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JBIDE-16481: Starting F2 twice is now possible
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133 changes: 0 additions & 133 deletions
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...ns/org.jboss.tools.forge.core.ext/src/org/jboss/tools/forge/ext/core/ForgeCorePlugin.java
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130 changes: 130 additions & 0 deletions
130
...ns/org.jboss.tools.forge.core.ext/src/org/jboss/tools/forge/ext/core/FurnaceProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| package org.jboss.tools.forge.ext.core; | ||
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| import java.io.Closeable; | ||
| import java.io.File; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.net.URL; | ||
| import java.net.URLClassLoader; | ||
| import java.util.Collection; | ||
| import java.util.HashSet; | ||
| import java.util.concurrent.Callable; | ||
|
|
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| import org.eclipse.core.runtime.FileLocator; | ||
| import org.eclipse.core.runtime.Platform; | ||
| import org.jboss.forge.furnace.Furnace; | ||
| import org.jboss.forge.furnace.proxy.ClassLoaderAdapterCallback; | ||
| import org.jboss.forge.furnace.repositories.AddonRepositoryMode; | ||
| import org.jboss.forge.furnace.util.ClassLoaders; | ||
| import org.osgi.framework.Bundle; | ||
| import org.osgi.framework.wiring.BundleWiring; | ||
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| import bootpath.BootpathMarker; | ||
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| public class FurnaceProvider { | ||
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| public static final FurnaceProvider INSTANCE = new FurnaceProvider(); | ||
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| private static final String RUNTIME_PLUGIN_ID = "org.jboss.tools.forge2.runtime"; | ||
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| private URLClassLoader loader; | ||
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| private FurnaceProvider() {} | ||
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| public Furnace createFurnace() throws Exception { | ||
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| Furnace forge = ClassLoaders.executeIn(loader, new Callable<Furnace>() { | ||
| @Override | ||
| public Furnace call() throws Exception { | ||
| BundleWiring wiring = ForgeCorePlugin.getDefault().getBundle().adapt( | ||
| BundleWiring.class); | ||
| Collection<String> entries = wiring.listResources("bootpath", | ||
| "*.jar", BundleWiring.LISTRESOURCES_RECURSE); | ||
| Collection<URL> resources = new HashSet<URL>(); | ||
| File jarDir = File.createTempFile("forge", "jars"); | ||
| if (entries != null) | ||
| for (String resource : entries) { | ||
| URL jar = BootpathMarker.class.getResource("/" | ||
| + resource); | ||
| if (jar != null) { | ||
| resources.add(copy(jarDir, resource, | ||
| jar.openStream())); | ||
| } | ||
| } | ||
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| loader = new URLClassLoader(resources.toArray(new URL[resources | ||
| .size()]), null); | ||
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| Class<?> bootstrapType = loader | ||
| .loadClass("org.jboss.forge.furnace.impl.FurnaceImpl"); | ||
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| Object nativeForge = bootstrapType.newInstance(); | ||
| Furnace furnace = (Furnace) ClassLoaderAdapterCallback.enhance( | ||
| Furnace.class.getClassLoader(), loader, nativeForge, | ||
| Furnace.class); | ||
| setupRepositories(furnace); | ||
| return furnace; | ||
| } | ||
| }); | ||
| return forge; | ||
| } | ||
|
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| private void setupRepositories(final Furnace furnace) throws IOException { | ||
| Bundle runtimeBundle = Platform.getBundle(RUNTIME_PLUGIN_ID); | ||
| File bundleFile = FileLocator.getBundleFile(runtimeBundle); | ||
| furnace.addRepository(AddonRepositoryMode.IMMUTABLE, new File( | ||
| bundleFile, "addon-repository")); | ||
| furnace.addRepository(AddonRepositoryMode.MUTABLE, new File( | ||
| ForgeExtPreferences.INSTANCE.getAddonDir())); | ||
| } | ||
|
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| public void startFurnace() { | ||
| try { | ||
| FurnaceService.INSTANCE.setFurnace(createFurnace()); | ||
| FurnaceService.INSTANCE.start(loader); | ||
| } catch (Exception e) { | ||
| ForgeCorePlugin.log(e); | ||
| } | ||
| } | ||
|
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| private URL copy(File directory, String name, InputStream input) | ||
| throws IOException { | ||
| File outputFile = new File(directory, name); | ||
|
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| FileOutputStream output = null; | ||
| try { | ||
| directory.delete(); | ||
| outputFile.getParentFile().mkdirs(); | ||
| outputFile.createNewFile(); | ||
|
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| output = new FileOutputStream(outputFile); | ||
| final byte[] buffer = new byte[4096]; | ||
| int read = 0; | ||
| while ((read = input.read(buffer)) != -1) { | ||
| output.write(buffer, 0, read); | ||
| } | ||
| output.flush(); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException("Could not write out jar file " + name, | ||
| e); | ||
| } finally { | ||
| close(input); | ||
| close(output); | ||
| } | ||
| return outputFile.toURI().toURL(); | ||
| } | ||
|
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| private void close(Closeable closeable) { | ||
| try { | ||
| if (closeable != null) { | ||
| closeable.close(); | ||
| } | ||
| } catch (Exception e) { | ||
| throw new RuntimeException("Could not close stream", e); | ||
| } | ||
| } | ||
|
|
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| } | ||
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