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A generic command shell with a client and server part.
There is a newer version: 3.3.2
/*
 * Copyright (c) 2002-2016 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.shell;

import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import static java.lang.System.lineSeparator;

public class ColumnPrinter
{
    private final Column rawColumn;
    private final List columns = new ArrayList();

    public ColumnPrinter( String... columnPrefixes )
    {
        for ( String prefix : columnPrefixes )
        {
            this.columns.add( new Column( prefix ) );
        }
        rawColumn = new RawColumn( columnPrefixes[0].length() );
    }

    public void add( Object... columns )
    {
        Iterator columnIterator = this.columns.iterator();
        rawColumn.add( "" );
        for ( Object column : columns )
        {
            columnIterator.next().add( column.toString() );
        }
        if ( columnIterator.hasNext() )
        {
            throw new IllegalArgumentException( "Invalid column count " + columns.length + ", expected " +
                    this.columns.size() );
        }
    }

    public void addRaw( String string )
    {
        rawColumn.add( string );
        for ( Column col : columns )
        {
            col.add( "" );
        }
    }

    public void print( Output out ) throws RemoteException
    {
        Column firstColumn = columns.get( 0 );
        for ( int line = 0; line < firstColumn.size(); line++ )
        {
            if ( !rawColumn.print( out, line ) )
            {
                firstColumn.print( out, line );
                for ( int col = 1; col < columns.size(); col++ )
                {
                    columns.get( col ).print( out, line );
                }
            }
            out.println();
        }
    }

    private static class Column
    {
        private int widest = 0;
        protected final List cells = new ArrayList();
        protected final String prefix;

        public Column( String prefix )
        {
            this.prefix = prefix;
        }

        void add( String cell )
        {
            cells.add( cell );
            widest = Math.max( widest, cell.length() );
        }

        int size()
        {
            return cells.size();
        }

        boolean print( Output out, int i ) throws RemoteException
        {
            String value = cells.get( i );
            out.print( prefix + value + multiply( " ", widest - value.length() + 1 ) );
            return value.length() > 0;
        }
    }

    private static class RawColumn extends Column
    {
        public RawColumn( int indentation )
        {
            super( multiply( " ", indentation ) );
        }

        @Override
        boolean print( Output out, int i ) throws RemoteException
        {
            String value = cells.get( i );
            if ( value.length() > 0 )
            {
                for ( String line : value.split( lineSeparator() ) )
                {
                    out.print( prefix + "|" + line + lineSeparator() );
                }
                return true;
            }
            return false;
        }
    }

    private static String multiply( String string, int count )
    {
        StringBuilder builder = new StringBuilder();
        for ( int i = 0; i < count; i++ )
        {
            builder.append( string );
        }
        return builder.toString();
    }
}