PPrint.java

//: net/mindview/util/PPrint.java
// Pretty-printer for collections
package net.mindview.util;

import java.util.Arrays;
import java.util.Collection;

public class PPrint {
    public static String pformat(Collection<?> c) {
        if (c.size() == 0)
            return "[]";
        StringBuilder result = new StringBuilder("[");
        for (Object elem : c) {
            if (c.size() != 1)
                result.append("\n  ");
            result.append(elem);
        }
        if (c.size() != 1)
            result.append("\n");
        result.append("]");
        return result.toString();
    }

    public static void pprint(Collection<?> c) {
        System.out.println(pformat(c));
    }

    public static void pprint(Object[] c) {
        System.out.println(pformat(Arrays.asList(c)));
    }
} // /:~