Example usage for com.google.common.collect ImmutableTable columnKeySet

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableTable columnKeySet.

Prototype

@Override
    public ImmutableSet<C> columnKeySet() 

Source Link

Usage

From source file:google.registry.tools.server.ListObjectsAction.java

/**
 * Check whether to display headers. If the parameter is not set, print headers only if there
 * is more than one column./*from  w w w  . j  a v  a 2 s  .c o m*/
 */
private boolean isHeaderRowInUse(final ImmutableTable<?, String, String> data) {
    return ((printHeaderRow != null) && printHeaderRow.isPresent()) ? printHeaderRow.get()
            : (data.columnKeySet().size() > 1);
}

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From source file:google.registry.tools.server.ListObjectsAction.java

/** Converts the provided table of data to text, formatted using the provided column widths. */
private List<String> generateFormattedData(ImmutableTable<T, String, String> data,
        ImmutableMap<String, Integer> columnWidths) {
    Function<Map<String, String>, String> rowFormatter = makeRowFormatter(columnWidths);
    List<String> lines = new ArrayList<>();

    if (isHeaderRowInUse(data)) {
        // Add a row of headers (column names mapping to themselves).
        Map<String, String> headerRow = Maps.asMap(data.columnKeySet(), Functions.<String>identity());
        lines.add(rowFormatter.apply(headerRow));

        // Add a row of separator lines (column names mapping to '-' * column width).
        Map<String, String> separatorRow = Maps.transformValues(columnWidths, new Function<Integer, String>() {
            @Override/* www  .  j a v  a  2  s.  c om*/
            public String apply(Integer width) {
                return Strings.repeat("-", width);
            }
        });
        lines.add(rowFormatter.apply(separatorRow));
    }

    // Add the actual data rows.
    for (Map<String, String> row : data.rowMap().values()) {
        lines.add(rowFormatter.apply(row));
    }

    return lines;
}

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