com.sun.enterprise.admin.util.RowFormatter Maven / Gradle / Ivy
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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