tapestry/tapestry-examples/Workbench/src/java/org/apache/tapestry/workbench/tree/examples/fsmodel/AssetsHolder.java

// Copyright 2004, 2005 The Apache Software Foundation
//
// 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.apache.tapestry.workbench.tree.examples.fsmodel;

import org.apache.hivemind.impl.DefaultClassResolver;
import org.apache.hivemind.util.ClasspathResource;
import org.apache.hivemind.util.Defense;
import org.apache.tapestry.asset.PrivateAsset;
import org.apache.tapestry.engine.IEngineService;

/**
 * @author ceco
 */
public class AssetsHolder
{
    private final IEngineService _assetService;

    private final String m_strOpenAssetsURL;

    private final String m_strCloseAssetsURL;

    private PrivateAsset m_objOpenAsset = null;

    private PrivateAsset m_objCloseAsset = null;

    /**
     * Constructor for AssetsHolder.
     */
    public AssetsHolder(IEngineService assetService, String strOpenAssetsURL,
            String strCloseAssetsURL)
    {
        Defense.notNull(assetService, "assetService");

        _assetService = assetService;

        m_strOpenAssetsURL = strOpenAssetsURL;
        m_strCloseAssetsURL = strCloseAssetsURL;
    }

    public PrivateAsset getAssetForOpenNode()
    {
        if (m_objOpenAsset == null)
        {
            // m_objOpenAsset = new PrivateAsset(m_strOpenAssetsURL);
            m_objOpenAsset = new PrivateAsset(new ClasspathResource(new DefaultClassResolver(),
                    m_strOpenAssetsURL), _assetService, null);
        }
        return m_objOpenAsset;
    }

    public PrivateAsset getAssetForCloseNode()
    {
        if (m_objCloseAsset == null)
        {
            // m_objCloseAsset = new PrivateAsset(m_strCloseAssetsURL);
            m_objCloseAsset = new PrivateAsset(new ClasspathResource(new DefaultClassResolver(),
                    m_strCloseAssetsURL), _assetService, null);
        }
        return m_objCloseAsset;
    }

}