X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=osgi%2Fruntime%2Forg.argeo.osgi.boot%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fosgi%2Fboot%2FOsgiBootUtils.java;h=461b8e5a782eccf8012aa07b5e2fa8984131e9a0;hb=8c645414f508739725b57436d694e3a3d3372df6;hp=fa3ecc2b10ca2dd99951a9573b24c991bd270143;hpb=a152060134d0262c1e61f192ec54ef80efdf7526;p=lgpl%2Fargeo-commons.git

diff --git a/osgi/runtime/org.argeo.osgi.boot/src/main/java/org/argeo/osgi/boot/OsgiBootUtils.java b/osgi/runtime/org.argeo.osgi.boot/src/main/java/org/argeo/osgi/boot/OsgiBootUtils.java
index fa3ecc2b1..461b8e5a7 100644
--- a/osgi/runtime/org.argeo.osgi.boot/src/main/java/org/argeo/osgi/boot/OsgiBootUtils.java
+++ b/osgi/runtime/org.argeo.osgi.boot/src/main/java/org/argeo/osgi/boot/OsgiBootUtils.java
@@ -18,7 +18,12 @@ package org.argeo.osgi.boot;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
 import java.util.Date;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.osgi.framework.Bundle;
 
 /** Utilities, mostly related to logging. */
 public class OsgiBootUtils {
@@ -63,4 +68,76 @@ public class OsgiBootUtils {
 		return getProperty(name, null);
 	}
 
+	public static String stateAsString(int state) {
+		switch (state) {
+		case Bundle.UNINSTALLED:
+			return "UNINSTALLED";
+		case Bundle.INSTALLED:
+			return "INSTALLED";
+		case Bundle.RESOLVED:
+			return "RESOLVED";
+		case Bundle.STARTING:
+			return "STARTING";
+		case Bundle.ACTIVE:
+			return "ACTIVE";
+		case Bundle.STOPPING:
+			return "STOPPING";
+		default:
+			return Integer.toString(state);
+		}
+	}
+
+	/**
+	 * @return ==0: versions are identical, <0: tested version is newer, >0:
+	 *         currentVersion is newer.
+	 */
+	public static int compareVersions(String currentVersion,
+			String testedVersion) {
+		List cToks = new ArrayList();
+		StringTokenizer cSt = new StringTokenizer(currentVersion, ".");
+		while (cSt.hasMoreTokens())
+			cToks.add(cSt.nextToken());
+		List tToks = new ArrayList();
+		StringTokenizer tSt = new StringTokenizer(currentVersion, ".");
+		while (tSt.hasMoreTokens())
+			tToks.add(tSt.nextToken());
+	
+		int comp = 0;
+		comp: for (int i = 0; i < cToks.size(); i++) {
+			if (tToks.size() <= i) {
+				// equals until then, tested shorter
+				comp = 1;
+				break comp;
+			}
+	
+			String c = (String) cToks.get(i);
+			String t = (String) tToks.get(i);
+	
+			try {
+				int cInt = Integer.parseInt(c);
+				int tInt = Integer.parseInt(t);
+				if (cInt == tInt)
+					continue comp;
+				else {
+					comp = (cInt - tInt);
+					break comp;
+				}
+			} catch (NumberFormatException e) {
+				if (c.equals(t))
+					continue comp;
+				else {
+					comp = c.compareTo(t);
+					break comp;
+				}
+			}
+		}
+	
+		if (comp == 0 && tToks.size() > cToks.size()) {
+			// equals until then, current shorter
+			comp = -1;
+		}
+	
+		return comp;
+	}
+
 }