1 /**************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, * 13 * software distributed under the License is distributed on an * 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 15 * KIND, either express or implied. See the License for the * 16 * specific language governing permissions and limitations * 17 * under the License. * 18 ****************************************************************/ 19 20 package org.apache.jsieve.comparators; 21 22 import org.apache.jsieve.exception.FeatureException; 23 24 25 /** 26 * Interface Contains defines the method signatures for contains comparators. 27 */ 28 public interface Contains { 29 30 /** 31 * Method contains answers a <code>boolean</code> indicating if parameter 32 * <code>container</code> contains parameter <code>content</code> using 33 * the comparison rules defind by the implementation. 34 * 35 * @param container 36 * @param content 37 * @return boolean 38 * @throws FeatureException when substring is unsupported 39 */ 40 public boolean contains(String container, String content) throws FeatureException; 41 42 }