?? exportviewutils.java
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?/*
* 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 org.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;
}
}
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