/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.modeshape.webdav;
import java.io.File;
import java.lang.reflect.Constructor;
import javax.servlet.ServletException;
import org.modeshape.webdav.exceptions.WebdavException;
/**
* Servlet which provides support for WebDAV level 2. the original class is org.apache.catalina.servlets.WebdavServlet by Remy
* Maucherat, which was heavily changed
*
* @author Remy Maucherat
*/
public class WebdavServlet extends WebDavServletBean {
private static final long serialVersionUID = 1L;
private static final String ROOTPATH_PARAMETER = "rootpath";
@Override
public void init() throws ServletException {
// Parameters from web.xml
String clazzName = getServletConfig().getInitParameter("ResourceHandlerImplementation");
if (clazzName == null || clazzName.equals("")) {
clazzName = LocalFileSystemStore.class.getName();
}
File root = getFileRoot();
IWebdavStore webdavStore = constructStore(clazzName, root);
boolean lazyFolderCreationOnPut = getInitParameter("lazyFolderCreationOnPut") != null
&& getInitParameter("lazyFolderCreationOnPut").equals("1");
String dftIndexFile = getInitParameter("default-index-file");
String insteadOf404 = getInitParameter("instead-of-404");
int noContentLengthHeader = getIntInitParameter("no-content-length-headers");
super.init(webdavStore, dftIndexFile, insteadOf404, noContentLengthHeader, lazyFolderCreationOnPut);
}
private int getIntInitParameter( String key ) {
return getInitParameter(key) == null ? -1 : Integer.parseInt(getInitParameter(key));
}
protected IWebdavStore constructStore( String clazzName,
File root ) {
IWebdavStore webdavStore;
try {
Class<?> clazz = WebdavServlet.class.getClassLoader().loadClass(clazzName);
Constructor<?> ctor = clazz.getConstructor(new Class[] {File.class});
webdavStore = (IWebdavStore)ctor.newInstance(root);
} catch (Exception e) {
throw new RuntimeException("some problem making store component", e);
}
return webdavStore;
}
private File getFileRoot() {
String rootPath = getInitParameter(ROOTPATH_PARAMETER);
if (rootPath == null) {
throw new WebdavException("missing parameter: " + ROOTPATH_PARAMETER);
}
if (rootPath.equals("*WAR-FILE-ROOT*")) {
String file = LocalFileSystemStore.class.getProtectionDomain().getCodeSource().getLocation().getFile().replace('\\',
'/');
if (file.charAt(0) == '/' && System.getProperty("os.name").contains("Windows")) {
file = file.substring(1, file.length());
}
int ix = file.indexOf("/WEB-INF/");
if (ix != -1) {
rootPath = file.substring(0, ix).replace('/', File.separatorChar);
} else {
throw new WebdavException("Could not determine root of war file. Can't extract from path '" + file
+ "' for this web container");
}
}
return new File(rootPath);
}
}