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}