diff options
Diffstat (limited to 'org/apache/commons/net/ftp/parser/FTPTimestampParserImpl.java')
| -rw-r--r-- | org/apache/commons/net/ftp/parser/FTPTimestampParserImpl.java | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/org/apache/commons/net/ftp/parser/FTPTimestampParserImpl.java b/org/apache/commons/net/ftp/parser/FTPTimestampParserImpl.java deleted file mode 100644 index 02a0cc8..0000000 --- a/org/apache/commons/net/ftp/parser/FTPTimestampParserImpl.java +++ /dev/null @@ -1,301 +0,0 @@ -/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.apache.commons.net.ftp.parser;
-
-import java.text.DateFormatSymbols;
-import java.text.ParseException;
-import java.text.ParsePosition;
-import java.text.SimpleDateFormat;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.TimeZone;
-
-import org.apache.commons.net.ftp.Configurable;
-import org.apache.commons.net.ftp.FTPClientConfig;
-
-/**
- * Default implementation of the {@link FTPTimestampParser FTPTimestampParser}
- * interface also implements the {@link org.apache.commons.net.ftp.Configurable Configurable}
- * interface to allow the parsing to be configured from the outside.
- *
- * @see ConfigurableFTPFileEntryParserImpl
- * @since 1.4
- */
-public class FTPTimestampParserImpl implements
- FTPTimestampParser, Configurable
-{
-
-
- private SimpleDateFormat defaultDateFormat;
- private SimpleDateFormat recentDateFormat;
- private boolean lenientFutureDates = false;
-
-
- /**
- * The only constructor for this class.
- */
- public FTPTimestampParserImpl() {
- setDefaultDateFormat(DEFAULT_SDF);
- setRecentDateFormat(DEFAULT_RECENT_SDF);
- }
-
- /**
- * Implements the one {@link FTPTimestampParser#parseTimestamp(String) method}
- * in the {@link FTPTimestampParser FTPTimestampParser} interface
- * according to this algorithm:
- *
- * If the recentDateFormat member has been defined, try to parse the
- * supplied string with that. If that parse fails, or if the recentDateFormat
- * member has not been defined, attempt to parse with the defaultDateFormat
- * member. If that fails, throw a ParseException.
- *
- * This method allows a {@link Calendar} instance to be passed in which represents the
- * current (system) time.
- *
- * @see org.apache.commons.net.ftp.parser.FTPTimestampParser#parseTimestamp(java.lang.String)
- *
- * @param timestampStr The timestamp to be parsed
- */
- public Calendar parseTimestamp(String timestampStr) throws ParseException {
- Calendar now = Calendar.getInstance();
- return parseTimestamp(timestampStr, now);
- }
-
- /**
- * Implements the one {@link FTPTimestampParser#parseTimestamp(String) method}
- * in the {@link FTPTimestampParser FTPTimestampParser} interface
- * according to this algorithm:
- *
- * If the recentDateFormat member has been defined, try to parse the
- * supplied string with that. If that parse fails, or if the recentDateFormat
- * member has not been defined, attempt to parse with the defaultDateFormat
- * member. If that fails, throw a ParseException.
- *
- * @see org.apache.commons.net.ftp.parser.FTPTimestampParser#parseTimestamp(java.lang.String)
- * @param timestampStr The timestamp to be parsed
- * @param serverTime The current time for the server
- * @since 1.5
- */
- public Calendar parseTimestamp(String timestampStr, Calendar serverTime) throws ParseException {
- Calendar now = (Calendar) serverTime.clone();// Copy this, because we may change it
- now.setTimeZone(this.getServerTimeZone());
- Calendar working = (Calendar) now.clone();
- working.setTimeZone(getServerTimeZone());
- ParsePosition pp = new ParsePosition(0);
-
- Date parsed = null;
- if (recentDateFormat != null) {
- if (lenientFutureDates) {
- // add a day to "now" so that "slop" doesn't cause a date
- // slightly in the future to roll back a full year. (Bug 35181)
- now.add(Calendar.DATE, 1);
- }
- parsed = recentDateFormat.parse(timestampStr, pp);
- }
- if (parsed != null && pp.getIndex() == timestampStr.length())
- {
- working.setTime(parsed);
- working.set(Calendar.YEAR, now.get(Calendar.YEAR));
-
- if (working.after(now)) {
- working.add(Calendar.YEAR, -1);
- }
- } else {
- // Temporarily add the current year to the short date time
- // to cope with short-date leap year strings.
- // e.g. Java's DateFormatter will assume that "Feb 29 12:00" refers to
- // Feb 29 1970 (an invalid date) rather than a potentially valid leap year date.
- // This is pretty bad hack to work around the deficiencies of the JDK date/time classes.
- if (recentDateFormat != null) {
- pp = new ParsePosition(0);
- int year = now.get(Calendar.YEAR);
- String timeStampStrPlusYear = timestampStr + " " + year;
- SimpleDateFormat hackFormatter = new SimpleDateFormat(recentDateFormat.toPattern() + " yyyy",
- recentDateFormat.getDateFormatSymbols());
- hackFormatter.setLenient(false);
- hackFormatter.setTimeZone(recentDateFormat.getTimeZone());
- parsed = hackFormatter.parse(timeStampStrPlusYear, pp);
- }
- if (parsed != null && pp.getIndex() == timestampStr.length() + 5) {
- working.setTime(parsed);
- }
- else {
- pp = new ParsePosition(0);
- parsed = defaultDateFormat.parse(timestampStr, pp);
- // note, length checks are mandatory for us since
- // SimpleDateFormat methods will succeed if less than
- // full string is matched. They will also accept,
- // despite "leniency" setting, a two-digit number as
- // a valid year (e.g. 22:04 will parse as 22 A.D.)
- // so could mistakenly confuse an hour with a year,
- // if we don't insist on full length parsing.
- if (parsed != null && pp.getIndex() == timestampStr.length()) {
- working.setTime(parsed);
- } else {
- throw new ParseException(
- "Timestamp could not be parsed with older or recent DateFormat",
- pp.getIndex());
- }
- }
- }
- return working;
- }
-
- /**
- * @return Returns the defaultDateFormat.
- */
- public SimpleDateFormat getDefaultDateFormat() {
- return defaultDateFormat;
- }
- /**
- * @return Returns the defaultDateFormat pattern string.
- */
- public String getDefaultDateFormatString() {
- return defaultDateFormat.toPattern();
- }
- /**
- * @param defaultDateFormat The defaultDateFormat to be set.
- */
- private void setDefaultDateFormat(String format) {
- if (format != null) {
- this.defaultDateFormat = new SimpleDateFormat(format);
- this.defaultDateFormat.setLenient(false);
- }
- }
- /**
- * @return Returns the recentDateFormat.
- */
- public SimpleDateFormat getRecentDateFormat() {
- return recentDateFormat;
- }
- /**
- * @return Returns the recentDateFormat.
- */
- public String getRecentDateFormatString() {
- return recentDateFormat.toPattern();
- }
- /**
- * @param recentDateFormat The recentDateFormat to set.
- */
- private void setRecentDateFormat(String format) {
- if (format != null) {
- this.recentDateFormat = new SimpleDateFormat(format);
- this.recentDateFormat.setLenient(false);
- }
- }
-
- /**
- * @return returns an array of 12 strings representing the short
- * month names used by this parse.
- */
- public String[] getShortMonths() {
- return defaultDateFormat.getDateFormatSymbols().getShortMonths();
- }
-
-
- /**
- * @return Returns the serverTimeZone used by this parser.
- */
- public TimeZone getServerTimeZone() {
- return this.defaultDateFormat.getTimeZone();
- }
- /**
- * sets a TimeZone represented by the supplied ID string into all
- * of the parsers used by this server.
- * @param serverTimeZone Time Id java.util.TimeZone id used by
- * the ftp server. If null the client's local time zone is assumed.
- */
- private void setServerTimeZone(String serverTimeZoneId) {
- TimeZone serverTimeZone = TimeZone.getDefault();
- if (serverTimeZoneId != null) {
- serverTimeZone = TimeZone.getTimeZone(serverTimeZoneId);
- }
- this.defaultDateFormat.setTimeZone(serverTimeZone);
- if (this.recentDateFormat != null) {
- this.recentDateFormat.setTimeZone(serverTimeZone);
- }
- }
-
- /**
- * Implementation of the {@link Configurable Configurable}
- * interface. Configures this <code>FTPTimestampParser</code> according
- * to the following logic:
- * <p>
- * Set up the {@link FTPClientConfig#setDefaultDateFormatStr(java.lang.String) defaultDateFormat}
- * and optionally the {@link FTPClientConfig#setRecentDateFormatStr(String) recentDateFormat}
- * to values supplied in the config based on month names configured as follows:
- * </p><p><ul>
- * <li>If a {@link FTPClientConfig#setShortMonthNames(String) shortMonthString}
- * has been supplied in the <code>config</code>, use that to parse parse timestamps.</li>
- * <li>Otherwise, if a {@link FTPClientConfig#setServerLanguageCode(String) serverLanguageCode}
- * has been supplied in the <code>config</code>, use the month names represented
- * by that {@link FTPClientConfig#lookupDateFormatSymbols(String) language}
- * to parse timestamps.</li>
- * <li>otherwise use default English month names</li>
- * </ul></p><p>
- * Finally if a {@link org.apache.commons.net.ftp.FTPClientConfig#setServerTimeZoneId(String) serverTimeZoneId}
- * has been supplied via the config, set that into all date formats that have
- * been configured.
- * </p>
- */
- public void configure(FTPClientConfig config) {
- DateFormatSymbols dfs = null;
-
- String languageCode = config.getServerLanguageCode();
- String shortmonths = config.getShortMonthNames();
- if (shortmonths != null) {
- dfs = FTPClientConfig.getDateFormatSymbols(shortmonths);
- } else if (languageCode != null) {
- dfs = FTPClientConfig.lookupDateFormatSymbols(languageCode);
- } else {
- dfs = FTPClientConfig.lookupDateFormatSymbols("en");
- }
-
-
- String recentFormatString = config.getRecentDateFormatStr();
- if (recentFormatString == null) {
- this.recentDateFormat = null;
- } else {
- this.recentDateFormat = new SimpleDateFormat(recentFormatString, dfs);
- this.recentDateFormat.setLenient(false);
- }
-
- String defaultFormatString = config.getDefaultDateFormatStr();
- if (defaultFormatString == null) {
- throw new IllegalArgumentException("defaultFormatString cannot be null");
- }
- this.defaultDateFormat = new SimpleDateFormat(defaultFormatString, dfs);
- this.defaultDateFormat.setLenient(false);
-
- setServerTimeZone(config.getServerTimeZoneId());
-
- this.lenientFutureDates = config.isLenientFutureDates();
- }
- /**
- * @return Returns the lenientFutureDates.
- */
- boolean isLenientFutureDates() {
- return lenientFutureDates;
- }
- /**
- * @param lenientFutureDates The lenientFutureDates to set.
- */
- void setLenientFutureDates(boolean lenientFutureDates) {
- this.lenientFutureDates = lenientFutureDates;
- }
-}
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