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WebSocketServerIndexPage Class — netty Architecture

Architecture documentation for the WebSocketServerIndexPage class in WebSocketServerIndexPage.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  26de8a19_763c_f037_17ee_f3803aaabc3f["WebSocketServerIndexPage"]
  61cbd78e_28bb_e993_3517_82dd697612f2["WebSocketServerIndexPage.java"]
  26de8a19_763c_f037_17ee_f3803aaabc3f -->|defined in| 61cbd78e_28bb_e993_3517_82dd697612f2
  b7f658f8_4d7d_c24a_e2c1_2f7f360a272f["ByteBuf()"]
  26de8a19_763c_f037_17ee_f3803aaabc3f -->|method| b7f658f8_4d7d_c24a_e2c1_2f7f360a272f
  2b3e4831_9e3b_7943_1b83_bc89557ad5f6["WebSocketServerIndexPage()"]
  26de8a19_763c_f037_17ee_f3803aaabc3f -->|method| 2b3e4831_9e3b_7943_1b83_bc89557ad5f6

Relationship Graph

Source Code

example/src/main/java/io/netty/example/http/websocketx/server/WebSocketServerIndexPage.java lines 25–79

public final class WebSocketServerIndexPage {

    private static final String NEWLINE = "\r\n";

    public static ByteBuf getContent(String webSocketLocation) {
        return Unpooled.copiedBuffer(
                "<html><head><title>Web Socket Test</title></head>" + NEWLINE +
                "<body>" + NEWLINE +
                "<script type=\"text/javascript\">" + NEWLINE +
                "var socket;" + NEWLINE +
                "if (!window.WebSocket) {" + NEWLINE +
                "  window.WebSocket = window.MozWebSocket;" + NEWLINE +
                '}' + NEWLINE +
                "if (window.WebSocket) {" + NEWLINE +
                "  socket = new WebSocket(\"" + webSocketLocation + "\");" + NEWLINE +
                "  socket.onmessage = function(event) {" + NEWLINE +
                "    var ta = document.getElementById('responseText');" + NEWLINE +
                "    ta.value = ta.value + '\\n' + event.data" + NEWLINE +
                "  };" + NEWLINE +
                "  socket.onopen = function(event) {" + NEWLINE +
                "    var ta = document.getElementById('responseText');" + NEWLINE +
                "    ta.value = \"Web Socket opened!\";" + NEWLINE +
                "  };" + NEWLINE +
                "  socket.onclose = function(event) {" + NEWLINE +
                "    var ta = document.getElementById('responseText');" + NEWLINE +
                "    ta.value = ta.value + \"Web Socket closed\"; " + NEWLINE +
                "  };" + NEWLINE +
                "} else {" + NEWLINE +
                "  alert(\"Your browser does not support Web Socket.\");" + NEWLINE +
                '}' + NEWLINE +
                NEWLINE +
                "function send(message) {" + NEWLINE +
                "  if (!window.WebSocket) { return; }" + NEWLINE +
                "  if (socket.readyState == WebSocket.OPEN) {" + NEWLINE +
                "    socket.send(message);" + NEWLINE +
                "  } else {" + NEWLINE +
                "    alert(\"The socket is not open.\");" + NEWLINE +
                "  }" + NEWLINE +
                '}' + NEWLINE +
                "</script>" + NEWLINE +
                "<form onsubmit=\"return false;\">" + NEWLINE +
                "<input type=\"text\" name=\"message\" value=\"Hello, World!\"/>" +
                "<input type=\"button\" value=\"Send Web Socket Data\"" + NEWLINE +
                "       onclick=\"send(this.form.message.value)\" />" + NEWLINE +
                "<h3>Output</h3>" + NEWLINE +
                "<textarea id=\"responseText\" style=\"width:500px;height:300px;\"></textarea>" + NEWLINE +
                "</form>" + NEWLINE +
                "</body>" + NEWLINE +
                "</html>" + NEWLINE, CharsetUtil.US_ASCII);
    }

    private WebSocketServerIndexPage() {
        // Unused
    }
}

Defined In

Source

Frequently Asked Questions

What is the WebSocketServerIndexPage class?
WebSocketServerIndexPage is a class in the netty codebase, defined in example/src/main/java/io/netty/example/http/websocketx/server/WebSocketServerIndexPage.java.
Where is WebSocketServerIndexPage defined?
WebSocketServerIndexPage is defined in example/src/main/java/io/netty/example/http/websocketx/server/WebSocketServerIndexPage.java at line 25.

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