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Gregorio development #2

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23af3b5
add servelet and java script
gasigala Mar 5, 2021
de3e020
add array list, modify javascript
gasigala Mar 6, 2021
974bfac
working json on html page
gasigala Mar 7, 2021
5442ebb
week 2 done, add submission form
gasigala Mar 7, 2021
182654c
pull request changes, 1 unresolved
gasigala Mar 11, 2021
3efcbd6
requested changes made on java script file
gasigala Mar 12, 2021
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6 changes: 6 additions & 0 deletions portfolio/pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,12 @@
<artifactId>jetty-annotations</artifactId>
<version>${jetty.version}</version>
</dependency>

<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.6</version>
</dependency>
</dependencies>

<build>
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27 changes: 27 additions & 0 deletions portfolio/src/main/java/com/google/sps/servlets/FormHandlerServlet.java
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@@ -0,0 +1,27 @@
package com.google.sps.servlets;

import java.io.IOException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/form-handler")

public class FormHandlerServlet extends HttpServlet {
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
// Get the value entered in the form.
String textValue = request.getParameter("text-input");

// Print the value so you can see it in the server logs.
System.out.println("You submitted: " + textValue);

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// Write the value to the response so the user can see it.
//want to be able to confirm resolution then go back to the page
response.setContentType("text/html;");
response.getWriter().println("You submitted: " + textValue);

@kboni-tc kboni-tc Mar 15, 2021

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Do you want to add html tags to this, like "println(<h1>You submitted: " + textValue + "</h1>)"?


response.sendRedirect("http://gsigala-sps-spring21.appspot.com");
}
}
23 changes: 18 additions & 5 deletions portfolio/src/main/java/com/google/sps/servlets/week2Servelet.java
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@@ -1,21 +1,34 @@
package com.google.sps.servlets;


import java.io.IOException;
import java.util.ArrayList;
import com.google.gson.Gson;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/** Servlet that returns HTML that contains the page view count. */
@WebServlet("/week2")
public class week2Servelet extends HttpServlet {


@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
ArrayList<String> randomMessage= new ArrayList<String>();
randomMessage.add("Hello there!");
randomMessage.add("Hope you enjoy your stay.");
randomMessage.add("Stay tuned for what to come");

response.setContentType("text/html;");
response.getWriter().println("<h1>This is a servelet example:</h1>");
response.getWriter().println("<p>Hello world!</p>");
String json = convertToJsonUsingGson(randomMessage);
//not exactly sure
response.setContentType("application/json;");
response.getWriter().println(json);

}
private static String convertToJsonUsingGson(ArrayList<String> randomMessage) {
Gson gson = new Gson();
String json = gson.toJson(randomMessage);
return json;
}
}
14 changes: 12 additions & 2 deletions portfolio/src/main/webapp/index.html
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Expand Up @@ -5,6 +5,7 @@
<title>My Portfolio</title>
<link rel="stylesheet" href="style.css">
<script src="script.js"></script>
<script src="new_script.js"></script>
</head>
<body>
<div id="content">
Expand All @@ -24,11 +25,20 @@ <h1>Gregorio Sigala's Portfolio</h1>
either "I love it" or "this just ruined the app for me." Regardless if the feature is usefull or not, if it
doesn't feel nice then no one is going to use it.
</p>
<p>Click <a href="/hello">here</a> to see content created by server code.</p>
<p>Click<a href= "/week2"> here</a> to see a servelet in action</p>

<p id= "message-container"></p>
<button type="button" onclick="random_greeting()">Click for a random message using JSON</button>
<p>Click here to get a random message:</p>
<button onclick="addRandomGreeting()">Click me!</button>
<div id="greeting-container"></div>

<form action="/form-handler" method="POST">
<p>Enter some text here:</p>
<textarea name="text-input">hello world</textarea>
<br/>
<input type="submit" />
</form>

</div>
<div class= "row">
<div class= "column">
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8 changes: 8 additions & 0 deletions portfolio/src/main/webapp/new_script.js
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@@ -0,0 +1,8 @@
//will return a hardcoded message from json
async function random_greeting() {
const responseFromServer = await fetch('/week2');// week 2 is the week2Servelet.java
const messageContainer = document.getElementById('message-container');

const textFromResponse = await responseFromServer.json();
messageContainer.innerText = textFromResponse[Math.floor(Math.random() * 3)];
}
3 changes: 2 additions & 1 deletion ...erver/examples/server-stats/src/main/java/com/google/sps/servlets/ServerStatsServlet.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,8 @@ public void doGet(HttpServletRequest request, HttpServletResponse response) thro

// Convert the server stats to JSON
ServerStats serverStats = new ServerStats(startTime, currentTime, maxMemory, usedMemory);
String json = convertToJson(serverStats);
//String json = convertToJson(serverStats);
String json = convertToJsonUsingGson(serverStats);

// Send the JSON as the response
response.setContentType("application/json;");
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