SCL-compiler should activate installed bundles

[simantics/platform.git] / bundles / org.simantics.scl.osgi / src / org / simantics / scl / osgi / internal / BundleModuleSource.java

diff --git a/bundles/org.simantics.scl.osgi/src/org/simantics/scl/osgi/internal/BundleModuleSource.java b/bundles/org.simantics.scl.osgi/src/org/simantics/scl/osgi/internal/BundleModuleSource.java
index 3213cf9b5419e7d501fdba77afd93218babc0c9e..a805e6026607c2f31e708651ba67fa982d5d5d90 100644 (file)
--- a/bundles/org.simantics.scl.osgi/src/org/simantics/scl/osgi/internal/BundleModuleSource.java
+++ b/bundles/org.simantics.scl.osgi/src/org/simantics/scl/osgi/internal/BundleModuleSource.java
@@ -1,30 +1,35 @@
 package org.simantics.scl.osgi.internal;
 
+
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
-import java.net.URISyntaxException;
 import java.net.URL;
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
 
 import org.eclipse.core.runtime.FileLocator;
 import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleException;
 import org.osgi.framework.wiring.BundleWiring;
 import org.simantics.scl.compiler.internal.codegen.types.JavaReferenceValidatorFactory;
 import org.simantics.scl.compiler.module.ImportDeclaration;
 import org.simantics.scl.compiler.module.repository.UpdateListener;
 import org.simantics.scl.compiler.source.EncodedTextualModuleSource;
 import org.simantics.scl.compiler.types.Type;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import gnu.trove.set.hash.THashSet;
 
 public class BundleModuleSource extends EncodedTextualModuleSource implements UpdateListener.Observable {
 
+    private static final Logger LOGGER = LoggerFactory.getLogger(BundleModuleSource.class);
+
     public static final ImportDeclaration[] DEFAULT_IMPORTS = new ImportDeclaration[] {
         new ImportDeclaration("Builtin", ""),
         new ImportDeclaration("StandardLibrary", "")
@@ -55,7 +60,7 @@ public class BundleModuleSource extends EncodedTextualModuleSource implements Up
     }
 
     @Override
-    protected ImportDeclaration[] getBuiltinImports(UpdateListener listener) {
+    public ImportDeclaration[] getBuiltinImports(UpdateListener listener) {
         if(bundle.getSymbolicName().equals("org.simantics.scl.runtime"))
             return DEFAULT_IMPORTS_FOR_STANDARD_LIBRARY;
         else
@@ -76,13 +81,13 @@ public class BundleModuleSource extends EncodedTextualModuleSource implements Up
                 }
                 return digest.digest();
             } catch (NoSuchAlgorithmException e) {
-                e.printStackTrace();
+                LOGGER.error("No SHA1 algorithm found", e);
                 return new byte[0];
             } finally {
                 stream.close();
             }
         } catch(IOException e) {
-            e.printStackTrace();
+            LOGGER.error("Could not compute digest for {}", getModuleName(), e);
             return new byte[0];
         }
     }
@@ -100,17 +105,27 @@ public class BundleModuleSource extends EncodedTextualModuleSource implements Up
         }
         return url.openStream();
     }
-    
+
     @Override
     public ClassLoader getClassLoader() {
-        if(bundle.getSymbolicName().equals("org.simantics.scl.runtime"))
+        if (bundle.getSymbolicName().equals("org.simantics.scl.runtime"))
             return Type.class.getClassLoader();
         else {
             BundleWiring wiring = bundle.adapt(BundleWiring.class);
-            if(wiring != null)
+            if (wiring == null && bundle.getState() == Bundle.INSTALLED) {
+                try {
+                    bundle.start();
+                } catch (BundleException e) {
+                    LOGGER.error("Could not start bundle {}", bundle.getSymbolicName(), e);
+                }
+                wiring = bundle.adapt(BundleWiring.class);
+            }
+            if (wiring != null) {
                 return wiring.getClassLoader();
-            else
+            } else {
+                LOGGER.error("Couldn't find class loader for bundle {} with state {}", bundle.getSymbolicName(), BundleUtils.resolveBundleState(bundle));
                 return getClass().getClassLoader();
+            }
         }
     }
 
@@ -126,31 +141,46 @@ public class BundleModuleSource extends EncodedTextualModuleSource implements Up
             }
         }
     }
-    
-    private Path getPath() throws IOException {
-        try {
-            return Paths.get(FileLocator.toFileURL(url).toURI());
-        } catch (URISyntaxException e) {
-            throw new IOException(e);
+
+    /*
+     * This code is a copy from org.simantics.utils.ui.BundleUtils
+     */
+    public static File resolveWritableBundleFile(URL url) throws IOException {
+        // This returns file, jar, http etc. - essentially resolves the bundle protocol
+        URL resolved = FileLocator.resolve(url);
+        if (resolved.getProtocol().equals("file")) {
+            return new File(resolved.getPath());
         }
+        return null;
     }
-    
+
+    private Path getPath() throws IOException {
+        File file = resolveWritableBundleFile(url);
+        return file != null ? file.toPath() : null;
+    }
+
     @Override
     public boolean isUpdateable() {
         try {
-            return Files.exists(getPath());
+            Path path = getPath();
+            if(path == null)
+                return false;
+            return Files.exists(path);
         } catch (IOException e) {
+            LOGGER.debug("Could not check if {} is updateable", this, e);
             return false;
         }
     }
-    
+
     @Override
     public void update(String newSourceText) {
         try {
             Path path = getPath();
+            if(path == null)
+                return;
             Files.write(path, newSourceText.getBytes(Charset.forName("UTF-8")));
         } catch(IOException e) {
-            e.printStackTrace();
+            LOGGER.error("Could not update module {} in url {} with text {}", getModuleName(), url, newSourceText);
         }
         checkUpdates();
     }