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.asterix.external.input.record.reader.stream;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  public class AvailableInputStream extends InputStream {
      private final InputStream is;
  
      public AvailableInputStream(InputStream inputstream) {
          is = inputstream;
      }
  
      public int read() throws IOException {
          return (is.read());
      }
  
      public int read(byte[] b) throws IOException {
          return (is.read(b));
      }
  
      public int read(byte[] b, int off, int len) throws IOException {
          return (is.read(b, off, len));
      }
  
      public void close() throws IOException {
          is.close();
      }
  
      public int available() throws IOException {
          // Always say that we have 1 more byte in the
          // buffer, even when we don't
          int a = is.available();
          if (a == 0) {
              return (1);
          } else {
              return (a);
          }
      }
  }
  