org.apache.taglibs.standard.tag.common.sql.DateParamTagSupport Maven / Gradle / Ivy
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/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
*
* Portions Copyright Apache Software Foundation.
*/
package org.apache.taglibs.standard.tag.common.sql;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.jstl.sql.SQLExecutionTag;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.taglibs.standard.resources.Resources;
/**
* Tag handler for <Param> in JSTL, used to set
* parameter values for a SQL statement.
*
* @author Justyna Horwat
*/
public abstract class DateParamTagSupport extends TagSupport {
//*********************************************************************
// Private constants
private static final String TIMESTAMP_TYPE = "timestamp";
private static final String TIME_TYPE = "time";
private static final String DATE_TYPE = "date";
//*********************************************************************
// Protected state
protected String type;
protected java.util.Date value;
//*********************************************************************
// Constructor
public DateParamTagSupport() {
super();
init();
}
private void init() {
value = null;
type = null;
}
//*********************************************************************
// Tag logic
public int doEndTag() throws JspException {
SQLExecutionTag parent = (SQLExecutionTag)
findAncestorWithClass(this, SQLExecutionTag.class);
if (parent == null) {
throw new JspTagException(
Resources.getMessage("SQL_PARAM_OUTSIDE_PARENT"));
}
if (value != null) {
convertValue();
}
parent.addSQLParameter(value);
return EVAL_PAGE;
}
//*********************************************************************
// Private utility methods
private void convertValue() throws JspException {
if ((type == null) || (type.equalsIgnoreCase(TIMESTAMP_TYPE))) {
if (!(value instanceof java.sql.Timestamp)) {
value = new java.sql.Timestamp(value.getTime());
}
} else if (type.equalsIgnoreCase(TIME_TYPE)) {
if (!(value instanceof java.sql.Time)) {
value = new java.sql.Time(value.getTime());
}
} else if (type.equalsIgnoreCase(DATE_TYPE)) {
if (!(value instanceof java.sql.Date)) {
value = new java.sql.Date(value.getTime());
}
} else {
throw new JspException(
Resources.getMessage("SQL_DATE_PARAM_INVALID_TYPE", type));
}
}
}