flogger-api/com.google.common.flogger.backend/FormatOptions

FormatOptions

public final class FormatOptions

A structured representation of formatting options compatible with printf style formatting.

This class is immutable and thread safe.

Properties

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public final static int ALL_FLAGS
A mask of all allowed formatting flags.
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public final static int FLAG_LEFT_ALIGN
A formatting flag which specifies that output should be left-aligned within the minimum available width.
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public final static int FLAG_PREFIX_PLUS_FOR_POSITIVE_VALUES
A formatting flag which specifies that for signed numeric output, positive values should be prefixed with an ASCII plus ('+').
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public final static int FLAG_PREFIX_SPACE_FOR_POSITIVE_VALUES
A formatting flag which specifies that for signed numeric output, positive values should be prefixed with an ASCII space (' ').
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public final static int FLAG_SHOW_ALT_FORM
A formatting flag which specifies that output should be shown in a type dependent alternate form.
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public final static int FLAG_SHOW_GROUPING
A formatting flag which specifies that for non-exponential, base-10, numeric output a grouping separator (often a ',') should be used.
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public final static int FLAG_SHOW_LEADING_ZEROS
A formatting flag which specifies that numeric output should be padding with leading zeros as necessary to fill the minimum width.
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public final static int FLAG_UPPER_CASE
A formatting flag which specifies that output should be upper-cased after all other formatting.
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public final static int FLAG_USE_PARENS_FOR_NEGATIVE_VALUES
A formatting flag which specifies that for signed numeric output, negative values should be surrounded by parentheses.
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public final int flags
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public final int precision
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public final static int UNSET
The value used to specify that either width or precision were not specified.
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public final int width

Functions

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@CanIgnoreReturnValue()
public StringBuilder appendPrintfOptions(StringBuilder out)
Appends the data for this options instance in a printf compatible form to the given buffer.
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public boolean areValidFor(FormatChar formatChar)
Validates these options as if they were being applied to the given FormatChar and checks for inconsistencies in flag values.
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public boolean equals(@Nullable() Object o)
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public FormatOptions filter(int allowedFlags, boolean allowWidth, boolean allowPrecision)
Returns a possibly new FormatOptions instance possibly containing a subset of the formatting information.
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public static FormatOptions getDefault()
Returns the default options singleton instance.
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public int getFlags()
Returns the flag bits for this options instance.
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public int getPrecision()
Returns the precision for these options, or UNSET if not specified.
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public int getWidth()
Returns the width for these options, or UNSET if not specified.
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public int hashCode()
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public boolean isDefault()
Returns true if this instance has only default formatting options.
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public static FormatOptions of(int flags, int width, int precision)
Creates a options instance with the given values.
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public static FormatOptions parse(String message, int pos, int end, boolean isUpperCase)
Parses a sub-sequence of a log message to extract and return its options.
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public boolean shouldLeftAlign()
Corresponds to printf flag '-' (incompatible with '0').
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public boolean shouldPrefixPlusForPositiveValues()
Corresponds to printf flag '+'.
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public boolean shouldPrefixSpaceForPositiveValues()
Corresponds to printf flag ' '.
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public boolean shouldShowAltForm()
Corresponds to printf flag '#'.
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public boolean shouldShowGrouping()
Corresponds to printf flag ','.
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public boolean shouldShowLeadingZeros()
Corresponds to printf flag '0'.
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public boolean shouldUpperCase()
Corresponds to formatting with an upper-case format character.
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public boolean validate(int allowedFlags, boolean allowPrecision)
Validates these options according to the allowed criteria and checks for inconsistencies in flag values.