99 lines
3.5 KiB
Java
99 lines
3.5 KiB
Java
/*
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* DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
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* Copyright (C) 2009 Mickael Guessant
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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package davmail.util;
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/**
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* Various string handling methods
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*/
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public final class StringUtil {
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private StringUtil() {
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}
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/**
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* Return the sub string between startDelimiter and endDelimiter or null.
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*
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* @param value String value
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* @param startDelimiter start delimiter
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* @param endDelimiter end delimiter
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* @return token value
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*/
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public static String getToken(String value, String startDelimiter, String endDelimiter) {
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String token = null;
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if (value != null) {
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int startIndex = value.indexOf(startDelimiter);
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if (startIndex >= 0) {
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startIndex += startDelimiter.length();
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int endIndex = value.indexOf(endDelimiter, startIndex);
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if (endIndex >= 0) {
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token = value.substring(startIndex, endIndex);
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}
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}
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}
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return token;
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}
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/**
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* Return the sub string between startDelimiter and endDelimiter or null,
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* look for last token in string.
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*
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* @param value String value
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* @param startDelimiter start delimiter
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* @param endDelimiter end delimiter
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* @return token value
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*/
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public static String getLastToken(String value, String startDelimiter, String endDelimiter) {
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String token = null;
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if (value != null) {
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int startIndex = value.lastIndexOf(startDelimiter);
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if (startIndex >= 0) {
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startIndex += startDelimiter.length();
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int endIndex = value.indexOf(endDelimiter, startIndex);
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if (endIndex >= 0) {
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token = value.substring(startIndex, endIndex);
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}
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}
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}
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return token;
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}
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/**
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* Return the sub string between startDelimiter and endDelimiter with newToken.
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*
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* @param value String value
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* @param startDelimiter start delimiter
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* @param endDelimiter end delimiter
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* @param newToken new token value
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* @return token value
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*/
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public static String replaceToken(String value, String startDelimiter, String endDelimiter, String newToken) {
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String result = null;
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if (value != null) {
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int startIndex = value.indexOf(startDelimiter);
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if (startIndex >= 0) {
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startIndex += startDelimiter.length();
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int endIndex = value.indexOf(endDelimiter, startIndex);
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if (endIndex >= 0) {
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result = value.substring(0, startIndex) + newToken + value.substring(endIndex);
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}
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}
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}
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return result;
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}
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}
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