Java tutorial
/** * 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 * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * 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.shadowmask.core.discovery.rules; import org.apache.commons.validator.routines.UrlValidator; import org.shadowmask.core.discovery.DataDiscoveryException; import org.shadowmask.core.discovery.RuleContext; /** * This rule would evaluate whether the column value is an URL address. */ public class UrlRule extends QusiIdentifierRule { public UrlRule(RuleContext ruleContext) { super(ruleContext); } @Override public boolean evaluate() { if (value == null) { throw new DataDiscoveryException("Should fill the column value before fire inspect rules."); } String urlValue = value; if (!(value.startsWith("http://") || value.startsWith("https://") || value.startsWith("ftp://"))) { urlValue = "http://" + value; } UrlValidator urlValidator = new UrlValidator(); return urlValidator.isValid(urlValue); } }