2009-11-02 16:38:49 -05:00
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/*
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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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2010-07-01 08:47:57 -04:00
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import org.apache.commons.codec.DecoderException;
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import org.apache.commons.codec.binary.Base64;
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import org.apache.commons.codec.binary.Hex;
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2014-03-02 15:14:17 -05:00
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import java.io.UnsupportedEncodingException;
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2010-09-13 15:27:16 -04:00
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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2012-10-11 13:08:48 -04:00
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import java.util.ArrayList;
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2010-09-13 15:27:16 -04:00
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import java.util.Calendar;
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2012-10-11 13:08:48 -04:00
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import java.util.List;
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2009-12-24 10:33:26 -05:00
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import java.util.Set;
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2010-04-13 18:30:04 -04:00
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import java.util.regex.Pattern;
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2009-12-24 10:33:26 -05:00
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2009-11-02 16:38:49 -05:00
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/**
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* Various string handling methods
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*/
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2009-11-17 16:54:10 -05:00
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public final class StringUtil {
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2009-11-02 16:38:49 -05:00
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private StringUtil() {
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}
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/**
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2009-12-20 05:51:02 -05:00
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* Return the sub string between startDelimiter and endDelimiter or null.
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2009-11-02 16:38:49 -05:00
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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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2009-11-03 05:01:33 -05:00
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/**
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2009-12-20 05:51:02 -05:00
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* Return the sub string between startDelimiter and endDelimiter or null,
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2009-11-03 05:01:33 -05:00
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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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2009-12-20 05:51:02 -05:00
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* Return the sub string between startDelimiter and endDelimiter with newToken.
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2009-11-03 05:01:33 -05:00
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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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2009-12-24 10:33:26 -05:00
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/**
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* Join values with given separator.
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*
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2010-04-13 18:30:04 -04:00
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* @param values value set
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2009-12-24 10:33:26 -05:00
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* @param separator separator
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* @return joined values
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*/
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public static String join(Set<String> values, String separator) {
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if (values != null && !values.isEmpty()) {
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StringBuilder result = new StringBuilder();
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for (String value : values) {
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if (result.length() > 0) {
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result.append(separator);
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}
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result.append(value);
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}
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return result.toString();
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} else {
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return null;
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}
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}
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2010-04-13 18:30:04 -04:00
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2012-10-11 13:08:48 -04:00
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static class PatternMap {
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protected String match;
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protected String value;
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protected Pattern pattern;
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protected PatternMap(String match, String value) {
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this.match = match;
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this.value = value;
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pattern = Pattern.compile(match);
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}
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protected PatternMap(String match, String escapedMatch, String value) {
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this.match = match;
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this.value = value;
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pattern = Pattern.compile(escapedMatch);
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}
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protected PatternMap(String match, Pattern pattern, String value) {
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this.match = match;
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this.value = value;
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this.pattern = pattern;
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}
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protected String replaceAll(String string) {
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if (string != null && string.indexOf(match) >= 0) {
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return pattern.matcher(string).replaceAll(value);
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} else {
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return string;
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}
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}
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}
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2010-04-13 18:30:04 -04:00
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private static final Pattern AMP_PATTERN = Pattern.compile("&");
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2012-10-11 13:08:48 -04:00
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private static final Pattern PLUS_PATTERN = Pattern.compile("\\+");
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2010-04-13 18:30:04 -04:00
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2011-02-02 17:59:37 -05:00
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private static final Pattern QUOTE_PATTERN = Pattern.compile("\"");
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2011-07-21 18:40:08 -04:00
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private static final Pattern CR_PATTERN = Pattern.compile("\r");
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private static final Pattern LF_PATTERN = Pattern.compile("\n");
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2011-02-02 17:59:37 -05:00
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2012-10-11 13:08:48 -04:00
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private static final List<PatternMap> URLENCODED_PATTERNS = new ArrayList<PatternMap>();
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static {
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URLENCODED_PATTERNS.add(new PatternMap(String.valueOf((char) 0xF8FF), "_xF8FF_"));
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URLENCODED_PATTERNS.add(new PatternMap("%26", "&"));
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URLENCODED_PATTERNS.add(new PatternMap("%2B", "+"));
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URLENCODED_PATTERNS.add(new PatternMap("%3A", ":"));
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URLENCODED_PATTERNS.add(new PatternMap("%3B", ";"));
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URLENCODED_PATTERNS.add(new PatternMap("%3C", "<"));
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URLENCODED_PATTERNS.add(new PatternMap("%3E", ">"));
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URLENCODED_PATTERNS.add(new PatternMap("%22", "\""));
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URLENCODED_PATTERNS.add(new PatternMap("%23", "#"));
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URLENCODED_PATTERNS.add(new PatternMap("%2A", "*"));
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URLENCODED_PATTERNS.add(new PatternMap("%7C", "|"));
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URLENCODED_PATTERNS.add(new PatternMap("%3F", "?"));
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URLENCODED_PATTERNS.add(new PatternMap("%7E", "~"));
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// CRLF is replaced with LF in response
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URLENCODED_PATTERNS.add(new PatternMap("\n", "_x000D__x000A_"));
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// last replace %
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URLENCODED_PATTERNS.add(new PatternMap("%25", "%"));
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}
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private static final List<PatternMap> URLENCODE_PATTERNS = new ArrayList<PatternMap>();
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static {
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// first replace %
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URLENCODE_PATTERNS.add(new PatternMap("%", "%25"));
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URLENCODE_PATTERNS.add(new PatternMap("_xF8FF_", String.valueOf((char) 0xF8FF)));
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URLENCODE_PATTERNS.add(new PatternMap("&", AMP_PATTERN, "%26"));
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URLENCODE_PATTERNS.add(new PatternMap("+", PLUS_PATTERN, "%2B"));
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URLENCODE_PATTERNS.add(new PatternMap(":", "%3A"));
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URLENCODE_PATTERNS.add(new PatternMap(";", "%3B"));
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URLENCODE_PATTERNS.add(new PatternMap("<", "%3C"));
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URLENCODE_PATTERNS.add(new PatternMap(">", "%3E"));
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URLENCODE_PATTERNS.add(new PatternMap("\"", "%22"));
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URLENCODE_PATTERNS.add(new PatternMap("#", "%23"));
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URLENCODE_PATTERNS.add(new PatternMap("~", "%7E"));
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URLENCODE_PATTERNS.add(new PatternMap("*", "\\*", "%2A"));
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URLENCODE_PATTERNS.add(new PatternMap("|", "\\|", "%7C"));
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URLENCODE_PATTERNS.add(new PatternMap("?", "\\?", "%3F"));
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URLENCODE_PATTERNS.add(new PatternMap("_x000D__x000A_", "\r\n"));
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}
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private static final List<PatternMap> XML_DECODE_PATTERNS = new ArrayList<PatternMap>();
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static {
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XML_DECODE_PATTERNS.add(new PatternMap("&", "&"));
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XML_DECODE_PATTERNS.add(new PatternMap("<", "<"));
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XML_DECODE_PATTERNS.add(new PatternMap(">", ">"));
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}
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private static final List<PatternMap> XML_ENCODE_PATTERNS = new ArrayList<PatternMap>();
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static {
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XML_ENCODE_PATTERNS.add(new PatternMap("&", AMP_PATTERN, "&"));
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XML_ENCODE_PATTERNS.add(new PatternMap("<", "<"));
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XML_ENCODE_PATTERNS.add(new PatternMap(">", ">"));
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}
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2011-07-21 18:40:08 -04:00
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2010-07-27 13:08:39 -04:00
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private static final Pattern SLASH_PATTERN = Pattern.compile("/");
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private static final Pattern UNDERSCORE_PATTERN = Pattern.compile("_");
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private static final Pattern DASH_PATTERN = Pattern.compile("-");
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2010-07-25 10:36:27 -04:00
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2010-08-23 02:45:13 -04:00
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// WebDav search parameter encode
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private static final Pattern APOS_PATTERN = Pattern.compile("'");
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2010-07-25 08:58:25 -04:00
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/**
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2011-02-23 17:23:06 -05:00
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* Xml encode content.
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2010-04-13 18:30:04 -04:00
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*
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* @param name decoded name
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* @return name encoded name
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*/
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public static String xmlEncode(String name) {
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String result = name;
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2012-10-11 13:08:48 -04:00
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if (result != null) {
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for (PatternMap patternMap : XML_ENCODE_PATTERNS) {
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result = patternMap.replaceAll(result);
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2010-08-18 06:33:25 -04:00
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}
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2010-04-13 18:30:04 -04:00
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}
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return result;
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}
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2011-02-23 17:23:06 -05:00
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/**
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* Xml encode inside attribute.
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*
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* @param name decoded name
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* @return name encoded name
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*/
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public static String xmlEncodeAttribute(String name) {
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String result = xmlEncode(name);
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if (result != null) {
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if (result.indexOf('"') >= 0) {
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result = QUOTE_PATTERN.matcher(result).replaceAll(""");
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}
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2011-08-13 17:22:45 -04:00
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if (result.indexOf('\r') >= 0) {
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2011-07-21 18:40:08 -04:00
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result = CR_PATTERN.matcher(result).replaceAll("
");
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}
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2011-08-13 17:22:45 -04:00
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if (result.indexOf('\n') >= 0) {
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2011-07-21 18:40:08 -04:00
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result = LF_PATTERN.matcher(result).replaceAll("
");
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}
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2011-02-23 17:23:06 -05:00
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}
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return result;
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}
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2010-04-13 18:30:04 -04:00
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/**
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* Need to decode xml for iCal
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*
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* @param name encoded name
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* @return name decoded name
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*/
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public static String xmlDecode(String name) {
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String result = name;
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2012-10-11 13:08:48 -04:00
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if (result != null) {
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for (PatternMap patternMap : XML_DECODE_PATTERNS) {
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result = patternMap.replaceAll(result);
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}
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2010-04-13 18:30:04 -04:00
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}
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return result;
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}
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2010-07-01 08:47:57 -04:00
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/**
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* Convert base64 value to hex.
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*
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* @param value base64 value
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* @return hex value
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*/
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2014-03-02 15:14:17 -05:00
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public static String base64ToHex(String value) throws UnsupportedEncodingException {
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2010-07-01 08:47:57 -04:00
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String hexValue = null;
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if (value != null) {
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2014-03-02 15:14:17 -05:00
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hexValue = new String(Hex.encodeHex(Base64.decodeBase64(value.getBytes("UTF-8"))));
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2010-07-01 08:47:57 -04:00
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}
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return hexValue;
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}
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/**
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* Convert hex value to base64.
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*
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* @param value hex value
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* @return base64 value
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* @throws DecoderException on error
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*/
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2014-03-02 15:14:17 -05:00
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public static String hexToBase64(String value) throws DecoderException, UnsupportedEncodingException {
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2010-07-01 08:47:57 -04:00
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String base64Value = null;
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if (value != null) {
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2014-03-02 15:14:17 -05:00
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base64Value = new String(Base64.encodeBase64(Hex.decodeHex(value.toCharArray())), "UTF-8");
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2010-07-01 08:47:57 -04:00
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}
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return base64Value;
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}
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2010-07-27 05:34:04 -04:00
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/**
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* Encode item name to get actual value stored in urlcompname MAPI property.
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*
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* @param value decoded value
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* @return urlcompname encoded value
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*/
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2010-07-25 10:36:27 -04:00
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|
public static String encodeUrlcompname(String value) {
|
|
|
|
String result = value;
|
2012-10-11 13:08:48 -04:00
|
|
|
if (result != null) {
|
|
|
|
for (PatternMap patternMap : URLENCODE_PATTERNS) {
|
|
|
|
result = patternMap.replaceAll(result);
|
|
|
|
}
|
2012-07-06 18:25:48 -04:00
|
|
|
}
|
2011-08-09 09:03:55 -04:00
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Decode urlcompname to get item name.
|
|
|
|
*
|
|
|
|
* @param urlcompname encoded value
|
|
|
|
* @return decoded value
|
|
|
|
*/
|
|
|
|
public static String decodeUrlcompname(String urlcompname) {
|
|
|
|
String result = urlcompname;
|
2011-08-13 17:22:45 -04:00
|
|
|
if (result != null) {
|
2012-10-11 13:08:48 -04:00
|
|
|
for (PatternMap patternMap : URLENCODED_PATTERNS) {
|
|
|
|
result = patternMap.replaceAll(result);
|
2011-08-13 17:22:45 -04:00
|
|
|
}
|
2011-08-07 08:53:40 -04:00
|
|
|
}
|
2010-07-25 10:36:27 -04:00
|
|
|
return result;
|
|
|
|
}
|
2010-07-27 05:34:04 -04:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Urlencode plus sign in encoded href.
|
|
|
|
* '+' is decoded as ' ' by URIUtil.decode, the workaround is to force urlencoding to '%2B' first
|
|
|
|
*
|
|
|
|
* @param value encoded href
|
|
|
|
* @return encoded href
|
|
|
|
*/
|
|
|
|
public static String encodePlusSign(String value) {
|
|
|
|
String result = value;
|
|
|
|
if (result.indexOf('+') >= 0) {
|
|
|
|
result = PLUS_PATTERN.matcher(result).replaceAll("%2B");
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2010-09-27 05:37:59 -04:00
|
|
|
/**
|
|
|
|
* Encode EWS base64 itemId to url compatible value.
|
|
|
|
*
|
|
|
|
* @param value base64 value
|
|
|
|
* @return url compatible value
|
|
|
|
*/
|
2010-07-27 13:08:39 -04:00
|
|
|
public static String base64ToUrl(String value) {
|
|
|
|
String result = value;
|
2010-09-24 04:44:13 -04:00
|
|
|
if (result != null) {
|
2010-08-06 17:05:21 -04:00
|
|
|
if (result.indexOf('+') >= 0) {
|
|
|
|
result = PLUS_PATTERN.matcher(result).replaceAll("-");
|
|
|
|
}
|
|
|
|
if (result.indexOf('/') >= 0) {
|
|
|
|
result = SLASH_PATTERN.matcher(result).replaceAll("_");
|
|
|
|
}
|
2010-07-27 13:08:39 -04:00
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2010-09-27 05:37:59 -04:00
|
|
|
/**
|
|
|
|
* Encode EWS url compatible itemId back to base64 value.
|
|
|
|
*
|
|
|
|
* @param value url compatible value
|
|
|
|
* @return base64 value
|
|
|
|
*/
|
2010-07-27 13:08:39 -04:00
|
|
|
public static String urlToBase64(String value) {
|
|
|
|
String result = value;
|
|
|
|
if (result.indexOf('-') >= 0) {
|
|
|
|
result = DASH_PATTERN.matcher(result).replaceAll("+");
|
|
|
|
}
|
|
|
|
if (result.indexOf('_') >= 0) {
|
|
|
|
result = UNDERSCORE_PATTERN.matcher(result).replaceAll("/");
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
2010-08-23 02:45:13 -04:00
|
|
|
|
2010-09-27 05:37:59 -04:00
|
|
|
/**
|
|
|
|
* Encode quotes in Dav search parameter.
|
|
|
|
*
|
|
|
|
* @param value search parameter
|
|
|
|
* @return escaped value
|
|
|
|
*/
|
2010-08-23 02:45:13 -04:00
|
|
|
public static String davSearchEncode(String value) {
|
|
|
|
String result = value;
|
|
|
|
if (result.indexOf('\'') >= 0) {
|
|
|
|
result = APOS_PATTERN.matcher(result).replaceAll("''");
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
2010-09-13 15:27:16 -04:00
|
|
|
|
2010-09-27 05:37:59 -04:00
|
|
|
/**
|
|
|
|
* Get allday date value from zulu timestamp.
|
|
|
|
*
|
|
|
|
* @param value zulu datetime
|
2011-06-08 15:58:29 -04:00
|
|
|
* @return yyyyMMdd allday date value
|
2010-09-27 05:37:59 -04:00
|
|
|
*/
|
2010-09-13 15:27:16 -04:00
|
|
|
public static String convertZuluDateTimeToAllDay(String value) {
|
|
|
|
String result = value;
|
|
|
|
if (value != null && value.length() != 8) {
|
|
|
|
// try to convert datetime value to date value
|
|
|
|
try {
|
|
|
|
Calendar calendar = Calendar.getInstance();
|
|
|
|
SimpleDateFormat dateParser = new SimpleDateFormat("yyyyMMdd'T'HHmmss'Z'");
|
|
|
|
calendar.setTime(dateParser.parse(value));
|
|
|
|
calendar.add(Calendar.HOUR_OF_DAY, 12);
|
|
|
|
SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyyMMdd");
|
|
|
|
result = dateFormatter.format(calendar.getTime());
|
|
|
|
} catch (ParseException e) {
|
|
|
|
// ignore
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
2011-06-28 04:25:33 -04:00
|
|
|
|
|
|
|
/**
|
|
|
|
* Remove quotes if present on value.
|
2011-06-28 17:12:46 -04:00
|
|
|
*
|
2011-06-28 04:25:33 -04:00
|
|
|
* @param value input value
|
|
|
|
* @return unquoted string
|
|
|
|
*/
|
|
|
|
public static String removeQuotes(String value) {
|
|
|
|
String result = value;
|
2011-06-28 17:12:46 -04:00
|
|
|
if (result != null) {
|
|
|
|
if (result.startsWith("\"") || result.startsWith("{") || result.startsWith("(")) {
|
|
|
|
result = result.substring(1);
|
|
|
|
}
|
|
|
|
if (result.endsWith("\"") || result.endsWith("}") || result.endsWith(")")) {
|
|
|
|
result = result.substring(0, result.length() - 1);
|
|
|
|
}
|
2011-06-28 04:25:33 -04:00
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
2011-06-28 17:12:46 -04:00
|
|
|
|
2009-11-02 16:38:49 -05:00
|
|
|
}
|