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Milton Community Edition: Supports DAV level 1 and is available on Apache2 license
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 io.milton.servlet;
import io.milton.common.ContentTypeUtils;
import io.milton.http.Auth;
import io.milton.http.HttpManager;
import io.milton.http.LockToken;
import io.milton.http.Range;
import io.milton.http.Request;
import io.milton.http.Response;
import io.milton.resource.GetableResource;
import io.milton.resource.Resource;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.Date;
import java.util.Locale;
import java.util.Map;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletOutputStream;
import jakarta.servlet.WriteListener;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
/**
* Used to provide access to servlet resources via milton. This just wraps the
* normal processing of the resource in a milton compatible interface
*
*
* @author brad
*/
public class ServletResource implements GetableResource {
private final String localPath;
private final File file;
private final String name;
private final HttpServletRequest req;
private final HttpServletResponse response;
public ServletResource(File file, String localPath, HttpServletRequest req, HttpServletResponse response) {
this.file = file;
this.name = file.getName();
this.localPath = localPath;
this.req = req;
this.response = response;
}
public ServletResource(String localPath, HttpServletRequest req, HttpServletResponse response) {
this.file = null;
this.name = localPath.substring(localPath.lastIndexOf("/"));
this.localPath = localPath;
this.req = req;
this.response = response;
}
@Override
public String getUniqueId() {
return null;
}
public int compareTo(Resource res) {
return this.getName().compareTo(res.getName());
}
@Override
public void sendContent(OutputStream out, Range range, Map params, String contentType) throws IOException {
try {
MyResponse myResponse = new MyResponse(HttpManager.response(), out);
req.getRequestDispatcher(localPath).include(req, myResponse);
} catch (ServletException ex) {
throw new RuntimeException(ex);
}
}
@Override
public String getName() {
return name;
}
@Override
public Object authenticate(String user, String password) {
return "ok";
}
@Override
public boolean authorise(Request request, Request.Method method, Auth auth) {
return true;
}
@Override
public String getRealm() {
return "ettrema"; //TODO
}
@Override
public Date getModifiedDate() {
if (file != null) {
return new Date(file.lastModified());
} else {
return null;
}
}
@Override
public Long getContentLength() {
return null;
}
@Override
public String getContentType(String preferredList) {
if (file != null) {
return ContentTypeUtils.findContentTypes(file);
} else {
return ContentTypeUtils.findContentTypes(name);
}
}
@Override
public String checkRedirect(Request request) {
return null;
}
@Override
public Long getMaxAgeSeconds(Auth auth) {
return 315360000l;
}
public LockToken getLockToken() {
return null;
}
private static class MyResponse extends ServletOutputStream implements HttpServletResponse {
private final Response response;
private final OutputStream out;
public MyResponse(Response response, OutputStream out) {
this.response = response;
this.out = out;
}
@Override
public void addCookie(Cookie cookie) {
response.setCookie(ServletRequest.toBeanCookie(cookie));
}
@Override
public boolean containsHeader(String name) {
return response.getHeaders().containsKey(name);
}
@Override
public String encodeURL(String url) {
return MiltonServlet.response().encodeURL(url);
}
@Override
public String encodeRedirectURL(String url) {
return MiltonServlet.response().encodeRedirectURL(url);
}
@Override
public void sendError(int sc, String msg) throws IOException {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void sendError(int sc) throws IOException {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void sendRedirect(String location) throws IOException {
MiltonServlet.response().sendRedirect(location);
}
@Override
public void setDateHeader(String name, long date) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void addDateHeader(String name, long date) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setHeader(String name, String value) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void addHeader(String name, String value) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setIntHeader(String name, int value) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void addIntHeader(String name, int value) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setStatus(int sc) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public int getStatus() {
return MiltonServlet.response().getStatus();
}
@Override
public String getHeader(String s) {
return MiltonServlet.response().getHeader(s);
}
@Override
public Collection getHeaders(String s) {
return MiltonServlet.response().getHeaders(s);
}
@Override
public Collection getHeaderNames() {
return MiltonServlet.response().getHeaderNames();
}
@Override
public String getCharacterEncoding() {
return MiltonServlet.response().getCharacterEncoding();
}
@Override
public ServletOutputStream getOutputStream() throws IOException {
return this;
}
@Override
public PrintWriter getWriter() throws IOException {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setContentLength(int len) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setContentLengthLong(long l) {
MiltonServlet.response().setContentLengthLong(l);
}
@Override
public void setContentType(String type) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setBufferSize(int size) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public int getBufferSize() {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void flushBuffer() throws IOException {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void resetBuffer() {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public boolean isCommitted() {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void reset() {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setLocale(Locale loc) {
MiltonServlet.response().setLocale(loc);
}
@Override
public Locale getLocale() {
return MiltonServlet.response().getLocale();
}
@Override
public void write(int b) throws IOException {
out.write(b);
}
@Override
public void write(byte[] b) throws IOException {
out.write(b);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
out.write(b, off, len);
}
@Override
public String getContentType() {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setCharacterEncoding(String charset) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public boolean isReady() {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
public void setWriteListener(WriteListener writeListener) {
}
}
}