/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * 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.seasar.uruma.container.convention;

 import java.io.File;

 import java.io.IOException;

 import java.net.URL;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 import org.eclipse.core.runtime.FileLocator;

 import org.seasar.framework.convention.NamingConvention;

 import org.seasar.framework.convention.impl.NamingConventionImpl;

 import org.seasar.framework.exception.IORuntimeException;

 import org.seasar.framework.util.ClassLoaderUtil;

 import org.seasar.framework.util.Disposable;

 import org.seasar.framework.util.StringUtil;

 import org.seasar.framework.util.URLUtil;

 /**

  * {@link NamingConvention}の実装クラスです。

  * 

  * @author y.sugigami

  */

 public class UrumaNamingConventionImpl extends NamingConventionImpl implements

         NamingConvention, Disposable {

     /**

      * {@link NamingConventionImpl}を作成します。

      */

     public UrumaNamingConventionImpl() {

         super();

     }

     /**

      * 存在チェッカの配列を作成します。

      * 

      * @param rootPackageName

      *            ルートパッケージ名

      * @return 存在チェッカの配列

      */

     @Override

     @SuppressWarnings("unchecked")

     protected ExistChecker[] createExistCheckerArray(

             final String rootPackageName) {

         if (StringUtil.isEmpty(rootPackageName)) {

             return new ExistChecker[0];

         }

         final String s = rootPackageName.replace('.', '/');

         final List<ExistChecker> list = new ArrayList<ExistChecker>();

         for (final Iterator<URL> it = ClassLoaderUtil.getResources(this

                 .getClass(), s); it.hasNext();) {

             final URL url = it.next();

             final String protocol = URLUtil.toCanonicalProtocol(url

                     .getProtocol());

             if ("file".equals(protocol)) {

                 list.add(new FileExistChecker(url));

             } else if ("jar".equals(protocol)) {

                 list.add(new JarExistChecker(url, rootPackageName));

             } else if ("zip".equals(protocol)) {

                 list.add(new ZipExistChecker(url, rootPackageName));

             } else if ("code-source".equals(protocol)) {

                 list.add(new CodeSourceExistChecker(url, rootPackageName));

             } else if ("bundleresource".equals(protocol)) {

                 list.add(new BundleExistChecker(url));

             }

         }

         return list.toArray(new ExistChecker[list.size()]);

     }

     /**

      * バンドル用の存在チェッカです。

      * 

      */

     protected static class BundleExistChecker implements ExistChecker {

         private File rootFile;

         /**

          * インスタンスを作成します。

          * 

          * @param rootUrl

          *            ルートURL

          */

         protected BundleExistChecker(final URL rootUrl) {

             URL fileLocatorUrl = null;

             try {

                 fileLocatorUrl = FileLocator.toFileURL(rootUrl);

             } catch (IOException ex) {

                 throw new IORuntimeException(ex);

             }

             if (fileLocatorUrl != null) {

                 rootFile = new File(fileLocatorUrl.getPath());

             }

         }

         public boolean isExist(final String lastClassName) {

             final File file = new File(rootFile, getPathName(lastClassName));

             return file.exists();

         }

         public void close() {

         }

     }

 }