--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.chromium.sdk/src/org/chromium/sdk/internal/tools/v8/request/DebuggerMessage.java	Wed Dec 23 17:13:18 2009 -0800
@@ -0,0 +1,76 @@
+// Copyright (c) 2009 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.sdk.internal.tools.v8.request;
+
+import java.io.IOException;
+import java.io.Writer;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.json.simple.JSONStreamAware;
+import org.json.simple.JSONValue;
+
+/**
+ * Represents a generic JSONStreamAware V8 request message (so that it can
+ * serialize itself into JSON.)
+ */
+public class DebuggerMessage implements JSONStreamAware {
+
+  private final int sequence;
+
+  private final String command;
+
+  private final Map<String, Object> arguments = new HashMap<String, Object>();
+
+
+  public DebuggerMessage(String command) {
+    this.sequence = SeqGenerator.getInstance().next();
+    this.command = command;
+  }
+
+  public Integer getSeq() {
+    return sequence;
+  }
+
+  public String getType() {
+    return V8MessageType.REQUEST.value;
+  }
+
+  public String getCommand() {
+    return command;
+  }
+
+  public Map<String, Object> getArguments() {
+    return arguments;
+  }
+
+  protected final void putArgument(String key, Object object) {
+    if (object != null) {
+      arguments.put(key, object);
+    }
+  }
+
+  private final void putArgumentString(String key, Object object) {
+    arguments.put(key, object.toString());
+  }
+
+  protected final void putArgumentStringIfNotNull(String key, Object object) {
+    if (object != null) {
+      putArgumentString(key, object);
+    }
+  }
+
+  public void writeJSONString(Writer out) throws IOException {
+    LinkedHashMap<String, Object> obj = new LinkedHashMap<String, Object>();
+    obj.put("seq", sequence);
+    obj.put("type", V8MessageType.REQUEST.value);
+    obj.put("command", command);
+    if (!arguments.isEmpty()) {
+      obj.put("arguments", arguments);
+    }
+    JSONValue.writeJSONString(obj, out);
+  }
+}