package org.owasp.webgoat.util;

/**
 *  Copyright (c) 2002 Free Software Foundation developed under the custody of
 *  the Open Web Application Security Project (http://www.owasp.org) This
 *  software package org.owasp.webgoat.is published by OWASP under the GPL. You should read and
 *  accept the LICENSE before you use, modify and/or redistribute this software.
 *
 * @author Jeff Williams <a href="http://www.aspectsecurity.com">Aspect Security</a>
 */
public class ExecResults
{
    /**
     *  Description of the Field
     */
    public final static int BADRETURNCODE = 2;

    /**
     *  Description of the Field
     */
    public final static int THROWABLE = 1;
    private String myCommand;
    private boolean myError = false;
    private int myErrorType = 0;
    private String myErrors = null;
    private String myInput;
    private boolean myInterrupted = false;
    private String myOutput = null;
    private int myReturnCode = 0;
    private int mySuccessCode;
    private Throwable myThrowable = null;
    private int myTimeout;

    /**
     *  Constructor for the ExecResults object
     *
     *@param  command      Description of the Parameter
     *@param  input        Description of the Parameter
     *@param  successCode  Description of the Parameter
     *@param  timeout      Description of the Parameter
     */
    public ExecResults(String command, String input, int successCode, int timeout)
    {
        myCommand = command.trim();
        myInput = input.trim();
        mySuccessCode = successCode;
        myTimeout = timeout;
    }

    /**
     *  Description of the Method
     *
     *@param  haystack   Description of the Parameter
     *@param  needle     Description of the Parameter
     *@param  fromIndex  Description of the Parameter
     *@return            Description of the Return Value
     */
    private boolean contains(String haystack, String needle, int fromIndex)
    {
        return (haystack.trim().toLowerCase().indexOf(needle.trim().toLowerCase(), fromIndex) != -1);
    }


    /**
     *  Description of the Method
     *
     *@param  value  Description of the Parameter
     *@return        Description of the Return Value
     */
    public boolean errorsContains(String value)
    {
        return (errorsContains(value, 0));
    }


    /**
     *  Description of the Method
     *
     *@param  value      Description of the Parameter
     *@param  fromIndex  Description of the Parameter
     *@return            Description of the Return Value
     */
    public boolean errorsContains(String value, int fromIndex)
    {
        return (contains(myErrors, value, fromIndex));
    }


    /**
     *  Gets the error attribute of the ExecResults object
     *
     *@return    The error value
     */
    public boolean getError()
    {
        return (myError);
    }


    /**
     *  Gets the errorMessage attribute of the ExecResults object
     *
     *@return    The errorMessage value
     */
    public String getErrorMessage()
    {
        switch (getErrorType())
        {
        case THROWABLE:
            return ("Exception: " + myThrowable.getMessage());

        case BADRETURNCODE:
            return ("Bad return code (expected " + mySuccessCode + ")");

        default:
            return ("Unknown error");
        }
    }


    /**
     *  Gets the errorType attribute of the ExecResults object
     *
     *@return    The errorType value
     */
    public int getErrorType()
    {
        return (myErrorType);
    }


    /**
     *  Gets the errors attribute of the ExecResults object
     *
     *@return    The errors value
     */
    public String getErrors()
    {
        return (myErrors);
    }


    /**
     *  Gets the interrupted attribute of the ExecResults object
     *
     *@return    The interrupted value
     */
    public boolean getInterrupted()
    {
        return (myInterrupted);
    }


    /**
     *  Gets the output attribute of the ExecResults object
     *
     *@return    The output value
     */
    public String getOutput()
    {
        return (myOutput);
    }


    /**
     *  Gets the returnCode attribute of the ExecResults object
     *
     *@return    The returnCode value
     */
    public int getReturnCode()
    {
        return (myReturnCode);
    }


    /**
     *  Gets the throwable attribute of the ExecResults object
     *
     *@return    The throwable value
     */
    public Throwable getThrowable()
    {
        return (myThrowable);
    }


    /**
     *  Description of the Method
     *
     *@param  value  Description of the Parameter
     *@return        Description of the Return Value
     */
    public boolean outputContains(String value)
    {
        return (outputContains(value, 0));
    }


    /**
     *  Description of the Method
     *
     *@param  value      Description of the Parameter
     *@param  fromIndex  Description of the Parameter
     *@return            Description of the Return Value
     */
    public boolean outputContains(String value, int fromIndex)
    {
        return (contains(myOutput, value, fromIndex));
    }


    /**
     *  Sets the error attribute of the ExecResults object
     *
     *@param  value  The new error value
     */
    public void setError(int value)
    {
        myError = true;
        myErrorType = value;
    }


    /**
     *  Sets the errors attribute of the ExecResults object
     *
     *@param  errors  The new errors value
     */
    public void setErrors(String errors)
    {
        myErrors = errors.trim();
    }


    /**
     *  Sets the interrupted attribute of the ExecResults object
     */
    public void setInterrupted()
    {
        myInterrupted = true;
    }


    /**
     *  Sets the output attribute of the ExecResults object
     *
     *@param  value  The new output value
     */
    public void setOutput(String value)
    {
        myOutput = value.trim();
    }


    /**
     *  Sets the returnCode attribute of the ExecResults object
     *
     *@param  value  The new returnCode value
     */
    public void setReturnCode(int value)
    {
        myReturnCode = value;
    }


    /**
     *  Sets the throwable attribute of the ExecResults object
     *
     *@param  value  The new throwable value
     */
    public void setThrowable(Throwable value)
    {
        setError(THROWABLE);
        myThrowable = value;
    }


    /**
     *  Description of the Method
     *
     *@return    Description of the Return Value
     */
    public String toString()
    {
        String sep = System.getProperty("line.separator");
        StringBuffer value = new StringBuffer();
        value.append("ExecResults for \'" + myCommand + "\'" + sep);

        if ((myInput != null) && !myInput.equals(""))
        {
            value.append(sep + "Input..." + sep + myInput + sep);
        }

        if ((myOutput != null) && !myOutput.equals(""))
        {
            value.append(sep + "Output..." + sep + myOutput + sep);
        }

        if ((myErrors != null) && !myErrors.equals(""))
        {
            value.append(sep + "Errors..." + sep + myErrors + sep);
        }

        value.append(sep);

        if (myInterrupted)
        {
            value.append("Command timed out after " + (myTimeout / 1000) + " seconds " + sep);
        }

        value.append("Returncode: " + myReturnCode + sep);

        if (myError)
        {
            value.append(getErrorMessage() + sep);
        }

        return (value.toString());
    }
}