { if (StringUtils.isBlank(value)) { throw new IllegalArgumentException(ExceptionMessage.INVALID_MODE.getMessage(value)); } try { return parseNumeric(value); } catch (NumberFormatException e) { // Treat as symbolic return parseSymbolic(value); } }
@Test public void symbolicsBadPermissions() { mThrown.expect(IllegalArgumentException.class); mThrown.expectMessage(ExceptionMessage.INVALID_MODE_SEGMENT .getMessage("u=Xst", "u=Xst", "Xst")); ModeParser.parse("u=Xst"); } }
/** * Parses the given value as a mode. * @param value Value * @return Mode */ public static Mode parse(String value) { if (StringUtils.isBlank(value)) { throw new IllegalArgumentException(ExceptionMessage.INVALID_MODE.getMessage(value)); } try { return parseNumeric(value); } catch (NumberFormatException e) { // Treat as symbolic return parseSymbolic(value); } }
@Test public void symbolicsBadEmpty() { mThrown.expect(IllegalArgumentException.class); mThrown.expectMessage(ExceptionMessage.INVALID_MODE.getMessage("")); ModeParser.parse(""); }
@Test public void symbolicsBadWhitespace() { mThrown.expect(IllegalArgumentException.class); mThrown.expectMessage(ExceptionMessage.INVALID_MODE.getMessage(" ")); ModeParser.parse(" "); }
@Test public void symbolicsBadTargets() { mThrown.expect(IllegalArgumentException.class); mThrown.expectMessage(ExceptionMessage.INVALID_MODE_SEGMENT.getMessage("f=r", "f=r", "f")); ModeParser.parse("f=r"); }
@Test public void symbolicsBadNull() { mThrown.expect(IllegalArgumentException.class); mThrown.expectMessage(ExceptionMessage.INVALID_MODE.getMessage((Object) null)); ModeParser.parse(null); }
@Test public void symbolicsBadNoSeparator() { mThrown.expect(IllegalArgumentException.class); mThrown.expectMessage(ExceptionMessage.INVALID_MODE_SEGMENT.getMessage("u=rwx,foo", "foo")); ModeParser.parse("u=rwx,foo"); }
@Test public void numerics() { Mode parsed = ModeParser.parse("777"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getOtherBits()); parsed = ModeParser.parse("755"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.READ_EXECUTE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.READ_EXECUTE, parsed.getOtherBits()); parsed = ModeParser.parse("644"); Assert.assertEquals(Mode.Bits.READ_WRITE, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.READ, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.READ, parsed.getOtherBits()); }
@Test public void symbolicsCumulative() { Mode parsed = ModeParser.parse("u=r,u=w,u=x"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.NONE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.NONE, parsed.getOtherBits()); parsed = ModeParser.parse("g=r,g=w,g=x"); Assert.assertEquals(Mode.Bits.NONE, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.NONE, parsed.getOtherBits()); parsed = ModeParser.parse("o=r,o=w,o=x"); Assert.assertEquals(Mode.Bits.NONE, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.NONE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getOtherBits()); }
@Test public void symbolicsCombined() { Mode parsed = ModeParser.parse("a=rwx"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getOtherBits()); parsed = ModeParser.parse("ugo=rwx"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getOtherBits()); parsed = ModeParser.parse("u=rwx,go=rx"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.READ_EXECUTE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.READ_EXECUTE, parsed.getOtherBits()); parsed = ModeParser.parse("u=rw,go=r"); Assert.assertEquals(Mode.Bits.READ_WRITE, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.READ, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.READ, parsed.getOtherBits()); }
@Test public void symbolicsSeparated() { Mode parsed = ModeParser.parse("u=rwx,g=rwx,o=rwx"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.ALL, parsed.getOtherBits()); parsed = ModeParser.parse("u=rwx,g=rx,o=rx"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.READ_EXECUTE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.READ_EXECUTE, parsed.getOtherBits()); parsed = ModeParser.parse("u=rw,g=r,o=r"); Assert.assertEquals(Mode.Bits.READ_WRITE, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.READ, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.READ, parsed.getOtherBits()); }
@Test public void symbolicsPartial() { Mode parsed = ModeParser.parse("u=rwx"); Assert.assertEquals(Mode.Bits.ALL, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.NONE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.NONE, parsed.getOtherBits()); parsed = ModeParser.parse("go=rw"); Assert.assertEquals(Mode.Bits.NONE, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.READ_WRITE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.READ_WRITE, parsed.getOtherBits()); parsed = ModeParser.parse("o=x"); Assert.assertEquals(Mode.Bits.NONE, parsed.getOwnerBits()); Assert.assertEquals(Mode.Bits.NONE, parsed.getGroupBits()); Assert.assertEquals(Mode.Bits.EXECUTE, parsed.getOtherBits()); }