| Re: [equinox-dev] How does Equinox infer systemCapabilities without .profile files? |
Mickael,
It mostly starts here:
org.eclipse.osgi.storage.Storage.findVMProfile(Generation)
For Java 9 and higher it ends up here:
org.eclipse.osgi.storage.Storage.calculateVMProfile(Version)
While prototyping generating a profile I wrote some horrible code like this, using reflection to get at private things.
public void generateSelfProfile(File profileFolder) throws
IOException
{
Bundle bundle = P2CorePlugin.INSTANCE.getBundle();
Object container =
ReflectUtil.invokeMethod("getEquinoxContainer", bundle);
Storage storage =
ReflectUtil.invokeMethod("getStorage", container);
ReflectUtil.setValue("runtimeVersion", storage,
org.osgi.framework.Version.valueOf("1.5.0"));
ReflectUtil.setValue("javaSpecVersion", storage,
"1.5");
org.osgi.framework.Version runtimeVersion =
ReflectUtil.invokeMethod("getRuntimeVersion", storage);
BundleInfo info = new BundleInfo(storage, 0,
Constants.SYSTEM_BUNDLE_LOCATION, 0);
Generation generation =
ReflectUtil.invokeMethod("createGeneration", info);
Properties profileProperties =
ReflectUtil.invokeMethod(ReflectUtil.getMethod(storage,
"findVMProfile", Generation.class), storage, generation);
int major = runtimeVersion.getMajor();
String profileName = "JavaSE-" + (major == 1 ? "1." +
runtimeVersion.getMinor() : Integer.toString(major)) +
".profile";
File profileFile = new File(profileFolder,
profileName);
PrintStream profileOut = new PrintStream(profileFile,
"8859_1");
String systemCapabilities =
profileProperties.getProperty(Constants.FRAMEWORK_SYSTEMCAPABILITIES);
profileOut.println(Constants.FRAMEWORK_SYSTEMCAPABILITIES +
"=\\");
profileOut.print(' ');
profileOut.println(systemCapabilities.replace("\", ",
"\",").replace("\",", "\",\\" + System.lineSeparator() + " "));
String frameworkPackages =
profileProperties.getProperty(Constants.FRAMEWORK_SYSTEMPACKAGES);
profileOut.println(Constants.FRAMEWORK_SYSTEMPACKAGES
+ "=\\");
profileOut.print(' ');
profileOut.println(frameworkPackages.replace(", ",
",").replace(",", ",\\" + System.lineSeparator() + " "));
profileOut.close();
}
This was in a launched application that was launched with the
actual JVM for which the profile is to be generated and then uses
OSGi to compute what was previously actually loaded from a
*.profile for < Java 9.
I've attached the Java14 profile that the above computes. I have
a collection of them for Java 1.5 through 14; though of course the
< 9 are just exactly what OSGi used to keep in *.profile files.
Regards,
Ed
Hi all,
I've been deep into Tycho these days, and we managed recently to stop hardcoding the system.packages in .profile files, that's a good thing!However, we still need those profile files for newer Java versions (JavaSE-14 and so on) because they are storing the system capabilities (eg osgi.ee: JavaSE/14.0.0). I see Equinox doesn't use those profile files at all nowadays for newer Java versions, so I imagine there is a way to dynamically get those system capabilities, and Tycho should just try to use the same strategie instead of hardcoding them. I tried to find where in the code this "inference" of system capabilities is done but didn't spot where the magic happens.Can someone please give me a hint about where to find the code that does that?Thanks in advance!
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org.osgi.framework.system.capabilities=\ osgi.ee; osgi.ee="OSGi/Minimum"; version:List<Version>="1.0, 1.1, 1.2",\ osgi.ee; osgi.ee="JRE"; version:List<Version>="1.0, 1.1",\ osgi.ee; osgi.ee="JavaSE"; version:List<Version>="1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0",\ osgi.ee; osgi.ee="JavaSE/compact1"; version:List<Version>="1.8, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0",\ osgi.ee; osgi.ee="JavaSE/compact2"; version:List<Version>="1.8, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0",\ osgi.ee; osgi.ee="JavaSE/compact3"; version:List<Version>="1.8, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0" org.osgi.framework.system.packages=\ com.sun.java.accessibility.util,\ com.sun.management,\ com.sun.net.httpserver,\ com.sun.net.httpserver.spi,\ com.sun.nio.file,\ com.sun.nio.sctp,\ com.sun.security.auth,\ com.sun.security.auth.callback,\ com.sun.security.auth.login,\ com.sun.security.auth.module,\ com.sun.security.jgss,\ com.sun.source.doctree,\ com.sun.source.tree,\ com.sun.source.util,\ com.sun.tools.javac,\ java.applet,\ java.awt,\ java.awt.color,\ java.awt.datatransfer,\ java.awt.desktop,\ java.awt.dnd,\ java.awt.event,\ java.awt.font,\ java.awt.geom,\ java.awt.im,\ java.awt.im.spi,\ java.awt.image,\ java.awt.image.renderable,\ java.awt.print,\ java.beans,\ java.beans.beancontext,\ java.io,\ java.lang,\ java.lang.annotation,\ java.lang.constant,\ java.lang.instrument,\ java.lang.invoke,\ java.lang.management,\ java.lang.module,\ java.lang.ref,\ java.lang.reflect,\ java.lang.runtime,\ java.math,\ java.net,\ java.net.http,\ java.net.spi,\ java.nio,\ java.nio.channels,\ java.nio.channels.spi,\ java.nio.charset,\ java.nio.charset.spi,\ java.nio.file,\ java.nio.file.attribute,\ java.nio.file.spi,\ java.rmi,\ java.rmi.activation,\ java.rmi.dgc,\ java.rmi.registry,\ java.rmi.server,\ java.security,\ java.security.cert,\ java.security.interfaces,\ java.security.spec,\ java.sql,\ java.text,\ java.text.spi,\ java.time,\ java.time.chrono,\ java.time.format,\ java.time.temporal,\ java.time.zone,\ java.util,\ java.util.concurrent,\ java.util.concurrent.atomic,\ java.util.concurrent.locks,\ java.util.function,\ java.util.jar,\ java.util.logging,\ java.util.prefs,\ java.util.regex,\ java.util.spi,\ java.util.stream,\ java.util.zip,\ javax.accessibility,\ javax.annotation.processing,\ 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.plugins.tiff,\ javax.imageio.spi,\ javax.imageio.stream,\ 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.ldap.spi,\ javax.naming.spi,\ javax.net,\ javax.net.ssl,\ javax.print,\ javax.print.attribute,\ javax.print.attribute.standard,\ javax.print.event,\ 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.smartcardio,\ 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.nimbus,\ 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.xa,\ javax.xml,\ javax.xml.catalog,\ 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.stream,\ javax.xml.stream.events,\ javax.xml.stream.util,\ javax.xml.transform,\ javax.xml.transform.dom,\ javax.xml.transform.sax,\ javax.xml.transform.stax,\ javax.xml.transform.stream,\ javax.xml.validation,\ javax.xml.xpath,\ jdk.dynalink,\ jdk.dynalink.beans,\ jdk.dynalink.linker,\ jdk.dynalink.linker.support,\ jdk.dynalink.support,\ jdk.jfr,\ jdk.jfr.consumer,\ jdk.management.jfr,\ jdk.nashorn.api.scripting,\ jdk.nashorn.api.tree,\ jdk.net,\ jdk.nio,\ jdk.nio.mapmode,\ netscape.javascript,\ org.ietf.jgss,\ 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,\ sun.misc,\ sun.reflect