解答例 - 実習課題３ - ２３．Tiles タグライブラリ２

2006.02.21　株式会社四次元データ　廣澤啓史

（実習課題３）

２０章の実習課題１の Web アプリケーションを改良しなさい。

Tiles 設定ファイルを使用しないこと。

解答例

▼ディレクトリ構成は以下の通り

.
└─WEB-INF　　　　　　　　　　　　　　web.xml,struts-config.xml
    ├─classes
    │  └─com
    │      └─techscore
    │          └─struts　　　　　　 EncodingFilter.class（2章 実習課題2と同じ）,
    │             │    　　　　　　  MessageResources.properties(空ファイル)
    │             └─chapter20
    │             │   └─exercise1　CalendarTag.class(20章　実習課題1と同じ）
    │             │
    │             └─chapter23   　     
    │                  └─exercise3　SelectMenuController.class,SelectMenuForm.class
    │          
    ├─JSP
    │  └─com
    │      └─techscore
    │          └─struts
    │              └─chapter23
    │                  └─exercise3　calendar.jsp,calendarPlus.jsp,clock.jsp,weather.jsp
    │                                 tilesConf1.jsp.jsp,tilesConf2.jsp.jsp,tilesConf3.jsp
    ├─lib　　　　　　　　　　　　　　strutsライブラリ jarファイル
    └─tld　　　　　　　　　　　　　　original.tld(20章　実習課題1と同じ）
                                       struts-tiles.tld,struts-html.tld,struts-logic.tld,struts-bean.tld



※strutsライブラリjarファイル
　　struts.jar,commons-beanutils.jar,commons-collections.jar,commons-digester.jar,commons-logging.jar,jakarta-oro.jar

<!-- calendar.jsp -->
<!-- TECHSCORE Java JakartaStruts 23章 実習課題3 -->
<!-- Copyright (c) 2004 Four-Dimensional Data, Inc. -->

<%@ page pageEncoding="Windows-31J"
         import="java.util.Calendar" %>

<%@ taglib uri="http://www.4dd.co.jp/tags/original"
    prefix="original" %>

<h2 align="center">カレンダー</h2>

<% Calendar calendar = Calendar.getInstance(); %>

<original:Calendar year="<%=Integer.toString(calendar.get(Calendar.YEAR)) %>"
                   month="<%=Integer.toString(calendar.get(Calendar.MONTH) + 1) %>" />

<!-- calendarPlus.jsp -->
<!-- TECHSCORE Java JakartaStruts 23章 実習課題3 -->
<!-- Copyright (c) 2004 Four-Dimensional Data, Inc. -->

<%@ page contentType="text/html; charset=Windows-31J"
         session="false" 
         pageEncoding="Windows-31J" %>

<%@ taglib uri="http://jakarta.apache.org/struts/tags-html"
           prefix="html" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-bean"
           prefix="bean" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-logic"
           prefix="logic" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-tiles"
           prefix="tiles" %>

<html:html>
<head><title>TECHSCORE Java JakartaStruts 23章 実習課題3</title></head>
<body>

<table border="1" width="100%">
    <tr>
        <!-- メニュー部分-->
        <td align="center" width="30%">
            <h3>MENU</h3>

            <tiles:importAttribute name="link1" />
            <bean:define id="linkPath1" name="link1" property="value" type="java.lang.String"/>
                <p><html:link page="<%=linkPath1 %>" >
            <tiles:importAttribute name="name1" />
                <bean:write name="name1" />
                </html:link></p>

            <tiles:importAttribute name="link2" />
            <bean:define id="linkPath2" name="link2" property="value" type="java.lang.String"/>
                <p><html:link page="<%=linkPath2 %>" >
            <tiles:importAttribute name="name2" />
                <bean:write name="name2" />
                </html:link></p>

        </td>
        <!-- コンテンツ部分-->
        <td align="center">
            <tiles:insert attribute="content" />
        </td>
    </tr>
</table>

</body>
</html:html>

<!-- clock.jsp -->
<!-- TECHSCORE Java JakartaStruts 23章 実習課題3 -->
<!-- Copyright (c) 2004 Four-Dimensional Data, Inc. -->

<%@ page pageEncoding="Windows-31J"
         import="java.text.DateFormat,
                  java.text.SimpleDateFormat,
                  java.util.Date,
                  java.util.TimeZone" %>

<%@ taglib uri="http://jakarta.apache.org/struts/tags-bean"
           prefix="bean" %>
<%@ taglib uri="http://jakarta.apache.org/struts/tags-logic"
           prefix="logic" %>

<%  String[] cities = {"Japan",
 		                   "America/Los-Angeles",
 		                   "America/New_York",
 		                   "Europe/Moscow",
 		                   "Pacific/Saipan"}; %>

<h2 align="center">世界時計</h2>

<%  DateFormat dateFormat = new SimpleDateFormat("MM/dd HH:mm:ss"); %>
<table border="1" width="100%">
    <logic:iterate collection="<%=cities %>" id="city" indexId="index">
        <tr><td align="center">
                <bean:write name="city" />
            </td>
            <td align="center">
                <bean:define id="zoneName" name="city" type="java.lang.String" />
                <% dateFormat.setTimeZone(TimeZone.getTimeZone(zoneName)); %>
                <%= dateFormat.format(new Date()) %>
            </td></tr>
    </logic:iterate>
</table>

<!-- weather.jsp -->
<!-- TECHSCORE Java JakartaStruts 23章 実習課題3 -->
<!-- Copyright (c) 2004 Four-Dimensional Data, Inc. -->

<%@ page pageEncoding="Windows-31J" %>

<h2 align="center">天気予報</h2>

<table border="1" width="100%">
    <tr><td align="center">Tokyo</td><td align="center">晴れ</td></tr>
    <tr><td align="center">Los-Angeles</td><td align="center">晴れ時々曇り</td></tr>
    <tr><td align="center">New_York</td><td align="center">雨のち曇り</td></tr>
    <tr><td align="center">Moscow</td><td align="center">曇りのち晴れ</td></tr>
    <tr><td align="center">Saipan</td><td align="center">晴れのち曇り</td></tr>
</table>

<!-- tilesConf1.jsp -->
<!-- TECHSCORE Java JakartaStruts 23セマ シツスャインツ・ -->
<!-- Copyright (c) 2004 Four-Dimensional Data, Inc. -->

<%@ page contentType="text/html; charset=Windows-31J"
         session="false" 
         pageEncoding="Windows-31J" %>

<%@ taglib uri="http://jakarta.apache.org/struts/tags-tiles"
           prefix="tiles" %>

<tiles:definition id="calendar233-1" 
            page="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/calendarPlus.jsp">
    <tiles:put name="content" value="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/calendar.jsp" />
    <tiles:put name="link1" value="/com/techscore/struts/chapter23/exercise3/CalendarPlus_clock.do" type="String"/>
	<tiles:put name="link2" value="/com/techscore/struts/chapter23/exercise3/CalendarPlus_weather.do"  type="String" />
	<tiles:put name="name1" value="世界時計" />
	<tiles:put name="name2" value="天気予報" />
</tiles:definition>

<tiles:insert beanName="calendar233-1" flush="true" />

<!-- tilesConf2.jsp -->
<!-- TECHSCORE Java JakartaStruts 23章 実習課題3 -->
<!-- Copyright (c) 2004 Four-Dimensional Data, Inc. -->

<%@ page contentType="text/html; charset=Windows-31J"
         session="false" 
         pageEncoding="Windows-31J" %>

<%@ taglib uri="http://jakarta.apache.org/struts/tags-tiles"
           prefix="tiles" %>

<tiles:definition id="calendar233-2"
            page="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/calendarPlus.jsp">
    <tiles:put name="content" value="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/clock.jsp" />
    <tiles:put name="link1" value="/com/techscore/struts/chapter23/exercise3/CalendarPlus_calendar.do" type="String"/>
    <tiles:put name="link2" value="/com/techscore/struts/chapter23/exercise3/CalendarPlus_weather.do"  type="String" />
    <tiles:put name="name1" value="カレンダー" />
    <tiles:put name="name2" value="天気予報" />
</tiles:definition>

<tiles:insert beanName="calendar233-2" flush="true" />

<!-- tilesConf3.jsp -->
<!-- TECHSCORE Java JakartaStruts 23章 実習課題3 -->
<!-- Copyright (c) 2004 Four-Dimensional Data, Inc. -->

<%@ page contentType="text/html; charset=Windows-31J"
         session="false"
         pageEncoding="Windows-31J" %>

<%@ taglib uri="http://jakarta.apache.org/struts/tags-tiles"
           prefix="tiles" %>

<tiles:definition id="calendar233-3"
            page="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/calendarPlus.jsp">
    <tiles:put name="content" value="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/weather.jsp" />
    <tiles:put name="link1" value="/com/techscore/struts/chapter23/exercise3/CalendarPlus_calendar.do" type="String"/>
    <tiles:put name="link2" value="/com/techscore/struts/chapter23/exercise3/CalendarPlus_clock.do"  type="String" />
    <tiles:put name="name1" value="カレンダー" />
    <tiles:put name="name2" value="世界時計" />
</tiles:definition>

<tiles:insert beanName="calendar233-3" flush="true" />

▼struts-config.xml

<?xml version="1.0" encoding="Windows-31J" ?>
<!DOCTYPE struts-config PUBLIC
  "-//Apache Software Foundation//DTD Struts Configuration 1.1//EN"
  "http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">

<struts-config>

    <action-mappings>

		<action path="/com/techscore/struts/chapter23/exercise3/CalendarPlus_calendar" 
			    type="org.apache.struts.actions.ForwardAction" 
			    parameter="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/tilesConf1.jsp"/>
			
		<action path="/com/techscore/struts/chapter23/exercise3/CalendarPlus_clock" 
			    type="org.apache.struts.actions.ForwardAction" 
			    parameter="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/tilesConf2.jsp"/>
			
		<action path="/com/techscore/struts/chapter23/exercise3/CalendarPlus_weather" 
			    type="org.apache.struts.actions.ForwardAction" 
			    parameter="/WEB-INF/JSP/com/techscore/struts/chapter23/exercise3/tilesConf3.jsp"/>
			
    </action-mappings>

    <message-resources parameter="com.techscore.struts.MessageResources" />

    <plug-in className="org.apache.struts.tiles.TilesPlugin">
        <set-property property="definitions-config"
                      value="/WEB-INF/tiles-defs.xml" />
    </plug-in>

</struts-config>

▼起動URLは以下の通り

WEB_ROOT/com/techscore/struts/chapter23/exercise3/CalendarPlus_calendar.do

EncodingFilter.javaの参照（2章の実習課題2と同じ）

CalendarTag.javaの参照（20章の実習課題1と同じ）

original.tldの参照（20章の実習課題1と同じ）

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