Source Code : Get Package Names From Dir

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Get Package Names From Dir

  
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.
 */

import java.io.File;
import java.util.List;

public final class ReflectionUtil {
  private static void getPackageNamesFromDir(File base, File dir, List<String> pkgs) {
    boolean foundClass = false;
    for (File file : dir.listFiles()) {
      if (file.isDirectory()) {
        getPackageNamesFromDir(base, file, pkgs);
      } else if (!foundClass && file.getName().endsWith(".class")) {
        foundClass = true;
        String pkg = "";
        file = dir;
        while (!file.equals(base)) {
          if (!"".equals(pkg)) {
            pkg = "." + pkg;
          }
          pkg = file.getName() + pkg;
          file = file.getParentFile();
        }
        if (!pkgs.contains(pkg)) {
          pkgs.add(pkg);
        }
      }
    }
  }

  private static String getPackageName(String clzName) {
    if (clzName.indexOf("/") == -1) {
      return null;
    }
    String packageName = clzName.substring(0, clzName.lastIndexOf("/"));
    return packageName.replace("/", ".");
  }
}

   
    
  

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