Initial code to generate the Java types from the spec.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Parameter.java

Index: editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Parameter.java
diff --git a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Parameter.java b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Parameter.java
new file mode 100644
index 0000000000000000000000000000000000000000..591bed4f3d21eaadda87b2761103e009750574d7
--- /dev/null
+++ b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/Parameter.java
@@ -0,0 +1,88 @@
+/*
+ * 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.
+ *
+ * This file has been automatically generated.  Please do not edit it manually.
+ * To regenerate the file, use the script "pkg/analysis_server/spec/generate_files".
+ */
+package com.google.dart.server.generated.types;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import com.google.dart.server.utilities.general.ObjectUtilities;
+import org.apache.commons.lang3.StringUtils;
+
+/**
+ * A description of a parameter.
+ *
+ * @coverage dart.server.generated.types
+ */
+@SuppressWarnings("unused")
+public class Parameter {

[scheglov, 2014/08/13 22:05:58]

This looks as a too generic name to me.
ExtractMethodParameter maybe?

In the future we could create "Change Method Signature" refactoring.

I will create a CL for the spec.

[jwren, 2014/08/13 22:34:27]

Awesome, thanks!

+
+  /**
+   * The name that should be given to the parameter.
+   */
+  private final String name;
+
+  /**
+   * The type that should be given to the parameter.
+   */
+  private final String type;
+
+  /**
+   * Constructor for {@link Parameter}.
+   */
+  public Parameter(String type, String name) {
+    this.type = type;
+    this.name = name;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (obj instanceof Parameter) {
+      Parameter other = (Parameter) obj;
+      return
+        ObjectUtilities.equals(other.type, type) &&
+        ObjectUtilities.equals(other.name, name);
+    }
+    return false;
+  }
+
+  /**
+   * The name that should be given to the parameter.
+   */
+  public String getName() {
+    return name;
+  }
+
+  /**
+   * The type that should be given to the parameter.
+   */
+  public String getType() {
+    return type;
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder builder = new StringBuilder();
+    builder.append("[");
+    builder.append("type=");
+    builder.append(type.toString() + ", ");
+    builder.append("name=");
+    builder.append(name.toString() + ", ");
+    builder.append("]");
+    return builder.toString();
+  }
+
+}