/*
* $Id: ELIncludeTag.java 471754 2006-11-06 14:55:09Z husted $
*
* 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.strutsel.taglib.bean;
import org.apache.struts.taglib.bean.IncludeTag;
import org.apache.strutsel.taglib.utils.EvalHelper;
import javax.servlet.jsp.JspException;
/**
* Generate a URL-encoded include to the specified URI. <p> This class is a
* subclass of the class <code>org.apache.struts.taglib.bean.IncludeTag</code>
* which provides most of the described functionality. This subclass allows
* all attribute values to be specified as expressions utilizing the
* JavaServer Pages Standard Library expression language.
*
* @version $Rev: 471754 $
*/
public class ELIncludeTag extends IncludeTag {
/**
* Instance variable mapped to "anchor" tag attribute. (Mapping set in
* associated BeanInfo class.)
*/
private String anchorExpr;
/**
* Instance variable mapped to "forward" tag attribute. (Mapping set in
* associated BeanInfo class.)
*/
private String forwardExpr;
/**
* Instance variable mapped to "href" tag attribute. (Mapping set in
* associated BeanInfo class.)
*/
private String hrefExpr;
/**
* Instance variable mapped to "id" tag attribute. (Mapping set in
* associated BeanInfo class.)
*/
private String idExpr;
/**
* Instance variable mapped to "page" tag attribute. (Mapping set in
* associated BeanInfo class.)
*/
private String pageExpr;
/**
* Instance variable mapped to "transaction" tag attribute. (Mapping set
* in associated BeanInfo class.)
*/
private String transactionExpr;
/**
* Getter method for "anchor" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public String getAnchorExpr() {
return (anchorExpr);
}
/**
* Getter method for "forward" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public String getForwardExpr() {
return (forwardExpr);
}
/**
* Getter method for "href" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public String getHrefExpr() {
return (hrefExpr);
}
/**
* Getter method for "id" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public String getIdExpr() {
return (idExpr);
}
/**
* Getter method for "page" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public String getPageExpr() {
return (pageExpr);
}
/**
* Getter method for "transaction" tag attribute. (Mapping set in
* associated BeanInfo class.)
*/
public String getTransactionExpr() {
return (transactionExpr);
}
/**
* Setter method for "anchor" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public void setAnchorExpr(String anchorExpr) {
this.anchorExpr = anchorExpr;
}
/**
* Setter method for "forward" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public void setForwardExpr(String forwardExpr) {
this.forwardExpr = forwardExpr;
}
/**
* Setter method for "href" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public void setHrefExpr(String hrefExpr) {
this.hrefExpr = hrefExpr;
}
/**
* Setter method for "id" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public void setIdExpr(String idExpr) {
this.idExpr = idExpr;
}
/**
* Setter method for "page" tag attribute. (Mapping set in associated
* BeanInfo class.)
*/
public void setPageExpr(String pageExpr) {
this.pageExpr = pageExpr;
}
/**
* Setter method for "transaction" tag attribute. (Mapping set in
* associated BeanInfo class.)
*/
public void setTransactionExpr(String transactionExpr) {
this.transactionExpr = transactionExpr;
}
/**
* Resets attribute values for tag reuse.
*/
public void release() {
super.release();
setAnchorExpr(null);
setForwardExpr(null);
setHrefExpr(null);
setIdExpr(null);
setPageExpr(null);
setTransactionExpr(null);
}
/**
* Process the start tag.
*
* @throws JspException if a JSP exception has occurred
*/
public int doStartTag() throws JspException {
evaluateExpressions();
return (super.doStartTag());
}
/**
* Processes all attribute values which use the JSTL expression evaluation
* engine to determine their values.
*
* @throws JspException if a JSP exception has occurred
*/
private void evaluateExpressions()
throws JspException {
String string = null;
Boolean bool = null;
if ((string =
EvalHelper.evalString("anchor", getAnchorExpr(), this,
pageContext)) != null) {
setAnchor(string);
}
if ((string =
EvalHelper.evalString("forward", getForwardExpr(), this,
pageContext)) != null) {
setForward(string);
}
if ((string =
EvalHelper.evalString("href", getHrefExpr(), this, pageContext)) != null) {
setHref(string);
}
if ((string =
EvalHelper.evalString("id", getIdExpr(), this, pageContext)) != null) {
setId(string);
}
if ((string =
EvalHelper.evalString("page", getPageExpr(), this, pageContext)) != null) {
setPage(string);
}
if ((bool =
EvalHelper.evalBoolean("transaction", getTransactionExpr(),
this, pageContext)) != null) {
setTransaction(bool.booleanValue());
}
}
}