/*******************************************************************************
 * Copyright (c) 2000-present Liferay, 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.
 *
 *******************************************************************************/
package com.liferay.ide.xml.search.ui.validators;

import com.liferay.ide.project.core.ValidationPreferences.ValidationType;

import org.eclipse.core.resources.IFile;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.sse.core.internal.validate.ValidationMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
import org.eclipse.wst.validation.internal.provisional.core.IValidator;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
import org.eclipse.wst.xml.search.editor.references.IXMLReference;
import org.w3c.dom.Attr;
import org.w3c.dom.Node;


/**
 * @author Kuo Zhang
 */
@SuppressWarnings( "restriction" )
public class LiferayDisplayDescriptorValidator extends LiferayBaseValidator
{

    public static final String MESSAGE_CATEGORY_NAME_CANNOT_BE_EMPTY = Msgs.categoryNameCannotBeEmpty;

    @Override
    protected boolean validateSyntax( IXMLReference reference, IDOMNode node, IFile file,
                                      IValidator validator, IReporter reporter, boolean batchMode )
    {
        int severity = getServerity( ValidationType.SYNTAX_INVALID, file );

        if( severity != ValidationMessage.IGNORE )
        {
            if( node.getNodeType() == Node.ATTRIBUTE_NODE && "name".equals( node.getNodeName() ) &&
                "category".equals( ( (Attr) node ).getOwnerElement().getNodeName() ) )
            {
                if( node.getNodeValue().matches( "\\s*" ) )
                {
                    final String liferayPluginValidationType =
                        getLiferayPluginValidationType( ValidationType.SYNTAX_INVALID, file );
                    String validationMsg = MESSAGE_CATEGORY_NAME_CANNOT_BE_EMPTY;

                    addMessage(
                        node, file, validator, reporter, batchMode, validationMsg, severity,
                        liferayPluginValidationType );

                    return false;
                }
            }
        }

        return true;
    }

    private static class Msgs extends NLS
    {
        public static String categoryNameCannotBeEmpty;

        static
        {
            initializeMessages( LiferayDisplayDescriptorValidator.class.getName(), Msgs.class );
        }
    }
}