| /* |
| * Copyright 2000,2004 The Apache Software Foundation. |
| * |
| * 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 org.apache.webapp.balancer.rules; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| |
| /** |
| * This rule looks for a specific string |
| * in the URL for a positive match. |
| * |
| * @author Yoav Shapira |
| */ |
| public class URLStringMatchRule extends BaseRule { |
| /** |
| * The target string that must be present |
| * in the URL, may not be null. |
| */ |
| private String targetString; |
| |
| /** |
| * Sets the target string that must |
| * be present in the URL. |
| * |
| * @param theTargetString The target string |
| */ |
| public void setTargetString(String theTargetString) { |
| if (theTargetString == null) { |
| throw new IllegalArgumentException( |
| "The target string cannot be null."); |
| } else { |
| targetString = theTargetString; |
| } |
| } |
| |
| /** |
| * Returns the target string that must |
| * be present in the URL. |
| * |
| * @return The target string |
| */ |
| protected String getTargetString() { |
| return targetString; |
| } |
| |
| /** |
| * @see org.apache.webapp.balancer.Rule#matches(HttpServletRequest) |
| * |
| * Looks for the target string in the request URL. |
| */ |
| public boolean matches(HttpServletRequest request) { |
| String requestUrl = request.getRequestURL().toString(); |
| int index = requestUrl.indexOf(getTargetString()); |
| |
| return (index > -1); |
| } |
| |
| /** |
| * Returns a String representation of this object. |
| * |
| * @return String |
| */ |
| public String toString() { |
| StringBuffer buffer = new StringBuffer(); |
| |
| buffer.append("["); |
| buffer.append(getClass().getName()); |
| buffer.append(": "); |
| |
| buffer.append("Target string: "); |
| buffer.append(getTargetString()); |
| buffer.append(" / "); |
| |
| buffer.append("Redirect URL: "); |
| buffer.append(getRedirectUrl()); |
| |
| buffer.append("]"); |
| |
| return buffer.toString(); |
| } |
| } |
| |
| |
| // End of file: URLStringMatchRule.java |