#257849: xhr4j module uses java.net package to handle @OnReceive requests to workaround CORS limitations
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43 package org.netbeans.html.xhr4j;
45 import java.io.IOException;
46 import java.io.InputStream;
47 import net.java.html.json.OnReceive;
48 import org.netbeans.html.context.spi.Contexts;
49 import org.netbeans.html.json.spi.JSONCall;
50 import org.netbeans.html.json.spi.Transfer;
51 import org.openide.util.lookup.ServiceProvider;
53 /** Implementation module with support for XHR via Java.
54 * Handles {@link OnReceive} requests by using Java to connect to given
55 * URL and then parsing it via JavaScript. Use this module if you have
56 * problems with CORS - as the Java connection isn't restricted by CORS
59 * Registers {@link Transfer} technology at position <code>50</code>.
60 * The {@link Contexts.Id} of the technology is <b>xhr4j</b>.
62 * @author Jaroslav Tulach
66 @ServiceProvider(service = Contexts.Provider.class)
67 public final class XmlHttpResourceContext
68 implements Contexts.Provider, Transfer {
70 public void fillContext(Contexts.Builder context, Class<?> requestor) {
71 context.register(Transfer.class, this, 50);
75 public void extract(Object obj, String[] props, Object[] values) {
76 LoadJSON.extractJSON(obj, props, values);
80 public Object toJSON(InputStream is) throws IOException {
81 return LoadJSON.parse(LoadJSON.readStream(is));
85 public void loadJSON(JSONCall call) {
86 LoadJSON.loadJSON(call);