| // |
| // ======================================================================== |
| // Copyright (c) 1995-2017 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.PathMap; |
| |
| /** |
| * Abstract rule that use a {@link PathMap} for pattern matching. It uses the |
| * servlet pattern syntax. |
| */ |
| public abstract class PatternRule extends Rule |
| { |
| protected String _pattern; |
| |
| /* ------------------------------------------------------------ */ |
| protected PatternRule() |
| { |
| } |
| |
| /* ------------------------------------------------------------ */ |
| protected PatternRule(String pattern) |
| { |
| this(); |
| setPattern(pattern); |
| } |
| |
| /* ------------------------------------------------------------ */ |
| public String getPattern() |
| { |
| return _pattern; |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /** |
| * Sets the rule pattern. |
| * |
| * @param pattern the pattern |
| */ |
| public void setPattern(String pattern) |
| { |
| _pattern = pattern; |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /* (non-Javadoc) |
| * @see org.eclipse.jetty.server.server.handler.rules.RuleBase#matchAndApply(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) |
| */ |
| @Override |
| public String matchAndApply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException |
| { |
| if (PathMap.match(_pattern, target)) |
| { |
| return apply(target,request, response); |
| } |
| return null; |
| } |
| |
| /* ------------------------------------------------------------ */ |
| /** Apply the rule to the request |
| * @param target field to attempt match |
| * @param request request object |
| * @param response response object |
| * @return The target (possible updated) |
| * @throws IOException exceptions dealing with operating on request or response objects |
| */ |
| protected abstract String apply(String target, HttpServletRequest request, HttpServletResponse response) throws IOException; |
| |
| /** |
| * Returns the rule pattern. |
| */ |
| @Override |
| public String toString() |
| { |
| return super.toString()+"["+_pattern+"]"; |
| } |
| } |