List of usage examples for org.apache.commons.lang3 StringUtils defaultString
public static String defaultString(final String str, final String defaultStr)
Returns either the passed in String, or if the String is null , the value of defaultStr .
StringUtils.defaultString(null, "NULL") = "NULL" StringUtils.defaultString("", "NULL") = "" StringUtils.defaultString("bat", "NULL") = "bat" From source file:by.lang.StringUtilsTest.java
public static void main(String[] args) { System.out.println("?,...."); System.out.println(StringUtils.abbreviate("The quick brown fox jumps over the lazy dog.", 10)); System.out.println("."); System.out.println(StringUtils.chomp("1,2,3,", ",")); System.out.println("???."); System.out.println(StringUtils.contains("defg", "ef")); System.out.println(StringUtils.contains("ef", "defg")); System.out.println("??nulltoString()."); System.out.println(StringUtils.defaultString(null, "defaultIfEmpty")); System.out.println("."); System.out.println(StringUtils.deleteWhitespace("aa bb cc")); System.out.println("??."); System.out.println(StringUtils.isAlpha("ab")); System.out.println(StringUtils.isAlphanumeric("12")); System.out.println(StringUtils.isBlank("")); System.out.println(StringUtils.isNumeric("123")); System.out.println("?Null \"\""); System.out.println(StringUtils.isEmpty(null)); System.out.println(StringUtils.isNotEmpty(null)); System.out.println("?null \"\" "); System.out.println(StringUtils.isBlank(" ")); System.out.println(StringUtils.isNotBlank(null)); System.out.println(".Nullnull"); System.out.println(StringUtils.trim(null)); System.out.println("Null\"\" ?Null"); System.out.println(StringUtils.trimToNull("")); // NULL "" ?"" // System.out.println(StringUtils.trimToEmpty(null)); // ??//from w w w . j av a2s. c om // System.out.println(StringUtils.strip(" \t")); // ?""null?Null // System.out.println(StringUtils.stripToNull(" \t")); // ?""null?"" // System.out.println(StringUtils.stripToEmpty(null)); // ""Null ? "" // System.out.println(StringUtils.defaultString(null)); // Null ?(?) // System.out.println(StringUtils.defaultString("", "df")); // null""?(?) // System.out.println(StringUtils.defaultIfEmpty(null, "sos")); // .~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ?null(?2?) // System.out.println(StringUtils.strip("fsfsdf", "f")); // ?null???(????) // System.out.println(StringUtils.stripStart("ddsuuu ", "d")); // ?null???(????) // System.out.println(StringUtils.stripEnd("dabads", "das")); // // ArrayToList(StringUtils.stripAll(new String[]{" ? ", " ", // " "})); // ?null.?(??) // ArrayToList(StringUtils.stripAll(new String[]{" ? ", " ", ""}, // "")); // ,~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // 2?,Null // System.out.println(StringUtils.equals(null, null)); // ?? // System.out.println(StringUtils.equalsIgnoreCase("abc", "ABc")); // ????~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ?null""-1 // System.out.println(StringUtils.indexOf(null, "a")); // ?(?)2k // System.out.println(StringUtils.indexOf("akfekcd?", "k", 2)); // ??? // System.out.println(StringUtils.ordinalIndexOf("akfekcd?", "k", 2)); // ,?? // System.out.println(StringUtils.indexOfIgnoreCase("adfs", "D")); // ?(?),?? // System.out.println(StringUtils.indexOfIgnoreCase("adfs", "a", 3)); // ?? // System.out.println(StringUtils.lastIndexOf("adfas", "a")); // ?,2 // System.out.println(StringUtils.lastIndexOf("dabasdafs", "a", 3)); // ,-1 // System.out.println(StringUtils.lastOrdinalIndexOf("yksdfdht", "f", // 2)); // ???? // System.out.println(StringUtils.lastIndexOfIgnoreCase("sdffet", "E")); // ,1 // System.out.println(StringUtils.lastIndexOfIgnoreCase("efefrfs", "F" // , 2)); // ?boolean,null? // System.out.println(StringUtils.contains("sdf", "dg")); // ?boolean,null?,?? // System.out.println(StringUtils.containsIgnoreCase("sdf", "D")); // ??,boolean // System.out.println(StringUtils.containsWhitespace(" d")); // ??? // System.out.println(StringUtils.indexOfAny("absfekf", new // String[]{"f", "b"})); // (?) // System.out.println(StringUtils.indexOfAny("afefes", "e")); // ??boolean // System.out.println(StringUtils.containsAny("asfsd", new char[]{'k', // 'e', 's'})); // ?lastIndexOf???boolean // System.out.println(StringUtils.containsAny("f", "")); // // System.out.println(StringUtils.indexOfAnyBut("seefaff", "af")); // ? // System.out.println(StringUtils.containsOnly("??", "?")); // ? // System.out.println(StringUtils.containsOnly("?", new char[]{'', // '?'})); // ?? // System.out.println(StringUtils.containsNone("??", "")); // ?? // System.out.println(StringUtils.containsNone("?", new char[]{'', // ''})); // ????4 // System.out.println(StringUtils.lastIndexOfAny("", new // String[]{"", ""})); // ?indexOfAny?? (?) // System.out.println(StringUtils.countMatches("", "")); // ?CharSequence??Unicode?falseCharSequence= // 0true // System.out.println(StringUtils.isAlpha("2")); // ???UnicodeCharSequence?''CharSequence?= // 0true // System.out.println(StringUtils.isAlphaSpace("NBA ")); // ???UnicodeCharSequence?falseCharSequence= // 0true // System.out.println(StringUtils.isAlphanumeric("NBA")); // Unicode // CharSequence???''falseCharSequence= // 0true // System.out.println(StringUtils.isAlphanumericSpace("NBA")); // ???ASCII?CharSequencefalseCharSequence= // 0true // System.out.println(StringUtils.isAsciiPrintable("NBA")); // ??? // System.out.println(StringUtils.isNumeric("NBA")); // ??? // System.out.println(StringUtils.isNumericSpace("33 545")); // ??"" // System.out.println(StringUtils.isWhitespace(" ")); // ?? // System.out.println(StringUtils.isAllLowerCase("kjk33")); // ? // System.out.println(StringUtils.isAllUpperCase("KJKJ")); // ?~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ?2?: // System.out.println(StringUtils.difference("", "")); // 2 // System.out.println(StringUtils.indexOfDifference("ww.taobao", // "www.taobao.com")); // ? // System.out.println(StringUtils.indexOfDifference(new String[] // {"", "", ""})); // ??? // System.out.println(StringUtils.getCommonPrefix(new String[] {"", // "", ""})); // ?????? // System.out.println(StringUtils.getLevenshteinDistance("?", // "")); // ??? // System.out.println(StringUtils.startsWith("", "")); // ????? // System.out.println(StringUtils.startsWithIgnoreCase("", // "")); // ??? // System.out.println(StringUtils.startsWithAny("abef", new // String[]{"ge", "af", "ab"})); // ?? // System.out.println(StringUtils.endsWith("abcdef", "def")); // ???? // System.out.println(StringUtils.endsWithIgnoreCase("abcdef", "Def")); // ?~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ??nullnull."""" // System.out.println(StringUtils.substring("", 2)); // ? // System.out.println(StringUtils.substring("", 2, 4)); // ? // System.out.println(StringUtils.left("", 3)); // ?? // System.out.println(StringUtils.right("", 3)); // ??? // System.out.println(StringUtils.mid("", 3, 2)); // ?? // System.out.println(StringUtils.substringBefore("", "")); // ????? // System.out.println(StringUtils.substringAfter("", "")); // ??. // System.out.println(StringUtils.substringBeforeLast("", "")); // ????? // System.out.println(StringUtils.substringAfterLast("", "")); // ???null:2010? // System.out.println(StringUtils.substringBetween("??2010?????", // "??")); // ??? // ArrayToList(StringUtils.substringsBetween("[a][b][c]", "[", "]")); // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ?nullnull // ArrayToList(StringUtils.split("? ")); // ? // ArrayToList(StringUtils.split("? ,,", ",")); // ???0 // ArrayToList(StringUtils.split("? ", "", 2)); // ???,? // ArrayToList(StringUtils.splitByWholeSeparator("ab-!-cd-!-ef", // "-!-")); // ???,??? // ArrayToList(StringUtils.splitByWholeSeparator("ab-!-cd-!-ef", "-!-", // 2)); // " "?,?null // ArrayToList(StringUtils.splitByWholeSeparatorPreserveAllTokens(" ab // de fg ", // null)); // ?," "?? // ArrayToList(StringUtils.splitByWholeSeparatorPreserveAllTokens("ab de // fg", // null, 3)); // ???, // ArrayToList(StringUtils.splitPreserveAllTokens(" ab de fg ")); // ???,? // ArrayToList(StringUtils.splitPreserveAllTokens(" ab de fg ", // null)); // ???,??? // ArrayToList(StringUtils.splitPreserveAllTokens(" ab de fg ", null, // 2)); // ?? // ArrayToList(StringUtils.splitByCharacterType("AEkjKr i39:")); // // ArrayToList(StringUtils.splitByCharacterTypeCamelCase("ASFSRules234")); // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ?? // System.out.println(StringUtils.concat(getArrayData())); // ?.?null // System.out.println(StringUtils.concatWith(",", getArrayData())); // ? // System.out.println(StringUtils.join(getArrayData())); // ? // System.out.println(StringUtils.join(getArrayData(), ":")); // (?)?(?,??) // System.out.println(StringUtils.join(getArrayData(), ":", 1, 3)); // ?.? // System.out.println(StringUtils.join(getListData(), ":")); // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // // System.out.println(StringUtils.deleteWhitespace(" s 4j")); // ? // System.out.println(StringUtils.removeStart("www.baidu.com", "www.")); // ?,?? // System.out.println(StringUtils.removeStartIgnoreCase("www.baidu.com", // "WWW")); // ??? // System.out.println(StringUtils.removeEnd("www.baidu.com", ".com")); // ????? // System.out.println(StringUtils.removeEndIgnoreCase("www.baidu.com", // ".COM")); // ? // System.out.println(StringUtils.remove("www.baidu.com/baidu", "bai")); // "\n", "\r", "\r\n". // System.out.println(StringUtils.chomp("abcrabc\r")); // ? // System.out.println(StringUtils.chomp("baidu.com", "com")); // ?."\n", "\r", "\r\n" // System.out.println(StringUtils.chop("wwe.baidu")); // ?~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ??? // System.out.println(StringUtils.replaceOnce("www.baidu.com/baidu", // "baidu", "hao123")); // ? // System.out.println(StringUtils.replace("www.baidu.com/baidu", // "baidu", "hao123")); // ???? // System.out.println(StringUtils.replace("www.baidu.com/baidu", // "baidu", "hao123", 1)); // ?????:baidu?taobaocom?net // System.out.println(StringUtils.replaceEach("www.baidu.com/baidu", new // String[]{"baidu", "com"}, new String[]{"taobao", "net"})); // ???? // System.out.println(StringUtils.replaceEachRepeatedly("www.baidu.com/baidu", // new String[]{"baidu", "com"}, new String[]{"taobao", "net"})); // ????.(????) // System.out.println(StringUtils.replaceChars("www.baidu.com", "bdm", // "qo")); // ?(?)?(?) // System.out.println(StringUtils.overlay("www.baidu.com", "hao123", 4, // 9)); // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ???? // System.out.println(StringUtils.repeat("ba", 3)); // ?????? // System.out.println(StringUtils.repeat("ab", "ou", 3)); // ??(???) // System.out.println(StringUtils.rightPad("?", 4)); // ????(?) // System.out.println(StringUtils.rightPad("?", 4, "?")); // ??? // System.out.println(StringUtils.leftPad("?", 4)); // ??????(?) // System.out.println(StringUtils.leftPad("?", 4, "")); // ????? // System.out.println(StringUtils.center("?", 3)); // ?????? // System.out.println(StringUtils.center("?", 5, "?")); // ??(?),??(??+=?) // System.out.println(StringUtils.abbreviate("?", 5)); // 2: ...ijklmno // System.out.println(StringUtils.abbreviate("abcdefghijklmno", 12, // 10)); // ???.: ab.f // System.out.println(StringUtils.abbreviateMiddle("abcdef", ".", 4)); // ?,~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ?. // System.out.println(StringUtils.capitalize("Ddf")); // ?. // System.out.println(StringUtils.uncapitalize("DTf")); // ???????? // System.out.println(StringUtils.swapCase("I am Jiang, Hello")); // ? // System.out.println(StringUtils.reverse("")); // ?(?)?? // System.out.println(StringUtils.reverseDelimited("::", ':')); // isEmpty System.out.println(StringUtils.isEmpty(null)); // true System.out.println(StringUtils.isEmpty("")); // true System.out.println(StringUtils.isEmpty(" ")); // false System.out.println(StringUtils.isEmpty("bob")); // false System.out.println(StringUtils.isEmpty(" bob ")); // false // isBlank System.out.println(StringUtils.isBlank(null)); // true System.out.println(StringUtils.isBlank("")); // true System.out.println(StringUtils.isBlank(" ")); // true System.out.println(StringUtils.isBlank("bob")); // false System.out.println(StringUtils.isBlank(" bob ")); // false // trim System.out.println(StringUtils.trim(null)); // null System.out.println(StringUtils.trim("")); // "" System.out.println(StringUtils.trim(" ")); // "" System.out.println(StringUtils.trim("abc")); // "abc" System.out.println(StringUtils.trim(" abc")); // "abc" System.out.println(StringUtils.trim(" abc ")); // "abc" System.out.println(StringUtils.trim(" ab c ")); // "ab c" // strip System.out.println(StringUtils.strip(null)); // null System.out.println(StringUtils.strip("")); // "" System.out.println(StringUtils.strip(" ")); // "" System.out.println(StringUtils.strip("abc")); // "abc" System.out.println(StringUtils.strip(" abc")); // "abc" System.out.println(StringUtils.strip("abc ")); // "abc" System.out.println(StringUtils.strip(" abc ")); // "abc" System.out.println(StringUtils.strip(" ab c ")); // "ab c" System.out.println(StringUtils.strip(" abcyx", "xyz")); // " abc" System.out.println(StringUtils.stripStart("yxabcxyz ", "xyz")); // "abcxyz // " System.out.println(StringUtils.stripEnd(" xyzabcyx", "xyz")); // " // xyzabc" // ? String str1 = "aaa bbb ccc"; String[] dim1 = StringUtils.split(str1); // => ["aaa", "bbb", "ccc"] System.out.println(dim1.length);// 3 System.out.println(dim1[0]);// "aaa" System.out.println(dim1[1]);// "bbb" System.out.println(dim1[2]);// "ccc" // String str2 = "aaa,bbb,ccc"; String[] dim2 = StringUtils.split(str2, ","); // => ["aaa", "bbb", // "ccc"] System.out.println(dim2.length);// 3 System.out.println(dim2[0]);// "aaa" System.out.println(dim2[1]);// "bbb" System.out.println(dim2[2]);// "ccc" // String str3 = "aaa,,bbb"; String[] dim3 = StringUtils.split(str3, ","); // => ["aaa", "bbb"] System.out.println(dim3.length);// 2 System.out.println(dim3[0]);// "aaa" System.out.println(dim3[1]);// "bbb" // ? String str4 = "aaa,,bbb"; String[] dim4 = StringUtils.splitPreserveAllTokens(str4, ","); // => // ["aaa", // "", // "bbb"] System.out.println(dim4.length);// 3 System.out.println(dim4[0]);// "aaa" System.out.println(dim4[1]);// "" System.out.println(dim4[2]);// "bbb" // ?? String str5 = "aaa,bbb,ccc"; String[] dim5 = StringUtils.split(str5, ",", 2); // => ["aaa", // "bbb,ccc"] System.out.println(dim5.length);// 2 System.out.println(dim5[0]);// "aaa" System.out.println(dim5[1]);// "bbb,ccc" // String[] array = { "aaa", "bbb", "ccc" }; String result1 = StringUtils.join(array, ","); System.out.println(result1);// "aaa,bbb,ccc" // ? List<String> list = new ArrayList<String>(); list.add("aaa"); list.add("bbb"); list.add("ccc"); String result2 = StringUtils.join(list, ","); System.out.println(result2);// "aaa,bbb,ccc" }
From source file:com.mirth.connect.model.Parameter.java
public void setType(String type) { this.type = StringUtils.defaultString(type, "Any"); }
From source file:com.navercorp.pinpoint.web.vo.callstacks.ParameterRecord.java
String buildArgument(String argument) {
return StringUtils.defaultString(argument, "null");
}
From source file:io.wcm.handler.url.impl.modes.UrlConfig.java
public UrlConfig(Adaptable adaptable) { this.config = adaptable.adaptTo(Configuration.class); if (this.config != null) { this.siteUrl = config.get(UrlParams.SITE_URL); this.siteUrlSecure = StringUtils.defaultString(config.get(UrlParams.SITE_URL_SECURE), this.siteUrl); this.siteUrlAuthor = config.get(UrlParams.SITE_URL_AUTHOR); } else {/*from w w w . ja v a 2s . com*/ this.siteUrl = null; this.siteUrlSecure = null; this.siteUrlAuthor = null; } }
From source file:com.mirth.connect.util.messagewriter.MessageWriterFactory.java
public MessageWriter getMessageWriter(MessageWriterOptions options, Encryptor encryptor) throws MessageWriterException { String baseFolder = StringUtils.defaultString(options.getBaseFolder(), System.getProperty("user.dir")); String rootFolder = FilenameUtils.getAbsolutePath(new File(baseFolder), options.getRootFolder()); String filePattern = options.getFilePattern(); if (filePattern.substring(0, 1).equals(IOUtils.DIR_SEPARATOR)) { filePattern = filePattern.substring(1); }//from w w w. j a va2 s. com MessageWriterFile fileWriter = new MessageWriterFile(rootFolder, filePattern, options.getContentType(), options.isDestinationContent(), options.isEncrypt(), encryptor); if (options.getArchiveFormat() == null) { return fileWriter; } if (options.getArchiveFileName() == null) { options.setArchiveFileName( new SimpleDateFormat(ARCHIVE_DATE_PATTERN).format(Calendar.getInstance().getTime())); } /* * If we are writing to an archive, make the vfsWriter write to a temporary folder that will * be removed once the archive file has been created */ String tempFolder = rootFolder + IOUtils.DIR_SEPARATOR + "." + options.getArchiveFileName(); FileUtils.deleteQuietly(new File(tempFolder)); fileWriter.setPath(tempFolder); File archiveFile = new File(rootFolder + IOUtils.DIR_SEPARATOR + options.getArchiveFileName() + "." + getArchiveExtension(options.getArchiveFormat(), options.getCompressFormat())); return new MessageWriterArchive(fileWriter, new File(tempFolder), archiveFile, options.getArchiveFormat(), options.getCompressFormat()); }
From source file:com.cognifide.aet.executor.xmlparser.xml.CollectConverter.java
@Override public Collect read(InputNode node) throws Exception { List<CollectorStep> collectorSteps = Lists.newArrayList(); InputNode inputNode;/*from www . ja v a2s.com*/ while ((inputNode = node.getNext()) != null) { Map<String, String> parameters = getParameters(inputNode); String name = StringUtils.defaultString(parameters.get("name"), inputNode.getName()); CollectorStep collectorStep = new CollectorStep(inputNode.getName(), name, parameters); collectorSteps.add(collectorStep); } ValidationUtils.validateSleep(collectorSteps); return new Collect(collectorSteps); }
From source file:com.biglakesystems.biglib.quality.Exceptions.java
/** * Get a string uniquely identifying an exception. The returned identifier will be the same each time this method is * invoked for a given exception instance. This can be used to correlate an exception between a log file and user * error message, for example.// w w w . ja va 2 s . c o m * * @param exception the exception to identify. * @return {@link String} exception identifier. */ public static String uniqueId(final Throwable exception) { Assert.argumentNotNull("exception", exception); /* First check for an existing ID for this exception. */ final String result; final String existing = s_idsByException.get(exception); if (null != existing) { /* Already identified this exception; use that identifier. */ result = existing; } else { /* Haven't already identified this exception; generate a new identifier. Exceptions generally shouldn't be crossing thread boundaries, but we do handle the case where another thread allocates an identifier first. */ final String created = newUniqueId(exception); final String previous = s_idsByException.put(exception, created); result = StringUtils.defaultString(previous, created); } return result; }
From source file:com.navercorp.pinpoint.web.vo.callstacks.ExceptionRecord.java
String buildArgument(String exceptionMessage) {
return StringUtils.defaultString(exceptionMessage, "");
}
From source file:com.threewks.thundr.module.ModulesModule.java
@SuppressWarnings("unchecked") protected Class<? extends Module> loadApplicationModule(UpdatableInjectionContext injectionContext) { String className = StringUtils.defaultString(injectionContext.get(String.class, ApplicationClassProperty), ApplicationModule);//from ww w .j a va2 s. c om Class<?> type = null; try { type = Class.forName(className); } catch (Exception e) { throw new ModuleLoadingException( "Failed to load the application module. You must provide an implementation of '%s', either as '%s' in the default package, or you can specify the full class name in the configuration property '%s'.", Module.class.getName(), ApplicationModule, ApplicationClassProperty); } if (Module.class.isAssignableFrom(type)) { return (Class<? extends Module>) type; } else { throw new ModuleLoadingException("Failed to load the application module. '%s' does not implement '%s'", type.getName(), Module.class.getName()); } }
From source file:com.contentful.vault.Resource.java
@Override public boolean equals(Object o) { if (this == o) return true; if (!(o instanceof Resource)) return false; Resource resource = (Resource) o; String prefix = StringUtils.defaultString(getIdPrefix(), ""); if (!prefix.equals(StringUtils.defaultString(resource.getIdPrefix(), ""))) return false; return (prefix + remoteId()).equals(prefix + resource.remoteId()); }