Author: ivaynberg Date: Tue Apr 24 11:33:00 2007 New Revision: 532035 URL: http://svn.apache.org/viewvc?view=rev&rev=532035 Log: simple compound validator impl
Added: incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/validation/CompoundValidator.java Added: incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/validation/CompoundValidator.java URL: http://svn.apache.org/viewvc/incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/validation/CompoundValidator.java?view=auto&rev=532035 ============================================================================== --- incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/validation/CompoundValidator.java (added) +++ incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/validation/CompoundValidator.java Tue Apr 24 11:33:00 2007 @@ -0,0 +1,70 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.wicket.validation; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +/** + * A compound [EMAIL PROTECTED] IValidator}. Once an error is reported against the + * [EMAIL PROTECTED] IValidatable} being checked, the rest of the validator chain is + * ignored. + * + * @author Igor Vaynberg (ivaynberg) + */ +public class CompoundValidator implements IValidator +{ + private static final long serialVersionUID = 1L; + + private List validators = new ArrayList(2); + + /** + * Constructor + */ + public CompoundValidator() + { + } + + /** + * Adds a validator to the chain of validators + * + * @param validator + * @return this for chaining + */ + public final CompoundValidator add(IValidator validator) + { + if (validator == null) + { + throw new IllegalArgumentException("Argument `validator` cannot be null"); + } + validators.add(validator); + return this; + } + + /** + * @see org.apache.wicket.validation.IValidator#validate(org.apache.wicket.validation.IValidatable) + */ + public void validate(IValidatable validatable) + { + Iterator it = validators.iterator(); + while (it.hasNext() && validatable.isValid()) + { + ((IValidator)it.next()).validate(validatable); + } + } +}