    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
    015package org.apache.tapestry5.internal.services;
    016
    017import org.apache.tapestry5.Asset;
    018
    019/**
    020 * Base class for assets.
    021 *
    022 * @since 5.1.0.0
    023 */
    024public abstract class AbstractAsset implements Asset
    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}