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split IsolatedScriptingContainer in non OSGi and OSGiIsolatedScriptin…
…gContainer with this split it is possible to create an instance of IsolatedScriptingContainer from ruby code via IsolatedScriptingContainer.new Sponsored by Lookout Inc.
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core/src/main/java/org/jruby/embed/osgi/OSGiIsolatedScriptingContainer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package org.jruby.embed.osgi; | ||
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| import java.net.URL; | ||
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| import org.jruby.embed.IsolatedScriptingContainer; | ||
| import org.jruby.embed.LocalContextScope; | ||
| import org.jruby.embed.LocalVariableBehavior; | ||
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| import org.osgi.framework.Bundle; | ||
| import org.osgi.framework.BundleContext; | ||
| import org.osgi.framework.FrameworkUtil; | ||
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| /** | ||
| * adds some helper methods to add Bundle to the LOAD_PATH or GEM_PATH using the | ||
| * IsolatedScriptingContainer as base. | ||
| * | ||
| * <code>new URL( uri ).openStream()</code>, i.e. <code>new URL(classloader.getResource().toString()).openStream()</code> has to work for | ||
| * those classloaders. felix, knoplerfish and equinox OSGi framework do work. | ||
| */ | ||
| public class OSGiIsolatedScriptingContainer extends IsolatedScriptingContainer { | ||
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| public OSGiIsolatedScriptingContainer() | ||
| { | ||
| this(LocalContextScope.SINGLETON); | ||
| } | ||
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| public OSGiIsolatedScriptingContainer( LocalContextScope scope, | ||
| LocalVariableBehavior behavior ) | ||
| { | ||
| this(scope, behavior, true); | ||
| } | ||
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| public OSGiIsolatedScriptingContainer( LocalContextScope scope ) | ||
| { | ||
| this(scope, LocalVariableBehavior.TRANSIENT); | ||
| } | ||
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| public OSGiIsolatedScriptingContainer( LocalVariableBehavior behavior ) | ||
| { | ||
| this(LocalContextScope.SINGLETON, behavior); | ||
| } | ||
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| public OSGiIsolatedScriptingContainer( LocalContextScope scope, | ||
| LocalVariableBehavior behavior, | ||
| boolean lazy ) | ||
| { | ||
| super(scope, behavior, lazy); | ||
| } | ||
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| private Bundle toBundle(String symbolicName) { | ||
| BundleContext context = FrameworkUtil.getBundle(getClass()).getBundleContext(); | ||
| Bundle bundle = null; | ||
| for (Bundle b : context.getBundles()) { | ||
| if (b.getSymbolicName().equals(symbolicName)) { | ||
| bundle = b; | ||
| break; | ||
| } | ||
| } | ||
| if (bundle == null ) { | ||
| throw new RuntimeException("unknown bundle: " + symbolicName); | ||
| } | ||
| return bundle; | ||
| } | ||
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| private String createUri(Bundle cl, String ref) { | ||
| URL url = cl.getResource( ref ); | ||
| if ( url == null && ref.startsWith( "/" ) ) { | ||
| url = cl.getResource( ref.substring( 1 ) ); | ||
| } | ||
| if ( url == null ) { | ||
| throw new RuntimeException( "reference " + ref + " not found on classloader " + cl ); | ||
| } | ||
| return "uri:" + url.toString().replaceFirst( ref + "$", "" ); | ||
| } | ||
| /** | ||
| * add the classloader from the given bundle to the LOAD_PATH | ||
| * @param bundle | ||
| */ | ||
| public void addBundleToLoadPath(Bundle bundle) { | ||
| addLoadPath(createUri(bundle, "/.jrubydir")); | ||
| } | ||
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| /** | ||
| * add the classloader from the given bundle to the LOAD_PATH | ||
| * using the bundle symbolic name | ||
| * | ||
| * @param symbolicName | ||
| */ | ||
| public void addBundleToLoadPath(String symbolicName) { | ||
| addBundleToLoadPath(toBundle(symbolicName)); | ||
| } | ||
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| /** | ||
| * add the classloader from the given bundle to the GEM_PATH | ||
| * @param bundle | ||
| */ | ||
| public void addBundleToGemPath(Bundle bundle) { | ||
| addGemPath(createUri(bundle, "/specifications/.jrubydir")); | ||
| } | ||
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| /** | ||
| * add the classloader from the given bundle to the GEM_PATH | ||
| * using the bundle symbolic name | ||
| * | ||
| * @param symbolicName | ||
| */ | ||
| public void addBundleToGemPath(String symbolicName) { | ||
| addBundleToGemPath(toBundle(symbolicName)); | ||
| } | ||
| } |
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