| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| package android.databinding.tool.util; |
| |
| import com.google.common.base.StandardSystemProperty; |
| import com.google.common.base.Strings; |
| |
| public class StringUtils { |
| |
| public static final String LINE_SEPARATOR = StandardSystemProperty.LINE_SEPARATOR.value(); |
| /** The entity for the ampersand character */ |
| private static final String AMP_ENTITY = "&"; |
| /** The entity for the quote character */ |
| private static final String QUOT_ENTITY = """; |
| /** The entity for the apostrophe character */ |
| private static final String APOS_ENTITY = "'"; |
| /** The entity for the less than character */ |
| private static final String LT_ENTITY = "<"; |
| /** The entity for the greater than character */ |
| private static final String GT_ENTITY = ">"; |
| /** The entity for the tab character */ |
| private static final String TAB_ENTITY = "	"; |
| /** The entity for the carriage return character */ |
| private static final String CR_ENTITY = "
"; |
| /** The entity for the line feed character */ |
| private static final String LFEED_ENTITY = "
"; |
| |
| public static boolean isNotBlank(CharSequence string) { |
| if (string == null) { |
| return false; |
| } |
| for (int i = 0, n = string.length(); i < n; i++) { |
| if (!Character.isWhitespace(string.charAt(i))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static String capitalize(String string) { |
| if (Strings.isNullOrEmpty(string)) { |
| return string; |
| } |
| char ch = string.charAt(0); |
| if (Character.isTitleCase(ch)) { |
| return string; |
| } |
| return Character.toTitleCase(ch) + string.substring(1); |
| } |
| |
| public static String unescapeXml(String escaped) { |
| // TODO: unescape unicode codepoints |
| return escaped.replace(QUOT_ENTITY, "\"") |
| .replace(LT_ENTITY, "<") |
| .replace(GT_ENTITY, ">") |
| .replace(APOS_ENTITY, "'") |
| .replace(AMP_ENTITY, "&") |
| .replace(TAB_ENTITY, "\t") |
| .replace(CR_ENTITY, "\r") |
| .replace(LFEED_ENTITY, "\n"); |
| } |
| |
| private StringUtils() { |
| } |
| |
| } |