62 lines
1.4 KiB
Java
62 lines
1.4 KiB
Java
package dev.peerat.backend.routes;
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import java.util.regex.Matcher;
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import dev.peerat.framework.Context;
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import dev.peerat.framework.HttpWriter;
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import dev.peerat.framework.Injection;
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import dev.peerat.framework.Locker;
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import dev.peerat.framework.Locker.Key;
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import dev.peerat.framework.Route;
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public class EventSSE{
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private Locker<GroupMessage> locker;
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public EventSSE(@Injection("groupMessages") Locker<GroupMessage> locker){
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this.locker = locker;
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}
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@Route(path = "^/group/event/([a-zA-Z0-9&|!?{}\\[\\]%/*\\-+=:;,_#@ ]{3,100})$")
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public void connect(Matcher matcher, Context context, HttpWriter writer) throws Exception {
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String group = matcher.group(1);
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context.response(200, "Content-Type: text/event-stream");
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Key key = new Key();
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locker.init(key);
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try {
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while(true){
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GroupMessage message = locker.getValue(key);
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if(message.getGroup() == null || message.getGroup().equals(group)){
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writer.write("data: "+message.getMessage()+"\n\n");
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writer.flush();
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}
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locker.lock(key);
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}
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}catch(Exception e){
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e.printStackTrace();
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}
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locker.remove(key);
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}
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public static class GroupMessage{
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private String group;
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private String message;
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public GroupMessage(String group, String message){
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this.group = group;
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this.message = message;
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}
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public String getGroup(){
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return this.group;
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}
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public String getMessage(){
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return this.message;
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}
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}
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}
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