Merge branch 'master' of github.com:yegor256/cactoos

src/main/java/org/cactoos/time/DateAsText.java

@@ -0,0 +1,189 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.cactoos.time;
+
+import java.io.IOException;
+import java.time.Instant;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.temporal.TemporalAccessor;
+import java.util.Date;
+import java.util.Locale;
+import org.cactoos.Text;
+import org.cactoos.scalar.UncheckedScalar;
+import org.cactoos.text.UncheckedText;
+
+/**
+ * Formatter for date instances.
+ * @author Sven Diedrichsen (sven.diedrichsen@gmail.com)
+ * @version $Id$
+ * @since 1.0
+ */
+@SuppressWarnings("PMD.AvoidDuplicateLiterals")
+public class DateAsText implements Text {
+    /**
+     * Scalar carrying the formatted date.
+     */
+    private final UncheckedScalar<String> formatted;
+
+    /**
+     * Formats the milliseconds using the ISO format.
+     * @param milliseconds Milliseconds to format.
+     */
+    public DateAsText(final long milliseconds) {
+        this(
+            ZonedDateTime.ofInstant(
+                Instant.ofEpochMilli(milliseconds), ZoneId.of("UTC")
+            ),
+            DateTimeFormatter.ISO_DATE_TIME
+        );
+    }
+
+    /**
+     * Formats the milliseconds using the format and the default locale.
+     * @param milliseconds Milliseconds to format.
+     * @param format The format to use.
+     */
+    public DateAsText(final long milliseconds, final String format) {
+        this(
+            ZonedDateTime.ofInstant(
+                Instant.ofEpochMilli(milliseconds), ZoneId.of("UTC")
+            ),
+            format,
+            Locale.getDefault(Locale.Category.FORMAT)
+        );
+    }
+
+    /**
+     * Formats the milliseconds as date using the format and the locale.
+     * @param milliseconds Milliseconds to format as date.
+     * @param format The format to use.
+     * @param locale The locale to use for the format.
+     */
+    public DateAsText(final long milliseconds, final String format,
+        final Locale locale) {
+        this(
+            ZonedDateTime.ofInstant(
+                Instant.ofEpochMilli(milliseconds), ZoneId.of("UTC")
+            ),
+            DateTimeFormatter.ofPattern(format, locale)
+        );
+    }
+
+    /**
+     * Formats the date with ISO format using the system zone.
+     * @param date The date to format.
+     */
+    public DateAsText(final Date date) {
+        this(
+            ZonedDateTime.ofInstant(date.toInstant(), ZoneId.of("UTC")),
+            DateTimeFormatter.ISO_DATE_TIME
+        );
+    }
+
+    /**
+     * Formats the date with to format using the default locale and the system
+     * zone.
+     * @param date The date to format.
+     * @param format The format to use.
+     */
+    public DateAsText(final Date date, final String format) {
+        this(
+            ZonedDateTime.ofInstant(date.toInstant(), ZoneId.of("UTC")),
+            DateTimeFormatter.ofPattern(
+                format,
+                Locale.getDefault(Locale.Category.FORMAT)
+            )
+        );
+    }
+
+    /**
+     * Formats the date using the format and locale using the system default
+     * zone.
+     * @param date The date to format.
+     * @param format The format to use.
+     * @param locale The locale to use.
+     */
+    public DateAsText(final Date date, final String format,
+        final Locale locale) {
+        this(
+            ZonedDateTime.ofInstant(date.toInstant(), ZoneId.of("UTC")),
+            DateTimeFormatter.ofPattern(format, locale)
+        );
+    }
+
+    /**
+     * Formats date using ISO date time format.
+     * @param date The date to format.
+     */
+    public DateAsText(final TemporalAccessor date) {
+        this(date, DateTimeFormatter.ISO_DATE_TIME);
+    }
+
+    /**
+     * Formats date using provided date time format string using default locale.
+     * @param date The date to format.
+     * @param format The format to use.
+     */
+    public DateAsText(final TemporalAccessor date, final String format) {
+        this(date, format, Locale.getDefault(Locale.Category.FORMAT));
+    }
+
+    /**
+     * Formats the date using the provided format string using the provided
+     * locale.
+     * @param date The date to format.
+     * @param format The format string to use.
+     * @param locale The locale to use.
+     */
+    public DateAsText(final TemporalAccessor date, final String format,
+        final Locale locale) {
+        this(date, DateTimeFormatter.ofPattern(format, locale));
+    }
+
+    /**
+     * Formats the date using the provided formatter.
+     * @param date The date to format.
+     * @param formatter The formatter to use.
+     */
+    public DateAsText(final TemporalAccessor date,
+        final DateTimeFormatter formatter) {
+        this.formatted = new UncheckedScalar<>(
+            () -> formatter.format(date)
+        );
+    }
+
+    @Override
+    public final String asString() throws IOException {
+        return this.formatted.value();
+    }
+
+    @Override
+    public final int compareTo(final Text text) {
+        return new UncheckedText(this).compareTo(text);
+    }
+
+}
+

src/main/java/org/cactoos/time/DateOf.java

@@ -0,0 +1,82 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.cactoos.time;
+
+import java.time.LocalDateTime;
+import java.time.ZoneOffset;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+import org.cactoos.Scalar;
+import org.cactoos.scalar.UncheckedScalar;
+
+/**
+ * Parser for {@link Date} instances.
+ * @author Sven Diedrichsen (sven.diedrichsen@gmail.com)
+ * @version $Id$
+ * @since 1.0
+ */
+public class DateOf implements Scalar<Date> {
+
+    /**
+     * The parsed date.
+     */
+    private final Scalar<Date> parsed;
+
+    /**
+     * Parses the provided date as ISO formatted.
+     * @param date The date to parse.
+     */
+    public DateOf(final String date) {
+        this(date, DateTimeFormatter.ISO_DATE_TIME);
+    }
+
+    /**
+     * Parses the date using the provided format.
+     * @param date The date to parse.
+     * @param format The format to use.
+     */
+    public DateOf(final String date, final String format) {
+        this(date, DateTimeFormatter.ofPattern(format));
+    }
+
+    /**
+     * Parsing the date using the provided formatter.
+     * @param date The date to parse.
+     * @param formatter The formatter to use.
+     */
+    public DateOf(final String date, final DateTimeFormatter formatter) {
+        this.parsed = new UncheckedScalar<>(
+            () -> Date.from(
+                LocalDateTime.from(formatter.parse(date))
+                    .toInstant(ZoneOffset.UTC)
+            )
+        );
+    }
+
+    @Override
+    public final Date value() throws Exception {
+        return this.parsed.value();
+    }
+
+}

src/main/java/org/cactoos/time/LocalDateTimeOf.java

@@ -0,0 +1,79 @@
+/**
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Yegor Bugayenko
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.cactoos.time;
+
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import org.cactoos.Scalar;
+import org.cactoos.scalar.UncheckedScalar;
+
+/**
+ * Parser for {@link LocalDateTime} instances.
+ * @author Sven Diedrichsen (sven.diedrichsen@gmail.com)
+ * @version $Id$
+ * @since 1.0
+ */
+public class LocalDateTimeOf implements Scalar<LocalDateTime> {
+    /**
+     * The parsed date.
+     */
+    private final UncheckedScalar<LocalDateTime> parsed;
+
+    /**
+     * Parses ISO date to create {@link LocalDateTime} instances.
+     * @param date The date to parse.
+     */
+    public LocalDateTimeOf(final String date) {
+        this(date, DateTimeFormatter.ISO_DATE_TIME);
+    }
+
+    /**
+     * Parses date using the provided format to create
+     *  {@link LocalDateTime} instances.
+     * @param date The date to parse.
+     * @param format The format to use.
+     */
+    public LocalDateTimeOf(final String date, final String format) {
+        this(date, DateTimeFormatter.ofPattern(format));
+    }
+
+    /**
+     * Parses the date using the formatter to create
+     *  {@link LocalDateTime} instances.
+     * @param date The date to parse.
+     * @param formatter The formatter to use.
+     */
+    public LocalDateTimeOf(final String date,
+        final DateTimeFormatter formatter) {
+        this.parsed = new UncheckedScalar<>(
+            () -> LocalDateTime.from(formatter.parse(date))
+        );
+    }
+
+    @Override
+    public final LocalDateTime value() throws Exception {
+        return this.parsed.value();
+    }
+
+}