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ph-oton basic application stuff

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/*
 * Copyright (C) 2014-2023 Philip Helger (www.helger.com)
 * philip[at]helger[dot]com
 *
 * 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 com.helger.photon.app.mock;

import java.io.File;

import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;

import com.helger.commons.annotation.Nonempty;
import com.helger.commons.annotation.ReturnsMutableCopy;
import com.helger.commons.collection.NonBlockingStack;
import com.helger.commons.id.factory.GlobalIDFactory;
import com.helger.photon.app.PhotonAppInit;
import com.helger.photon.io.WebFileIO;
import com.helger.photon.io.WebIOIntIDFactory;

/**
 * Static test init and shutdown code for this project
 *
 * @author Philip Helger
 */
@Immutable
public final class PhotonAppTestInit
{
  private PhotonAppTestInit ()
  {}

  @Nonnull
  @ReturnsMutableCopy
  public static NonBlockingStack  init (@Nonnull final File aDataPath,
                                                  @Nonnull @Nonempty final String sServletContextPath)
  {
    final NonBlockingStack  aCleansing = new NonBlockingStack <> ();

    PhotonAppInit.startUp ();
    aCleansing.push (PhotonAppInit::shutdown);

    // Init the base path once
    // don't check access rights in test, for performance reasons
    WebFileIO.initPaths (aDataPath, sServletContextPath, false);
    aCleansing.push (WebFileIO::resetPaths);

    // Init the IDs
    if (!GlobalIDFactory.hasPersistentIntIDFactory ())
    {
      GlobalIDFactory.setPersistentIntIDFactory (new WebIOIntIDFactory ("ph-oton-app.id"));
      aCleansing.push ( () -> GlobalIDFactory.setPersistentIntIDFactory (null));
    }

    return aCleansing;
  }
}