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/**
 * Copyright (C) 2010 Daniel Manzke 
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//
// JODConverter - Java OpenDocument Converter
// Copyright 2009 Art of Solving Ltd
// Copyright 2004-2009 Mirko Nasato
//
// JODConverter 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 3 of
// the License, or (at your option) any later version.
//
// JODConverter 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 JODConverter.  If not, see
// .
//
package org.artofsolving.jodconverter.document;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class SimpleDocumentFormatRegistry implements DocumentFormatRegistry {

	private List documentFormats = new ArrayList();

	public void addFormat(DocumentFormat documentFormat) {
		documentFormats.add(documentFormat);
	}

	public DocumentFormat getFormatByExtension(String extension) {
        if (extension == null) {
            return null;
        }
        String lowerExtension = extension.toLowerCase();
        //TODO keep a documentByExtension map instead
		for (DocumentFormat format : documentFormats) {
			if (format.getExtension().equals(lowerExtension)) {
				return format;
			}
		}
		return null;
	}

	public DocumentFormat getFormatByMediaType(String mediaType) {
        if (mediaType == null) {
            return null;
        }
        //TODO keep a documentByMediaType map instead
        for (DocumentFormat format : documentFormats) {
            if (format.getMediaType().equals(mediaType)) {
                return format;
            }
        }
	    return null;
	}

	public Set getOutputFormats(DocumentFamily family) {
	    Set formats = new HashSet();
        for (DocumentFormat format : documentFormats) {
            if (format.getStoreProperties(family) != null) {
                formats.add(format);
            }
        }
	    return formats;
	}

}