Added messages feature via JSON as per step 3 of week 3 #7
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ihsan314
requested review from
AKdroid,
ccondit,
fabielzuniga,
kaveh096 and
zonghengma
portfolio/pom.xml
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| <dependency> | ||
| <groupId>com.google.code.gson</groupId> | ||
| <artifactId>gson</artifactId> | ||
| <version>2.8.6</version> | ||
| </dependency> |
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nit - let's keep dependencies alphabetical by groupId and then artifactId
| import javax.servlet.http.HttpServletRequest; | ||
| import javax.servlet.http.HttpServletResponse; | ||
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| import java.util.ArrayList; |
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Can you run this file through the gist? Should fix these imports for us.
| import java.util.ArrayList; | ||
| import com.google.gson.Gson; | ||
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| /** Servlet that returns some example content. TODO: modify this file to handle comments data */ |
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nit - remove this TODO comment, now that the class is handling comment data.
portfolio/src/main/java/com/google/sps/servlets/DataServlet.java
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| /** Servlet that returns some example content. */ | ||
| @WebServlet("/data") | ||
| public class DataServlet extends HttpServlet { | ||
| List<String> messages = new ArrayList<>(); |
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Move this variable definition into the doGet method. If you define it at the class level, then every time someone refreshes your page, your code will add another 3 comments to the array. Eventually your server will OOM after so many visits.
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It seems doGet always returns the same messages, this could be made a constant ImmutableList instead.
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Oh oops I don't think it got changed, I'll quickly move the variable definition.
| /** Servlet that returns some example content. */ | ||
| @WebServlet("/data") | ||
| public class DataServlet extends HttpServlet { | ||
| List<String> messages = new ArrayList<>(); |
This pull request uses local memory to store comments, and allows them to be fetched with a GET request. The GET request returns the comment pairs in JSON format, and the webpage displays the comments upon page load.