/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.grizzly.tcp;
import com.sun.grizzly.util.buf.MessageBytes;
import com.sun.grizzly.util.buf.ByteChunk;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.Date;
import java.util.Locale;
import java.text.SimpleDateFormat;
import java.text.ParseException;
/**
* Abstract Adapter that contains all the common behaviour of the Adapter implementation
* for standalone usage as well as embedded use.
*
* @author Jerome Dochez
* @author Jean-Francois Arcand
* @deprecated - Use {@link GrizzlyAdapter} instead.
*/
abstract public class DynamicContentAdapter extends StaticResourcesAdapter {
private final static int MAX_POST_SIZE = 48 * 1024;
protected static final String RFC_2616_FORMAT = "EEE, d MMM yyyy HH:mm:ss z";
protected String contextRoot = null;
public DynamicContentAdapter() {
super();
}
public DynamicContentAdapter(String publicDirectory) {
super(publicDirectory);
}
abstract protected int getTokenID();
abstract protected void serviceDynamicContent(Request req, Response res) throws IOException;
@Override
public void afterService(Request req, Response res) throws Exception {
; // Let the Adapter handle the life cycle of the request/response.
}
private boolean modifiedSince(Request req, File file) {
try {
String since = req.getMimeHeaders().getHeader("If-Modified-Since");
if (since == null) {
return false;
}
Date date = new SimpleDateFormat(RFC_2616_FORMAT, Locale.US).parse(since);
if (date.getTime() > file.lastModified()) {
return true;
} else {
return false;
}
} catch (ParseException e) {
return false;
}
}
public void service(Request req, Response res) throws Exception {
MessageBytes mb = req.requestURI();
ByteChunk requestURI = mb.getByteChunk();
try{
String uri = requestURI.toString();
if (contextRoot!=null && requestURI.startsWith(contextRoot)) {
uri = uri.substring(contextRoot.length());
}
File file = new File(getRootFolder(),uri);
if (file.isDirectory()) {
uri += "index.html";
file = new File(file,uri);
}
if (file.canRead()) {
super.service(uri, req, res);
return;
} else {
serviceDynamicContent(req, res);
}
} catch (Exception e) {
if (logger.isLoggable(Level.SEVERE)) {
logger.log(Level.SEVERE, e.getMessage());
}
throw e;
}
}
/**
* Simple InputStream that wrap the Grizzly internal object.
*/
private class GrizzlyInputStream extends InputStream {
public RequestTupple rt;
public int read() throws IOException {
return rt.readChunk.substract();
}
public int read(byte[] b) throws IOException {
return read(b,0,b.length);
}
public int read(byte[] b, int off, int len) throws IOException {
return rt.readChunk.substract(b,off,len);
}
}
/**
* Statefull token used to share information with the Containers.
*/
public class RequestTupple implements ByteChunk.ByteInputChannel{
public ByteChunk readChunk;
public Request req;
public GrizzlyInputStream inputStream;
public RequestTupple(){
readChunk = new ByteChunk();
readChunk.setByteInputChannel(this);
readChunk.setBytes(new byte[MAX_POST_SIZE],0,MAX_POST_SIZE);
inputStream = new GrizzlyInputStream();
inputStream.rt = this;
}
public int realReadBytes(byte[] b, int off, int len) throws IOException {
req.doRead(readChunk);
return readChunk.substract(b,off,len);
}
public void recycle(){
req = null;
readChunk.recycle();
}
}
public void setContextRoot(String contextRoot) {
this.contextRoot = contextRoot;
}
public String getContextRoot() {
return contextRoot;
}
}