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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: 1.4 $
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 seconds, even if interrupted.
89 * @param object receiver
90 * @param seconds the number of seconds to sleep
91 */
92 public static void sleep(Object object, long seconds){
93 long millis = seconds * 1000;
94 sleepImpl(object, millis);
95 }
96
97 protected static void sleepImpl(Object object, long millis) {
98 long start = System.currentTimeMillis();
99 try {
100 Thread.sleep(millis);
101 } catch (InterruptedException e) {
102 long slept = System.currentTimeMillis() - start;
103 long rest = millis - slept;
104 if (rest > 0) sleepImpl(object, rest);
105 }
106 }
107
108 /***
109 * Sleep for so many seconds
110 * @param object receiver
111 * @param seconds the number of seconds to sleep
112 * @param onInterrupt interrupt handler, InterruptedException is passed to the Closure
113 */
114 public static void sleep(Object object, long seconds, Closure onInterrupt){
115 try {
116 Thread.sleep(seconds * 1000);
117 } catch (InterruptedException e) {
118 onInterrupt.call(e);
119 }
120 }
121 }