Package

Source Code of DataFeedExample

// Copyright 2009 Google Inc. All Rights Reserved.

/* 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.
*/
import com.google.gdata.client.analytics.AnalyticsService;
import com.google.gdata.client.analytics.DataQuery;
import com.google.gdata.data.analytics.Aggregates;
import com.google.gdata.data.analytics.DataEntry;
import com.google.gdata.data.analytics.DataFeed;
import com.google.gdata.data.analytics.DataSource;
import com.google.gdata.data.analytics.Dimension;
import com.google.gdata.data.analytics.Metric;
import com.google.gdata.data.analytics.Segment;
import com.google.gdata.util.AuthenticationException;
import com.google.gdata.util.ServiceException;

import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

/**
* Sample program demonstrating how to make a data request to the GA Data Export
* using client login authorization as well as accessing important data in the
* feed.
*/
public class DataFeedExample {

  private static final String CLIENT_USERNAME = "INSERT_LOGIN_EMAIL_HERE";
  private static final String CLIENT_PASS = "INSERT_PASSWORD_HERE";
  private static final String TABLE_ID = "INSERT_TABLE_ID_HERE";

  public DataFeed feed;

  public static void main(String[] args) {
    DataFeedExample example;

    try {
      example = new DataFeedExample();
    } catch (AuthenticationException e) {
      System.err.println("Authentication failed : " + e.getMessage());
      return;
    } catch (IOException e) {
      System.err.println("Network error trying to retrieve feed: " + e.getMessage());
      return;
    } catch (ServiceException e) {
      System.err.println("Analytics API responded with an error message: " + e.getMessage());
      return;
    }

    example.printFeedData();
    example.printFeedDataSources();
    example.printFeedAggregates();
    example.printSegmentInfo();
    example.printDataForOneEntry();

    System.out.println(example.getEntriesAsTable());
  }

  /**
   * Creates a new service object, attempts to authorize using the Client Login
   * authorization mechanism and requests data from the Google Analytics API.
   * @throws AuthenticationException if an error occurs with authorizing with
   *     Google Accounts.
   * @throws IOException if a network error occurs.
   * @throws ServiceException if an error occurs with the Google Analytics API.
   */
  public DataFeedExample() throws AuthenticationException, IOException, ServiceException {

    // Configure GA API.
    AnalyticsService as = new AnalyticsService("gaExportAPI_acctSample_v2.0");

    // Client Login Authorization.
    as.setUserCredentials(CLIENT_USERNAME, CLIENT_PASS);

    // GA Data Feed query uri.
    String baseUrl = "https://www.google.com/analytics/feeds/data";
    DataQuery query = new DataQuery(new URL(baseUrl));
    query.setIds(TABLE_ID);
    query.setDimensions("ga:source,ga:medium");
    query.setMetrics("ga:visits,ga:bounces");
    query.setSegment("gaid::-11");
    query.setFilters("ga:medium==referral");
    query.setSort("-ga:visits");
    query.setMaxResults(5);
    query.setStartDate("2008-10-01");
    query.setEndDate("2008-10-31");
    URL url = query.getUrl();
    System.out.println("URL: " + url.toString());

    // Send our request to the Analytics API and wait for the results to
    // come back.
    feed = as.getFeed(url, DataFeed.class);
  }

  /**
   * Prints the important Google Analytics relates data in the Data Feed.
   */
  public void printFeedData() {
    System.out.println("\n-------- Important Feed Information --------");
    System.out.println(
      "\nFeed Title            = " + feed.getTitle().getPlainText() +
      "\nFeed ID               = " + feed.getId() +
      "\nTotal Results         = " + feed.getTotalResults() +
      "\nSart Index            = " + feed.getStartIndex() +
      "\nItems Per Page        = " + feed.getItemsPerPage() +
      "\nStart Date            = " + feed.getStartDate().getValue() +
      "\nEnd Date              = " + feed.getEndDate().getValue() +
      "\nContains Sampled Data = " + feed.getContainsSampledData().getValue().toString());
  }

  /**
   * Prints the important information about the data sources in the feed.
   * Note: the GA Export API currently has exactly one data source.
   */
  public void printFeedDataSources() {
    DataSource gaDataSource = feed.getDataSources().get(0);
    System.out.println("\n-------- Data Source Information --------");
    System.out.println(
      "\nTable Name      = " + gaDataSource.getTableName().getValue() +
      "\nTable ID        = " + gaDataSource.getTableId().getValue() +
      "\nWeb Property Id = " + gaDataSource.getProperty("ga:webPropertyId") +
      "\nProfile Id      = " + gaDataSource.getProperty("ga:profileId") +
      "\nAccount Name    = " + gaDataSource.getProperty("ga:accountName"));
  }

  /**
   * Prints all the metric names and values of the aggregate data. The
   * aggregate metrics represent the sum of the requested metrics across all
   * of the entries selected by the query and not just the rows returned.
   */
  public void printFeedAggregates() {
    System.out.println("\n-------- Aggregate Metric Values --------");
    Aggregates aggregates = feed.getAggregates();
    for (Metric metric : aggregates.getMetrics()) {
      System.out.println(
        "\nMetric Name  = " + metric.getName() +
        "\nMetric Value = " + metric.getValue() +
        "\nMetric Type  = " + metric.getType() +
        "\nMetric CI    = " + metric.getConfidenceInterval().toString());
    }
  }

  /**
   * Prints segment information if the query has an advanced segment defined.
   */
  public void printSegmentInfo() {
    if (feed.hasSegments()) {
      System.out.println("\n-------- Advanced Segments Information --------");
      for (Segment segment : feed.getSegments()) {
        System.out.println(
            "\nSegment Name       = " + segment.getName() +
            "\nSegment ID         = " + segment.getId() +
            "\nSegment Definition = " + segment.getDefinition().getValue());
      }
    }
  }

  /**
   * Prints all the important information from the first entry in the
   * data feed.
   */
  public void printDataForOneEntry() {
    System.out.println("\n-------- Important Entry Information --------\n");
    if (feed.getEntries().isEmpty()) {
      System.out.println("No entries found");
    } else {
      DataEntry singleEntry = feed.getEntries().get(0);

      // Properties specific to all the entries returned in the feed.
      System.out.println("Entry ID    = " + singleEntry.getId());
      System.out.println("Entry Title = " + singleEntry.getTitle().getPlainText());

      // Iterate through all the dimensions.
      for (Dimension dimension : singleEntry.getDimensions()) {
        System.out.println("Dimension Name  = " + dimension.getName());
        System.out.println("Dimension Value = " + dimension.getValue());
      }

      // Iterate through all the metrics.
      for (Metric metric : singleEntry.getMetrics()) {
        System.out.println("Metric Name  = " + metric.getName());
        System.out.println("Metric Value = " + metric.getValue());
        System.out.println("Metric Type  = " + metric.getType());
        System.out.println("Metric CI    = " + metric.getConfidenceInterval().toString());
      }
    }
  }

  /**
   * Get the data feed values in the feed as a string.
   * @return {String} This returns the contents of the feed.
   */
  public String getEntriesAsTable() {
    if (feed.getEntries().isEmpty()) {
      return "No entries found";
    }
    DataEntry singleEntry = feed.getEntries().get(0);
    List<String> feedDataNames = new ArrayList<String>();
    StringBuffer feedDataValues = new StringBuffer("\n-------- All Entries In A Table --------\n");

    // Put all the dimension and metric names into an array.
    for (Dimension dimension : singleEntry.getDimensions()) {
      feedDataNames.add(dimension.getName());
    }
    for (Metric metric : singleEntry.getMetrics()) {
      feedDataNames.add(metric.getName());
    }

    // Put the values of the dimension and metric names into the table.
    for (DataEntry entry : feed.getEntries()) {
      for (String dataName : feedDataNames) {
        feedDataValues.append(String.format("\n%s \t= %s",
            dataName, entry.stringValueOf(dataName)));
      }
      feedDataValues.append("\n");
    }
    return feedDataValues.toString();
  }
}
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