content: /*
   * 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.
   */
  package org.apache.camel.component.file;
  
  import java.io.File;
  import java.io.FileFilter;
  
  import org.apache.camel.util.AntPathMatcher;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * File filter using {@link AntPathMatcher}.
   * <p/>
   * Exclude take precedence over includes. If a file match both exclude and include it will be regarded as excluded.
   */
  public class AntPathMatcherFileFilter implements FileFilter {
      private static final Logger LOG = LoggerFactory.getLogger(AntPathMatcherFileFilter.class);
  
      private final AntPathMatcher matcher = new AntPathMatcher();
      private String[] excludes;
      private String[] includes;
      private boolean caseSensitive = true;
  
      @Override
      public boolean accept(File pathname) {
          return acceptPathName(pathname.getPath());
      }
  
      /**
       * Accepts the given file by the path name
       *
       * @param  path the path
       * @return      <tt>true</tt> if accepted, <tt>false</tt> if not
       */
      public boolean acceptPathName(String path) {
          // must use single / as path separators
          path = path.replace(File.separatorChar, '/');
  
          LOG.trace("Filtering file: {}", path);
  
          // excludes take precedence
          if (excludes != null) {
              for (String exclude : excludes) {
                  if (matcher.match(exclude, path, caseSensitive)) {
                      // something to exclude so we cant accept it
                      LOG.trace("File is excluded: {}", path);
                      return false;
                  }
              }
          }
  
          if (includes != null) {
              for (String include : includes) {
                  if (matcher.match(include, path, caseSensitive)) {
                      // something to include so we accept it
                      LOG.trace("File is included: {}", path);
                      return true;
                  }
              }
          }
  
          if (excludes != null && includes == null) {
              // if the user specified excludes but no includes, presumably we
              // should include by default
              return true;
          }
  
          // nothing to include so we can't accept it
          return false;
      }
  
      /**
       * @return <tt>true</tt> if case sensitive pattern matching is on, <tt>false</tt> if case sensitive pattern matching
       *         is off.
       */
      public boolean isCaseSensitive() {
          return caseSensitive;
      }
  
      /**
       * Sets Whether or not pattern matching should be case sensitive
       * <p/>
       * Is by default turned on <tt>true</tt>.
       *
       * @param caseSensitive <tt>false</tt> to disable case sensitive pattern matching
       */
      public void setCaseSensitive(boolean caseSensitive) {
          this.caseSensitive = caseSensitive;
      }
  
      public String[] getExcludes() {
          return excludes;
      }
  
      public void setExcludes(String[] excludes) {
          this.excludes = excludes;
      }
  
      public String[] getIncludes() {
          return includes;
      }
  
      public void setIncludes(String[] includes) {
          this.includes = includes;
      }
  
      /**
       * Sets excludes using a single string where each element can be separated with comma
       */
      public void setExcludes(String excludes) {
          setExcludes(excludes.split(","));
      }
  
      /**
       * Sets includes using a single string where each element can be separated with comma
       */
      public void setIncludes(String includes) {
          setIncludes(includes.split(","));
      }
  
  }
  