/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
package org.apache.tomcat.protocol;
import java.net.URL;
import java.net.URLConnection;
import java.io.InputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipEntry;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.FileNameMap;
/**
*
* @author James Duncan Davidson [duncan@eng.sun.com]
* @author James Todd [gonzo@eng.sun.com]
*/
public class WARConnection
extends URLConnection {
private URL warURL = null;
private String path = null;
private byte[] buffer = null;
private long size = 0;
private long time = 0;
public WARConnection (URL url)
throws MalformedURLException {
super(url);
parseSpecs(url);
}
public void connect()
throws IOException {
// XXX
// create and cache hashtable of ZipFiles
// ZipFile.getEntry(String entry)
ZipInputStream zis = new ZipInputStream(warURL.openStream());
ZipEntry ze = null;
while ((ze = zis.getNextEntry()) != null) {
if (path.equals(ze.getName())) {
this.size = ze.getSize();
this.time = ze.getTime();
int bufferSize = 128;
byte[] buffer = new byte[bufferSize];
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int length = 0;
int totalLength = 0;
out:
while ((length = zis.read(buffer)) >= 0) {
baos.write(buffer, 0, length);
totalLength += length;
}
this.buffer = baos.toByteArray();
if (this.size < 0) {
this.size = totalLength;
}
break;
}
}
zis.close();
}
public InputStream getInputStream()
throws IOException {
if (! super.connected) {
connect();
}
if (this.buffer != null) {
return new ByteArrayInputStream(this.buffer);
} else {
String msg = "error";
throw new IOException(msg);
}
}
public String getContentType() {
// XXX
// hmmm .. what about the mimeTypes associated with
// this context
FileNameMap map = URLConnection.getFileNameMap();
String type = null;
// the following try/catch will guard against a
// bug in some versions of URLConnection.java
try {
// if there is a nameMapper, use it
type=map.getContentTypeFor(path);
} catch (NullPointerException e) {
// otherwise use a poor approximation which does the job
if (path!=null && path.length()>=1) {
String name=path.toLowerCase();
if (name.endsWith(".xml"))
type="application/xml";
else if (name.endsWith(".dtd"))
type="text/dtd";
else
type="application/unknown";
}
}
return type;
}
public int getContentLength() {
Long l = new Long(this.size);
return l.intValue();
}
public long getLastModified() {
return this.time;
}
private void parseSpecs(URL url)
throws MalformedURLException {
String spec = url.getFile();
if (spec.startsWith("/")) {
spec = spec.substring(1);
}
int separator = spec.indexOf('!');
if (separator == -1) {
String msg = "bad url: " + url;
throw new MalformedURLException(msg);
}
this.warURL = new URL(spec.substring(0, separator++));
if (++separator != spec.length()) {
this.path = spec.substring(separator, spec.length());
}
}
}