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diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/Sleep.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/taskdefs/Sleep.java
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+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+package org.apache.tools.ant.taskdefs;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.Task;
+
+/**
+ * Sleep, or pause, for a period of time.
+ *
+ * <p>A task for sleeping a short period of time, useful when a
+ * build or deployment process requires an interval between tasks.</p>
+ *
+ * <p>A negative value can be supplied to any of attributes provided the total sleep time
+ * is positive, pending fundamental changes in physics and JVM
+ * execution times</p>
+ *
+ * <p>Note that sleep times are always hints to be interpreted by the OS how it feels
+ * small times may either be ignored or rounded up to a minimum timeslice. Note
+ * also that the system clocks often have a fairly low granularity too, which complicates
+ * measuring how long a sleep actually took.</p>
+ *
+ * @since Ant 1.4
+ * @ant.task category="utility"
+ */
+public class Sleep extends Task {
+    /**
+     * failure flag
+     */
+    private boolean failOnError = true;
+
+    /**
+     * sleep seconds
+     */
+    private int seconds = 0;
+
+    /**
+     * sleep hours
+     */
+    private int hours = 0;
+    /**
+     * sleep minutes
+     */
+    private int minutes = 0;
+
+    /**
+     * sleep milliseconds
+     */
+    private int milliseconds = 0;
+
+
+
+    /**
+     * Creates new instance
+     */
+    public Sleep() {
+    }
+
+
+    /**
+     * seconds to add to the sleep time
+     *
+     * @param seconds The new Seconds value
+     */
+    public void setSeconds(int seconds) {
+        this.seconds = seconds;
+    }
+
+
+    /**
+     * hours to add to the sleep time.
+     *
+     * @param hours The new Hours value
+     */
+    public void setHours(int hours) {
+        this.hours = hours;
+    }
+
+
+    /**
+     * minutes to add to the sleep time
+     *
+     * @param minutes The new Minutes value
+     */
+    public void setMinutes(int minutes) {
+        this.minutes = minutes;
+    }
+
+
+    /**
+     * milliseconds to add to the sleep time
+     *
+     * @param milliseconds The new Milliseconds value
+     */
+    public void setMilliseconds(int milliseconds) {
+        this.milliseconds = milliseconds;
+    }
+
+
+    /**
+     * sleep for a period of time
+     *
+     * @param millis time to sleep
+     */
+    public void doSleep(long millis) {
+        try {
+            Thread.sleep(millis);
+        } catch (InterruptedException ie) {
+            // Ignore Exception
+        }
+    }
+
+
+    /**
+     * flag controlling whether to break the build on an error.
+     *
+     * @param failOnError The new FailOnError value
+     */
+    public void setFailOnError(boolean failOnError) {
+        this.failOnError = failOnError;
+    }
+
+
+    /**
+     * return time to sleep
+     *
+     * @return sleep time. if below 0 then there is an error
+     */
+
+    private long getSleepTime() {
+        // CheckStyle:MagicNumber OFF
+        return ((((long) hours * 60) + minutes) * 60 + seconds) * 1000
+            + milliseconds;
+        // CheckStyle:MagicNumber ON
+    }
+
+
+    /**
+     * verify parameters
+     *
+     * @throws BuildException if something is invalid
+     */
+    public void validate()
+        throws BuildException {
+        if (getSleepTime() < 0) {
+            throw new BuildException("Negative sleep periods are not "
+                                     + "supported");
+        }
+    }
+
+
+    /**
+     * Executes this build task. Throws org.apache.tools.ant.BuildException
+     * if there is an error during task execution.
+     *
+     * @exception BuildException Description of Exception
+     */
+    @Override
+    public void execute()
+        throws BuildException {
+        try {
+            validate();
+            long sleepTime = getSleepTime();
+            log("sleeping for " + sleepTime + " milliseconds",
+                Project.MSG_VERBOSE);
+            doSleep(sleepTime);
+        } catch (Exception e) {
+            if (failOnError) {
+                throw new BuildException(e);
+            } else {
+                String text = e.toString();
+                log(text, Project.MSG_ERR);
+            }
+        }
+    }
+
+}
+