1 files changed, 58 insertions, 0 deletions
diff --git a/org.eclipse.m2e.binaryproject/src/org/eclipse/m2e/binaryproject/internal/sourcelookup/BinaryProjectDescriber.java b/org.eclipse.m2e.binaryproject/src/org/eclipse/m2e/binaryproject/internal/sourcelookup/BinaryProjectDescriber.java
new file mode 100644
index 00000000..5619de39
--- /dev/null
+++ b/org.eclipse.m2e.binaryproject/src/org/eclipse/m2e/binaryproject/internal/sourcelookup/BinaryProjectDescriber.java
@@ -0,0 +1,58 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2016 Igor Fedorenko
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *      Igor Fedorenko - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.m2e.binaryproject.internal.sourcelookup;
+
+import static org.eclipse.jdt.launching.sourcelookup.advanced.AdvancedSourceLookup.getClasspath;
+
+import java.io.File;
+import java.util.Map;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.IPackageFragmentRoot;
+import org.eclipse.jdt.launching.sourcelookup.advanced.IWorkspaceProjectDescriber;
+import org.eclipse.jdt.launching.sourcelookup.containers.PackageFragmentRootSourceContainer;
+import org.eclipse.m2e.binaryproject.internal.BinaryProjectPlugin;
+
+public class BinaryProjectDescriber implements IWorkspaceProjectDescriber {
+
+  static File getBinaryLocation(IProject project) throws CoreException {
+    if (!project.isOpen()) {
+      return null;
+    }
+    final String binaryLocation = project.getPersistentProperty(BinaryProjectPlugin.QNAME_JAR);
+    if (binaryLocation == null) {
+      return null;
+    }
+    return new File(binaryLocation);
+  }
+
+  @Override
+  public void describeProject(IJavaProject project, IJavaProjectSourceDescription description) throws CoreException {
+    final File binaryLocation = getBinaryLocation(project.getProject());
+    if (binaryLocation == null) {
+      return;
+    }
+
+    Map<File, IPackageFragmentRoot> classpath = getClasspath(project);
+    IPackageFragmentRoot binary = classpath.remove(binaryLocation);
+
+    if (binary == null) {
+      return; // this is a bug somewhere in my code
+    }
+
+    description.addDependencies(classpath);
+    description.addLocation(binaryLocation);
+    description.addSourceContainerFactory(() -> new PackageFragmentRootSourceContainer(binary));
+  }
+
+}