// Imports');
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import java.
*;
');
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import java.
awt.
*;
');
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import java.
io.
*;
');
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import java.
util.
*;
');
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import java.
lang.
*;
');
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import java.
text.
*;
');
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');
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');
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class DateParse
');
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{');
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// * Variables');
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public String[] m_strMonths =
{ "January",
"February",
"March",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December" };
');
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');
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');
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// * Constructor');
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public DateParse
() ');
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{');
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}');
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');
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// * Main');
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public static void main
(String args
[]) ');
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{ ');
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// Declare variables');
document.write(' DateParse dpParse =
new DateParse
();
');
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');
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// Run');
document.write(' dpParse.
Run();
');
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');
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// Exit');
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System.
exit(1);
');
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}');
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');
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// * Run');
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public void Run
()');
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{');
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// Declare variables');
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NumberFormat nfFormat =
NumberFormat.
getInstance();
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StreamTokenizer stTokens =
new StreamTokenizer(new BufferedReader(new InputStreamReader(System.
in)));
');
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String strInput =
new String("");
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BufferedReader brInput =
new BufferedReader(new InputStreamReader(System.
in));
');
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');
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// Setup tokenizer');
document.write(' stTokens.
eolIsSignificant(true);
');
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');
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// Prompt');
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System.
out.
print("Enter a date in form MM/DD/YY or MM DD, YYYY: ");
');
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');
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// Try');
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try');
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{ ');
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// -- Get user input');
document.write(' strInput = brInput.
readLine();
');
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');
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// -- Parse');
document.write(' Parse
(strInput
);
');
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}');
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catch (IOException ioExcept
)');
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{');
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System.
out.
println("\n\nError: " + ioExcept.
toString() +
"!\n\n");
');
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System.
exit(1);
');
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} ');
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}');
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');
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// * Handle invalid input');
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public void InvalidInput
()');
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{');
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System.
out.
println("\n\nError: Invalid input.\n\n");
');
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System.
exit(1);
');
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}');
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');
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// * Parse');
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public void Parse
(String strInput
)');
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{');
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// Declare variables');
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');
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// Validate');
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if (strInput.
length() ==
0)');
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{');
document.write(' InvalidInput
();
');
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}');
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');
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// See what mode we are in');
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if (IsNumeric
(strInput.
charAt(0)) ==
true)');
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{');
document.write(' ParseNumeric
(strInput
);
');
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}');
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else');
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{');
document.write(' ParseString
(strInput
);
');
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}');
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}');
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');
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// * Determines if a character is numeric');
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public boolean IsNumeric
(char cChar
)');
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{');
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// Validate');
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return Character.
isDigit(cChar
);
');
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}');
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');
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// * Determines if a string is numeric');
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public boolean IsNumeric
(String strString
)');
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{');
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// Validate');
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for (int i =
0; i < strString.
length(); i++
)');
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{');
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if (Character.
isDigit(strString.
charAt(i
)) ==
false) ');
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{');
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return false;
');
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}');
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} ');
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');
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return true;
');
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} ');
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');
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// * Parse numeric');
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public void ParseNumeric
(String strInput
)');
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{');
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// Declare variables');
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StringBuffer strBuffer =
new StringBuffer(strInput
);
');
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StringBuffer strOutput =
new StringBuffer("");
');
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String strTemp;
');
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int nFindStart =
0, nFindEnd =
0;
');
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Integer nTemp;
');
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');
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// Get the month');
document.write(' nFindEnd = strBuffer.
indexOf("/", nFindStart
);
');
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if (nFindEnd ==
-1)');
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{');
document.write(' InvalidInput
();
');
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}');
document.write(' strTemp = strBuffer.
substring(nFindStart, nFindEnd
);
');
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// -- Validate');
document.write('
if (IsNumeric
(strTemp
) ==
false)');
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{');
document.write(' InvalidInput
();
');
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}');
document.write('
if (ValidateMonth
(new Integer(strTemp
)) ==
false)');
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{');
document.write(' InvalidInput
();
');
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}');
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// -- Convert month');
document.write(' nTemp =
new Integer(strTemp
);
');
document.write(' strOutput.
append(ConvertMonth
(nTemp.
intValue()) +
" ");
');
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');
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// Switch start and end');
document.write(' nFindStart = nFindEnd +
1;
');
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');
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// Get day');
document.write(' nFindEnd = strBuffer.
indexOf("/", nFindStart
);
');
document.write('
if (nFindEnd ==
-1)');
document.write('
{');
document.write(' InvalidInput
();
');
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} ');
document.write(' strTemp = strBuffer.
substring(nFindStart, nFindEnd
);
');
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// -- Validate');
document.write('
if (IsNumeric
(strTemp
) ==
false)');
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{');
document.write(' InvalidInput
();
');
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} ');
document.write('
// -- Append');
document.write(' strOutput.
append(strTemp +
", ");
');
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');
document.write('
// Switch start and end');
document.write(' nFindStart = nFindEnd +
1;
');
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');
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// Get year ');
document.write(' strTemp = strBuffer.
substring(nFindStart
);
');
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// -- Validate');
document.write('
if (IsNumeric
(strTemp
) ==
false)');
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{');
document.write(' InvalidInput
();
');
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} ');
document.write(' nTemp =
new Integer(strTemp
);
');
document.write('
// -- Append');
document.write('
if (strTemp.
length() ==
2)');
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{');
document.write('
if (nTemp.
intValue() <=
2)');
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{');
document.write(' strOutput.
append("20" + strTemp
);
');
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}');
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else');
document.write('
{');
document.write(' strOutput.
append("19" + strTemp
);
');
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} ');
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}');
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else');
document.write('
{');
document.write(' strOutput.
append(strTemp
);
');
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}');
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');
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');
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// Output');
document.write('
System.
out.
println("\n\n" + strOutput.
toString() +
"\n\n");
');
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}');
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');
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// * Parse string');
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public void ParseString
(String strInput
)');
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{');
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// Declare variables');
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StringBuffer strBuffer =
new StringBuffer(strInput
);
');
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StringBuffer strOutput =
new StringBuffer("");
');
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String strTemp;
');
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int nFindStart =
0, nFindEnd =
0;
');
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Integer nTemp;
');
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');
document.write('
// Get the month');
document.write(' nFindEnd = strBuffer.
indexOf(" ", nFindStart
);
');
document.write('
if (nFindEnd ==
-1)');
document.write('
{');
document.write(' InvalidInput
();
');
document.write('
}');
document.write(' strTemp = strBuffer.
substring(nFindStart, nFindEnd
);
');
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// -- Validate');
document.write(' nTemp =
new Integer(ValidateMonth
(strTemp
));
');
document.write('
if (nTemp.
intValue() ==
-1)');
document.write('
{');
document.write(' InvalidInput
();
');
document.write('
}');
document.write('
// -- Append');
document.write(' strOutput.
append(nTemp.
toString() +
"/");
');
document.write('
');
document.write('
// Switch start and end');
document.write(' nFindStart = nFindEnd +
1;
');
document.write('
');
document.write('
// Get day');
document.write(' nFindEnd = strBuffer.
indexOf(", ", nFindStart
);
');
document.write('
if (nFindEnd ==
-1)');
document.write('
{');
document.write(' InvalidInput
();
');
document.write('
}');
document.write(' strTemp = strBuffer.
substring(nFindStart, nFindEnd
);
');
document.write('
// -- Append');
document.write(' strOutput.
append(strTemp +
"/");
');
document.write('
');
document.write('
// Switch start and end');
document.write(' nFindStart = nFindEnd +
2;
');
document.write('
');
document.write('
// Get year ');
document.write(' strTemp = strBuffer.
substring(nFindStart
);
');
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// -- Validate');
document.write('
if (IsNumeric
(strTemp
) ==
false)');
document.write('
{');
document.write(' InvalidInput
();
');
document.write('
} ');
document.write('
// -- Append ');
document.write(' strOutput.
append(strTemp
);
');
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');
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// Output');
document.write('
System.
out.
println("\n\n" + strOutput.
toString() +
"\n\n");
');
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} ');
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');
document.write('
// * Convert month');
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public String ConvertMonth
(int nMonth
)');
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{');
document.write('
// Convert');
document.write('
return m_strMonths
[nMonth -
1];
');
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}');
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');
document.write('
');
document.write('
// * Validate month');
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public boolean ValidateMonth
(Integer nMonth
)');
document.write('
{ ');
document.write('
// Validate');
document.write('
if (nMonth.
intValue() >=
1 || nMonth.
intValue() <=
12)');
document.write('
{');
document.write('
return true;
');
document.write('
}');
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');
document.write('
return false;
');
document.write('
}');
document.write('
');
document.write('
// * Validate month');
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public int ValidateMonth
(String strMonth
)');
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{');
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');
document.write('
// Go through all months');
document.write('
for (int i =
0; i < m_strMonths.
length; i++
)');
document.write('
{');
document.write('
if (m_strMonths
[i
].
equalsIgnoreCase(strMonth
) ==
true)');
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{');
document.write('
return i +
1;
');
document.write('
} ');
document.write('
}');
document.write('
');
document.write('
return -1;
');
document.write('
} ');
document.write('
');
document.write('
} ');
document.write('