Well that's right and works but it's not nice. Have a look on some karaf code for that:

jre-1.6= \

javax.accessibility, \

javax.activation;version="1.1", \

javax.activity, \

javax.annotation;version="1.1", \

javax.annotation.processing;version="1.1", \

javax.crypto, \

javax.crypto.interfaces, \

javax.crypto.spec, \

javax.imageio, \

javax.imageio.event, \

javax.imageio.metadata, \

javax.imageio.plugins.bmp, \

javax.imageio.plugins.jpeg, \

javax.imageio.spi, \

javax.imageio.stream, \

javax.jws, \

javax.jws.soap, \

javax.lang.model, \

javax.lang.model.element, \

javax.lang.model.type, \

javax.lang.model.util, \

javax.management, \

javax.management.loading, \

javax.management.modelmbean, \

javax.management.monitor, \

javax.management.openmbean, \

javax.management.relation, \

javax.management.remote, \

javax.management.remote.rmi, \

javax.management.timer, \

javax.naming, \

javax.naming.directory, \

javax.naming.event, \

javax.naming.ldap, \

javax.naming.spi, \

javax.net, \

javax.net.ssl, \

javax.print, \

javax.print.attribute, \

javax.print.attribute.standard, \

javax.print.event, \

javax.rmi, \

javax.rmi.CORBA, \

javax.rmi.ssl, \

javax.script, \

javax.security.auth, \

javax.security.auth.callback, \

javax.security.auth.kerberos, \

javax.security.auth.login, \

javax.security.auth.spi, \

javax.security.auth.x500, \

javax.security.cert, \

javax.security.sasl, \

javax.sound.midi, \

javax.sound.midi.spi, \

javax.sound.sampled, \

javax.sound.sampled.spi, \

javax.sql, \

javax.sql.rowset, \

javax.sql.rowset.serial, \

javax.sql.rowset.spi, \

javax.swing, \

javax.swing.border, \

javax.swing.colorchooser, \

javax.swing.event, \

javax.swing.filechooser, \

javax.swing.plaf, \

javax.swing.plaf.basic, \

javax.swing.plaf.metal, \

javax.swing.plaf.multi, \

javax.swing.plaf.synth, \

javax.swing.table, \

javax.swing.text, \

javax.swing.text.html, \

javax.swing.text.html.parser, \

javax.swing.text.rtf, \

javax.swing.tree, \

javax.swing.undo, \

javax.tools, \

javax.transaction; javax.transaction.xa; partial=true; mandatory:=partial, \

javax.xml, \

javax.xml.bind;version="2.2.1", \

javax.xml.bind.annotation;version="2.2.1", \

javax.xml.bind.annotation.adapters;version="2.2.1", \

javax.xml.bind.attachment;version="2.2.1", \

javax.xml.bind.helpers;version="2.2.1", \

javax.xml.bind.util;version="2.2.1", \

javax.xml.crypto, \

javax.xml.crypto.dom, \

javax.xml.crypto.dsig, \

javax.xml.crypto.dsig.dom, \

javax.xml.crypto.dsig.keyinfo, \

javax.xml.crypto.dsig.spec, \

javax.xml.datatype, \

javax.xml.namespace, \

javax.xml.parsers, \

javax.xml.soap;version="1.3", \

javax.xml.stream;version="1.2", \

javax.xml.stream.events;version="1.2", \

javax.xml.stream.util;version="1.2", \

javax.xml.transform, \

javax.xml.transform.dom, \

javax.xml.transform.sax, \

javax.xml.transform.stax, \

javax.xml.transform.stream, \

javax.xml.validation, \

javax.xml.ws;version="2.2", \

javax.xml.ws.handler;version="2.2", \

javax.xml.ws.handler.soap;version="2.2", \

javax.xml.ws.http;version="2.2", \

javax.xml.ws.soap;version="2.2", \

javax.xml.ws.spi;version="2.2", \

javax.xml.ws.wsaddressing;version="2.2", \

javax.xml.ws.spi.http;version="2.2", \

javax.xml.xpath, \

org.ietf.jgss, \

org.omg.CORBA, \

org.omg.CORBA_2_3, \

org.omg.CORBA_2_3.portable, \

org.omg.CORBA.DynAnyPackage, \

org.omg.CORBA.ORBPackage, \

org.omg.CORBA.portable, \

org.omg.CORBA.TypeCodePackage, \

org.omg.CosNaming, \

org.omg.CosNaming.NamingContextExtPackage, \

org.omg.CosNaming.NamingContextPackage, \

org.omg.Dynamic, \

org.omg.DynamicAny, \

org.omg.DynamicAny.DynAnyFactoryPackage, \

org.omg.DynamicAny.DynAnyPackage, \

org.omg.IOP, \

org.omg.IOP.CodecFactoryPackage, \

org.omg.IOP.CodecPackage, \

org.omg.Messaging, \

org.omg.PortableInterceptor, \

org.omg.PortableInterceptor.ORBInitInfoPackage, \

org.omg.PortableServer, \

org.omg.PortableServer.CurrentPackage, \

org.omg.PortableServer.POAManagerPackage, \

org.omg.PortableServer.POAPackage, \

org.omg.PortableServer.portable, \

org.omg.PortableServer.ServantLocatorPackage, \

org.omg.SendingContext, \

org.omg.stub.java.rmi, \

org.omg.stub.javax.management.remote.rmi, \

org.w3c.dom, \

org.w3c.dom.bootstrap, \

org.w3c.dom.css, \

org.w3c.dom.events, \

org.w3c.dom.html, \

org.w3c.dom.ls, \

org.w3c.dom.ranges, \

org.w3c.dom.stylesheets, \

org.w3c.dom.traversal, \

org.w3c.dom.views, \

org.w3c.dom.xpath, \

org.xml.sax, \

org.xml.sax.ext, \

org.xml.sax.helpers