FELIX-2169: Improve dev:show-tree performance and avoid NPE when no matching export is found

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@918963 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/karaf/commons/pom.xml b/karaf/commons/pom.xml
new file mode 100644
index 0000000..f491e69
--- /dev/null
+++ b/karaf/commons/pom.xml
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+  <!--
+
+      Licensed to the Apache Software Foundation (ASF) under one or more
+      contributor license agreements.  See the NOTICE file distributed with
+      this work for additional information regarding copyright ownership.
+      The ASF licenses this file to You 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.
+  -->
+
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <artifactId>karaf</artifactId>
+    <groupId>org.apache.felix.karaf</groupId>
+    <version>1.5.0-SNAPSHOT</version>
+  </parent>
+
+  <groupId>org.apache.felix.karaf</groupId>
+  <artifactId>org.apache.felix.karaf.commons</artifactId>
+  <version>1.5.0-SNAPSHOT</version>
+  <packaging>bundle</packaging>
+  <name>Apache Felix Karaf :: Commons</name>
+
+  <properties>
+    <appendedResourcesDirectory>${basedir}/../etc/appended-resources</appendedResourcesDirectory>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.apache.felix</groupId>
+      <artifactId>org.osgi.core</artifactId>
+      <scope>provided</scope>
+    </dependency>    
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.felix</groupId>
+        <artifactId>maven-bundle-plugin</artifactId>
+        <configuration>
+          <instructions>
+            <Bundle-SymbolicName>${pom.artifactId}</Bundle-SymbolicName>
+            <Export-Package>${pom.artifactId}*;version=${project.version}</Export-Package>
+            <Import-Package>
+                !${pom.artifactId}*,
+                *
+            </Import-Package>
+            <_versionpolicy>${bnd.version.policy}</_versionpolicy>
+          </instructions>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>
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