holz holz@unicon-gmbh.de
101 lines
2.2 KiB
Java
101 lines
2.2 KiB
Java
/*
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*/
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package kebaagent;
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import com.sun.net.httpserver.Headers;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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*
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* @author holz
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*/
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class JsonHandler implements HttpHandler
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{
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private final KebaAgent agent;
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JsonHandler(KebaAgent agent)
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{
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this.agent = agent;
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}
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@Override
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public void handle(HttpExchange httpExchange) throws IOException
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{
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// nur GET
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if (!"GET".equals(httpExchange.getRequestMethod()))
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{
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return;
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}
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// Parameter ermitteln: path ist Teil hinter Domain: "/t/allowed?..."
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String uri = httpExchange.getRequestURI().toString();
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Map<String, String> params = getParams(uri);
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String callData = agent.getDataAsJson(params);
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// response
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OutputStream outputStream = httpExchange.getResponseBody();
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// StringBuilder sb = new StringBuilder();
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// sb
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// .append("<html>")
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// .append("<body>")
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// .append("<h1>")
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// .append("Hello ")
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// .append(callData)
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// .append("</h1>")
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// .append("</body>")
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// .append("</html>");
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try
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{
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// String htmlResponse = sb.toString();
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String htmlResponse = callData;
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// jaho: Header erweitern
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Headers responseHeaders = httpExchange.getResponseHeaders();
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responseHeaders.set("Content-Type", "application/json");
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// this line is a must (jaho: header senden)
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httpExchange.sendResponseHeaders(200, htmlResponse.length());
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outputStream.write(htmlResponse.getBytes());
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outputStream.flush();
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outputStream.close();
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}
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catch (Throwable e)
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{
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e.printStackTrace();
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}
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}
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private Map<String, String> getParams(String uri)
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{
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// split bei ?
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List<String> l = new ArrayList<>(List.of(uri.split("\\?")));
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final Map<String, String> paramsMap = new HashMap();
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l.removeFirst();
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l.forEach(xparam ->
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{
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// key/value extrahieren
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String[] split = xparam.split("=");
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String k = split[0];
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String v = split.length > 1 ? split[1] : "";
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paramsMap.put(k, v);
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});
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System.out.println("");
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return paramsMap;
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}
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}
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