libreccm-legacy/ccm-ldn-util/src/com/arsdigita/london/util/ui/ErrorMessage.java

65 lines
2.0 KiB
Java
Executable File

/*
* Copyright (C) 2001-2004 Red Hat Inc. All Rights Reserved.
*
* 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.
*
* 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 com.arsdigita.london.util.ui;
import com.arsdigita.london.util.Util;
import com.arsdigita.bebop.PageState;
import com.arsdigita.bebop.RequestLocal;
import com.arsdigita.bebop.SimpleContainer;
import com.arsdigita.xml.Element;
import java.util.Iterator;
import java.util.LinkedList;
/**
* A widget which will output messages added to it in the current request
*/
public class ErrorMessage extends SimpleContainer {
private RequestLocal m_messages = new RequestLocal() {
protected Object initialValue( PageState ps ) {
return new LinkedList();
}
};
public ErrorMessage() {
super( "util:errorMessage", Util.XML_NS );
}
public void addMessage( PageState ps, String msg ) {
LinkedList messages = getMessages( ps );
messages.add( msg );
}
private LinkedList getMessages( PageState ps ) {
return (LinkedList) m_messages.get( ps );
}
public void generateChildrenXML( PageState ps, Element parent ) {
Iterator messages = getMessages( ps ).iterator();
while( messages.hasNext() ) {
String msg = (String) messages.next();
Element msgXML = parent.newChildElement( "util:message", Util.XML_NS );
msgXML.setText( msg );
}
}
}