/*
* ====================================================================
*
* Frame2 Open Source License
*
* Copyright (c) 2004-2007 Megatome Technologies. All rights
* reserved.
*
* 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.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by
* Megatome Technologies."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Frame2 Project", and "Frame2",
* must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact iamthechad@sourceforge.net.
*
* 5. Products derived from this software may not be called "Frame2"
* nor may "Frame2" appear in their names without prior written
* permission of Megatome Technologies.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 MEGATOME TECHNOLOGIES OR
* ITS 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.
* ====================================================================
*/
package org.megatome.frame2.taglib.html.el;
import java.util.Collection;
import javax.servlet.jsp.JspException;
import org.megatome.frame2.taglib.html.Constants;
/**
* OptionTag.java
*/
public class OptionTag extends BaseOptionTag {
private static final long serialVersionUID = 318231321674991160L;
@Override
public void setType() {
this._type = Constants.OPTION;
}
// NIT same as radiotag, refactor
@Override
protected void handleDisplayValueAttr() throws JspException {
if (this._displayExpr == null || this._displayExpr == "") { //$NON-NLS-1$
// Evaluate the remainder of this page
return;
}
try {
this._displayValue = evalStringAttr(Constants.DISPLAY_VALUE,
this._displayExpr);
} catch (Exception e) {
throw new JspException(" Evaluation attribute failed " //$NON-NLS-1$
+ e.getMessage(), e);
}
}
// nit get this into helper.
@Override
protected void handleSelectedAttr() throws JspException {
// get thr select attr
String selectExpr = (String)this.pageContext
.getAttribute(Constants.SELECT_KEY);
if ((selectExpr == null) || (selectExpr == "")) { //$NON-NLS-1$
selectExpr = this._selected;
}
// now get value
String valueExpr = getAttr(Constants.VALUE);
if (valueExpr == null || valueExpr == "" || selectExpr == null //$NON-NLS-1$
|| selectExpr == "") { //$NON-NLS-1$
return;
}
String valueval = null; // init diff of checkval
try {
valueval = evalStringAttr(Constants.VALUE, valueExpr);
} catch (Exception e) {
throw new JspException(" Evaluation attribute failed " //$NON-NLS-1$
+ e.getMessage(), e);
}
// see if this is a collection
Collection<?> collection = null;
try {
collection = evalCollectionAttr(Constants.SELECTED, selectExpr);
} catch (Exception e) {
// ignore, try array next;
}
Object[] array = null;
if (collection == null) {
try {
array = evalArrayAttr(Constants.SELECTED, selectExpr);
} catch (Exception e) {
// ignore, try string next;
}
}
// init "" for cmp with valueval later
String checkval = ""; //$NON-NLS-1$
if (collection == null && array == null) {
try {
checkval = evalStringAttr(Constants.SELECTED, selectExpr);
} catch (Exception e) {
throw new JspException(" Evaluation attribute failed " //$NON-NLS-1$
+ e.getMessage(), e);
}
}
if (collection != null) {
for (Object obj : collection) {
// NIT make work for all primitives
String val = (String)obj;
if (val.equals(valueval)) {
setAttr(Constants.SELECTED, Constants.NULL_VALUE);
break;
}
}
} else if (array != null) {
int len = array.length;
for (int i = 0; i < len; i++) {
// NIT make work for all primitives
String val = (String)array[i];
if (val.equals(valueval)) {
setAttr(Constants.SELECTED, Constants.NULL_VALUE);
break;
}
}
} else {
if (checkval.equals(valueval)) {
setAttr(Constants.SELECTED, Constants.NULL_VALUE);
}
}
}
/**
* Returns if tag has body or not
* @return boolean
*/
@Override
public boolean evalTagBody() {
if (this._displayValue == null || this._displayValue.equals("")) { //$NON-NLS-1$
return false;
}
return true;
}
/**
* Appends _displayValue String
* @param StringBuffer
*/
@Override
public void getBody(StringBuffer buffer) {
if (this._displayValue != null) {
buffer.append(this._displayValue);
}
}
/**
* Appends end Element Close
* @param StringBuffer
*/
@Override
public void getEndElementClose(StringBuffer buffer) {
buffer.append(Constants.OPTION_CLOSE);
}
}