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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* 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 com.android.vts.api;
import com.android.vts.entity.TestAcknowledgmentEntity;
import com.android.vts.util.DatastoreHelper;
import com.google.appengine.api.datastore.DatastoreFailureException;
import com.google.appengine.api.datastore.DatastoreService;
import com.google.appengine.api.datastore.DatastoreServiceFactory;
import com.google.appengine.api.datastore.DatastoreTimeoutException;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.datastore.KeyFactory;
import com.google.appengine.api.datastore.Query;
import com.google.appengine.api.datastore.Transaction;
import com.google.appengine.api.users.User;
import com.google.appengine.api.users.UserService;
import com.google.appengine.api.users.UserServiceFactory;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.ConcurrentModificationException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/** Servlet for handling requests to fetch test acknowledgments. */
public class TestAcknowledgmentRestServlet extends HttpServlet {
protected static final Logger logger =
Logger.getLogger(TestAcknowledgmentRestServlet.class.getName());
/** Read all test acknowledgments. */
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
Query ackQuery = new Query(TestAcknowledgmentEntity.KIND);
List<JsonObject> testAcks = new ArrayList<>();
for (Entity ackEntity :
datastore.prepare(ackQuery).asIterable(DatastoreHelper.getLargeBatchOptions())) {
TestAcknowledgmentEntity ack = TestAcknowledgmentEntity.fromEntity(ackEntity);
if (ack == null) continue;
testAcks.add(ack.toJson());
}
response.setContentType("application/json");
PrintWriter writer = response.getWriter();
writer.print(new Gson().toJson(testAcks));
writer.flush();
}
/** Create a test acknowledgment. */
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException {
UserService userService = UserServiceFactory.getUserService();
if (!userService.isUserAdmin()) {
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
User currentUser = userService.getCurrentUser();
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
StringBuilder sb = new StringBuilder();
BufferedReader br = new BufferedReader(request.getReader());
String str;
while ((str = br.readLine()) != null) {
sb.append(str);
}
JsonObject json;
try {
json = new JsonParser().parse(sb.toString()).getAsJsonObject();
} catch (IllegalStateException e) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
}
TestAcknowledgmentEntity ack = TestAcknowledgmentEntity.fromJson(currentUser, json);
Transaction txn = datastore.beginTransaction();
try {
Key key = datastore.put(ack.toEntity());
txn.commit();
response.setContentType("application/json");
PrintWriter writer = response.getWriter();
writer.print(new Gson().toJson(KeyFactory.keyToString(key)));
writer.flush();
} catch (ConcurrentModificationException
| DatastoreFailureException
| DatastoreTimeoutException e) {
txn.rollback();
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
} finally {
if (txn.isActive()) {
logger.log(Level.WARNING, "Transaction rollback forced acknowledgment post.");
txn.rollback();
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
}
}
response.setStatus(HttpServletResponse.SC_OK);
}
/** Remove a test acknowledgment. */
@Override
public void doDelete(HttpServletRequest request, HttpServletResponse response)
throws IOException {
UserService userService = UserServiceFactory.getUserService();
if (!userService.isUserAdmin()) {
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
String stringKey = request.getPathInfo();
if (stringKey == null) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
}
if (stringKey.startsWith("/")) {
stringKey = stringKey.substring(1);
}
Key key = KeyFactory.stringToKey(stringKey);
if (!key.getKind().equals(TestAcknowledgmentEntity.KIND)) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
}
datastore.delete(key);
response.setStatus(HttpServletResponse.SC_OK);
}
}
|
