//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//
package javax.servlet.http;
import java.io.IOException;
import java.lang.reflect.Method;
import java.text.MessageFormat;
import java.util.Enumeration;
import java.util.ResourceBundle;
import javax.servlet.GenericServlet;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public abstract class HttpServlet extends GenericServlet {
private static final long serialVersionUID = 8466325577512134784L;
private static final String METHOD_DELETE = "DELETE";
private static final String METHOD_HEAD = "HEAD";
private static final String METHOD_GET = "GET";
private static final String METHOD_OPTIONS = "OPTIONS";
private static final String METHOD_POST = "POST";
private static final String METHOD_PUT = "PUT";
private static final String METHOD_TRACE = "TRACE";
private static final String HEADER_IFMODSINCE = "If-Modified-Since";
private static final String HEADER_LASTMOD = "Last-Modified";
private static final String LSTRING_FILE = "javax.servlet.http.LocalStrings";
private static ResourceBundle lStrings = ResourceBundle.getBundle("javax.servlet.http.LocalStrings");
public HttpServlet() {
}
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String protocol = req.getProtocol();
String msg = lStrings.getString("http.method_get_not_supported");
resp.sendError(this.getMethodNotSupportedCode(protocol), msg);
}
protected long getLastModified(HttpServletRequest req) {
return -1L;
}
protected void doHead(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
NoBodyResponse response = new NoBodyResponse(resp);
this.doGet(req, response);
response.setContentLength();
}
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String protocol = req.getProtocol();
String msg = lStrings.getString("http.method_post_not_supported");
resp.sendError(this.getMethodNotSupportedCode(protocol), msg);
}
protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String protocol = req.getProtocol();
String msg = lStrings.getString("http.method_put_not_supported");
resp.sendError(this.getMethodNotSupportedCode(protocol), msg);
}
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String protocol = req.getProtocol();
String msg = lStrings.getString("http.method_delete_not_supported");
resp.sendError(this.getMethodNotSupportedCode(protocol), msg);
}
private int getMethodNotSupportedCode(String protocol) throws IOException {
byte var3 = -1;
switch(protocol.hashCode()) {
case 649368564:
if (protocol.equals("HTTP/0.9")) {
var3 = 0;
}
break;
case 649369516:
if (protocol.equals("HTTP/1.0")) {
var3 = 1;
}
}
switch(var3) {
case 0:
case 1:
return 400;
default:
return 405;
}
}
private Method[] getAllDeclaredMethods(Class<? extends HttpServlet> c) {
Class<?> clazz = c;
Method[] allMethods;
for(allMethods = null; !clazz.equals(HttpServlet.class); clazz = clazz.getSuperclass()) {
Method[] thisMethods = clazz.getDeclaredMethods();
if (allMethods != null && allMethods.length > 0) {
Method[] subClassMethods = allMethods;
allMethods = new Method[thisMethods.length + allMethods.length];
System.arraycopy(thisMethods, 0, allMethods, 0, thisMethods.length);
System.arraycopy(subClassMethods, 0, allMethods, thisMethods.length, subClassMethods.length);
} else {
allMethods = thisMethods;
}
}
return allMethods != null ? allMethods : new Method[0];
}
protected void doOptions(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
Method[] methods = this.getAllDeclaredMethods(this.getClass());
boolean ALLOW_GET = false;
boolean ALLOW_HEAD = false;
boolean ALLOW_POST = false;
boolean ALLOW_PUT = false;
boolean ALLOW_DELETE = false;
boolean ALLOW_TRACE = true;
boolean ALLOW_OPTIONS = true;
for(int i = 0; i < methods.length; ++i) {
String methodName = methods[i].getName();
if (methodName.equals("doGet")) {
ALLOW_GET = true;
ALLOW_HEAD = true;
} else if (methodName.equals("doPost")) {
ALLOW_POST = true;
} else if (methodName.equals("doPut")) {
ALLOW_PUT = true;
} else if (methodName.equals("doDelete")) {
ALLOW_DELETE = true;
}
}
StringBuilder allow = new StringBuilder();
if (ALLOW_GET) {
allow.append("GET");
}
if (ALLOW_HEAD) {
if (allow.length() > 0) {
allow.append(", ");
}
allow.append("HEAD");
}
if (ALLOW_POST) {
if (allow.length() > 0) {
allow.append(", ");
}
allow.append("POST");
}
if (ALLOW_PUT) {
if (allow.length() > 0) {
allow.append(", ");
}
allow.append("PUT");
}
if (ALLOW_DELETE) {
if (allow.length() > 0) {
allow.append(", ");
}
allow.append("DELETE");
}
if (ALLOW_TRACE) {
if (allow.length() > 0) {
allow.append(", ");
}
allow.append("TRACE");
}
if (ALLOW_OPTIONS) {
if (allow.length() > 0) {
allow.append(", ");
}
allow.append("OPTIONS");
}
resp.setHeader("Allow", allow.toString());
}
protected void doTrace(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String CRLF = "\r\n";
StringBuilder buffer = (new StringBuilder("TRACE ")).append(req.getRequestURI()).append(" ").append(req.getProtocol());
Enumeration reqHeaderEnum = req.getHeaderNames();
while(reqHeaderEnum.hasMoreElements()) {
String headerName = (String)reqHeaderEnum.nextElement();
buffer.append(CRLF).append(headerName).append(": ").append(req.getHeader(headerName));
}
buffer.append(CRLF);
int responseLength = buffer.length();
resp.setContentType("message/http");
resp.setContentLength(responseLength);
ServletOutputStream out = resp.getOutputStream();
out.print(buffer.toString());
}
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String method = req.getMethod();
long lastModified;
if (method.equals("GET")) {
lastModified = this.getLastModified(req);
if (lastModified == -1L) {
this.doGet(req, resp);
} else {
long ifModifiedSince = req.getDateHeader("If-Modified-Since");
if (ifModifiedSince < lastModified) {
this.maybeSetLastModified(resp, lastModified);
this.doGet(req, resp);
} else {
resp.setStatus(304);
}
}
} else if (method.equals("HEAD")) {
lastModified = this.getLastModified(req);
this.maybeSetLastModified(resp, lastModified);
this.doHead(req, resp);
} else if (method.equals("POST")) {
this.doPost(req, resp);
} else if (method.equals("PUT")) {
this.doPut(req, resp);
} else if (method.equals("DELETE")) {
this.doDelete(req, resp);
} else if (method.equals("OPTIONS")) {
this.doOptions(req, resp);
} else if (method.equals("TRACE")) {
this.doTrace(req, resp);
} else {
String errMsg = lStrings.getString("http.method_not_implemented");
Object[] errArgs = new Object[]{method};
errMsg = MessageFormat.format(errMsg, errArgs);
resp.sendError(501, errMsg);
}
}
private void maybeSetLastModified(HttpServletResponse resp, long lastModified) {
if (!resp.containsHeader("Last-Modified")) {
if (lastModified >= 0L) {
resp.setDateHeader("Last-Modified", lastModified);
}
}
}
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
if (req instanceof HttpServletRequest && res instanceof HttpServletResponse) {
HttpServletRequest request = (HttpServletRequest)req;
HttpServletResponse response = (HttpServletResponse)res;
this.service(request, response);
} else {
throw new ServletException("non-HTTP request or response");
}
}
}
