Tomcat: The Definitive Guide, 2nd Edition

Appendix D. BadInputFilter.java

This appendix gives the full source code to BadInputFilter.java, which we introduced and detailed in Chapter 6. You can download Appendix D from this book's web site at http://www.oreilly.com/catalog/9780596101060.

Example D-1. BadInputFilter.java

/* * $Revision$ * $Date$ * * Copyright (c) 2007 O'Reilly Media. All rights reserved. * * 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 com.oreilly.tomcat.filter; import java.io.IOException; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; import java.util.regex.PatternSyntaxException; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.http.HttpServletRequest; ...