32 lines
1004 B
Java
32 lines
1004 B
Java
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//: strings/ThreatAnalyzer.java
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import java.util.regex.*;
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import java.util.*;
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public class ThreatAnalyzer {
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static String threatData =
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"58.27.82.161@02/10/2005\n" +
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"204.45.234.40@02/11/2005\n" +
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"58.27.82.161@02/11/2005\n" +
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"58.27.82.161@02/12/2005\n" +
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"58.27.82.161@02/12/2005\n" +
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"[Next log section with different data format]";
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public static void main(String[] args) {
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Scanner scanner = new Scanner(threatData);
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String pattern = "(\\d+[.]\\d+[.]\\d+[.]\\d+)@" +
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"(\\d{2}/\\d{2}/\\d{4})";
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while(scanner.hasNext(pattern)) {
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scanner.next(pattern);
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MatchResult match = scanner.match();
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String ip = match.group(1);
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String date = match.group(2);
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System.out.format("Threat on %s from %s\n", date,ip);
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}
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}
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} /* Output:
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Threat on 02/10/2005 from 58.27.82.161
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Threat on 02/11/2005 from 204.45.234.40
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Threat on 02/11/2005 from 58.27.82.161
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Threat on 02/12/2005 from 58.27.82.161
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Threat on 02/12/2005 from 58.27.82.161
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*///:~
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