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phrebejk@460
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/*
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* To change this template, choose Tools | Templates
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* and open the template in the editor.
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*/
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package org.apidesign.bck2brwsr.dew;
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import java.io.ByteArrayInputStream;
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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.List;
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import java.util.logging.Logger;
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import javax.tools.Diagnostic;
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import javax.tools.JavaFileObject;
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import org.glassfish.grizzly.http.Method;
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import org.glassfish.grizzly.http.server.HttpHandler;
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import org.glassfish.grizzly.http.server.Request;
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import org.glassfish.grizzly.http.server.Response;
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import org.glassfish.grizzly.http.util.HttpStatus;
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import org.json.JSONObject;
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import org.json.JSONTokener;
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/**
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*
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* @author phrebejk
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*/
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public class Dew extends HttpHandler {
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private String html = "<html><body>\n"
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+ " <button id='btn'>Hello!</button>\n"
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+ " <hr/>\n"
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+ "\n"
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+ "\n"
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+ "\n"
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+ " <script src=\"/bck2brwsr.js\"></script>\n"
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+ " <script type=\"text/javascript\">\n"
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+ " function ldCls(res) {\n"
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+ " var request = new XMLHttpRequest();\n"
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+ " request.open('GET', '/dew/classes/' + res, false);\n"
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+ " request.send();\n"
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+ " var arr = eval('(' + request.responseText + ')');\n"
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+ " return arr;\n"
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+ " }\n"
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+ " // var vm = new bck2brwsr(ldCls);\n"
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+ " // vm.loadClass('bck2brwsr.demo.Index');\n"
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+ " </script>\n"
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+ "</body></html>\n";
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private String java = "package bck2brwsr.demo;\n"
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+ "import org.apidesign.bck2brwsr.htmlpage.api.*;\n"
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+ "@Page(xhtml=\"index.html\", className=\"Index\")\n"
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+ "class X {\n"
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+ " @OnClick(id=\"btn\") static void clcs() {\n"
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+ " Index.BTN.setDisabled(true);\n"
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+ " }\n"
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+ "}\n";
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private Compile data;
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@Override
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public void service(Request request, Response response) throws Exception {
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if ( request.getMethod() == Method.POST ) {
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InputStream is = request.getInputStream();
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JSONTokener tok = new JSONTokener(new InputStreamReader(is));
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JSONObject obj = new JSONObject(tok);
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html = obj.getString("html");
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java = obj.getString("java");
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Compile res = Compile.create(html, java);
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List<Diagnostic<? extends JavaFileObject>> err = res.getErrors();
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if (err.isEmpty()) {
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data = res;
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response.getOutputStream().write("[]".getBytes());
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response.setStatus(HttpStatus.OK_200);
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} else {
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response.getOutputStream().write(("[errors:'" + err + "']").getBytes());
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response.setStatus(HttpStatus.PRECONDITION_FAILED_412);
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}
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return;
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}
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String r = request.getHttpHandlerPath();
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if (r == null || r.equals("/")) {
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r = "index.html";
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}
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if (r.equals("/result.html")) {
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response.setContentType("text/html");
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response.getOutputBuffer().write(html);
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response.setStatus(HttpStatus.OK_200);
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return;
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}
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if (r.startsWith("/")) {
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r = r.substring(1);
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}
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if (r.startsWith("classes/")) {
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if (data == null) {
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//data = Compile.create(html, java);
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}
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r = r.substring(8);
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byte[] is = data == null ? null : data.get(r);
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if (is == null) {
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is = new byte[0];
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}
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OutputStream os = response.getOutputStream();
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copyStream(new ByteArrayInputStream(is), os, request.getRequestURL().toString() );
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return;
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}
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if (r.endsWith(".html") || r.endsWith(".xhtml")) {
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response.setContentType("text/html");
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}
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OutputStream os = response.getOutputStream();
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try (InputStream is = Dew.class.getResourceAsStream(r) ) {
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copyStream(is, os, request.getRequestURL().toString() );
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} catch (IOException ex) {
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response.setDetailMessage(ex.getLocalizedMessage());
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response.setError();
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response.setStatus(404);
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}
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}
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private static final Logger LOG = Logger.getLogger(Dew.class.getName());
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static void copyStream(InputStream is, OutputStream os, String baseURL) throws IOException {
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for (;;) {
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int ch = is.read();
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if (ch == -1) {
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break;
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}
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os.write(ch);
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}
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}
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}
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