java.time.format.DateTimeFormatterBuilder#toFormatter ( )源码实例Demo

下面列出了java.time.format.DateTimeFormatterBuilder#toFormatter ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： hottub 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="LocalWeekMonthYearPatterns")
public void test_parse_textLocalDate(String pattern, String text, int pos, int expectedPos, LocalDate expectedValue) {
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        assertEquals(parsed.isSupported(YEAR_OF_ERA), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).dayOfWeek()), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).weekOfMonth()) ||
                parsed.isSupported(WeekFields.of(locale).weekOfYear()), true);
        // ensure combination resolves into a date
        LocalDate result = LocalDate.parse(text, dtf);
        assertEquals(result, expectedValue, "LocalDate incorrect for " + pattern);
    }
}

源代码2 项目： j2objc 文件： TCKLocalizedFieldParser.java

@Test
@UseDataProvider("provider_patternLocalDate")
public void test_parse_textLocalDate(String pattern, String text, int pos, int expectedPos, LocalDate expectedValue) {
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals("Incorrect ending parse position", ppos.getIndex(), expectedPos);
        assertEquals(parsed.isSupported(YEAR_OF_ERA), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).dayOfWeek()), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).weekOfMonth()) ||
                parsed.isSupported(WeekFields.of(locale).weekOfYear()), true);
        // ensure combination resolves into a date
        LocalDate result = LocalDate.parse(text, dtf);
        assertEquals("LocalDate incorrect for " + pattern, result, expectedValue);
    }
}

源代码3 项目： dragonwell8_jdk 文件： TestReducedParser.java

@Test(dataProvider="ParseAdjacent")
public void test_parseAdjacent(String pattern, String input, boolean strict, int pos, int parseLen, int year, int month, int day) {
    ParsePosition ppos = new ParsePosition(0);
    builder = new DateTimeFormatterBuilder();
    setStrict(strict);
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    TemporalAccessor parsed = dtf.parseUnresolved(input, ppos);
    assertNotNull(parsed, String.format("parse failed: ppos: %s, formatter: %s%n", ppos.toString(), dtf));
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), parseLen, "error case parse position");
    } else {
        assertEquals(ppos.getIndex(), parseLen, "parse position");
        assertParsed(parsed, YEAR_OF_ERA, Long.valueOf(year));
        assertParsed(parsed, MONTH_OF_YEAR, Long.valueOf(month));
        assertParsed(parsed, DAY_OF_MONTH, Long.valueOf(day));
    }
}

源代码4 项目： jdk8u-dev-jdk 文件： TestReducedParser.java

@Test(dataProvider="ParseAdjacent")
public void test_parseAdjacent(String pattern, String input, boolean strict, int pos, int parseLen, int year, int month, int day) {
    ParsePosition ppos = new ParsePosition(0);
    builder = new DateTimeFormatterBuilder();
    setStrict(strict);
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    TemporalAccessor parsed = dtf.parseUnresolved(input, ppos);
    assertNotNull(parsed, String.format("parse failed: ppos: %s, formatter: %s%n", ppos.toString(), dtf));
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), parseLen, "error case parse position");
    } else {
        assertEquals(ppos.getIndex(), parseLen, "parse position");
        assertParsed(parsed, YEAR_OF_ERA, Long.valueOf(year));
        assertParsed(parsed, MONTH_OF_YEAR, Long.valueOf(month));
        assertParsed(parsed, DAY_OF_MONTH, Long.valueOf(day));
    }
}

源代码5 项目： openjdk-jdk9 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="LocalWeekMonthYearPatterns")
public void test_parse_textLocalDate(String pattern, String text, int pos, int expectedPos, LocalDate expectedValue) {
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        assertEquals(parsed.isSupported(YEAR_OF_ERA), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).dayOfWeek()), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).weekOfMonth()) ||
                parsed.isSupported(WeekFields.of(locale).weekOfYear()), true);
        // ensure combination resolves into a date
        LocalDate result = LocalDate.parse(text, dtf);
        assertEquals(result, expectedValue, "LocalDate incorrect for " + pattern);
    }
}

源代码6 项目： crate 文件： JavaDateFormatter.java

@Override
public DateFormatter parseDefaulting(Map<TemporalField, Long> fields) {
    final DateTimeFormatterBuilder parseDefaultingBuilder = new DateTimeFormatterBuilder().append(printer);
    fields.forEach(parseDefaultingBuilder::parseDefaulting);
    if (parsers.length == 1 && parsers[0].equals(printer)) {
        return new JavaDateFormatter(format, parseDefaultingBuilder.toFormatter(Locale.ROOT));
    } else {
        final DateTimeFormatter[] parsersWithDefaulting = new DateTimeFormatter[parsers.length];
        for (int i = 0; i < parsers.length; i++) {
            DateTimeFormatterBuilder builder = new DateTimeFormatterBuilder().append(parsers[i]);
            fields.forEach(builder::parseDefaulting);
            parsersWithDefaulting[i] = builder.toFormatter(Locale.ROOT);
        }
        return new JavaDateFormatter(format, parseDefaultingBuilder.toFormatter(Locale.ROOT), parsersWithDefaulting);
    }
}

源代码7 项目： jdk8u_jdk 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="LocalWeekBasedYearPatterns")
public void test_parse_WeekBasedYear(String pattern, String text, int pos, int expectedPos, LocalDate expectedValue) {
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        WeekFields weekDef = WeekFields.of(locale);
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        assertEquals(parsed.isSupported(weekDef.dayOfWeek()), pattern.indexOf('e') >= 0);
        assertEquals(parsed.isSupported(weekDef.weekOfWeekBasedYear()), pattern.indexOf('w') >= 0);
        assertEquals(parsed.isSupported(weekDef.weekBasedYear()), pattern.indexOf('Y') >= 0);
        // ensure combination resolves into a date
        LocalDate result = LocalDate.parse(text, dtf);
        assertEquals(result, expectedValue, "LocalDate incorrect for " + pattern + ", weekDef: " + weekDef);
    }
}

源代码8 项目： jdk8u60 文件： TestReducedParser.java

@Test(dataProvider="ParseAdjacent")
public void test_parseAdjacent(String pattern, String input, boolean strict, int pos, int parseLen, int year, int month, int day) {
    ParsePosition ppos = new ParsePosition(0);
    builder = new DateTimeFormatterBuilder();
    setStrict(strict);
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    TemporalAccessor parsed = dtf.parseUnresolved(input, ppos);
    assertNotNull(parsed, String.format("parse failed: ppos: %s, formatter: %s%n", ppos.toString(), dtf));
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), parseLen, "error case parse position");
    } else {
        assertEquals(ppos.getIndex(), parseLen, "parse position");
        assertParsed(parsed, YEAR_OF_ERA, Long.valueOf(year));
        assertParsed(parsed, MONTH_OF_YEAR, Long.valueOf(month));
        assertParsed(parsed, DAY_OF_MONTH, Long.valueOf(day));
    }
}

源代码9 项目： openjdk-8-source 文件： TestReducedParser.java

@Test(dataProvider="ParseAdjacent")
public void test_parseAdjacent(String pattern, String input, boolean strict, int pos, int parseLen, int year, int month, int day) {
    ParsePosition ppos = new ParsePosition(0);
    builder = new DateTimeFormatterBuilder();
    setStrict(strict);
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    TemporalAccessor parsed = dtf.parseUnresolved(input, ppos);
    assertNotNull(parsed, String.format("parse failed: ppos: %s, formatter: %s%n", ppos.toString(), dtf));
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), parseLen, "error case parse position");
    } else {
        assertEquals(ppos.getIndex(), parseLen, "parse position");
        assertParsed(parsed, YEAR_OF_ERA, Long.valueOf(year));
        assertParsed(parsed, MONTH_OF_YEAR, Long.valueOf(month));
        assertParsed(parsed, DAY_OF_MONTH, Long.valueOf(day));
    }
}

源代码10 项目： openjdk-jdk8u 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="LocalWeekMonthYearPatterns")
public void test_parse_textLocalDate(String pattern, String text, int pos, int expectedPos, LocalDate expectedValue) {
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        assertEquals(parsed.isSupported(YEAR_OF_ERA), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).dayOfWeek()), true);
        assertEquals(parsed.isSupported(WeekFields.of(locale).weekOfMonth()) ||
                parsed.isSupported(WeekFields.of(locale).weekOfYear()), true);
        // ensure combination resolves into a date
        LocalDate result = LocalDate.parse(text, dtf);
        assertEquals(result, expectedValue, "LocalDate incorrect for " + pattern);
    }
}

源代码11 项目： openjdk-jdk8u 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="LocalWeekBasedYearPatterns")
public void test_parse_WeekBasedYear(String pattern, String text, int pos, int expectedPos, LocalDate expectedValue) {
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        WeekFields weekDef = WeekFields.of(locale);
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        assertEquals(parsed.isSupported(weekDef.dayOfWeek()), pattern.indexOf('e') >= 0);
        assertEquals(parsed.isSupported(weekDef.weekOfWeekBasedYear()), pattern.indexOf('w') >= 0);
        assertEquals(parsed.isSupported(weekDef.weekBasedYear()), pattern.indexOf('Y') >= 0);
        // ensure combination resolves into a date
        LocalDate result = LocalDate.parse(text, dtf);
        assertEquals(result, expectedValue, "LocalDate incorrect for " + pattern + ", weekDef: " + weekDef);
    }
}

源代码12 项目： openjdk-8 文件： TestReducedPrinter.java

@Test(dataProvider="PrintAdjacent")
public void test_printAdjacent(String pattern, String text, int year, int month, int day) {
    builder = new DateTimeFormatterBuilder();
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    LocalDate ld = LocalDate.of(year, month, day);
    String actual = dtf.format(ld);
    assertEquals(actual, text, "formatter output: " + dtf);
}

源代码13 项目： dragonwell8_jdk 文件： TestReducedPrinter.java

@Test(dataProvider="PrintAdjacent")
public void test_printAdjacent(String pattern, String text, int year, int month, int day) {
    builder = new DateTimeFormatterBuilder();
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    LocalDate ld = LocalDate.of(year, month, day);
    String actual = dtf.format(ld);
    assertEquals(actual, text, "formatter output: " + dtf);
}

源代码14 项目： hottub 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="FieldPatterns")
public void test_parse_textField(String pattern, String text, int pos, int expectedPos, long expectedValue) {
    WeekFields weekDef = WeekFields.of(locale);
    TemporalField field = null;
    switch(pattern.charAt(0)) {
        case 'e' :
            field = weekDef.dayOfWeek();
            break;
        case 'w':
            field = weekDef.weekOfWeekBasedYear();
            break;
        case 'W':
            field = weekDef.weekOfMonth();
            break;
        case 'Y':
            field = weekDef.weekBasedYear();
            break;
        default:
            throw new IllegalStateException("bad format letter from pattern");
    }
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b
            = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        long value = parsed.getLong(field);
        assertEquals(value, expectedValue, "Value incorrect for " + field);
    }
}

源代码15 项目： TencentKona-8 文件： TestReducedPrinter.java

@Test(dataProvider="PrintAdjacent")
public void test_printAdjacent(String pattern, String text, int year, int month, int day) {
    builder = new DateTimeFormatterBuilder();
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    LocalDate ld = LocalDate.of(year, month, day);
    String actual = dtf.format(ld);
    assertEquals(actual, text, "formatter output: " + dtf);
}

源代码16 项目： openjdk-jdk8u-backup 文件： TestReducedPrinter.java

@Test(dataProvider="PrintAdjacent")
public void test_printAdjacent(String pattern, String text, int year, int month, int day) {
    builder = new DateTimeFormatterBuilder();
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    LocalDate ld = LocalDate.of(year, month, day);
    String actual = dtf.format(ld);
    assertEquals(actual, text, "formatter output: " + dtf);
}

源代码17 项目： JavaSE8-Features 文件： DateTimeFormater.java

public static void main(String[] args) {

        LocalDate currentDate = LocalDate.now();
        DateTimeFormatter df = DateTimeFormatter.ISO_DATE;
        System.out.println(df.format(currentDate));

        LocalTime currentTime = LocalTime.now();
        DateTimeFormatter dt = DateTimeFormatter.ISO_TIME;
        System.out.println(dt.format(currentTime));

        LocalDateTime currentDT = LocalDateTime.now();
        DateTimeFormatter dtf = DateTimeFormatter.ISO_DATE_TIME;
        System.out.println(dtf.format(currentDT));

        DateTimeFormatter f_long = DateTimeFormatter.ofLocalizedDate(FormatStyle.LONG);
        System.out.println(f_long.format(currentDT));

        DateTimeFormatter f_short = DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT);
        System.out.println(f_short.format(currentDT));
        
        String fr_short = f_short.withLocale(Locale.FRENCH).format(currentDT);
        String fr_long = f_long.withLocale(Locale.FRENCH).format(currentDT);
        
        System.out.println(fr_short);
        System.out.println(fr_long);
        
        DateTimeFormatterBuilder b = new DateTimeFormatterBuilder()
                .appendValue(ChronoField.DAY_OF_YEAR)
                .appendLiteral("||")
                .appendValue(ChronoField.DAY_OF_MONTH)
                .appendLiteral("||")
                .appendValue(ChronoField.YEAR);
        
        DateTimeFormatter f = b.toFormatter();
        System.out.println(f.format(currentDT));
               

    }

源代码18 项目： jdk8u60 文件： TestReducedPrinter.java

@Test(dataProvider="PrintAdjacent")
public void test_printAdjacent(String pattern, String text, int year, int month, int day) {
    builder = new DateTimeFormatterBuilder();
    builder.appendPattern(pattern);
    DateTimeFormatter dtf = builder.toFormatter();

    LocalDate ld = LocalDate.of(year, month, day);
    String actual = dtf.format(ld);
    assertEquals(actual, text, "formatter output: " + dtf);
}

源代码19 项目： openjdk-jdk9 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="FieldPatterns")
public void test_parse_textField(String pattern, String text, int pos, int expectedPos, long expectedValue) {
    WeekFields weekDef = WeekFields.of(locale);
    TemporalField field = null;
    switch(pattern.charAt(0)) {
        case 'c' :
        case 'e' :
            field = weekDef.dayOfWeek();
            break;
        case 'w':
            field = weekDef.weekOfWeekBasedYear();
            break;
        case 'W':
            field = weekDef.weekOfMonth();
            break;
        case 'Y':
            field = weekDef.weekBasedYear();
            break;
        default:
            throw new IllegalStateException("bad format letter from pattern");
    }
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b
            = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        long value = parsed.getLong(field);
        assertEquals(value, expectedValue, "Value incorrect for " + field);
    }
}

源代码20 项目： jdk8u-jdk 文件： TCKLocalizedFieldParser.java

@Test(dataProvider="FieldPatterns")
public void test_parse_textField(String pattern, String text, int pos, int expectedPos, long expectedValue) {
    WeekFields weekDef = WeekFields.of(locale);
    TemporalField field = null;
    switch(pattern.charAt(0)) {
        case 'e' :
            field = weekDef.dayOfWeek();
            break;
        case 'w':
            field = weekDef.weekOfWeekBasedYear();
            break;
        case 'W':
            field = weekDef.weekOfMonth();
            break;
        case 'Y':
            field = weekDef.weekBasedYear();
            break;
        default:
            throw new IllegalStateException("bad format letter from pattern");
    }
    ParsePosition ppos = new ParsePosition(pos);
    DateTimeFormatterBuilder b
            = new DateTimeFormatterBuilder().appendPattern(pattern);
    DateTimeFormatter dtf = b.toFormatter(locale);
    TemporalAccessor parsed = dtf.parseUnresolved(text, ppos);
    if (ppos.getErrorIndex() != -1) {
        assertEquals(ppos.getErrorIndex(), expectedPos);
    } else {
        assertEquals(ppos.getIndex(), expectedPos, "Incorrect ending parse position");
        long value = parsed.getLong(field);
        assertEquals(value, expectedValue, "Value incorrect for " + field);
    }
}

方法所在类

java.time.format.DateTimeFormatterBuilder