/*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Kowari Metadata Store.
*
* The Initial Developer of the Original Code is Plugged In Software Pty
* Ltd (http://www.pisoftware.com, mailto:info@pisoftware.com). Portions
* created by Plugged In Software Pty Ltd are Copyright (C) 2001,2002
* Plugged In Software Pty Ltd. All Rights Reserved.
*
* Contributor(s): N/A.
*
* [NOTE: The text of this Exhibit A may differ slightly from the text
* of the notices in the Source Code files of the Original Code. You
* should use the text of this Exhibit A rather than the text found in the
* Original Code Source Code for Your Modifications.]
*
*/
package org.mulgara.tag;
// standard java packages
import java.net.MalformedURLException;
import java.net.URL;
import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
/**
* Validates attributes for the {@link InitTag} tag.
*
* @created 2001-11-07
*
* @author Tom Adams
*
* @version $Revision: 1.9 $
*
* @modified $Date: 2005/01/05 04:59:09 $ by $Author: newmana $
*
* @company <a href="mailto:info@PIsoftware.com">Plugged In Software</a>
*
* @copyright ©2001 <a href="http://www.pisoftware.com/">Plugged In
* Software Pty Ltd</a>
*
* @licence <a href="{@docRoot}/../../LICENCE">Mozilla Public License v1.1</a>
*/
public class InitTEI extends TagExtraInfo {
/**
* Validates the run-time attribute values of the init tag.
*
* @param data run-time attributes of the init tag
* @return The Valid value
*/
public boolean isValid(TagData data) {
// assume the tag is valid
boolean valid = true;
// validate the server attribute
Object server = data.getAttribute(InitTag.ATTR_SERVER);
if ( (server != null) && (server != TagData.REQUEST_TIME_VALUE)) {
try {
// try to convert it to a URL
new URL( (String) server);
}
catch (MalformedURLException e) {
valid = false;
}
// try-catch
}
// end if
// only continue if the server parameter validated
if (valid) {
// validate the scope attribute
Object scope = data.getAttribute(InitTag.ATTR_SCOPE);
if ( (scope != null) && (scope != TagData.REQUEST_TIME_VALUE)) {
// check each value the attribute can take
if (! ( ( (String) scope).equalsIgnoreCase(InitTag.PAGE_SCOPE)) &&
! ( ( (String) scope).equalsIgnoreCase(InitTag.REQUEST_SCOPE)) &&
! ( ( (String) scope).equalsIgnoreCase(InitTag.SESSION_SCOPE)) &&
! ( ( (String) scope).equalsIgnoreCase(InitTag.APPLICATION_SCOPE))) {
valid = false;
}
// end if
}
// end if
}
// end if
// return the validity of the attribute value
return valid;
}
// isValid()
}