ToriUtil.java

/*
 * Copyright 2012 Vaadin Ltd.
 * 
 * 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.
 */

package org.vaadin.tori;


public final class ToriUtil {
    private ToriUtil() {
        // not instantiable
    }

    /**
     * Checks whether the given <code>object</code> is <code>null</code>.
     * 
     * @throws IllegalArgumentException
     *             if <code>object</code> is <code>null</code>.
     */
    public static void checkForNull(final Object object,
            final String errorMessage) throws IllegalArgumentException {
        if (object == null) {
            throw new IllegalArgumentException(errorMessage);
        }
    }

    public static String escapeXhtml(final String xhtml) {
        return xhtml.replace("&", "&").replace("<", "<")
                .replace(">", ">");
    }
}