Java/JSP/Component
Print a month page
<source lang="java">
/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002. * All rights reserved. Software written by Ian F. Darwin and others. * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $ * * Redistribution and use in source and binary forms, with or without * modification, 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS"" * AND ANY EXPRESS 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 AUTHOR OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, 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. * * Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee * cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s, * pioneering role in inventing and promulgating (and standardizing) the Java * language and environment is gratefully acknowledged. * * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for * inventing predecessor languages C and C++ is also gratefully acknowledged. */
<%@page import="java.util.*,java.text.*" %> <head>
<title>Print a month page.</title> <meta name="version" content="$Id: CalendarPage.jsp,v 1.6 2004/02/09 03:33:53 ian Exp $">
</head> <body bgcolor="white">
Print a month page, for the Western calendar.
Author Ian F. Darwin, http://www.darwinsys.ru/ <% // First get the month and year from the form. boolean yyok = false; // -1 is a valid year, use boolean int yy = 0, mm = 0; String yyString = request.getParameter("year"); if (yyString != null && yyString.length() > 0) { try { yy = Integer.parseInt(yyString); yyok = true; } catch (NumberFormatException e) { out.println("Year " + yyString + " invalid"); } } Calendar c = Calendar.getInstance(); if (!yyok) yy = c.get(Calendar.YEAR); String mmString = request.getParameter("month"); if (mmString == null) { mm = c.get(Calendar.MONTH); } else { for (int i=0; i<months.length; i++) if (months[i].equals(mmString)) { mm = i; break; } } %> <form method=post action="CalendarPage.jsp"> Month: <select name=month> <% for (int i=0; i<months.length; i++) { if (i==mm) out.print("<option selected>"); else out.print("<option>"); out.print(months[i]); out.println("</option>"); } %> </select> Year (4-digit): <input type="text" size="5" name="year" value="<%= yy %>"></input> <input type=submit value="Display"> </form> <%! /** The names of the months */ String[] months = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }; /** The days in each month. */ int dom[] = { 31, 28, 31, 30, /* jan feb mar apr */ 31, 30, 31, 31, /* may jun jul aug */ 30, 31, 30, 31 /* sep oct nov dec */ }; %> <% /** The number of days to leave blank at the start of this month */ int leadGap = 0; %>
<%= months[mm] %> <%= yy %> | ||||||
---|---|---|---|---|---|---|
Su | Mo | Tu | We | Th | Fr | Sa |
");
} // Fill in numbers for the day of month. for (int i = 1; i <= daysInMonth; i++) {out.print(" | ");
out.print(i);out.print(" | ");
if ((leadGap + i) % 7 == 0) { // wrap if end of line.
out.println("|||||
</source>