com.opengamma.web.bundle.BundleType.java Source code

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Here is the source code for com.opengamma.web.bundle.BundleType.java

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/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.web.bundle;

import org.apache.commons.lang.StringUtils;

/**
 * The type of a bundle or fragment, either CSS or Javascript.
 */
public enum BundleType {

    /**
     * The Javascript type.
     */
    JS("js"),
    /**
     * The CSS type.
     */
    CSS("css");

    /**
     * The file suffix.
     */
    private final String _suffix;

    /**
     * Creates an instance.
     * 
     * @param suffix  the file suffix, not null
     */
    BundleType(String suffix) {
        _suffix = suffix;
    }

    //-------------------------------------------------------------------------
    /**
     * Gets the file suffix used by the type of file.
     * 
     * @return the file suffix, not null
     */
    public String getSuffix() {
        return _suffix;
    }

    /**
     * Lookup the type using the file suffix.
     * 
     * @param fileName  the file name including the suffix, null returns null
     * @return the bundle type, null if unable to determine
     */
    public static BundleType getType(final String fileName) {
        if (StringUtils.isNotBlank(fileName)) {
            if (fileName.toLowerCase().endsWith("." + JS.getSuffix())) {
                return JS;
            } else if (fileName.toLowerCase().endsWith("." + CSS.getSuffix())) {
                return CSS;
            }
        }
        return null;
    }

}