/*******************************************************************************
 * 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.resources;

import com.liferay.ide.core.util.CoreUtil;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.resources.IResource;
import org.eclipse.wst.xml.search.core.resource.ResourceBaseURIResolver;


/**
 * @author Kuo Zhang
 */
public class ResourceBundleURIResolver extends ResourceBaseURIResolver
{
    // Use ResourceBundleURIResovler or IURIResolver
    public static final ResourceBundleURIResolver INSTANCE = new ResourceBundleURIResolver();

    private static final Set<String> EXTENSIONS;

    static
    {
        EXTENSIONS = new HashSet<String>();
        EXTENSIONS.add( "properties" );
    }

    public ResourceBundleURIResolver()
    {
        super();
    }

    protected Set<String> getExtensions()
    {
        return EXTENSIONS;
    }

    @Override
    public boolean accept( Object selectedNode, IResource rootContainer, IResource file, String matching, boolean fullMatch )
    {
        final String extension = file.getFileExtension();

        if( CoreUtil.isNullOrEmpty( extension ) || !getExtensions().contains( extension.toLowerCase() ) )
        {
            return false;
        }

        if( matching != null )
        {
            final String uri = resolve( selectedNode, rootContainer, file );

            if( fullMatch )
            {
                return uri.equals( matching );
            }
            else
            {
                return uri.startsWith( matching );
            }
        }

        return false;
    }

    @Override
    public String resolve( Object selectedNode, IResource rootContainer, IResource file )
    {
        String uri = super.resolve( selectedNode, rootContainer, file );

        // remove suffix ".properties" and replace the "/" with "."
        // element "resource-bundle" requires that format
        return uri.substring( 0, uri.lastIndexOf( ".properties" ) ).replaceAll( "/", ".");
    }
}