/*

  * 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.any23.source;

 import java.io.BufferedInputStream;

 import java.io.ByteArrayOutputStream;

 import java.io.File;

 import java.io.FileInputStream;

 import java.io.IOException;

 import java.io.InputStream;

 /**

  * File implementation of {@link DocumentSource}.

  */

 public class FileDocumentSource implements DocumentSource {

     private final File file;

     private final String uri;

     public FileDocumentSource(File file) {

         this.file = file;

         this.uri = file.toURI().toString();

     }

     public FileDocumentSource(File file, String baseURI) {

         this.file = file;

         this.uri = baseURI;

     }

     public InputStream openInputStream() throws IOException {

         return new BufferedInputStream( new FileInputStream(file) );

     }

     public long getContentLength() {

         return file.length();

     }

     public String getDocumentURI() {

         return uri;

     }

     public String getContentType() {

         return null;

     }

     public boolean isLocal() {

         return true;

     }

     public String readStream() throws IOException {

         final ByteArrayOutputStream baos = new ByteArrayOutputStream();

         InputStream is = openInputStream();

         try {

             int c;

             while ((c = is.read()) != -1) {

                 baos.write(c);

             }

         } finally {

             is.close();

         }

         return new String( baos.toByteArray() );

     }

 }