From d13036a0227139287c682ebf63c73a4d459ccbdf Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Tue, 21 Jul 2015 12:40:53 +0200
Subject: Extended Util class

---
 src/main/java/org/openslx/util/Util.java | 54 +++++++++++++++++++++++++-------
 1 file changed, 42 insertions(+), 12 deletions(-)

(limited to 'src/main/java/org/openslx/util/Util.java')

diff --git a/src/main/java/org/openslx/util/Util.java b/src/main/java/org/openslx/util/Util.java
index 9f98007..24daf4c 100644
--- a/src/main/java/org/openslx/util/Util.java
+++ b/src/main/java/org/openslx/util/Util.java
@@ -3,7 +3,6 @@ package org.openslx.util;
 import java.io.Closeable;
 
 import org.apache.log4j.Logger;
-import org.openslx.util.Util;
 
 public class Util
 {
@@ -43,24 +42,24 @@ public class Util
 		}
 	}
 
-	
 	/**
-	 * Tries to parse an int. Returns 0 on error.
+	 * Parse the given String as a base10 integer.
+	 * If the string does not represent a valid integer, return the given
+	 * default value.
 	 * 
-	 * @param s
-	 *           The string to parse
-	 * @return The parsed int or 0 on error
+	 * @param value string representation to parse to an int
+	 * @param defaultValue fallback value if given string can't be parsed
+	 * @return
 	 */
-	public static int tryToParseInt( String s )
-	{
+	public static int parseInt(String value, int defaultValue) {
 		try {
-			return Integer.parseInt( s );
-		} catch ( NumberFormatException e ) {
-			return 0;
+			return Integer.parseInt(value);
+		} catch (Exception e) {
+			return defaultValue;
 		}
 	}
 	
-	public static void streamClose( Closeable... closeable )
+	public static void safeClose( Closeable... closeable )
 	{
 		for ( Closeable c : closeable ) {
 			if ( c == null )
@@ -71,4 +70,35 @@ public class Util
 			}
 		}
 	}
+	
+	public static void safeClose( AutoCloseable... closeable )
+	{
+		for ( AutoCloseable c : closeable ) {
+			if ( c == null )
+				continue;
+			try {
+				c.close();
+			} catch ( Throwable t ) {
+			}
+		}
+	}
+	
+	public static boolean sleep(int millis) {
+		try {
+			Thread.sleep( millis );
+			return true;
+		} catch ( InterruptedException e ) {
+			Thread.currentThread().interrupt();
+			return false;
+		}
+	}
+	
+	public static boolean joinThread(Thread t) {
+		try {
+			t.join();
+			return true;
+		} catch ( InterruptedException e ) {
+			return false;
+		}
+	}
 }
-- 
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