Rename SLC Core into SLC Spring.

[gpl/argeo-slc.git] / org.argeo.slc.spring / src / org / argeo / slc / osgi / build / BundleModularDistribution.java

diff --git a/org.argeo.slc.spring/src/org/argeo/slc/osgi/build/BundleModularDistribution.java b/org.argeo.slc.spring/src/org/argeo/slc/osgi/build/BundleModularDistribution.java
new file mode 100644 (file)
index 0000000..db7c7e8
--- /dev/null
+++ b/org.argeo.slc.spring/src/org/argeo/slc/osgi/build/BundleModularDistribution.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.slc.osgi.build;
+
+import java.net.URL;
+import java.util.Enumeration;
+import java.util.SortedMap;
+import java.util.StringTokenizer;
+import java.util.jar.JarInputStream;
+import java.util.jar.Manifest;
+
+import org.apache.commons.io.IOUtils;
+import org.argeo.slc.DefaultNameVersion;
+import org.argeo.slc.NameVersion;
+import org.argeo.slc.build.Distribution;
+import org.argeo.slc.core.build.VersionedResourceDistribution;
+import org.osgi.framework.Constants;
+import org.springframework.context.ResourceLoaderAware;
+import org.springframework.core.io.ResourceLoader;
+
+public class BundleModularDistribution extends AbstractOsgiModularDistribution
+               implements ResourceLoaderAware {
+       private ResourceLoader resourceLoader;
+
+       private String libDirectory = "/lib";
+
+       protected void fillDistributions(
+                       SortedMap<NameVersion, Distribution> distributions)
+                       throws Exception {
+               Enumeration<URL> urls = (Enumeration<URL>) getBundleContext()
+                               .getBundle().findEntries(libDirectory, "*.jar", false);
+               while (urls.hasMoreElements()) {
+                       URL url = urls.nextElement();
+                       JarInputStream in = null;
+                       try {
+                               in = new JarInputStream(url.openStream());
+                               Manifest mf = in.getManifest();
+                               String name = mf.getMainAttributes().getValue(
+                                               Constants.BUNDLE_SYMBOLICNAME);
+                               // Skip additional specs such as
+                               // ; singleton:=true
+                               if (name.indexOf(';') > -1) {
+                                       name = new StringTokenizer(name, " ;").nextToken();
+                               }
+
+                               String version = mf.getMainAttributes().getValue(
+                                               Constants.BUNDLE_VERSION);
+                               DefaultNameVersion nameVersion = new DefaultNameVersion(name,
+                                               version);
+                               distributions.put(nameVersion,
+                                               new VersionedResourceDistribution(name, version,
+                                                               resourceLoader.getResource(url.toString())));
+                       } finally {
+                               IOUtils.closeQuietly(in);
+                       }
+               }
+       }
+
+       public void setLibDirectory(String libDirectory) {
+               this.libDirectory = libDirectory;
+       }
+
+       public void setResourceLoader(ResourceLoader resourceLoader) {
+               this.resourceLoader = resourceLoader;
+       }
+
+       /*
+        * @SuppressWarnings(value = { "unchecked" }) protected URL
+        * findModule(String moduleName, String version) { Enumeration<URL> urls =
+        * (Enumeration<URL>) bundleContext.getBundle() .findEntries(libDirectory,
+        * moduleName + "*", false);
+        * 
+        * if (!urls.hasMoreElements()) throw new SlcException("Cannot find module "
+        * + moduleName);
+        * 
+        * URL url = urls.nextElement();
+        * 
+        * // TODO: check version as well if (urls.hasMoreElements()) throw new
+        * SlcException("More than one module with name " + moduleName); return url;
+        * }
+        */
+
+}