Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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.el.sql;
import javax.servlet.jsp.JspException;
import org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager;
import org.apache.taglibs.standard.tag.common.sql.QueryTagSupport;
/**
* Subclass for the JSTL library with EL support.
*
* @author Hans Bergsten
* @author Justyna Horwat
*/
public class QueryTag extends QueryTagSupport {
private String dataSourceEL;
private String sqlEL;
private String startRowEL;
private String maxRowsEL;
//*********************************************************************
// Constructor
/**
* Constructs a new QueryTag. As with TagSupport, subclasses
* should not provide other constructors and are expected to call
* the superclass constructor
*/
public QueryTag() {
super();
}
//*********************************************************************
// Accessor methods
public void setDataSource(String dataSourceEL) {
this.dataSourceEL = dataSourceEL;
this.dataSourceSpecified = true;
}
/**
* The index of the first row returned can be
* specified using startRow.
*/
public void setStartRow(String startRowEL) {
this.startRowEL = startRowEL;
}
/**
* Query result can be limited by specifying
* the maximum number of rows returned.
*/
public void setMaxRows(String maxRowsEL) {
this.maxRowsEL = maxRowsEL;
this.maxRowsSpecified = true;
}
/**
* Setter method for the SQL statement to use for the
* query. The statement may contain parameter markers
* (question marks, ?). If so, the parameter values must
* be set using nested value elements.
*/
public void setSql(String sqlEL) {
this.sqlEL = sqlEL;
}
public int doStartTag() throws JspException {
evaluateExpressions();
return super.doStartTag();
}
//*********************************************************************
// Private utility methods
// Evaluates expressions as necessary
private void evaluateExpressions() throws JspException {
Integer tempInt = null;
if (dataSourceEL != null) {
rawDataSource = (Object) ExpressionEvaluatorManager.evaluate(
"dataSource", dataSourceEL, Object.class, this, pageContext);
}
if (sqlEL != null) {
sql = (String) ExpressionEvaluatorManager.evaluate("sql", sqlEL,
String.class, this, pageContext);
}
if (startRowEL != null) {
tempInt = (Integer) ExpressionEvaluatorManager.evaluate(
"startRow", startRowEL, Integer.class, this, pageContext);
if (tempInt != null)
startRow = tempInt.intValue();
}
if (maxRowsEL != null) {
tempInt = (Integer) ExpressionEvaluatorManager.evaluate(
"maxRows", maxRowsEL, Integer.class, this, pageContext);
if (tempInt != null)
maxRows = tempInt.intValue();
}
}
}