org.opencms.jsp.util.A_CmsJspValueWrapper Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.jsp.util;
import java.util.Date;
/**
* Common value wrapper class for XML content values and element setting values.
*/
abstract class A_CmsJspValueWrapper {
/**
* Returns if the value has been configured.
*
* @return true if the value has been configured
*/
public abstract boolean getExists();
/**
* Returns true in case the value is empty, that is either null or an empty String.
*
* @return true in case the value is empty
*/
public abstract boolean getIsEmpty();
/**
* Returns true in case the value is empty or whitespace only,
* that is either null or String that contains only whitespace chars.
*
* @return true in case the value is empty or whitespace only
*/
public abstract boolean getIsEmptyOrWhitespaceOnly();
/**
* Returns true in case the value exists and is not empty.
*
* @return true in case the value exists and is not empty
*/
public abstract boolean getIsSet();
/**
* Parses the value to boolean.
*
* @return the boolean value
*/
public boolean getToBoolean() {
return Boolean.parseBoolean(getToString());
}
/**
* Converts a time stamp to a date.
*
* @return the date
*/
public Date getToDate() {
return CmsJspElFunctions.convertDate(getToString());
}
/**
* Parses the value to a Double.
*
* @return the Double value
*/
public Double getToFloat() {
return new Double(Double.parseDouble(getToString()));
}
/**
* Parses the value to a Long.
*
* @return the Long value
*/
public Long getToInteger() {
return new Long(Long.parseLong(getToString()));
}
/**
* Returns the string value.
*
* @return the string value
*/
public String getToString() {
return toString();
}
}