pom: Introduce variable for Bnd defaults

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>

pom.xml

@@ -86,6 +86,32 @@
     <bnd.includeresource>-${.}/NOTICE, -${.}/*.xsd</bnd.includeresource>
 
     <feature.directory>src/main/feature/feature.xml</feature.directory>
+
+    <oh.bndDefaults><![CDATA[Bundle-SymbolicName: ${project.artifactId}
+Automatic-Module-Name: ${def;bsn}
+Import-Package: \\
+  io.swagger.v3.oas.annotations.*;resolution:=optional,\\
+  javax.annotation.security.*;resolution:=optional,\\
+  org.eclipse.jdt.annotation.*;resolution:=optional,\\
+  org.openhab.core.automation.annotation.*;resolution:=optional;version=!,\\
+  org.openhab.*;version=!,\\
+  com.google.common.*;version="14.0",\\
+  ${bnd.importpackage},\\
+  *
+-exportcontents: \\
+  !*.internal.*,\\
+  !*.impl.*, \\
+  org.openhab.*, \\
+  ${bnd.exportpackage}
+-noimportjava: true
+-sources: false
+-contract: *
+-includeresource: ${bnd.includeresource}
+-fixupmessages: \\
+  'Unused Import-Package instructions';is:=ignore,\\
+  'Unused Export-Package instructions';is:=ignore,\\
+  ${bnd.fixupmessages}]]>
+    </oh.bndDefaults>
   </properties>
 
   <dependencyManagement>
@@ -140,30 +166,7 @@
           <artifactId>bnd-maven-plugin</artifactId>
           <version>${bnd.version}</version>
           <configuration>
-            <bnd><![CDATA[Bundle-SymbolicName: ${project.artifactId}
-Automatic-Module-Name: ${def;bsn}
-Import-Package: \\
-  io.swagger.v3.oas.annotations.*;resolution:=optional,\\
-  javax.annotation.security.*;resolution:=optional,\\
-  org.eclipse.jdt.annotation.*;resolution:=optional,\\
-  org.openhab.core.automation.annotation.*;resolution:=optional;version=!,\\
-  org.openhab.*;version=!,\\
-  com.google.common.*;version="14.0",\\
-  ${bnd.importpackage},\\
-  *
--exportcontents: \\
-  !*.internal.*,\\
-  !*.impl.*, \\
-  org.openhab.*, \\
-  ${bnd.exportpackage}
--noimportjava: true
--sources: false
--contract: *
--includeresource: ${bnd.includeresource}
--fixupmessages: \\
-  'Unused Import-Package instructions';is:=ignore,\\
-  'Unused Export-Package instructions';is:=ignore,\\
-  ${bnd.fixupmessages}]]></bnd>
+            <bnd><![CDATA[${oh.bndDefaults}]]></bnd>
             <!-- -dsannotations-options: norequirements -->
             <!-- Bundle-SymbolicName: ${project.groupId}.${project.artifactId} -->
             <skipIfEmpty>true</skipIfEmpty>