StringUtils.java

package com.occamlab.te.util;

/**
 * Utilities to do more advanced processing on Strings than what is available in
 * XSLT.
 * 
 * @author jparrpearson
 */
public class StringUtils {

    /**
     * Extracts the path from a file path string (everything before the last
     * '/').
     * 
     * @param filePath
     *            the string to parse
     * @return the path without the filename, or the original path/string if no
     *         occurance of a dir seperator
     */
    public static String getPathFromString(String filePath) {
        String newPath = filePath;

        int forwardInd = filePath.lastIndexOf("/");
        int backInd = filePath.lastIndexOf("\\");

        if (forwardInd > backInd) {
            newPath = filePath.substring(0, forwardInd + 1);
        } else {
            newPath = filePath.substring(0, backInd + 1);
        }

        // still original if no occurance of "/" or "\"
        return newPath;
    }

    /**
     * Extracts the filename from a path.
     * 
     * @param filePath
     *            the string to parse
     * @return the path containing only the filename itself
     */
    public static String getFilenameFromString(String filePath) {
        String newPath = filePath;

        int forwardInd = filePath.lastIndexOf("/");
        int backInd = filePath.lastIndexOf("\\");

        if (forwardInd > backInd) {
            newPath = filePath.substring(forwardInd + 1);
        } else {
            newPath = filePath.substring(backInd + 1);
        }

        // still original if no occurance of "/" or "\"
        return newPath;
    }

    // Replaces all occurences of match in str with replacement
    public static String replaceAll(String str, String match, String replacement) {
        String newStr = str;
        int i = newStr.indexOf(match);
        while (i >= 0) {
            newStr = newStr.substring(0, i) + replacement
                    + newStr.substring(i + match.length());
            i = newStr.indexOf(match);
        }
        return newStr;
    }

    public static String escapeXML(String str) {
        String ret = str;
        ret = ret.replaceAll("\"", """);
        ret = ret.replaceAll("&", "&");
        ret = ret.replaceAll("<", "<");
        ret = ret.replaceAll(">", ">");
        ret = ret.replaceAll("'", "'");
        return ret;
    }
}