LogAppendersActivity.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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 org.kaaproject.kaa.server.admin.client.mvp.activity;

import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONNumber;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.place.shared.Place;
import com.google.gwt.user.client.rpc.AsyncCallback;

import org.kaaproject.avro.ui.gwt.client.widget.grid.AbstractGrid;
import org.kaaproject.avro.ui.gwt.client.widget.grid.event.RowActionEvent;
import org.kaaproject.kaa.common.dto.logs.LogAppenderDto;
import org.kaaproject.kaa.common.dto.logs.LogHeaderStructureDto;
import org.kaaproject.kaa.server.admin.client.KaaAdmin;
import org.kaaproject.kaa.server.admin.client.mvp.ClientFactory;
import org.kaaproject.kaa.server.admin.client.mvp.activity.grid.AbstractDataProvider;
import org.kaaproject.kaa.server.admin.client.mvp.data.AppendersDataProvider;
import org.kaaproject.kaa.server.admin.client.mvp.place.LogAppenderPlace;
import org.kaaproject.kaa.server.admin.client.mvp.place.LogAppendersPlace;
import org.kaaproject.kaa.server.admin.client.mvp.view.BaseListView;
import org.kaaproject.kaa.server.admin.client.mvp.view.grid.KaaRowAction;
import org.kaaproject.kaa.server.admin.client.servlet.ServletHelper;
import org.kaaproject.kaa.server.admin.client.util.Utils;

public class LogAppendersActivity extends AbstractListActivity<LogAppenderDto, LogAppendersPlace> {

  private String applicationId;

  public LogAppendersActivity(LogAppendersPlace place, ClientFactory clientFactory) {
    super(place, LogAppenderDto.class, clientFactory);
    this.applicationId = place.getApplicationId();
  }

  @Override
  protected BaseListView<LogAppenderDto> getView() {
    return clientFactory.getAppendersView();
  }

  @Override
  protected AbstractDataProvider<LogAppenderDto, String> getDataProvider(
          AbstractGrid<LogAppenderDto, String> dataGrid) {
    return new AppendersDataProvider(dataGrid, listView, applicationId);
  }

  @Override
  protected Place newEntityPlace() {
    return new LogAppenderPlace(applicationId, "");
  }

  @Override
  protected Place existingEntityPlace(String id) {
    return new LogAppenderPlace(applicationId, id);
  }

  @Override
  protected void deleteEntity(String id, AsyncCallback<Void> callback) {
    KaaAdmin.getDataSource().removeLogAppender(id, callback);
  }

  @Override
  protected void onCustomRowAction(final RowActionEvent<String> event) {
    Integer appenderId = Integer.valueOf(event.getClickedId());
    final int action = event.getAction();
    AsyncCallback<LogAppenderDto> callback = new AsyncCallback<LogAppenderDto>() {
      @Override
      public void onFailure(Throwable caught) {
        Utils.handleException(caught, listView);
      }

      @Override
      public void onSuccess(LogAppenderDto key) {
        JSONObject json = (JSONObject) JSONParser.parseLenient(key.getJsonConfiguration());
        json.put("minLogSchemaVersion", new JSONNumber(key.getMinLogSchemaVersion()));
        json.put("maxLogSchemaVersion", new JSONNumber(key.getMaxLogSchemaVersion()));
        json.put("pluginTypeName", new JSONString(key.getPluginTypeName()));
        json.put("pluginClassName", new JSONString(key.getPluginClassName()));
        JSONArray headersStructure = new JSONArray();
        for (LogHeaderStructureDto header : key.getHeaderStructure()) {
          headersStructure.set(headersStructure.size(), new JSONString(header.getValue()));
        }
        json.put("headerStructure", headersStructure);

        ServletHelper.downloadJsonFile(json.toString(), key.getPluginTypeName() + ".json");
      }
    };

    switch (action) {
      case KaaRowAction.DOWNLOAD_SCHEMA:
        KaaAdmin.getDataSource().getLogAppender(String.valueOf(appenderId), callback);
        break;
      default:
        break;
    }
  }
}