| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.rewrite.handler; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.eclipse.jetty.http.HttpStatus; |
| |
| /** |
| * Issues a (3xx) Redirect response whenever the rule finds a match. |
| * <p> |
| * All redirects are part of the <a href="http://tools.ietf.org/html/rfc7231#section-6.4"><code>3xx Redirection</code> status code set</a>. |
| * <p> |
| * Defaults to <a href="http://tools.ietf.org/html/rfc7231#section-6.4.3"><code>302 Found</code></a> |
| */ |
| public class RedirectPatternRule extends PatternRule |
| { |
| private String _location; |
| private int _statusCode = HttpStatus.FOUND_302; |
| |
| public RedirectPatternRule() |
| { |
| _handling = true; |
| _terminating = true; |
| } |
| |
| /** |
| * Sets the redirect location. |
| * |
| * @param value the location to redirect. |
| */ |
| public void setLocation(String value) |
| { |
| _location = value; |
| } |
| |
| /** |
| * Sets the redirect status code. |
| * |
| * @param statusCode the 3xx redirect status code |
| */ |
| public void setStatusCode(int statusCode) |
| { |
| if ((300 <= statusCode) || (statusCode >= 399)) |
| { |
| _statusCode = statusCode; |
| } |
| else |
| { |
| throw new IllegalArgumentException("Invalid redirect status code " + statusCode + " (must be a value between 300 and 399)"); |
| } |
| } |
| |
| @Override |
| public String apply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException |
| { |
| String location = response.encodeRedirectURL(_location); |
| response.setHeader("Location",RedirectUtil.toRedirectURL(request,location)); |
| response.setStatus(_statusCode); |
| response.getOutputStream().flush(); // no output / content |
| response.getOutputStream().close(); |
| return target; |
| } |
| |
| /** |
| * Returns the redirect status code and location. |
| */ |
| @Override |
| public String toString() |
| { |
| StringBuilder str = new StringBuilder(); |
| str.append(super.toString()); |
| str.append('[').append(_statusCode); |
| str.append('>').append(_location); |
| str.append(']'); |
| return str.toString(); |
| } |
| } |