Move the Editor and Eclipse plugins over to using stagehand for the new project templates.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/Stagehand.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/Stagehand.java
===================================================================
--- editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/Stagehand.java	(revision 0)
+++ editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/generator/Stagehand.java	(working copy)
@@ -0,0 +1,176 @@
+/*
+ * Copyright (c) 2014, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.dart.tools.core.generator;
+
+import com.google.dart.tools.core.DartCore;
+import com.google.dart.tools.core.dart2js.ProcessRunner;
+import com.google.dart.tools.core.model.DartSdkManager;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A wrapper around the Stagehand CLI tool.
+ */
+public class Stagehand {
+  public static class StagehandTuple {
+    public String id;
+    public String description;
+    public String entrypoint;
+
+    public StagehandTuple(String id, String description) {
+      this.id = id;
+      this.description = description;
+    }
+
+    public StagehandTuple(String id, String description, String entrypoint) {
+      this.id = id;
+      this.description = description;
+      this.entrypoint = entrypoint;
+    }
+
+    @Override
+    public String toString() {
+      return "[" + id + "," + description + "]";
+    }
+  }
+
+  private static final List<StagehandTuple> EMPTY = new ArrayList<Stagehand.StagehandTuple>();
+
+  public Stagehand() {
+
+  }
+
+  /**
+   * Generate the given sample id into the given directory. Return the main (launchable) file, if
+   * any.
+   */
+  public void generateInto(File projectDirectory, String sampleId) throws StagehandException {
+    // pub global run stagehand sample
+    ProcessRunner runner = createPubRunner(
+        new String[] {"global", "run", "stagehand", sampleId},
+        projectDirectory);
+
+    try {
+      int retValue = runner.runSync(null);
+
+      if (retValue != 0) {
+        throw new StagehandException(runner.getStdErr());
+      }
+    } catch (IOException e) {
+      throw new StagehandException(e);
+    }
+  }
+
+  public List<StagehandTuple> getAvailableSamples() {
+    // pub global run stagehand --machine
+    ProcessRunner runner = createPubRunner(new String[] {"global", "run", "stagehand", "--machine"});
+
+    try {
+      int exitCode = runner.runSync(null);
+
+      if (exitCode != 0) {
+        return EMPTY;
+      }
+
+      // [{"name":"consoleapp","description":"A minimal command-line application."},{"name",...
+      JSONArray arr = new JSONArray(runner.getStdOut());
+      List<StagehandTuple> result = new ArrayList<Stagehand.StagehandTuple>();
+
+      for (int i = 0; i < arr.length(); i++) {
+        JSONObject obj = arr.getJSONObject(i);
+
+        result.add(new StagehandTuple(
+            obj.getString("name"),
+            obj.getString("description"),
+            obj.optString("entrypoint")));
+      }
+
+      return result;
+    } catch (IOException e) {
+      DartCore.logError(e);
+      return EMPTY;
+    } catch (JSONException e) {
+      DartCore.logError(e);
+      return EMPTY;
+    }
+  }
+
+  public void install() {
+    // pub global activate stagehand
+    DartSdkManager.getManager().getSdk().getVmExecutable().getPath();
+    ProcessRunner runner = createPubRunner(new String[] {"global", "activate", "stagehand"});
+
+    try {
+      runner.runSync(null);
+    } catch (IOException e) {
+
+    }
+  }
+
+  public boolean isInstalled() {
+    // pub global list
+    ProcessRunner runner = createPubRunner(new String[] {"global", "list"});
+
+    try {
+      int exitCode = runner.runSync(null);
+
+      if (exitCode != 0) {
+        return false;
+      }
+
+      String[] lines = runner.getStdOut().split("\n");
+
+      for (String line : lines) {
+        if (line.startsWith("stagehand ")) {
+          return true;
+        }
+      }
+
+      return false;
+    } catch (IOException e) {
+      return false;
+    }
+  }
+
+  public void upgrade() {
+    // pub global activate stagehand
+    install();
+  }
+
+  private ProcessRunner createPubRunner(String[] args) {
+    return createPubRunner(args, null);
+  }
+
+  private ProcessRunner createPubRunner(String[] args, File cwd) {
+    String vmPath = DartSdkManager.getManager().getSdk().getPubExecutable().getPath();
+    List<String> list = new ArrayList<String>();
+    list.add(vmPath);
+    for (String str : args) {
+      list.add(str);
+    }
+    ProcessBuilder builder = new ProcessBuilder(list);
+    if (cwd != null) {
+      builder.directory(cwd);
+    }
+    return new ProcessRunner(builder);
+  }
+}