/*
* Copyright © 2008, 2012 Pedro Agulló Soliveres.
*
* This file is part of DirectJNgine.
*
* DirectJNgine is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License.
*
* Commercial use is permitted to the extent that the code/component(s)
* do NOT become part of another Open Source or Commercially developed
* licensed development library or toolkit without explicit permission.
*
* DirectJNgine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DirectJNgine. If not, see <http://www.gnu.org/licenses/>.
*
* This software uses the ExtJs library (http://extjs.com), which is
* distributed under the GPL v3 license (see http://extjs.com/license).
*/
package com.softwarementors.extjs.djn.router;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.Writer;
import java.util.List;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.log4j.Logger;
import com.softwarementors.extjs.djn.api.Registry;
import com.softwarementors.extjs.djn.config.GlobalConfiguration;
import com.softwarementors.extjs.djn.router.dispatcher.Dispatcher;
import com.softwarementors.extjs.djn.router.processor.RequestException;
import com.softwarementors.extjs.djn.router.processor.poll.PollRequestProcessor;
import com.softwarementors.extjs.djn.router.processor.standard.form.simple.SimpleFormPostRequestProcessor;
import com.softwarementors.extjs.djn.router.processor.standard.form.upload.UploadFormPostRequestProcessor;
import com.softwarementors.extjs.djn.router.processor.standard.json.JsonRequestProcessor;
import edu.umd.cs.findbugs.annotations.NonNull;
public class RequestRouter {
@NonNull
static final Logger logger = Logger.getLogger( RequestRouter.class );
private @NonNull Registry registry;
private @NonNull Dispatcher dispatcher;
private @NonNull GlobalConfiguration globalConfiguration;
public RequestRouter( Registry registry, GlobalConfiguration globalConfiguration, Dispatcher dispatcher ) {
assert registry != null;
assert globalConfiguration != null;
assert dispatcher != null;
this.registry = registry;
this.dispatcher = dispatcher;
this.globalConfiguration = globalConfiguration;
}
public void processSimpleFormPostRequest(Reader reader, Writer writer) throws IOException {
new SimpleFormPostRequestProcessor( this.registry, this.dispatcher, this.globalConfiguration).process( reader, writer );
}
public UploadFormPostRequestProcessor createUploadFromProcessor() {
return new UploadFormPostRequestProcessor( this.registry, this.dispatcher, this.globalConfiguration);
}
public void processUploadFormPostRequest(UploadFormPostRequestProcessor processor, List<FileItem> fileItems, Writer writer ) throws IOException {
assert processor != null;
processor.process( fileItems, writer );
}
public void processJsonRequest(Reader reader, Writer writer) throws IOException {
new JsonRequestProcessor(this.registry, this.dispatcher, this.globalConfiguration).process(reader, writer);
}
public void processPollRequest(Reader reader, Writer writer, String pathInfo) throws IOException {
new PollRequestProcessor(this.registry, this.dispatcher, this.globalConfiguration).process(reader, writer, pathInfo);
}
public void handleFileUploadException(UploadFormPostRequestProcessor processor, FileUploadException e) {
assert e != null;
processor.handleFileUploadException(e);
}
public static final String SOURCE_NAME_PREFIX= "/src";
public void processSourceRequest(BufferedReader reader, PrintWriter writer, String pathInfo) {
assert reader != null;
assert writer != null;
assert pathInfo != null;
int lastIndex = pathInfo.lastIndexOf(SOURCE_NAME_PREFIX);
int position = lastIndex + SOURCE_NAME_PREFIX.length();
String sourceName = pathInfo.substring(position + 1);
if( !this.registry.hasSource(sourceName)) {
RequestException ex = RequestException.forSourceNotFound(sourceName);
logger.error(sourceName);
throw ex;
}
String code = this.registry.getSource(sourceName);
assert code != null;
writer.append( code );
}
public static boolean isSourceRequest(String pathInfo) {
assert pathInfo != null;
int lastIndex = pathInfo.lastIndexOf(SOURCE_NAME_PREFIX);
boolean isSource = lastIndex >= 0;
return isSource;
}
}