解答例 - 実習課題3 - 13.validatorで提供されている検証ルール
(実習課題3)
実習課題2のWebアプリケーションと同じものを、maskルールを用いて作成しなさい。
解答例
▼ディレクトリ構成は以下の通り
. └─WEB-INF web.xml(実習課題1と同じ),struts-config.xml,validation.xml, │ validator-rules.xml(Strutsで提供されているものそのまま) ├─classes │ └─com │ └─techscore │ └─struts EncodingFilter.class(2章 実習課題2と同じ), │ │ MessageResources.properties │ └─chapter13 │ └─exercise3 RuleCheckForm.class ├─JSP │ └─com │ └─techscore │ └─struts │ └─chapter13 │ └─exercise3 inputTest.jsp,outputTest.jsp ├─lib strutsライブラリjarファイル └─tld struts-html.tld,struts-nested.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
/** * RuleCheckForm.java * TECHSCORE Java JakartaStruts 13章 実習課題3 * * Copyright (c) 2004 Four-Dimensional Data, Inc. * */ package com.techscore.struts.chapter13.exercise3; import org.apache.struts.validator.ValidatorActionForm; public class RuleCheckForm extends ValidatorActionForm{ private String testString = ""; private int testInt = 0; public void setTestString(String testString){ this.testString = testString; } public String getTestString(){ return testString; } public void setTestInt(int testInt){ this.testInt = testInt; } public int getTestInt(){ return testInt; } }
<!-- inputTest.jsp --> <!-- TECHSCORE Java JakartaStruts 13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" %> <html> <head><title>TECHSCORE Java JakartaStruts 13章 実習課題3</title></head> <body> <h2>テストデータ入力</h2> <p>どちらも数字を入力し、登録ボタンを押してください。</p> <html:form action="/com/techscore/struts/chapter13/exercise3/OutputTest.do" method="post"> <table> <tr><th>String</th> <td><html:text property="testString" /></td> <td><html:errors property="testString" /></td></tr> <tr><th>int</th> <td><html:text property="testInt" /></td> <td><html:errors property="testInt" /></td></tr> </table> <p><html:submit value="登録" /></p> </html:form> <p>※Stringは3文字以内、intは3桁以上のみ登録可能です。</p> </body> </html>
<!-- outputTest.jsp --> <!-- TECHSCORE Java JakartaStruts 13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-nested" prefix="nested" %> <html> <head><title>TECHSCORE Java JakartaStruts 13章 実習課題3</title></head> <body> <h2>テストデータ入力</h2> <p>登録されたデータは以下の通りです</p> <table border="2"> <tr><th>String</th> <td><nested:root name="ruleCheckForm133"><nested:write scope="request" property="testString" /></td></tr> <tr><th>int</th> <td><nested:write scope="request" property="testInt" /></nested:root></td></tr> </table> <p><html:link action="/com/techscore/struts/chapter13/exercise3/InputTest">入力に戻る</html:link></p> </body> </html>
▼MessageResources.properties
testString.maskError=String mask error testInt.maskError=int mask error
▼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> <form-beans> <form-bean name="ruleCheckForm133" type="com.techscore.struts.chapter13.exercise3.RuleCheckForm" /> </form-beans> <action-mappings> <action path="/com/techscore/struts/chapter13/exercise3/InputTest" forward="/WEB-INF/JSP/com/techscore/struts/chapter13/exercise3/inputTest.jsp" /> <action path="/com/techscore/struts/chapter13/exercise3/OutputTest" name="ruleCheckForm133" scope="request" validate="true" input="/WEB-INF/JSP/com/techscore/struts/chapter13/exercise3/inputTest.jsp" forward="/WEB-INF/JSP/com/techscore/struts/chapter13/exercise3/outputTest.jsp" /> </action-mappings> <message-resources parameter="com.techscore.struts.MessageResources" /> <plug-in className="org.apache.struts.validator.ValidatorPlugIn"> <set-property property="pathnames" value="/WEB-INF/validator-rules.xml, /WEB-INF/validation.xml" /> </plug-in> </struts-config>
▼validation.xml
<?xml version="1.0" encoding="Windows-31J" ?> <!DOCTYPE form-validation PUBLIC "-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.0//EN" "http://jakarta.apache.org/commons/dtds/validator_1_0.dtd"> <form-validation> <formset> <form name="/com/techscore/struts/chapter13/exercise3/OutputTest"> <field property="testString" depends="mask"> <msg name="mask" key="testString.maskError" /> <var> <var-name>mask</var-name> <var-value>^[0-9]{1,3}$</var-value> </var> </field> <field property="testInt" depends="mask"> <msg name="mask" key="testInt.maskError" /> <var> <var-name>mask</var-name> <var-value>^[0-9]{3,}$</var-value> </var> </field> </form> </formset> </form-validation>
▼起動URLは以下の通り
WEB_ROOT/com/techscore/struts/chapter13/exercise3/InputTest.do
EncodingFilter.javaの参照(2章の実習課題2と同じ)