/*
?*?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.taglibs.standard.tag.compat.core;

import?java.util.Collections;

import?javax.el.Valueexpression;
import?javax.servlet.jsp.JspException;

import?org.apache.taglibs.standard.tag.common.core.ForEachSupport;
import?org.apache.taglibs.standard.util.expressionUtil;

/**
?*?JSTL?1.0?compatible?implementation?of?<foreach>?that?uses?JSP?EL?support.
?*/
public?class?ForEachTag?extends?ForEachSupport?{

????private?Valueexpression?beginexpression;
????private?Valueexpression?endexpression;
????private?Valueexpression?stepexpression;
????private?Valueexpression?itemsexpression;

????public?ForEachTag（）?{
????}

????@Override
????public?void?release（）?{
????????beginexpression?=?null;
????????endexpression?=?null;
????????stepexpression?=?null;
????????itemsexpression?=?null;
????????super.release（）;
????}

????@Override
????public?int?doStartTag（）?throws?JspException?{
????????if?（beginSpecified）?{
????????????begin?=?（Integer）?beginexpression.getValue（pageContext.getELContext（））;
????????????validateBegin（）;
????????}
????????if?（endSpecified）?{
????????????end?=?（Integer）?endexpression.getValue（pageContext.getELContext（））;
????????????validateEnd（）;
????????}
????????if?（stepSpecified）?{
????????????step?=?（Integer）?stepexpression.getValue（pageContext.getELContext（））;
????????????validateStep（）;
????????}
????????if?（itemsexpression?!=?null）?{
????????????rawItems?=?itemsexpression.getValue（pageContext.getELContext（））;
????????????if?（rawItems?==?null）?{
????????????????rawItems?=?Collections.emptyList（）;
????????????}
????????}
????????return?super.doStartTag（）;
????}

????public?void?setBegin（String?begin）?{
????????beginexpression?=?expressionUtil.createValueexpression（pageContext?begin?Integer.TYPE）;
????????beginSpecified?=?true;
????}

????public?void?setEnd（String?end）?{
????????endexpression?=?expressionUtil.createValueexpression（pageContext?end?Integer.TYPE）;
????????endSpecified?=?true;
????}

????public?void?setStep（String?step）?{
????????stepexpression?=?expressionUtil.createValueexpression（pageContext?step?Integer.TYPE）;
????????stepSpecified?=?true;
????}

????public?void?setItems（String?items）?{
????????itemsexpression?=?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\build-tools\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\build-tools\src\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\build-tools\src\main\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\build-tools\src\main\resources\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\build-tools\src\main\resources\taglibs\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\org\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\org\apache\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\org\apache\taglibs\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\org\apache\taglibs\standard\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\org\apache\taglibs\standard\tag\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\org\apache\taglibs\standard\tag\compat\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\compat\src\main\java\org\apache\taglibs\standard\tag\compat\core\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\standard\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\standard\functions\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\standard\resources\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\standard\tag\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\standard\tag\common\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\standard\tag\common\core\
?????目錄???????????0??2013-11-13?18:47??taglibs-standard-1.2.1\impl\src\main\java\org\apache\taglibs\standard\tag\common\fmt\
............此處省略457個文件信息