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35 package org.codehaus.groovy.runtime;
36
37 import groovy.lang.Closure;
38
39 import java.util.regex.Matcher;
40
41 /***
42 * This class defines all the new static groovy methods which appear on normal JDK
43 * classes inside the Groovy environment. Static methods are used with the
44 * first parameter as the destination class.
45 *
46 * @author Guillaume Laforge
47 * @author Dierk Koenig
48 * @version $Revision: 1.5 $
49 */
50 public class DefaultGroovyStaticMethods {
51
52 /***
53 * Start a Thread with the given closure as a Runnable instance.
54 *
55 * @param closure the Runnable closure
56 * @return the started thread
57 */
58 public static Thread start(Thread self, Closure closure) {
59 Thread thread = new Thread(closure);
60 thread.start();
61 return thread;
62 }
63
64 /***
65 * Start a daemon Thread with the given closure as a Runnable instance.
66 *
67 * @param closure the Runnable closure
68 * @return the started thread
69 */
70 public static Thread startDaemon(Thread self, Closure closure) {
71 Thread thread = new Thread(closure);
72 thread.setDaemon(true);
73 thread.start();
74 return thread;
75 }
76
77 /***
78 * Get the last hidden matcher that system used to do a match.
79 *
80 * @param matcher
81 * @return the last regex matcher
82 */
83 public static Matcher getLastMatcher(Matcher matcher) {
84 return RegexSupport.getLastMatcher();
85 }
86
87 /***
88 * Sleep for so many milliseconds, even if interrupted.
89 * @param object receiver
90 * @param milliseconds the number of milliseconds to sleep
91 */
92 public static void sleep(Object object, long milliseconds){
93 sleepImpl(object, milliseconds);
94 }
95
96 protected static void sleepImpl(Object object, long millis) {
97 long start = System.currentTimeMillis();
98 try {
99 Thread.sleep(millis);
100 } catch (InterruptedException e) {
101 long slept = System.currentTimeMillis() - start;
102 long rest = millis - slept;
103 if (rest > 0) sleepImpl(object, rest);
104 }
105 }
106
107 /***
108 * Sleep for so many milliseconds
109 * @param object receiver
110 * @param milliseconds the number of milliseconds to sleep
111 * @param onInterrupt interrupt handler, InterruptedException is passed to the Closure
112 */
113 public static void sleep(Object object, long milliseconds, Closure onInterrupt){
114 try {
115 Thread.sleep(milliseconds);
116 } catch (InterruptedException e) {
117 onInterrupt.call(e);
118 }
119 }
120 }