1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * See LICENSE.txt included in this distribution for the specific 9 * language governing permissions and limitations under the License. 10 * 11 * When distributing Covered Code, include this CDDL HEADER in each 12 * file and include the License file at LICENSE.txt. 13 * If applicable, add the following below this CDDL HEADER, with the 14 * fields enclosed by brackets "[]" replaced with your own identifying 15 * information: Portions Copyright [yyyy] [name of copyright owner] 16 * 17 * CDDL HEADER END 18 */ 19 20 /* 21 * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved. 22 */ 23 package org.opengrok.indexer.search.context; 24 25 /** 26 * Matches a term against a prefix. 27 */ 28 public class PrefixMatcher extends LineMatcher { 29 private final String prefix; 30 PrefixMatcher(String prefix, boolean caseInsensitive)31 public PrefixMatcher(String prefix, boolean caseInsensitive) { 32 super(caseInsensitive); 33 this.prefix = normalizeString(prefix); 34 } 35 36 @Override match(String token)37 public int match(String token) { 38 String tokenToMatch = normalizeString(token); 39 return tokenToMatch.startsWith(prefix) ? MATCHED : NOT_MATCHED; 40 } 41 } 42