content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.druid.mock;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.sql.Blob;
  import java.sql.SQLException;
  
  public class MockBlob implements Blob {
      private final ByteArrayOutputStream out = new ByteArrayOutputStream();
  
      @Override
      public long length() throws SQLException {
          return out.size();
      }
  
      @Override
      public byte[] getBytes(long pos, int length) throws SQLException {
          byte[] bytes = new byte[length];
          byte[] outBytes = out.toByteArray();
          System.arraycopy(outBytes, (int) (pos - 1), bytes, 0, length);
          return bytes;
      }
  
      @Override
      public InputStream getBinaryStream() throws SQLException {
          return new ByteArrayInputStream(out.toByteArray());
      }
  
      @Override
      public long position(byte[] pattern, long start) throws SQLException {
          return 0;
      }
  
      @Override
      public long position(Blob pattern, long start) throws SQLException {
          return 0;
      }
  
      @Override
      public int setBytes(long pos, byte[] bytes) throws SQLException {
          return 0;
      }
  
      @Override
      public int setBytes(long pos, byte[] bytes, int offset, int len) throws SQLException {
          return 0;
      }
  
      @Override
      public OutputStream setBinaryStream(long pos) throws SQLException {
          return null;
      }
  
      @Override
      public void truncate(long len) throws SQLException {
      }
  
      @Override
      public void free() throws SQLException {
      }
  
      @Override
      public InputStream getBinaryStream(long pos, long length) throws SQLException {
          return null;
      }
  
  }
  