1 files changed, 187 insertions, 0 deletions
diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/project/LocalProjectScanner.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/project/LocalProjectScanner.java
new file mode 100644
index 00000000..b397910e
--- /dev/null
+++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/project/LocalProjectScanner.java
@@ -0,0 +1,187 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * 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:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.m2e.core.project;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.SubProgressMonitor;
+
+import org.apache.maven.model.Model;
+import org.apache.maven.model.Profile;
+
+import org.eclipse.m2e.core.core.IMavenConstants;
+import org.eclipse.m2e.core.core.MavenConsole;
+import org.eclipse.m2e.core.embedder.MavenModelManager;
+import org.eclipse.m2e.core.internal.Messages;
+
+
+/**
+ * @author Eugene Kuleshov
+ */
+public class LocalProjectScanner extends AbstractProjectScanner<MavenProjectInfo> {
+  private final File workspaceRoot;
+  private final List<String> folders;
+  private final boolean basedirRemameRequired;
+
+  private Set<File> scannedFolders = new HashSet<File>();
+  private final MavenConsole console;
+  private final MavenModelManager modelManager;
+
+  public LocalProjectScanner(File workspaceRoot, String folder, boolean needsRename, MavenModelManager modelManager,
+      MavenConsole console) {
+    this(workspaceRoot, Collections.singletonList(folder), needsRename, modelManager, console);
+  }
+
+  public LocalProjectScanner(File workspaceRoot, List<String> folders, boolean basedirRemameRequired,
+      MavenModelManager modelManager, MavenConsole console) {
+    this.workspaceRoot = workspaceRoot;
+    this.folders = folders;
+    this.basedirRemameRequired = basedirRemameRequired;
+    this.modelManager = modelManager;
+    this.console = console;
+  }
+
+  public void run(IProgressMonitor monitor) throws InterruptedException {
+    monitor.beginTask(Messages.LocalProjectScanner_task_scanning, IProgressMonitor.UNKNOWN);
+    try {
+      for(String folderName : folders) {
+        try {
+          File folder = new File(folderName).getCanonicalFile();
+          scanFolder(folder, new SubProgressMonitor(monitor, IProgressMonitor.UNKNOWN));
+        } catch(IOException ex) {
+          addError(ex);
+        }
+      }
+    } finally {
+      monitor.done();
+    }
+  }
+
+  private void scanFolder(File baseDir, IProgressMonitor monitor) throws InterruptedException {
+    if(monitor.isCanceled()) {
+      throw new InterruptedException();
+    }
+
+    monitor.subTask(baseDir.toString());
+    monitor.worked(1);
+
+    // Don't scan the .metadata folder
+    if(!baseDir.exists() || !baseDir.isDirectory() || IMavenConstants.METADATA_FOLDER.equals(baseDir.getName())) {
+      return;
+    }
+
+    MavenProjectInfo projectInfo = readMavenProjectInfo(baseDir, "", null); //$NON-NLS-1$
+    if(projectInfo != null) {
+      addProject(projectInfo);
+      return; // don't scan subfolders of the Maven project
+    }
+
+    File[] files = baseDir.listFiles();
+    for(int i = 0; i < files.length; i++ ) {
+      File file;
+      try {
+        file = files[i].getCanonicalFile();
+        if(file.isDirectory()) {
+          scanFolder(file, monitor);
+        }
+      } catch(IOException ex) {
+        addError(ex);
+      }
+    }
+  }
+
+  private MavenProjectInfo readMavenProjectInfo(File baseDir, String modulePath, MavenProjectInfo parentInfo) {
+    try {
+      baseDir = baseDir.getCanonicalFile();
+      
+      File pomFile = new File(baseDir, IMavenConstants.POM_FILE_NAME);
+      if(!pomFile.exists()) {
+        return null;
+      }
+      
+      Model model = modelManager.readMavenModel(pomFile);
+
+      if (!scannedFolders.add(baseDir)) {
+        return null; // we already know this project
+      }
+
+      String pomName = modulePath + "/" + IMavenConstants.POM_FILE_NAME; //$NON-NLS-1$
+
+      MavenProjectInfo projectInfo = newMavenProjectInfo(pomName, pomFile, model, parentInfo);
+      projectInfo.setBasedirRename(getBasedirRename(projectInfo));
+
+      Map<String, Set<String>> modules = new LinkedHashMap<String, Set<String>>();
+      for(String module : model.getModules()) {
+        modules.put(module, new HashSet<String>());
+      }
+
+      for(Profile profile : model.getProfiles()) {
+        for(String module : profile.getModules()) {
+          Set<String> profiles = modules.get(module);
+          if(profiles == null) {
+            profiles = new HashSet<String>();
+            modules.put(module, profiles);
+          }
+          profiles.add(profile.getId());
+        }
+      }
+
+      for(Map.Entry<String, Set<String>> e : modules.entrySet()) {
+        String module = e.getKey();
+        Set<String> profiles = e.getValue();
+
+        File moduleBaseDir = new File(baseDir, module);
+        MavenProjectInfo moduleInfo = readMavenProjectInfo(moduleBaseDir, module, projectInfo);
+        if(moduleInfo != null) {
+          moduleInfo.addProfiles(profiles);
+          projectInfo.add(moduleInfo);
+        }
+      }
+
+      return projectInfo;
+
+    } catch(CoreException ex) {
+      addError(ex);
+      console.logError("Unable to read model " + baseDir.getAbsolutePath());
+    } catch(IOException ex) {
+      addError(ex);
+      console.logError("Unable to read model " + baseDir.getAbsolutePath());
+    }
+
+    return null;
+  }
+
+  protected MavenProjectInfo newMavenProjectInfo(String label, File pomFile, Model model, MavenProjectInfo parent) {
+    return new MavenProjectInfo(label, pomFile, model, parent);
+  }
+
+  public String getDescription() {
+    return folders.toString();
+  }
+
+  private int getBasedirRename(MavenProjectInfo mavenProjectInfo) throws IOException {
+    File cannonical = mavenProjectInfo.getPomFile().getParentFile().getParentFile().getCanonicalFile();
+    if (basedirRemameRequired && cannonical.equals(workspaceRoot.getCanonicalFile())) {
+      return MavenProjectInfo.RENAME_REQUIRED;
+    }
+    return MavenProjectInfo.RENAME_NO;
+  }
+}