java.net.ContentHandler Java Examples

The following examples show how to use java.net.ContentHandler. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source Project: Bytecoder   Author: mirkosertic   File: MultimediaContentHandlers.java    License: Apache License 2.0 6 votes vote down vote up
@Override
public ContentHandler createContentHandler(String mimetype) {
    switch (mimetype) {
        case "audio/aiff":      return new aiff();
        case "audio/basic":     return new basic();
        case "audio/wav":       return new wav();
        case "audio/x-aiff":    return new x_aiff();
        case "audio/x-wav":     return new x_wav();
        case "image/gif":       return new gif();
        case "image/jpeg":      return new jpeg();
        case "image/png":       return new png();
        case "image/x-xbitmap": return new x_xbitmap();
        case "image/x-xpixmap": return new x_xpixmap();
        default:                return null;
    }
}
 
Example #2
Source Project: openjdk-jdk9   Author: AdoptOpenJDK   File: MultimediaContentHandlers.java    License: GNU General Public License v2.0 6 votes vote down vote up
@Override
public ContentHandler createContentHandler(String mimetype) {
    switch (mimetype) {
        case "audio/aiff":      return new aiff();
        case "audio/basic":     return new basic();
        case "audio/wav":       return new wav();
        case "audio/x-aiff":    return new x_aiff();
        case "audio/x-wav":     return new x_wav();
        case "image/gif":       return new gif();
        case "image/jpeg":      return new jpeg();
        case "image/png":       return new png();
        case "image/x-xbitmap": return new x_xbitmap();
        case "image/x-xpixmap": return new x_xpixmap();
        default:                return null;
    }
}
 
Example #3
Source Project: knopflerfish.org   Author: knopflerfish   File: ContentHandlerWrapper.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
private void updateBest() {
  try {
    @SuppressWarnings("unchecked")
    final
    ServiceReference<ContentHandler>[] refs
      = (ServiceReference<ContentHandler>[]) framework.systemBundle.bundleContext
        .getServiceReferences(ContentHandler.class.getName(), filter);
    if (refs != null) {
      best = refs[0];
      for (int i = 1; i < refs.length; i++) {
        if (compare(best, refs[i]) > 0) {
          best = refs[i];
        }
      }
    }
  } catch (final Exception e) {
    // TODO, handle differently!? this should not happen.
    throw new IllegalArgumentException("Could not register url handler: " + e);
  }
}
 
Example #4
Source Project: knopflerfish.org   Author: knopflerfish   File: ContentHandlerWrapper.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
private ContentHandler getService() {
  ContentHandler obj;

  try {
    if (best == null) {
      updateBest();
    }

    if (best == null) {
      throw new IllegalStateException("null: Lost service for protocol="+ mimetype);
    }

    obj = framework.systemBundle.bundleContext.getService(best);

    if (obj == null) {
      throw new IllegalStateException("null: Lost service for protocol=" + mimetype);
    }

  } catch (final Exception e) {
    throw new IllegalStateException("null: Lost service for protocol=" + mimetype);
  }

  return obj;
}
 
Example #5
Source Project: knopflerfish.org   Author: knopflerfish   File: ContentHandlerWrapper.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
@Override
public String toString() {
  final StringBuffer sb = new StringBuffer();

  sb.append("ContentHandlerWrapper[");

  final ServiceReference<ContentHandler> ref = best;
  sb.append("mimetype=" + mimetype);
  if(ref != null) {
    sb.append(", id=" + ref.getProperty(Constants.SERVICE_ID));
    sb.append(", rank=" + ref.getProperty(Constants.SERVICE_RANKING));
  } else {
    sb.append(" no service tracked");
  }

  sb.append("]");

  return sb.toString();
}
 
Example #6
Source Project: knopflerfish.org   Author: knopflerfish   File: ServiceContentHandlerFactory.java    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
ContentHandler getServiceHandler(String mimetype) {
  try {
    final String filter = "(" + URLConstants.URL_CONTENT_MIMETYPE + "=" + mimetype + ")";
    //TODO true or false?
    @SuppressWarnings("unchecked")
    final ServiceReference<ContentHandler>[] srl
      = (ServiceReference<ContentHandler>[])
      framework.services.get(ContentHandler.class.getName(), filter, framework.systemBundle, false);

    if (srl != null && srl.length > 0) {
      ContentHandlerWrapper wrapper = wrapMap.get(mimetype);

      if (wrapper == null) {
        wrapper = new ContentHandlerWrapper(framework, mimetype);
        wrapMap.put(mimetype, wrapper);
      }
      return wrapper;
    }
  } catch (final InvalidSyntaxException e) {
    throw new RuntimeException("Failed to get service: " + e);
  }

  return null;
}
 
Example #7
Source Project: android-vlc-remote   Author: samicemalone   File: MediaServer.java    License: GNU General Public License v3.0 6 votes vote down vote up
@SuppressWarnings("unchecked")
protected final <T> T read(ContentHandler handler) throws IOException {
    String spec = mUri.toString();
    URL url = new URL(spec);
    HttpURLConnection http = (HttpURLConnection) url.openConnection();
    http.setConnectTimeout(TIMEOUT);
    try {
        String usernamePassword = mUri.getUserInfo();
        if (usernamePassword != null) {
            Header authorization = BasicScheme.authenticate(
                    new UsernamePasswordCredentials(usernamePassword), HTTP.UTF_8, false);
            http.setRequestProperty(authorization.getName(), authorization.getValue());
        }
        return (T) handler.getContent(http);
    } finally {
        http.disconnect();
    }
}
 
Example #8
Source Project: knopflerfish.org   Author: knopflerfish   File: ServiceContentHandlerFactory.java    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
public ContentHandler createContentHandler(String mimetype) {

    if(framework.debug.url) {
      framework.debug.println("createContentHandler protocol=" + mimetype);
    }

    ContentHandler handler = getJVMClassPathHandler(mimetype);

    if(handler != null) {
      if(framework.debug.url) {
	framework.debug.println("using JVMClassPath handler for " + mimetype);
      }
      return handler;
    }


    handler = getServiceHandler(mimetype);

    if(handler != null) {
      if(framework.debug.url) {
	framework.debug.println("Using service ContentHandler for " + mimetype
                                + ", handler=" + handler);
      }
      return handler;
    }

    if(framework.debug.url) {
      framework.debug.println("Using default ContentHandler for " + mimetype);
    }

    // delegate to system handler
    return null;
  }
 
Example #9
Source Project: knopflerfish.org   Author: knopflerfish   File: ServiceContentHandlerFactory.java    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
ContentHandler getJVMClassPathHandler(String mimetype) {
  if (jvmPkgs != null) {
    for (final String jvmPkg : jvmPkgs) {
      final String converted = convertMimetype(mimetype);

      final String className = jvmPkg + "." + converted + ".Handler";
      try {
        if(framework.debug.url) {
          framework.debug.println("JVMClassPathCH - trying ContentHandler class="
                                  + className);
        }
        final Class<?> clazz = Class.forName(className);
        final ContentHandler handler = (ContentHandler)clazz.newInstance();

        if(framework.debug.url) {
          framework.debug.println("JVMClassPathCH - created ContentHandler class="
                                  + className);
        }

        return handler;
      } catch (final Throwable t) {
        if(framework.debug.url) {
          framework.debug.println("JVMClassPathCH - no ContentHandler class " + className);
        }
      }
    }
  }

  if(framework.debug.url) {
    framework.debug.println("JVMClassPath - no ContentHandler for " + mimetype);
  }

  return null;
}
 
Example #10
Source Project: android-vlc-remote   Author: samicemalone   File: XmlContentHandler.java    License: GNU General Public License v3.0 5 votes vote down vote up
protected final void parse(URLConnection connection, org.xml.sax.ContentHandler handler)
        throws IOException {
    InputStream input = connection.getInputStream();
    try {
        // The server sends UTF-8 instead of the HTTP default (ISO-8859-1).
        Xml.Encoding encoding = Xml.Encoding.UTF_8;
        Xml.parse(input, encoding, handler);
    } catch (Exception e) {
        throw new IOException(ERROR_INVALID_XML, e);
    } finally {
        input.close();
    }
}
 
Example #11
Source Project: android-vlc-remote   Author: samicemalone   File: MediaServer.java    License: GNU General Public License v3.0 5 votes vote down vote up
@SuppressWarnings("unchecked")
protected final <T> Remote<T> load(ContentHandler handler) {
    String spec = mUri.toString();
    try {
        T data = (T) read(handler);
        return Remote.data(data);
    } catch (Throwable t) {
        Log.e(TAG, "Unable to load: " + spec, t);
        return Remote.error(t);
    }
}
 
Example #12
Source Project: knopflerfish.org   Author: knopflerfish   File: ContentHandlerWrapper.java    License: BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up
ContentHandlerWrapper(FrameworkContext       framework,
	String                 mimetype) {

  this.framework = framework;
  this.mimetype  = mimetype;

  filter =
    "(&" +
    "(" + Constants.OBJECTCLASS + "=" +
    ContentHandler.class.getName() + ")" +
    "(" + URLConstants.URL_CONTENT_MIMETYPE + "=" + mimetype +
    ")" +
    ")";

  final ServiceListener serviceListener =
    new ServiceListener() {
      public void serviceChanged(ServiceEvent evt) {
        @SuppressWarnings("unchecked")
        final
        ServiceReference<ContentHandler> ref =
            (ServiceReference<ContentHandler>) evt.getServiceReference();

        switch (evt.getType()) {
        case ServiceEvent.MODIFIED:
          // fall through
        case ServiceEvent.REGISTERED:
          if (best == null) {
            updateBest();
            return ;
          }

          if (compare(best, ref) > 0) {
            best = ref;
          }
          break;
        case ServiceEvent.MODIFIED_ENDMATCH:
          // fall through
        case ServiceEvent.UNREGISTERING:
          if (best.equals(ref)) {
            best = null;
          }
        }
      }
    };

  try {
    framework.systemBundle.bundleContext.addServiceListener(serviceListener, filter);

  } catch (final Exception e) {
    throw new IllegalArgumentException("Could not register service listener for content handler: " + e);
  }

  if (framework.debug.url) {
    framework.debug.println("created wrapper for " + mimetype + ", filter=" + filter);
  }
}
 
Example #13
Source Project: sana.mobile   Author: SanaMobile   File: URLHandler.java    License: BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up
@Override
public ContentHandler createContentHandler(String mimetype) {

    return null;
}