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package com.sun.enterprise.web.connector.grizzly.standalone;
import com.sun.enterprise.web.connector.grizzly.Constants;
import com.sun.enterprise.web.connector.grizzly.FileCache;
import com.sun.enterprise.web.connector.grizzly.FileCacheFactory;
import com.sun.enterprise.web.connector.grizzly.SelectorThread;
import com.sun.enterprise.web.connector.grizzly.SocketChannelOutputBuffer;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
import java.nio.channels.SocketChannel;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Level;
import org.apache.coyote.ActionCode;
import org.apache.coyote.Adapter;
import org.apache.coyote.Request;
import org.apache.coyote.Response;
import org.apache.coyote.http11.InternalOutputBuffer;
import org.apache.tomcat.util.buf.Ascii;
import org.apache.tomcat.util.buf.ByteChunk;
import org.apache.tomcat.util.buf.MessageBytes;
import org.apache.tomcat.util.http.MimeHeaders;
/**
* Simple HTTP based Web Server. Part of this class is from Tomcat sandbox code
* from Costin Manolache.
*
* @author Jeanfrancois Arcand
*/
public class StaticResourcesAdapter implements Adapter {
static Properties contentTypes=new Properties();
static {
initContentTypes();
}
static void initContentTypes() {
contentTypes.put("html", "text/html");
contentTypes.put("txt", "text/plain");
}
private String rootFolder = ".";
private File rootFolderF;
private ConcurrentHashMap<String,File> cache
= new ConcurrentHashMap<String,File>();
public StaticResourcesAdapter() {
rootFolder = SelectorThread.getWebAppRootPath();
rootFolderF = new File(rootFolder);
try {
rootFolder = rootFolderF.getCanonicalPath();
SelectorThread.logger().log(Level.INFO, "Servicing page from: "
+ rootFolder);
} catch (IOException e) {
}
}
public void service(Request req, final Response res) throws Exception {
MessageBytes mb = req.requestURI();
ByteChunk requestURI = mb.getByteChunk();
String uri = req.requestURI().toString();
if (uri.indexOf("..") >= 0) {
res.setStatus(404);
return;
}
// local file
File resource = cache.get(uri);
if (resource == null){
resource = new File(rootFolderF, uri);
cache.put(uri,resource);
}
if (!resource.getCanonicalPath().startsWith(rootFolder)) {
res.setStatus(404);
return;
}
if (resource.isDirectory()) {
resource = new File(resource, "index.html");
cache.put(uri,resource);
}
if (!resource.exists()) {
SelectorThread.logger().log(Level.INFO,"File not found " + resource);
res.setStatus(404);
return;
}
res.setStatus(200);
int dot=uri.lastIndexOf(".");
if( dot > 0 ) {
String ext=uri.substring(dot+1);
String ct=getContentType(ext);
if( ct!=null) {
res.setContentType(ct);
}
}
res.setContentLength((int)resource.length());
res.sendHeaders();
/* Workaround Linux NIO bug
* 6427312: (fc) FileChannel.transferTo() throws IOException "system call interrupted"
* 5103988: (fc) FileChannel.transferTo should return -1 for EAGAIN instead throws IOException
* 6253145: (fc) FileChannel.transferTo on Linux fails when going beyond 2GB boundary
* 6470086: (fc) FileChannel.transferTo(2147483647, 1, channel) cause "Value too large" exception
*/
FileInputStream fis = new FileInputStream(resource);
byte b[] = new byte[8192];
ByteChunk chunk = new ByteChunk();
int rd = 0;
while ((rd = fis.read(b)) > 0) {
chunk.setBytes(b, 0, rd);
res.doWrite(chunk);
}
try{
req.action( ActionCode.ACTION_POST_REQUEST , null);
}catch (Throwable t) {
t.printStackTrace();
}
res.finish();
}
public String getContentType( String ext ) {
return contentTypes.getProperty( ext, "text/plain" );
}
public void afterService(Request req, Response res)
throws Exception {
// Recycle the wrapper request and response
req.recycle();
res.recycle();
}
public void fireAdapterEvent(String string, Object object) {
}
public String getRootFolder() {
return rootFolder;
}
} |