com.googlecode.jtiger.modules.ecside.util.ExportViewUtils.java Source code

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Here is the source code for com.googlecode.jtiger.modules.ecside.util.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 com.googlecode.jtiger.modules.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, "<", "&lt;");
        }

        return value;
    }
}