Back to project page VideoRecorder.
The source code is released under:
Apache License
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/* * Copyright (C) 2014 The Android Open Source Project *//ww w .j a v a 2s . co m * Licensed 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. * * Auther?yinglovezhuzhu@gmail.com * File: StringUtil.java * Date?2014?1?2? * Version?v1.0 */ package com.opensource.videorecorder.utils; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * ??? * @author yinglovezhuzhu@gmail.com */ public class StringUtil { private StringUtil() {} public static boolean isEmpty(String str) { return str == null || "".equals(str.trim()); } /** * ?????startStr?endStr?????????startStr?endStr,?????????startStr?endStr? * @param sb * @param startStr * @param endStr */ public static void deleteAllIn(StringBuilder sb, String startStr, String endStr) { int startIndex = 0; int endIndex = 0; while((startIndex = sb.indexOf(startStr)) >= 0 && (endIndex = sb.indexOf(endStr)) >= 0) { sb.delete(startIndex, endIndex + endStr.length()); } } /** * ?????????????????????? * @param path * @return */ public static String getFileName(String path) { return path.substring(path.lastIndexOf("/") + 1, path.length()); } /** * ?????????????????????? * @param source * @param start * @param end * @return */ public static String getStringIn(String source, String start, String end) { return source.substring(source.indexOf(start) + start.length(), source.indexOf(end)); } /** * Whether the input is valid mobile phone number or not. * @param phone * @return */ public static boolean isValidPhoneNumber(String phone) { if(StringUtil.isEmpty(phone)) { return false; } String p = "1[358][0-9]{9}"; Pattern pattern = Pattern.compile(p, Pattern.MULTILINE|Pattern.COMMENTS); Matcher m = pattern.matcher(phone); return m.find(); } }