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/*
========================================================================
SchemaCrawler
http://www.schemacrawler.com
Copyright (c) 2000-2025, Sualeh Fatehi .
All rights reserved.
------------------------------------------------------------------------

SchemaCrawler is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

SchemaCrawler and the accompanying materials are made available under
the terms of the Eclipse Public License v1.0, GNU General Public License
v3 or GNU Lesser General Public License v3.

You may elect to redistribute this code under any of these licenses.

The Eclipse Public License is available at:
http://www.eclipse.org/legal/epl-v10.html

The GNU General Public License v3 and the GNU Lesser General Public
License v3 are available at:
http://www.gnu.org/licenses/

========================================================================
*/

package schemacrawler.tools.formatter.serialize;

import java.io.IOException;
import java.io.InputStream;
import java.io.InvalidClassException;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
import java.util.Arrays;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import static java.util.Objects.requireNonNull;
import us.fatehi.utility.string.StringFormat;

final class CatalogModelInputStream extends ObjectInputStream {

  private static final Logger LOGGER = Logger.getLogger(CatalogModelInputStream.class.getName());

  private final List acceptPatterns =
      Arrays.asList(
          Pattern.compile("us\\.fatehi\\.utility\\.property\\.[A-Z].*"),
          Pattern.compile("schemacrawler\\.(schema(crawler)?|crawl)\\.[A-Z].*"),
          Pattern.compile("schemacrawler\\.[A-Z].*"),
          Pattern.compile("(\\[L)?java\\.(lang|util)\\..*"),
          Pattern.compile("java\\.(sql|math|time|net)\\..*"),
          Pattern.compile("\\[[BC]"));

  CatalogModelInputStream(final InputStream input) throws IOException {
    super(requireNonNull(input, "No input stream provided"));
  }

  @Override
  protected Class resolveClass(final ObjectStreamClass objectStreamClass)
      throws IOException, ClassNotFoundException {
    validateClassName(objectStreamClass.getName());
    return super.resolveClass(objectStreamClass);
  }

  private void validateClassName(final String className) throws InvalidClassException {
    for (final Pattern pattern : acceptPatterns) {
      if (pattern.matcher(className).matches()) {
        LOGGER.log(Level.FINER, new StringFormat("Deserializing class <%s>", className));
        return;
      }
    }
    throw new InvalidClassException(String.format("Not deserializing class <%s>", className));
  }
}