Java tutorial
/* * Copyright 2004 original author or authors. * * 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 com.ultrapower.eoms.common.plugin.ecside.util; import org.apache.commons.lang.StringUtils; /** * org.extremecomponents.base.ViewUtils - Utility methods for parsing and * replacing characters and Strings. * * @author phorn */ public class ExportViewUtils { public static final String BR = "\r\n"; public static final char LF = '\n'; public static final char CR = '\r'; public static final char QUOTE = '"'; public static final char COMMA = ','; public static final char SPACE = ' '; public static final char TAB = '\t'; public static final char POUND = '#'; public static final char BACKSLASH = '\\'; public static final char NULL = '\0'; public static final String SPACE_C1 =" "; public static final String SPACE_C2 = " "; public static String parseXLS(String value) { if (StringUtils.isBlank(value)) return ""; value = replaceNonBreakingSpaces(value); return value; } public static String parsePDF(String value) { if (StringUtils.isBlank(value)) return ""; value = replaceNonBreakingSpaces(value); value = escapeChars(value); return value; } public static String parseCSV(String content) { boolean needPrefix= true; boolean needTrim = true; boolean needQuote = false; if (content == null) { return needPrefix?String.valueOf(TAB):""; } content=needTrim?content.trim():content; if (content.indexOf("\r") != -1 || content.indexOf("\n") != -1 || content.indexOf(",") != -1) { needQuote = true; } content = StringUtils.replace(content, SPACE_C1, ""+SPACE); content = StringUtils.replace(content, SPACE_C2, ""+SPACE); content = StringUtils.replace(content, "" + QUOTE, ""+ QUOTE + QUOTE); content = StringUtils.replace(content, "" + CR + LF, "" + CR); content = StringUtils.replace(content, "" + LF, "" + CR); content=needPrefix?TAB+content:content; if (needQuote) { content = QUOTE + content + QUOTE; } return content; } public static String replaceNonBreakingSpaces(String value) { if (StringUtils.isBlank(value)) return ""; if (StringUtils.contains(value, " ")) { value = StringUtils.replace(value, " ", ""); } return value; } public static String escapeChars(String value) { if (StringUtils.isBlank(value)) return ""; if (StringUtils.contains(value, "&")) { value = StringUtils.replace(value, "&", "&"); } if (StringUtils.contains(value, ">")) { value = StringUtils.replace(value, ">", ">"); } if (StringUtils.contains(value, "<")) { value = StringUtils.replace(value, "<", "<"); } return value; } }