[14627] | 1 | import java.util.*;
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| 2 | import org.apache.tools.ant.*;
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| 3 | import org.apache.tools.ant.taskdefs.*;
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| 4 | import org.apache.tools.ant.taskdefs.condition.*;
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| 5 |
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| 6 | /**
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| 7 | * takes node addresses as arguments. E.g., 1.4.3.2
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| 8 | *
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| 9 | * node address x is after node address y iff, where y has n places,
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| 10 | * the values in the first n places of x are greater or equal to
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| 11 | * their corresponding values in y
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| 12 | */
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| 13 |
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| 14 | public class IsAfter implements Condition {
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| 15 |
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| 16 | private String x = "";
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| 17 | private String y = "";
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| 18 |
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| 19 | public boolean eval() {
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| 20 |
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| 21 | System.out.println( "x: " + x );
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| 22 | System.out.println( "y: " + y );
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| 23 |
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| 24 | if ( x.equals("") || y.equals("") ) {
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| 25 | throw new BuildException("Error - x or y not specified !!");
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| 26 | }
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| 27 |
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| 28 | //check that both are in the form int.int.int
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| 29 |
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| 30 | //break into chambers
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| 31 | String[] xs = x.split("\\.");
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| 32 | String[] ys = y.split("\\.");
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| 33 |
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| 34 | //figure out n
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| 35 | int n = ys.length;
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| 36 |
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| 37 | //step through, making sure x values are higher than or equal to y values
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| 38 | for ( int i=0; i<n; i++ ) {
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| 39 | int xValue = i<xs.length ? Integer.parseInt( xs[i] ) : 0;
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| 40 | int yValue = Integer.parseInt( ys[i] );
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| 41 |
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| 42 | System.out.println( xValue + " " + yValue );
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| 43 | if( xValue < yValue ) {
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| 44 | System.out.println("x not after y");
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| 45 | return false;
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| 46 | }
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| 47 |
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| 48 | if( xValue > yValue ) {
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| 49 | System.out.println("x is after y");
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| 50 | return true;
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| 51 | }
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| 52 | }
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| 53 |
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| 54 | // if execution reaches here, first n places are equal
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| 55 | System.out.println("x is after y");
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| 56 | return true;
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| 57 | }
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| 58 |
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| 59 |
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| 60 | public void setX(String x) {
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| 61 | this.x=x;
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| 62 | }
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| 63 |
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| 64 | public void setY(String y) {
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| 65 | this.y=y;
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| 66 | }
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| 67 |
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| 68 | }
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