IBM Express Runtime V2.1

428 IBM Express Runtime V2.1

The SampleCommands.java file

Example C-8 shows the source code of the SampleCommands class.

Example: C-8 Source of SampleCommands

/*

* Created on Mar 10, 2005

*

* This sample program demonstrates how to create a wrapper.

* Based on your knowledge of your application,

* use this code as an example to develop a custom wrapper.

*/

package com.ibm.flght400;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import com.ibm.as400.access.AS400;

import com.ibm.as400.access.CharConverter;

import com.ibm.as400.security.auth.AS400Credential;

import com.ibm.as400.security.auth.ProfileTokenCredential;

import com.ibm.jsdt.support.SupportOS400Base;

import com.ibm.jsdt.support.SupportOS400Helper;

/**

* This is a sample class, created as part of the Redbook example.

*/

public class SampleCommands {

private String ivCommandOutput = null;

private SupportOS400Base ivBase = null;

private SupportOS400Helper ivHelper = null;

public SampleCommands(SupportOS400Base base, SupportOS400Helper helper){

ivBase = base;

ivHelper = helper;

}

/**

* Run a QSH command.

* To run a CL command use the invokeCLCommand() method.

* The command and a success or failure message are logged.

* The output can also be written to the log. The output

* from the command can be gotten by calling getCommandOuput();

* @param command the command to run.

* @param boolean if the output of the command to should be logged as well.

* @param boolean if the output needs to be converted from EBCDIC to ASCII.

* @return the return code of the command

*/

public int invokeCommand(String command, boolean logOutput, boolean convertFromEBCDIC)

{

return invokeCommand(command, command, logOutput, convertFromEBCDIC);

}

/**

* Run a QSH command.

* To run a CL command use the invokeCLCommand() method.

* The logCommand and a success or failure message are logged.

Appendix C. Source code for Flght400 user programs and script files on OS/400 429

* The output can also be written to the log. The output

* from the command can be gotten by calling getCommandOuput();

* @param command the command to run.

* @param command to write to the log - this is useful if the command contains

* sensitive information(e.g. passwords) that should not be written to the log.

* @param boolean if the output of the command to should be logged as well.

* @param boolean if the output needs to be converted from EBCDIC to ASCII.

* @return the return code of the command

*/

public int invokeCommand(String command, String logCommand, boolean logOutput, boolean

convertFromEBCDIC)

{

int rc = -1;

ivCommandOutput = "";

try {

// log the command

ivHelper.logNewLine(ivBase);

ivBase.setMessage(ivBase.getResourceString(SampleNLSkeys.CMDINVOKED, logCommand));

ivHelper.log(ivBase);

Process p = Runtime.getRuntime().exec(command);

rc = p.waitFor();

// Log if the command passed or failed

if (rc == 0) {

ivBase.setMessage(ivBase.getResourceString(SampleNLSkeys.CMD_SUCCESS));

ivHelper.log(ivBase);

} else {

ivBase.setMessage(ivBase.getResourceString(SampleNLSkeys.CMD_FAIL,new

String[]{String.valueOf(rc)}));

ivHelper.log(ivBase);

logOutput = true;

}

ivHelper.logNewLine(ivBase);

ivCommandOutput = readCommandOutput( p.getInputStream(), convertFromEBCDIC);

ivCommandOutput = ivCommandOutput + readCommandOutput(p.getErrorStream(), convertFromEBCDIC);

if (logOutput == true) {

ivBase.setMessage(ivCommandOutput);

ivHelper.log(ivBase);

}

} catch (Exception e) {

ivBase.setMessage(ivBase.getResourceString(SampleNLSkeys.CMD_EXCEPTION, new

String[]{e.getMessage()}));

ivHelper.log(ivBase);

rc = -1;

}

return rc;

}

/**

* Run a QSH command.

* To run a CL command use the invokeCLCommand() method.

* The command and a success or failure message are logged.

* The output can also be written to the log. The output

* from the command can be gotten by calling getCommandOuput();

* @param command the command to run.

* @param boolean if the output of the command to should be logged as well.

* @return the return code of the command

*/

public int invokeCommand(String command)

{