]> git.argeo.org Git - gpl/argeo-slc.git/blobdiff - runtime/org.argeo.slc.osgiboot/src/main/java/org/argeo/slc/osgiboot/OsgiBoot.java
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[gpl/argeo-slc.git] / runtime / org.argeo.slc.osgiboot / src / main / java / org / argeo / slc / osgiboot / OsgiBoot.java
index 2c6d1434ab58fbe4aeb579f083f44c1249878792..788c0babfdd04ff2c39fe7577ee1ab6ea862fe60 100644 (file)
@@ -1,9 +1,14 @@
 package org.argeo.slc.osgiboot;
 
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.StringTokenizer;
@@ -14,12 +19,14 @@ import org.argeo.slc.osgiboot.internal.springutil.SystemPropertyUtils;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.BundleException;
+import org.osgi.framework.Constants;
 
 public class OsgiBoot {
        public final static String PROP_SLC_OSGI_START = "slc.osgi.start";
        public final static String PROP_SLC_OSGI_BUNDLES = "slc.osgi.bundles";
        public final static String PROP_SLC_OSGI_LOCATIONS = "slc.osgi.locations";
        public final static String PROP_SLC_OSGI_BASE_URL = "slc.osgi.baseUrl";
+       public final static String PROP_SLC_OSGI_MODULES_URL = "slc.osgi.modulesUrl";
        public final static String PROP_SLC_OSGIBOOT_DEBUG = "slc.osgiboot.debug";
 
        public final static String DEFAULT_BASE_URL = "reference:file:";
@@ -30,6 +37,7 @@ public class OsgiBoot {
                        .booleanValue();
 
        private boolean excludeSvn = true;
+       private String modulesUrlSeparator = ",";
 
        private final BundleContext bundleContext;
 
@@ -37,6 +45,15 @@ public class OsgiBoot {
                this.bundleContext = bundleContext;
        }
 
+       public void bootstrap() {
+               info("SLC OSGi bootstrap starting...");
+               installUrls(getBundlesUrls());
+               installUrls(getLocationsUrls());
+               installUrls(getModulesUrls());
+               startBundles();
+               info("SLC OSGi bootstrap completed");
+       }
+
        public void installUrls(List urls) {
                Map installedBundles = getInstalledBundles();
                for (int i = 0; i < urls.size(); i++) {
@@ -62,12 +79,51 @@ public class OsgiBoot {
 
        }
 
-       public void startBundles() throws Exception {
+       public void installOrUpdateUrls(Map urls) {
+               Map installedBundles = getBundles();
+
+               for (Iterator modules = urls.keySet().iterator(); modules.hasNext();) {
+                       String moduleName = (String) modules.next();
+                       String urlStr = (String) urls.get(moduleName);
+                       if (installedBundles.containsKey(moduleName)) {
+                               Bundle bundle = (Bundle) installedBundles.get(moduleName);
+                               InputStream in;
+                               try {
+                                       URL url = new URL(urlStr);
+                                       in = url.openStream();
+                                       bundle.update(in);
+                                       info("Updated bundle " + moduleName + " from " + urlStr);
+                               } catch (Exception e) {
+                                       throw new RuntimeException("Cannot update " + moduleName
+                                                       + " from " + urlStr);
+                               }
+                               if (in != null)
+                                       try {
+                                               in.close();
+                                       } catch (IOException e) {
+                                               e.printStackTrace();
+                                       }
+                       } else {
+                               try {
+                                       Bundle bundle = bundleContext.installBundle(urlStr);
+                                       if (debug)
+                                               debug("Installed bundle " + bundle.getSymbolicName()
+                                                               + " from " + urlStr);
+                               } catch (BundleException e) {
+                                       warn("Could not install bundle from " + urlStr + ": "
+                                                       + e.getMessage());
+                               }
+                       }
+               }
+
+       }
+
+       public void startBundles() {
                String bundlesToStart = getProperty(PROP_SLC_OSGI_START);
                startBundles(bundlesToStart);
        }
 
-       public void startBundles(String bundlesToStartStr) throws Exception {
+       public void startBundles(String bundlesToStartStr) {
                if (bundlesToStartStr == null)
                        return;
 
@@ -80,25 +136,28 @@ public class OsgiBoot {
                startBundles(bundlesToStart);
        }
 
-       public void startBundles(List bundlesToStart) throws Exception {
+       public void startBundles(List bundlesToStart) {
                if (bundlesToStart.size() == 0)
                        return;
 
-               Map bundles = getBundles();
-               for (int i = 0; i < bundlesToStart.size(); i++) {
-                       String name = bundlesToStart.get(i).toString();
-                       Bundle bundle = (Bundle) bundles.get(name);
-                       if (bundle != null)
+               List notStartedBundles = new ArrayList(bundlesToStart);
+               Bundle[] bundles = bundleContext.getBundles();
+               for (int i = 0; i < bundles.length; i++) {
+                       Bundle bundle = bundles[i];
+                       String symbolicName = bundle.getSymbolicName();
+                       if (bundlesToStart.contains(symbolicName))
                                try {
                                        bundle.start();
+                                       notStartedBundles.remove(symbolicName);
                                } catch (Exception e) {
-                                       warn("Bundle " + name + " cannot be started: "
+                                       warn("Bundle " + symbolicName + " cannot be started: "
                                                        + e.getMessage());
                                }
-                       else
-                               warn("Bundle " + name + " not installed.");
-
                }
+
+               for (int i = 0; i < notStartedBundles.size(); i++)
+                       warn("Bundle " + notStartedBundles.get(i)
+                                       + " not started because it was not found.");
        }
 
        /** Key is location */
@@ -128,6 +187,114 @@ public class OsgiBoot {
                return getLocationsUrls(baseUrl, bundleLocations);
        }
 
+       public List getModulesUrls() {
+               List urls = new ArrayList();
+               String modulesUrlStr = getProperty(PROP_SLC_OSGI_MODULES_URL);
+               if (modulesUrlStr == null)
+                       return urls;
+
+               Map installedBundles = getBundles();
+
+               BufferedReader reader = null;
+               try {
+                       URL modulesUrl = new URL(modulesUrlStr);
+                       reader = new BufferedReader(new InputStreamReader(modulesUrl
+                                       .openStream()));
+                       String line = null;
+                       while ((line = reader.readLine()) != null) {
+                               StringTokenizer st = new StringTokenizer(line,
+                                               modulesUrlSeparator);
+                               String moduleName = st.nextToken();
+                               String moduleVersion = st.nextToken();
+                               String url = st.nextToken();
+
+                               if (installedBundles.containsKey(moduleName)) {
+                                       Bundle bundle = (Bundle) installedBundles.get(moduleName);
+                                       String bundleVersion = bundle.getHeaders().get(
+                                                       Constants.BUNDLE_VERSION).toString();
+                                       int comp = compareVersions(bundleVersion, moduleVersion);
+                                       if (comp > 0) {
+                                               warn("Installed version " + bundleVersion
+                                                               + " of bundle " + moduleName
+                                                               + " is newer than  provided version "
+                                                               + moduleVersion);
+                                       } else if (comp < 0) {
+                                               urls.add(url);
+                                               info("Updated bundle " + moduleName + " with version "
+                                                               + moduleVersion + " (old version was "
+                                                               + bundleVersion + ")");
+                                       } else {
+                                               // do nothing
+                                       }
+                               } else {
+                                       urls.add(url);
+                               }
+                       }
+               } catch (Exception e1) {
+                       throw new RuntimeException("Cannot read url " + modulesUrlStr, e1);
+               } finally {
+                       if (reader != null)
+                               try {
+                                       reader.close();
+                               } catch (IOException e) {
+                                       e.printStackTrace();
+                               }
+               }
+               return urls;
+       }
+
+       /**
+        * @return ==0: versions are identical, <0: tested version is newer, >0:
+        *         currentVersion is newer.
+        */
+       protected 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;
+       }
+
        public List getLocationsUrls(String baseUrl, String bundleLocations) {
                List urls = new ArrayList();
 
@@ -141,7 +308,7 @@ public class OsgiBoot {
                StringTokenizer st = new StringTokenizer(bundleLocations,
                                File.pathSeparator);
                while (st.hasMoreTokens()) {
-                       urls.add(baseUrl + st.nextToken().trim());
+                       urls.add(locationToUrl(baseUrl, st.nextToken().trim()));
                }
                return urls;
        }
@@ -191,7 +358,7 @@ public class OsgiBoot {
                for (int i = 0; i < included.size(); i++) {
                        String fullPath = (String) included.get(i);
                        if (!excluded.contains(fullPath))
-                               urls.add(baseUrl + fullPath);
+                               urls.add(locationToUrl(baseUrl, fullPath));
                }
 
                return urls;
@@ -261,6 +428,18 @@ public class OsgiBoot {
                }
        }
 
+       protected String locationToUrl(String baseUrl, String location) {
+               int extInd = location.lastIndexOf('.');
+               String ext = null;
+               if (extInd > 0)
+                       ext = location.substring(extInd);
+
+               if (baseUrl.startsWith("reference:") && ".jar".equals(ext))
+                       return "file:" + location;
+               else
+                       return baseUrl + location;
+       }
+
        /** Transforms a relative path in a full system path. */
        protected String relativeToFullPath(String basePath, String relativePath) {
                return (basePath + '/' + relativePath).replace('/', File.separatorChar);