[Third Party] Add Robolectric 3.0 build files.

third_party/robolectric/template_processor/src/org/chromium/testing/robolectric/template/ProcessTemplateArgParser.java

Index: third_party/robolectric/template_processor/src/org/chromium/testing/robolectric/template/ProcessTemplateArgParser.java
diff --git a/third_party/robolectric/template_processor/src/org/chromium/testing/robolectric/template/ProcessTemplateArgParser.java b/third_party/robolectric/template_processor/src/org/chromium/testing/robolectric/template/ProcessTemplateArgParser.java
new file mode 100644
index 0000000000000000000000000000000000000000..1df401a7b7120470fbd68fcd845f416e1aa4a394
--- /dev/null
+++ b/third_party/robolectric/template_processor/src/org/chromium/testing/robolectric/template/ProcessTemplateArgParser.java
@@ -0,0 +1,99 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.testing.robolectric.template;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/**
+ *  Parses command line arguments for ProcessRobolectricTemplate.
+ */
+public class ProcessTemplateArgParser {
+
+    private Path mBaseTemplateDir;
+    private Path mOutputDir;
+    private Integer mApiLevel;
+
+    public static ProcessTemplateArgParser parse(String[] args) {
+
+        ProcessTemplateArgParser parsed = new ProcessTemplateArgParser();
+
+        for (int i = 0; i < args.length; ++i) {
+            if (args[i].startsWith("-")) {
+                String argName;
+                if (args[i].startsWith("-", 1)) {
+                    argName = args[i].substring(2, args[i].length());
+                } else {
+                    argName = args[i].substring(1, args[i].length());
+                }
+                try {
+                    if ("output-dir".equals(argName)) {
+                        // Read the command line argument after the flag.
+                        parsed.setOutputDir(args[++i]);
+                    } else if ("base-template-dir".equals(argName)) {
+                        // Read the command line argument after the flag.
+                        parsed.setBaseTemplateDir(args[++i]);
+                    } else if ("api-level".equals(argName)) {
+                        // Read the command line argument after the flag.
+                        parsed.setApiLevel(args[++i]);
+                    } else {
+                        System.out.println("Ignoring flag: \"" + argName + "\"");
+                    }
+                } catch (ArrayIndexOutOfBoundsException e) {
+                    System.err.println("No value specified for argument \"" + argName + "\"");
+                    System.exit(1);
+                }
+            } else {
+                System.out.println("Ignoring argument: \"" + args[i] + "\"");
+            }
+        }
+
+        if (parsed.getOutputDir() == null) {
+            System.err.println("--output-dir argument required.");
+            System.exit(1);
+        }
+
+        if (parsed.getBaseTemplateDir() == null) {
+            System.err.println("--base-template-dir argument required.");
+            System.exit(1);
+        }
+
+        if (parsed.getApiLevel() == null) {
+            System.err.println("--api-level argument required.");
+            System.exit(1);
+        }
+        return parsed;
+    }
+
+    private ProcessTemplateArgParser() {
+        mBaseTemplateDir = null;
+        mOutputDir = null;
+        mApiLevel = null;
+    }
+
+    public Path getBaseTemplateDir() {
+        return mBaseTemplateDir;
+    }
+
+    public Path getOutputDir() {
+        return mOutputDir;
+    }
+
+    public Integer getApiLevel() {
+        return mApiLevel;
+    }
+
+    private void setBaseTemplateDir(String path) {
+        mBaseTemplateDir = Paths.get(path);
+    }
+
+    private void setOutputDir(String path) {
+        mOutputDir = Paths.get(path);
+    }
+
+    private void setApiLevel(String integer) {
+        mApiLevel = Integer.parseInt(integer);
+    }
+}