1 /* 2 * Copyright 1999-2002,2004 The Apache Software Foundation. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package org.apache.commons.latka.validators; 18 19 import org.apache.commons.latka.Validator; 20 import org.apache.commons.latka.ValidationException; 21 22 import org.apache.commons.latka.http.Response; 23 24 import org.apache.log4j.Category; 25 26 /** 27 * @author Rodney Waldhoff 28 * @author dIon Gillard 29 * @version $Id: BaseValidator.java 155424 2005-02-26 13:09:29Z dirkv $ 30 */ 31 public abstract class BaseValidator implements Validator { 32 // ----------------------------------------------------- Instance Variables 33 34 /** log4j category for debug output */ 35 protected final Category _log = Category.getInstance(BaseValidator.class); 36 37 // ------------------------------------------------------- Abstract Methods 38 /** 39 * Validate a response 40 * 41 * @param response the response to validate 42 * @throws ValidationException 43 */ 44 public abstract void validate(Response response) throws ValidationException; 45 46 protected String _label = null; 47 48 // ----------------------------------------------------------- Constructors 49 50 public BaseValidator() { 51 this(null); 52 } 53 54 public BaseValidator(String label) { 55 _label = label; 56 } 57 58 // ---------------------------------------------------------------- Methods 59 60 public void setLabel(String label) { 61 _label = label; 62 } 63 64 public String getLabel() { 65 return _label; 66 } 67 68 protected void fail(String reason) throws ValidationException { 69 throw new ValidationException(getLabel(),reason); 70 } 71 72 }