    001    // Copyright 2009 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    //     http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.services;
    016
    017    import org.apache.tapestry5.Asset2;
    018
    019    /**
    020     * Base class for assets.
    021     *
    022     * @since 5.1.0.0
    023     */
    024    public abstract class AbstractAsset implements Asset2
    025    {
    026        private final boolean invariant;
    027
    028        public AbstractAsset(boolean invariant)
    029        {
    030            this.invariant = invariant;
    031        }
    032
    033        public boolean isInvariant()
    034        {
    035            return invariant;
    036        }
    037
    038        /**
    039         * Returns {@link org.apache.tapestry5.Asset#toClientURL()}.
    040         */
    041        @Override
    042        public String toString()
    043        {
    044            return toClientURL();
    045        }
    046    }