fileclient.java

来自「JdbcProxy 可以理解为 JDBC 代理」· Java 代码 · 共 60 行

package nl.griffelservices.proxy.stub;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;



/**
 * Retrieves data from a local file.
 * 
 * @author [e-mail]
 */
public class FileClient
{
  /** the default encoding for the HTTP content */
  private static final String DEFAULT_ENCODING = "ISO-8859-1";
  
  /** the hostname of the HTTP server for which this is the client */
  private String filename;
  
  /**
   * Constructs a FileClient object.
   * 
   * @param filename the merger file name
   */
  public FileClient(String filename)
  {
    this.filename = filename;
  }
  
  /**
   * Sends a string as the content of a HTTP Post request and returns the content of merger file.
   * 
   * @param request the request that must be send to the merger file
   * @return the response from the merger file
   * @throws IOException if an error occurs
   */
  public String invoke(String request) throws IOException
  {
  	/*
     * read from file
     */
      FileInputStream fis = new FileInputStream(filename);  
  	  BufferedReader br = new BufferedReader (new InputStreamReader(fis));  
  	  StringBuffer sb = new StringBuffer();  
  	  String   line = null;  
  	  while (( line = br.readLine())!= null)  
  	  {  
        sb.append(line+"\r\n");  
      }  
	    br.close();  
	    String   response   =   new   String(sb);
	    br.close();
	    fis.close();
    return response;
  }
}