/*
    * 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.rat.testhelpers;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.Reader;
  import java.util.Collections;
  import java.util.SortedSet;
  
  import org.apache.commons.io.function.IOSupplier;
  import org.apache.rat.api.Document;
  import org.apache.rat.document.DocumentNameMatcher;
  import org.apache.rat.document.DocumentName;
  import org.apache.rat.document.FSInfoTest;
  
  public class TestingDocument extends Document {
  
      private final Reader reader;
      private final IOSupplier<InputStream> input;
  
      public TestingDocument() {
          this("name");
      }
  
      public TestingDocument(String name) {
          this(name, null);
      }
  
      public TestingDocument(DocumentName documentName) {
          super(documentName, DocumentNameMatcher.MATCHES_ALL);
          this.reader = null;
          this.input = null;
      }
  
      public TestingDocument(String name, DocumentNameMatcher matcher) {
          super(DocumentName.builder().setName(name).setBaseName("").build(), matcher);
          this.reader = null;
          this.input = null;
      }
  
      public TestingDocument(Reader reader, String name) {
          super(DocumentName.builder().setName(name).setBaseName("").build(), DocumentNameMatcher.MATCHES_ALL);
          this.reader = reader;
          this.input = null;
      }
  
      public TestingDocument(IOSupplier<InputStream> inputStream, String name) {
          super(DocumentName.builder(FSInfoTest.UNIX).setName(name).setBaseName("").build(), DocumentNameMatcher.MATCHES_ALL);
          this.input = inputStream;
          this.reader = null;
      }
  
      @Override
      public Reader reader() throws IOException {
              return reader == null ? new InputStreamReader(input.get()) : reader;
      }
  
      @Override
      public boolean isDirectory() {
          return false;
      }
  
      @Override
      public SortedSet<Document> listChildren() {
          return Collections.emptySortedSet();
      }
  
      @Override
      public InputStream inputStream() throws IOException {
          if (input != null) {
              return input.get();
          }
          throw new UnsupportedOperationException();
      }
  }