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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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 * language governing permissions and limitations under the License.
 *
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 * GPL Classpath Exception:
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 *
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package com.sun.enterprise.admin.util;

/**
 * This is a utility class which will  be used
 * to format data where tabular formats cannot be used
 *
 * @author Bhakti Mehta
 */
public class RowFormatter {

    private int numRows = -1;
    private final String[] headings;

    public RowFormatter(String[] h) {
        headings = h;
        numRows = headings.length;
    }

    /**
     * This will return a String of the format
     * HEADING1  :value1
     * HEADING2  :value 2
     * @param objs : The values which are to be displayed
     * @return  The String containing the formatted headings and values
     */
    public String addColumn(Object[] objs ){
         // check to make sure the number of rows is the same as what we already have
        if (numRows != -1) {
            if (objs.length != numRows) {
                throw new IllegalArgumentException(
                        String.format("invalid number of columns (%d), expected (%d)",
                            objs.length, numRows));
            }
        }


        int longestValue = 0;
        for (int i = 0; i < numRows; i++) {
            if (headings != null && headings[i].length() > longestValue) {
                longestValue = headings[i].length();
            }


        }
        longestValue += 2;
        StringBuilder sb = new StringBuilder();

        StringBuilder formattedline = new StringBuilder("%1$-"+longestValue +"s:%2$-1s");
        for (int i = 0; i