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FormattableFlags.java
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75 lines (69 loc) · 1.97 KB
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/*
* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.util;
/**
* FomattableFlags are passed to the {@link Formattable#formatTo
* Formattable.formatTo()} method and modify the output format for {@linkplain
* Formattable Formattables}. Implementations of {@link Formattable} are
* responsible for interpreting and validating any flags.
*
* @since 1.5
*/
public class FormattableFlags {
// Explicit instantiation of this class is prohibited.
private FormattableFlags() {}
/**
* Left-justifies the output. Spaces (<tt>'\u0020'</tt>) will be added
* at the end of the converted value as required to fill the minimum width
* of the field. If this flag is not set then the output will be
* right-justified.
*
* <p> This flag corresponds to <tt>'-'</tt> (<tt>'\u002d'</tt>) in
* the format specifier.
*/
public static final int LEFT_JUSTIFY = 1<<0; // '-'
/**
* Converts the output to upper case according to the rules of the
* {@linkplain java.util.Locale locale} given during creation of the
* <tt>formatter</tt> argument of the {@link Formattable#formatTo
* formatTo()} method. The output should be equivalent the following
* invocation of {@link String#toUpperCase(java.util.Locale)}
*
* <pre>
* out.toUpperCase() </pre>
*
* <p> This flag corresponds to <tt>'S'</tt> (<tt>'\u0053'</tt>) in
* the format specifier.
*/
public static final int UPPERCASE = 1<<1; // 'S'
/**
* Requires the output to use an alternate form. The definition of the
* form is specified by the <tt>Formattable</tt>.
*
* <p> This flag corresponds to <tt>'#'</tt> (<tt>'\u0023'</tt>) in
* the format specifier.
*/
public static final int ALTERNATE = 1<<2; // '#'
}