Source Code : Compare two InputStream

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

Compare two InputStream

    

/*
 * JBoss DNA (http://www.jboss.org/dna)
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * See the AUTHORS.txt file in the distribution for a full listing of 
 * individual contributors. 
 *
 * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
 * is licensed to you under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * JBoss DNA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;
import java.util.Arrays;
/**
 * @author Randall Hauch
 */
public class Main {
  /**
   * Compare two input stream
   * 
   * @param input1 the first stream
   * @param input2 the second stream
   * @return true if the streams contain the same content, or false otherwise
   * @throws IOException
   * @throws IllegalArgumentException if the stream is null
   */
  public static boolean isSame( InputStream input1,
                                InputStream input2 ) throws IOException {
      boolean error = false;
      try {
          byte[] buffer1 = new byte[1024];
          byte[] buffer2 = new byte[1024];
          try {
              int numRead1 = 0;
              int numRead2 = 0;
              while (true) {
                  numRead1 = input1.read(buffer1);
                  numRead2 = input2.read(buffer2);
                  if (numRead1 > -1) {
                      if (numRead2 != numRead1) return false;
                      // Otherwise same number of bytes read
                      if (!Arrays.equals(buffer1, buffer2)) return false;
                      // Otherwise same bytes read, so continue ...
                  } else {
                      // Nothing more in stream 1 ...
                      return numRead2 < 0;
                  }
              }
          } finally {
              input1.close();
          }
      } catch (IOException e) {
          error = true; // this error should be thrown, even if there is an error closing stream 2
          throw e;
      } catch (RuntimeException e) {
          error = true; // this error should be thrown, even if there is an error closing stream 2
          throw e;
      } finally {
          try {
              input2.close();
          } catch (IOException e) {
              if (!error) throw e;
          }
      }
  }
}

   
    
    
    
  

Thank with us