fix classpath generation with manually installed plugins

scm-webapp/src/main/java/sonia/scm/plugin/AetherDependencyResolver.java

@@ -0,0 +1,210 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer. 2. Redistributions in
+ * binary form must reproduce the above copyright notice, this list of
+ * conditions and the following disclaimer in the documentation and/or other
+ * materials provided with the distribution. 3. Neither the name of SCM-Manager;
+ * nor the names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.plugin;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.collect.Lists;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.sonatype.aether.RepositorySystem;
+import org.sonatype.aether.RepositorySystemSession;
+import org.sonatype.aether.collection.CollectRequest;
+import org.sonatype.aether.collection.DependencyCollectionException;
+import org.sonatype.aether.graph.Dependency;
+import org.sonatype.aether.graph.DependencyNode;
+import org.sonatype.aether.repository.LocalRepository;
+import org.sonatype.aether.repository.RemoteRepository;
+import org.sonatype.aether.resolution.DependencyResolutionException;
+import org.sonatype.aether.util.graph.PreorderNodeListGenerator;
+
+import sonia.scm.config.ScmConfiguration;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.List;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class AetherDependencyResolver
+{
+
+  /**
+   * the logger for AetherDependencyResolver
+   */
+  private static final Logger logger =
+    LoggerFactory.getLogger(AetherDependencyResolver.class);
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   * @param configuration
+   * @param system
+   * @param localRepository
+   * @param remoteRepositories
+   */
+  public AetherDependencyResolver(ScmConfiguration configuration,
+    RepositorySystem system, LocalRepository localRepository,
+    List<RemoteRepository> remoteRepositories)
+  {
+    this.configuration = configuration;
+    this.system = system;
+    this.localRepository = localRepository;
+    this.remoteRepositories = remoteRepositories;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public String createClassPath()
+  {
+    PreorderNodeListGenerator nodeListGenerator =
+      new PreorderNodeListGenerator();
+
+    for (DependencyNode node : resolvedNodes)
+    {
+      node.accept(nodeListGenerator);
+    }
+
+    return nodeListGenerator.getClassPath();
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param dependency
+   *
+   * @throws DependencyCollectionException
+   * @throws DependencyResolutionException
+   */
+  public void resolveLocalDependency(Dependency dependency)
+    throws DependencyCollectionException, DependencyResolutionException
+  {
+    CollectRequest request = new CollectRequest();
+
+    request.setRoot(dependency);
+    resolveDependency(request);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param dependency
+   *
+   * @throws DependencyCollectionException
+   * @throws DependencyResolutionException
+   */
+  public void resolveRemoteDependency(Dependency dependency)
+    throws DependencyCollectionException, DependencyResolutionException
+  {
+    resolveDependency(new CollectRequest(dependency, remoteRepositories));
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param request
+   *
+   * @throws DependencyCollectionException
+   * @throws DependencyResolutionException
+   */
+  private void resolveDependency(CollectRequest request)
+    throws DependencyCollectionException, DependencyResolutionException
+  {
+    DependencyNode node = Aether.resolveDependencies(system, getSession(),
+                            request);
+
+    if (logger.isTraceEnabled())
+    {
+      StringDependencyGraphDumper dumper = new StringDependencyGraphDumper();
+
+      node.accept(dumper);
+      logger.trace(dumper.getGraphAsString());
+    }
+
+    resolvedNodes.add(node);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  private RepositorySystemSession getSession()
+  {
+    if (session == null)
+    {
+      session = Aether.createRepositorySystemSession(system, localRepository,
+        configuration);
+    }
+
+    return session;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private ScmConfiguration configuration;
+
+  /** Field description */
+  private LocalRepository localRepository;
+
+  /** Field description */
+  private List<RemoteRepository> remoteRepositories;
+
+  /** Field description */
+  private List<DependencyNode> resolvedNodes = Lists.newArrayList();
+
+  /** Field description */
+  private RepositorySystemSession session;
+
+  /** Field description */
+  private RepositorySystem system;
+}