froehlich 2002/06/12 09:48:49
Added: src/scratchpad/src/org/apache/cocoon/taglib/datetime
MonthsTag.java
Log:
applied patch from [EMAIL PROTECTED] .
JSP like Tag-Library Implementation
Revision Changes Path
1.1
xml-cocoon2/src/scratchpad/src/org/apache/cocoon/taglib/datetime/MonthsTag.java
Index: MonthsTag.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2002 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Apache Cocoon" and "Apache Software Foundation" must not be
used to endorse or promote products derived from this software without
prior written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
Stefano Mazzocchi <[EMAIL PROTECTED]>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.taglib.datetime;
import java.text.DateFormatSymbols;
import java.util.Locale;
import org.apache.cocoon.taglib.IterationTag;
import org.apache.cocoon.taglib.TagSupport;
import org.apache.cocoon.taglib.VarTagSupport;
import org.apache.cocoon.taglib.i18n.LocaleTag;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Tag <b>months</b>, used to loop through all the months of the year.
* <p>
* The script variable of name <b>var</b> is availble only within the
* body of the <b>months</b> tag.
*
* @author: <a href="mailto:[EMAIL PROTECTED]";>Volker Schmitt</a>
*/
public class MonthsTag extends VarTagSupport implements IterationTag {
private String[] short_months = null;
private String[] long_months = null;
private int month;
private int month_num;
/**
* Initializes tag so it can loop through the months of the year.
*
* @return EVAL_BODY
*/
public final int doStartTag(String namespaceURI, String localName, String qName,
Attributes atts) throws SAXException {
// Initialize variables
month = 0;
month_num = 1;
Locale locale = null;
LocaleTag localeTag = (LocaleTag) TagSupport.findAncestorWithClass(this,
LocaleTag.class);
if (localeTag != null) {
locale = localeTag.getLocale();
} else {
locale = Locale.getDefault();
}
DateFormatSymbols dfs = new DateFormatSymbols(locale);
short_months = dfs.getShortMonths();
long_months = dfs.getMonths();
// Make sure we skip any blank array elements
while (month < long_months.length && (long_months[month] == null ||
long_months[month].length() == 0)) {
month++;
}
if (month >= short_months.length)
return SKIP_BODY;
setVariable(var, this);
return EVAL_BODY;
}
/*
* @see Tag#doEndTag(String, String, String)
*/
public int doEndTag(String namespaceURI, String localName, String qName) throws
SAXException {
removeVariable(var);
return EVAL_PAGE;
}
/**
* Method called at end of each months tag.
*
* @return EVAL_BODY_TAG if there is another month, or SKIP_BODY if there are no
more months
*/
public final int doAfterBody() throws SAXException {
// See if we are done looping through months
month++;
month_num++;
if (month >= short_months.length)
return SKIP_BODY;
// Make sure we skip any blank array elements
while (month < long_months.length && (long_months[month] == null ||
long_months[month].length() == 0)) {
month++;
}
if (month >= short_months.length)
return SKIP_BODY;
// There is another month, so loop again
return EVAL_BODY_AGAIN;
}
/**
* Returns the short name of the month.
*
* @return String - short name of the month
*/
public final String getShortMonth() {
return short_months[month];
}
/**
* Returns the long name of the month.
*
* @return String - long name of the month
*/
public final String getMonth() {
return long_months[month];
}
/**
* Returns the number of the month.
*
* @return String - number of the month
*/
public final String getMonthOfYear() {
if (month_num < 10)
return "0" + month_num;
return "" + month_num;
}
/*
* @see Recyclable#recycle()
*/
public void recycle() {
this.short_months = null;
this.long_months = null;
super.recycle();
}
}
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