1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     4 

     5 package org.chromium.sdk.internal.tools.v8.request;

     6 

     7 import java.io.IOException;

     8 import java.io.Writer;

     9 import java.util.HashMap;

    10 import java.util.LinkedHashMap;

    11 import java.util.Map;

    12 

    13 import org.json.simple.JSONStreamAware;

    14 import org.json.simple.JSONValue;

    15 

    16 /**

    17  * Represents a generic JSONStreamAware V8 request message (so that it can

    18  * serialize itself into JSON.)

    19  */

    20 public class DebuggerMessage implements JSONStreamAware {

    21 

    22   private final int sequence;

    23 

    24   private final String command;

    25 

    26   private final Map<String, Object> arguments = new HashMap<String, Object>();

    27 

    28 

    29   public DebuggerMessage(String command) {

    30     this.sequence = SeqGenerator.getInstance().next();

    31     this.command = command;

    32   }

    33 

    34   public Integer getSeq() {

    35     return sequence;

    36   }

    37 

    38   public String getType() {

    39     return V8MessageType.REQUEST.value;

    40   }

    41 

    42   public String getCommand() {

    43     return command;

    44   }

    45 

    46   public Map<String, Object> getArguments() {

    47     return arguments;

    48   }

    49 

    50   protected final void putArgument(String key, Object object) {

    51     if (object != null) {

    52       arguments.put(key, object);

    53     }

    54   }

    55 

    56   private final void putArgumentString(String key, Object object) {

    57     arguments.put(key, object.toString());

    58   }

    59 

    60   protected final void putArgumentStringIfNotNull(String key, Object object) {

    61     if (object != null) {

    62       putArgumentString(key, object);

    63     }

    64   }

    65 

    66   public void writeJSONString(Writer out) throws IOException {

    67     LinkedHashMap<String, Object> obj = new LinkedHashMap<String, Object>();

    68     obj.put("seq", sequence);

    69     obj.put("type", V8MessageType.REQUEST.value);

    70     obj.put("command", command);

    71     if (!arguments.isEmpty()) {

    72       obj.put("arguments", arguments);

    73     }

    74     JSONValue.writeJSONString(obj, out);

    75   }

    76 }