| /* |
| * Copyright (c) 2015, 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 org.dartlang.vm.service.internal; |
| |
| import com.google.gson.JsonObject; |
| import org.dartlang.vm.service.logging.Logging; |
| |
| /** |
| * A {@link RequestSink} that reports with an error to each request. |
| */ |
| public class ErrorRequestSink implements RequestSink, VmServiceConst { |
| /** |
| * The {@link ResponseSink} to send error responses to. |
| */ |
| private final ResponseSink responseSink; |
| |
| private final String code; |
| private final String message; |
| |
| public ErrorRequestSink(ResponseSink responseSink, String code, String message) { |
| if (responseSink == null || code == null || message == null) { |
| throw new IllegalArgumentException("Unexpected null argument: " + responseSink + " " |
| + code + " " + message); |
| } |
| this.responseSink = responseSink; |
| this.code = code; |
| this.message = message; |
| } |
| |
| @Override |
| public void add(JsonObject request) { |
| String id = request.getAsJsonPrimitive(ID).getAsString(); |
| try { |
| // TODO(danrubel) is this the correct format for an error response? |
| JsonObject error = new JsonObject(); |
| error.addProperty(CODE, code); |
| error.addProperty(MESSAGE, message); |
| JsonObject response = new JsonObject(); |
| response.addProperty(ID, id); |
| response.add(ERROR, error); |
| responseSink.add(response); |
| } catch (Throwable e) { |
| Logging.getLogger().logError(e.getMessage(), e); |
| } |
| } |
| |
| @Override |
| public void close() { |
| } |
| } |