src/java.sql/share/classes/java/sql/Time.java
changeset 47216 71c04702a3d5
parent 44256 12050b22e372
child 48065 c4f2b6749c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.sql/share/classes/java/sql/Time.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,287 @@
+/*
+ * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package java.sql;
+
+import java.time.Instant;
+import java.time.LocalTime;
+import jdk.internal.misc.SharedSecrets;
+import jdk.internal.misc.JavaLangAccess;
+
+/**
+ * <P>A thin wrapper around the <code>java.util.Date</code> class that allows the JDBC
+ * API to identify this as an SQL <code>TIME</code> value. The <code>Time</code>
+ * class adds formatting and
+ * parsing operations to support the JDBC escape syntax for time
+ * values.
+ * <p>The date components should be set to the "zero epoch"
+ * value of January 1, 1970 and should not be accessed.
+ *
+ * @since 1.1
+ */
+public class Time extends java.util.Date {
+
+    private static final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
+
+    /**
+     * Constructs a <code>Time</code> object initialized with the
+     * given values for the hour, minute, and second.
+     * The driver sets the date components to January 1, 1970.
+     * Any method that attempts to access the date components of a
+     * <code>Time</code> object will throw a
+     * <code>java.lang.IllegalArgumentException</code>.
+     * <P>
+     * The result is undefined if a given argument is out of bounds.
+     *
+     * @param hour 0 to 23
+     * @param minute 0 to 59
+     * @param second 0 to 59
+     *
+     * @deprecated Use the constructor that takes a milliseconds value
+     *             in place of this constructor
+     */
+    @Deprecated(since="1.2")
+    public Time(int hour, int minute, int second) {
+        super(70, 0, 1, hour, minute, second);
+    }
+
+    /**
+     * Constructs a <code>Time</code> object using a milliseconds time value.
+     *
+     * @param time milliseconds since January 1, 1970, 00:00:00 GMT;
+     *             a negative number is milliseconds before
+     *               January 1, 1970, 00:00:00 GMT
+     */
+    public Time(long time) {
+        super(time);
+    }
+
+    /**
+     * Sets a <code>Time</code> object using a milliseconds time value.
+     *
+     * @param time milliseconds since January 1, 1970, 00:00:00 GMT;
+     *             a negative number is milliseconds before
+     *               January 1, 1970, 00:00:00 GMT
+     */
+    public void setTime(long time) {
+        super.setTime(time);
+    }
+
+    /**
+     * Converts a string in JDBC time escape format to a <code>Time</code> value.
+     *
+     * @param s time in format "hh:mm:ss"
+     * @return a corresponding <code>Time</code> object
+     */
+    public static Time valueOf(String s) {
+        if (s == null) throw new java.lang.IllegalArgumentException();
+
+        int hour;
+        int minute;
+        int second;
+        int firstColon = s.indexOf(':');
+        int secondColon = s.indexOf(':', firstColon + 1);
+        int len = s.length();
+        if (firstColon > 0 && secondColon > 0 &&
+                secondColon < len - 1) {
+            hour = Integer.parseInt(s, 0, firstColon, 10);
+            minute = Integer.parseInt(s, firstColon + 1, secondColon, 10);
+            second = Integer.parseInt(s, secondColon + 1, len, 10);
+        } else {
+            throw new java.lang.IllegalArgumentException();
+        }
+
+        return new Time(hour, minute, second);
+    }
+
+    /**
+     * Formats a time in JDBC time escape format.
+     *
+     * @return a <code>String</code> in hh:mm:ss format
+     */
+    @SuppressWarnings("deprecation")
+    public String toString () {
+        int hour = super.getHours();
+        int minute = super.getMinutes();
+        int second = super.getSeconds();
+
+        char[] buf = new char[8];
+        Date.formatDecimalInt(hour, buf, 0, 2);
+        buf[2] = ':';
+        Date.formatDecimalInt(minute, buf, 3, 2);
+        buf[5] = ':';
+        Date.formatDecimalInt(second, buf, 6, 2);
+
+        return jla.newStringUnsafe(buf);
+    }
+
+    // Override all the date operations inherited from java.util.Date;
+
+   /**
+    * This method is deprecated and should not be used because SQL <code>TIME</code>
+    * values do not have a year component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this
+    *           method is invoked
+    * @see #setYear
+    */
+    @Deprecated(since="1.2")
+    public int getYear() {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL <code>TIME</code>
+    * values do not have a month component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this
+    *           method is invoked
+    * @see #setMonth
+    */
+    @Deprecated(since="1.2")
+    public int getMonth() {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL <code>TIME</code>
+    * values do not have a day component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this
+    *           method is invoked
+    */
+    @Deprecated(since="1.2")
+    public int getDay() {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL <code>TIME</code>
+    * values do not have a date component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this
+    *           method is invoked
+    * @see #setDate
+    */
+    @Deprecated(since="1.2")
+    public int getDate() {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL <code>TIME</code>
+    * values do not have a year component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this
+    *           method is invoked
+    * @see #getYear
+    */
+    @Deprecated(since="1.2")
+    public void setYear(int i) {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL <code>TIME</code>
+    * values do not have a month component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this
+    *           method is invoked
+    * @see #getMonth
+    */
+    @Deprecated(since="1.2")
+    public void setMonth(int i) {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL <code>TIME</code>
+    * values do not have a date component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this
+    *           method is invoked
+    * @see #getDate
+    */
+    @Deprecated(since="1.2")
+    public void setDate(int i) {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * Private serial version unique ID to ensure serialization
+    * compatibility.
+    */
+    static final long serialVersionUID = 8397324403548013681L;
+
+    /**
+     * Obtains an instance of {@code Time} from a {@link LocalTime} object
+     * with the same hour, minute and second time value as the given
+     * {@code LocalTime}. The nanosecond field from {@code LocalTime} is
+     * not part of the newly created {@code Time} object.
+     *
+     * @param time a {@code LocalTime} to convert
+     * @return a {@code Time} object
+     * @exception NullPointerException if {@code time} is null
+     * @since 1.8
+     */
+    @SuppressWarnings("deprecation")
+    public static Time valueOf(LocalTime time) {
+        return new Time(time.getHour(), time.getMinute(), time.getSecond());
+    }
+
+    /**
+     * Converts this {@code Time} object to a {@code LocalTime}.
+     * <p>
+     * The conversion creates a {@code LocalTime} that represents the same
+     * hour, minute, and second time value as this {@code Time}. The
+     * nanosecond {@code LocalTime} field will be set to zero.
+     *
+     * @return a {@code LocalTime} object representing the same time value
+     * @since 1.8
+     */
+    @SuppressWarnings("deprecation")
+    public LocalTime toLocalTime() {
+        return LocalTime.of(getHours(), getMinutes(), getSeconds());
+    }
+
+   /**
+    * This method always throws an UnsupportedOperationException and should
+    * not be used because SQL {@code Time} values do not have a date
+    * component.
+    *
+    * @exception java.lang.UnsupportedOperationException if this method is invoked
+    */
+    @Override
+    public Instant toInstant() {
+        throw new java.lang.UnsupportedOperationException();
+    }
+}