org.eclipse.xtext.resource.FileExtensionProvider.java Source code

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Here is the source code for org.eclipse.xtext.resource.FileExtensionProvider.java

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/*******************************************************************************
 * Copyright (c) 2011 itemis AG (http://www.itemis.eu) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *******************************************************************************/
package org.eclipse.xtext.resource;

import java.util.Set;

import org.eclipse.xtext.Constants;

import com.google.common.collect.Sets;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.google.inject.name.Named;

/**
 * @author Jan Koehnlein - Initial contribution and API
 */
@Singleton
public class FileExtensionProvider {

    private Set<String> fileExtensions;

    @Inject
    protected void setExtensions(@Named(Constants.FILE_EXTENSIONS) String extensions) {
        String[] split = extensions.split(",");
        this.fileExtensions = Sets.newLinkedHashSet();
        for (String string : split) {
            this.fileExtensions.add(string);
        }
    }

    public Set<String> getFileExtensions() {
        return fileExtensions;
    }

    public String getPrimaryFileExtension() {
        return fileExtensions.iterator().next();
    }

    public boolean isValid(String fileExtension) {
        return fileExtensions.contains(fileExtension);
    }
}