java.util.FormattableFlags Java Examples
The following examples show how to use
java.util.FormattableFlags.
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Example #1
Source File: SimpleMessageFormatter.java From flogger with Apache License 2.0 | 6 votes |
/** * Returns a string representation of the user supplied formattable, accounting for any possible * runtime exceptions. * * @param value the value to be formatted. * @return a best-effort string representation of the given value, even if exceptions were thrown. */ private static void safeFormatTo(Formattable value, StringBuilder out, FormatOptions options) { // Only care about 3 specific flags for Formattable. int formatFlags = options.getFlags() & (FLAG_LEFT_ALIGN | FLAG_UPPER_CASE | FLAG_SHOW_ALT_FORM); if (formatFlags != 0) { // TODO: Maybe re-order the options flags to make this step easier or use a lookup table. // Note that reordering flags would require a rethink of how they are parsed. formatFlags = ((formatFlags & FLAG_LEFT_ALIGN) != 0 ? FormattableFlags.LEFT_JUSTIFY : 0) | ((formatFlags & FLAG_UPPER_CASE) != 0 ? FormattableFlags.UPPERCASE : 0) | ((formatFlags & FLAG_SHOW_ALT_FORM) != 0 ? FormattableFlags.ALTERNATE : 0); } // We may need to undo an arbitrary amount of appending if there is an error. int originalLength = out.length(); Formatter formatter = new Formatter(out, FORMAT_LOCALE); try { value.formatTo(formatter, formatFlags, options.getWidth(), options.getPrecision()); } catch (RuntimeException e) { out.setLength(originalLength); // We only use a StringBuilder to create the Formatter instance. try { formatter.out().append(getErrorString(value, e)); } catch (IOException impossible) { } } }
Example #2
Source File: TFormatter.java From Bytecoder with Apache License 2.0 | 6 votes |
@Override public void writeTo(final Formatter f, final Object aValueToWrite, final Appendable aOut) throws IOException { if (aValueToWrite == null) { if ((flags & FormattableFlags.UPPERCASE) > 0) { aOut.append("NULL"); } else { aOut.append("null"); } } else if (aValueToWrite instanceof Boolean) { if ((flags & FormattableFlags.UPPERCASE) > 0) { aOut.append(String.valueOf(((Boolean) aValueToWrite).booleanValue()).toUpperCase()); } else { aOut.append(String.valueOf(((Boolean) aValueToWrite).booleanValue())); } } else { if ((flags & FormattableFlags.UPPERCASE) > 0) { aOut.append("true"); } else { aOut.append("true"); } } }
Example #3
Source File: TFormatter.java From Bytecoder with Apache License 2.0 | 6 votes |
@Override public void writeTo(final Formatter f, final Object aValueToWrite, final Appendable aOut) throws IOException { if (aValueToWrite == null) { if ((flags & FormattableFlags.UPPERCASE) > 0) { aOut.append("NULL"); } else { aOut.append("null"); } } else if (aValueToWrite instanceof Formattable) { final Formattable formattable = (Formattable) aValueToWrite; formattable.formatTo(f, flags, width, precision); } else { if ((flags & FormattableFlags.UPPERCASE) > 0) { aOut.append(aValueToWrite.toString().toUpperCase()); } else { aOut.append(aValueToWrite.toString()); } } }
Example #4
Source File: FakeUser.java From SkyBot with GNU Affero General Public License v3.0 | 6 votes |
@Override public void formatTo(Formatter formatter, int flags, int width, int precision) { final boolean alt = (flags & FormattableFlags.ALTERNATE) == FormattableFlags.ALTERNATE; final boolean upper = (flags & FormattableFlags.UPPERCASE) == FormattableFlags.UPPERCASE; final boolean leftJustified = (flags & FormattableFlags.LEFT_JUSTIFY) == FormattableFlags.LEFT_JUSTIFY; String out; if (!alt) { out = getAsMention(); } else if (upper) { out = getAsTag().toUpperCase(); } else { out = getAsTag(); } MiscUtil.appendTo(formatter, width, precision, leftJustified, out); }
Example #5
Source File: UserImpl.java From JDA with Apache License 2.0 | 6 votes |
@Override public void formatTo(Formatter formatter, int flags, int width, int precision) { boolean alt = (flags & FormattableFlags.ALTERNATE) == FormattableFlags.ALTERNATE; boolean upper = (flags & FormattableFlags.UPPERCASE) == FormattableFlags.UPPERCASE; boolean leftJustified = (flags & FormattableFlags.LEFT_JUSTIFY) == FormattableFlags.LEFT_JUSTIFY; String out; if (!alt) out = getAsMention(); else if (upper) out = getAsTag().toUpperCase(); else out = getAsTag(); MiscUtil.appendTo(formatter, width, precision, leftJustified, out); }
Example #6
Source File: Nameable.java From Javacord with Apache License 2.0 | 5 votes |
@Override default void formatTo(Formatter formatter, int flags, int width, int precision) { boolean alternate = (flags & FormattableFlags.ALTERNATE) != 0; String representation = alternate ? this.toString() : this.getName(); boolean uppercase = (flags & FormattableFlags.UPPERCASE) != 0; boolean leftAlign = (flags & FormattableFlags.LEFT_JUSTIFY) != 0; boolean doPad = representation.length() < width; String padString = null; if (doPad) { char[] spaces = new char[width - representation.length()]; Arrays.fill(spaces, ' '); padString = new String(spaces); } try { if (doPad && !leftAlign) { formatter.out().append(padString); } formatter.out().append(uppercase ? representation.toUpperCase() : representation); if (doPad && leftAlign) { formatter.out().append(padString); } } catch (IOException e) { ExceptionLogger.getConsumer().accept(e); } }
Example #7
Source File: Nameable.java From Javacord with Apache License 2.0 | 5 votes |
@Override default void formatTo(Formatter formatter, int flags, int width, int precision) { boolean alternate = (flags & FormattableFlags.ALTERNATE) != 0; String representation = alternate ? this.toString() : this.getName(); boolean uppercase = (flags & FormattableFlags.UPPERCASE) != 0; boolean leftAlign = (flags & FormattableFlags.LEFT_JUSTIFY) != 0; boolean doPad = representation.length() < width; String padString = null; if (doPad) { char[] spaces = new char[width - representation.length()]; Arrays.fill(spaces, ' '); padString = new String(spaces); } try { if (doPad && !leftAlign) { formatter.out().append(padString); } formatter.out().append(uppercase ? representation.toUpperCase() : representation); if (doPad && leftAlign) { formatter.out().append(padString); } } catch (IOException e) { ExceptionLogger.getConsumer().accept(e); } }
Example #8
Source File: IMentionable.java From JDA with Apache License 2.0 | 5 votes |
@Override default void formatTo(Formatter formatter, int flags, int width, int precision) { boolean leftJustified = (flags & FormattableFlags.LEFT_JUSTIFY) == FormattableFlags.LEFT_JUSTIFY; boolean upper = (flags & FormattableFlags.UPPERCASE) == FormattableFlags.UPPERCASE; String out = upper ? getAsMention().toUpperCase(formatter.locale()) : getAsMention(); MiscUtil.appendTo(formatter, width, precision, leftJustified, out); }
Example #9
Source File: TextChannel.java From JDA with Apache License 2.0 | 5 votes |
@Override default void formatTo(Formatter formatter, int flags, int width, int precision) { boolean leftJustified = (flags & FormattableFlags.LEFT_JUSTIFY) == FormattableFlags.LEFT_JUSTIFY; boolean upper = (flags & FormattableFlags.UPPERCASE) == FormattableFlags.UPPERCASE; boolean alt = (flags & FormattableFlags.ALTERNATE) == FormattableFlags.ALTERNATE; String out; if (alt) out = "#" + (upper ? getName().toUpperCase(formatter.locale()) : getName()); else out = getAsMention(); MiscUtil.appendTo(formatter, width, precision, leftJustified, out); }
Example #10
Source File: AbstractMessage.java From JDA with Apache License 2.0 | 5 votes |
@Override public void formatTo(Formatter formatter, int flags, int width, int precision) { boolean upper = (flags & FormattableFlags.UPPERCASE) == FormattableFlags.UPPERCASE; boolean leftJustified = (flags & FormattableFlags.LEFT_JUSTIFY) == FormattableFlags.LEFT_JUSTIFY; String out = content; if (upper) out = out.toUpperCase(formatter.locale()); appendFormat(formatter, width, precision, leftJustified, out); }
Example #11
Source File: ByteSizeStrings.java From brooklyn-server with Apache License 2.0 | 5 votes |
/** * Returns a {@link Formattable} object that can be used with {@link String#format(String, Object...)}. * <p> * When used as the argument for a {@literal %s} format string element, the {@literal bytes} value * will be formatted using the current {@link ByteSizeStrings} values, or if the alternative * flag is set (using the {@literal %#s} format string) it will use the {@link ByteSizeStrings#metric()} * formatter. Finally, the precision of the formatted value can be adjusted using format string * argumenbts like {@literal %.6s}. * * @see http://docs.oracle.com/javase/7/docs/api/java/util/Formatter.html#syntax */ public Formattable formatted(final long bytes) { return new Formattable() { @Override public void formatTo(Formatter formatter, int flags, int width, int precision) { boolean alternate = (flags & FormattableFlags.ALTERNATE) == FormattableFlags.ALTERNATE; ByteSizeStrings strings = alternate ? ByteSizeStrings.metric() : ByteSizeStrings.this; if (precision != -1) { formatter.format("%s", strings.makeSizeString(bytes, precision)); } else { formatter.format("%s", strings.makeSizeString(bytes)); } } }; }
Example #12
Source File: FormatterTest.java From j2objc with Apache License 2.0 | 5 votes |
public void formatTo(Formatter formatter, int flags, int width, int precision) throws IllegalFormatException { if ((flags & FormattableFlags.UPPERCASE) != 0) { formatter.format("CUSTOMIZED FORMAT FUNCTION" + " WIDTH: " + width + " PRECISION: " + precision); } else { formatter.format("customized format function" + " width: " + width + " precision: " + precision); } }
Example #13
Source File: Strings.java From sis with Apache License 2.0 | 4 votes |
/** * Formats the given character sequence to the given formatter. This method takes in account * the {@link FormattableFlags#UPPERCASE} and {@link FormattableFlags#LEFT_JUSTIFY} flags. * * @param formatter the formatter in which to format the value. * @param flags the formatting flags. * @param width minimal number of characters to write, padding with {@code ' '} if necessary. * @param precision number of characters to keep before truncation, or -1 if no limit. * @param value the text to format. */ public static void formatTo(final Formatter formatter, final int flags, int width, int precision, String value) { /* * Converting to upper cases may change the string length in some locales. * So we need to perform this conversion before to check the length. */ boolean isUpperCase = (flags & FormattableFlags.UPPERCASE) != 0; if (isUpperCase && (width > 0 || precision >= 0)) { value = value.toUpperCase(formatter.locale()); isUpperCase = false; // Because conversion has already been done. } /* * If the string is longer than the specified "precision", truncate * and add "…" for letting user know that there is missing characters. * This loop counts the number of Unicode code points rather than characters. */ int length = value.length(); if (precision >= 0) { for (int i=0,n=0; i<length; i += n) { if (--precision < 0) { /* * Found the amount of characters to keep. The 'n' variable can be * zero only if precision == 0, in which case the string is empty. */ if (n == 0) { value = ""; } else { length = (i -= n) + 1; final StringBuilder buffer = new StringBuilder(length); value = buffer.append(value, 0, i).append('…').toString(); } break; } n = Character.charCount(value.codePointAt(i)); } } /* * If the string is shorter than the minimal width, add spaces on the left or right side. * We double check with `width > length` since it is faster than codePointCount(…). */ final String format; final Object[] args; if (width > length && (width -= value.codePointCount(0, length)) > 0) { format = "%s%s"; args = new Object[] {value, value}; args[(flags & FormattableFlags.LEFT_JUSTIFY) != 0 ? 1 : 0] = CharSequences.spaces(width); } else { format = isUpperCase ? "%S" : "%s"; args = new Object[] {value}; } formatter.format(format, args); }
Example #14
Source File: FormattableFlagsTest.java From j2objc with Apache License 2.0 | 4 votes |
public void test_ConstantFieldValues() { assertEquals(1, FormattableFlags.LEFT_JUSTIFY); assertEquals(2, FormattableFlags.UPPERCASE); assertEquals(4, FormattableFlags.ALTERNATE); }
Example #15
Source File: TFormatter.java From Bytecoder with Apache License 2.0 | 4 votes |
FormatSpecifier parseFormatSpecifier() { final FormatSpecifier spec = new FormatSpecifier(); char c = pattern.charAt(parsePosition); int width = -1; int precision = -1; int flags = 0; boolean hasWidth = false; handler: while (true) { if (Character.isDigit(c)) { final int startPosition = parsePosition; while (Character.isDigit(c)) { parsePosition++; c = pattern.charAt(parsePosition); } if (c == '$') { spec.valueIndex = Integer.parseInt(pattern.substring(startPosition, parsePosition)) - 1; } else if (!hasWidth) { width = Integer.parseInt(pattern.substring(startPosition, parsePosition)); hasWidth = true; } else if (precision == -1) { precision = Integer.parseInt(pattern.substring(startPosition, parsePosition)); } else { throw new IllegalStateException(pattern); } } switch (c) { case '.': hasWidth = true; break; case 'b': spec.conversion = new BooleanConversion(width, precision, flags); parsePosition++; break handler; case 'B': spec.conversion = new BooleanConversion(width, precision, flags | FormattableFlags.UPPERCASE); parsePosition++; break handler; case 'h': throw new IllegalArgumentException(pattern); case 'H': throw new IllegalArgumentException(pattern); case 's': spec.conversion = new StringConversion(width, precision, flags); parsePosition++; break handler; case 'S': spec.conversion = new StringConversion(width, precision, flags | FormattableFlags.UPPERCASE); parsePosition++; break handler; case '%': spec.conversion = new PercentConversion(width, precision, flags); parsePosition++; break handler; case 'n': spec.conversion = new LinefeedConversion(width, precision, flags); parsePosition++; break handler; case 'c': case 'C': case 'd': case 'o': case 'x': case 'X': case 'e': case 'E': case 'f': case 'g': case 'G': case 'a': case 'A': throw new IllegalArgumentException(pattern); case 't': case 'T': throw new IllegalArgumentException(pattern); } parsePosition++; c = pattern.charAt(parsePosition); } if (spec.valueIndex == -1) { spec.valueIndex = valueIndex; } return spec; }
Example #16
Source File: AbstractIdentifiedObject.java From sis with Apache License 2.0 | 3 votes |
/** * Formats the name or identifier of this object using the provider formatter. * This method is invoked when an {@code IdentifiedObject} object is formatted * using the {@code "%s"} conversion specifier of {@link java.util.Formatter}. * Users don't need to invoke this method explicitly. * * <p>If the alternate flags is present (as in {@code "%#s"}), then this method * will format the identifier (if present) instead than the object name.</p> * * @param formatter the formatter in which to format this identified object. * @param flags whether to apply left alignment, use upper-case letters and/or use alternate form. * @param width minimal number of characters to write, padding with {@code ' '} if necessary. * @param precision maximal number of characters to write, or -1 if no limit. * * @see IdentifiedObjects#getName(IdentifiedObject, Citation) * @see IdentifiedObjects#getIdentifierOrName(IdentifiedObject) * * @since 1.1 */ @Override public void formatTo(final java.util.Formatter formatter, final int flags, final int width, final int precision) { final String value; if ((flags & FormattableFlags.ALTERNATE) != 0) { value = IdentifiedObjects.getIdentifierOrName(this); } else { value = IdentifiedObjects.getName(this, null); } Strings.formatTo(formatter, flags, width, precision, value); }
Example #17
Source File: Range.java From sis with Apache License 2.0 | 3 votes |
/** * Formats this range using the provider formatter. This method is invoked when a * {@code Range} object is formatted using the {@code "%s"} conversion specifier of * {@link Formatter}. Users don't need to invoke this method explicitly. * * <p>If the alternate flags is present (as in {@code "%#s"}), then the range will * be formatted using the {@linkplain RangeFormat#isAlternateForm() alternate form} * for exclusive bounds.</p> * * @param formatter the formatter in which to format this range. * @param flags {@link FormattableFlags#LEFT_JUSTIFY} for left alignment, or 0 for right alignment. * @param width minimal number of characters to write, padding with {@code ' '} if necessary. * @param precision maximal number of characters to write, or -1 if no limit. */ @Override public void formatTo(final Formatter formatter, final int flags, final int width, int precision) { final String value; if (precision == 0) { value = ""; } else { final RangeFormat format = new RangeFormat(formatter.locale(), elementType); format.setAlternateForm((flags & FormattableFlags.ALTERNATE) != 0); value = format.format(this, new StringBuffer(), null).toString(); } Strings.formatTo(formatter, flags, width, precision, value); }