/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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package de.uhilger.mediaz.api;
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import com.google.gson.Gson;
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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.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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/**
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*
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* @author ulrich
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*/
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public abstract class AbstractHandler extends JsonHelper implements HttpHandler {
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private static final Logger logger = Logger.getLogger(AbstractHandler.class.getName());
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/** Name der HTTP Methode GET */
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public static final String HTTP_GET = "GET";
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/** Name der HTTP Methode PUT */
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public static final String HTTP_PUT = "PUT";
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/** Name der HTTP Methode POST */
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public static final String HTTP_POST = "POST";
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/** Name der HTTP Methode DELETE */
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public static final String HTTP_DELETE = "DELETE";
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@Override
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public void handle(HttpExchange e) throws IOException {
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String method = e.getRequestMethod();
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String response = "";
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int code = 200;
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switch(method) {
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case HTTP_GET:
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String json = get(e);
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if(json != null) {
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response = json;
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} else {
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response = "nicht gefunden";
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code = 404;
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}
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break;
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case HTTP_PUT:
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response = put(e);
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break;
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case HTTP_POST:
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response = post(e);
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code = 404;
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break;
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case HTTP_DELETE:
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boolean geloescht = delete(e);
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if(geloescht) {
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response = "geloescht";
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} else {
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response = "nicht geloescht";
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}
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break;
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}
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logger.fine(response);
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e.sendResponseHeaders(code, response.length());
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OutputStream os = e.getResponseBody();
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os.write(response.getBytes());
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os.close();
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}
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protected String bodyLesen(HttpExchange e) throws IOException {
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InputStream is = e.getRequestBody();
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BufferedReader r = new BufferedReader(new InputStreamReader(is));
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StringBuilder sb = new StringBuilder();
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String line = r.readLine();
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while(line != null) {
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sb.append(line);
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line = r.readLine();
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}
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r.close();
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String json = sb.toString();
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logger.log(Level.FINE, "json: {0}", json);
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return json;
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}
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protected abstract String get(HttpExchange e);
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protected abstract String put(HttpExchange e) throws IOException;
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protected abstract String post(HttpExchange e);
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protected abstract boolean delete(HttpExchange e);
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}
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