Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/util/PredicateType.java
// $Id: PredicateType.java 15647 2008-08-29 08:17:04Z tfmorris $
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package org.argouml.util;

/**
 * A predicate which matches UML element types.
 */
public class PredicateType implements Predicate {

    private Class patterns[];

    private int patternCount;

    private String printString = null;

    protected PredicateType(Class pats[]) {
        this(pats, pats.length);
    }

    protected PredicateType(Class pats[], int numPats) {
        patterns = pats;
        patternCount = numPats;
    }

    public static PredicateType create() {
        return new PredicateType(null, 0);
    }

    public static PredicateType create(Class c0) {
        Class classes[] = new Class[1];
        classes[0] = c0;
        return new PredicateType(classes);
    }

    public static PredicateType create(Class c0, Class c1) {
        Class classes[] = new Class[2];
        classes[0] = c0;
        classes[1] = c1;
        return new PredicateType(classes);
    }

    public static PredicateType create(Class c0, Class c1, Class c2) {
        Class classes[] = new Class[3];
        classes[0] = c0;
        classes[1] = c1;
        classes[2] = c2;
        return new PredicateType(classes);
    }

    public boolean evaluate(Object o) {
        if (patternCount == 0) {
            return true;
        }
        for (int i = 0; i < patternCount; i++) {
            if (patterns[i].isInstance(o)) {
                return true;
            }
        }
        return false;
    }

    @Override
    public String toString() {
        if (printString != null) {
            return printString;
        }
        if (patternCount == 0) {
            return "Any Type";
        }
        String res = "";
        for (int i = 0; i < patternCount; i++) {
            String clsName = patterns[i].getName();
            int lastDot = clsName.lastIndexOf(".");
            clsName = clsName.substring(lastDot + 1);
            res += clsName;
            if (i < patternCount - 1) {
                res += ", ";
            }
        }
        printString = res;
        return res;
    }
}
