@Override
public int execute(Session session, SqshOptions options) throws Exception {
ConnectionContext conn = session.getConnectionContext();
if (conn == null) {
session.err.println("No connection established");
return 1;
}
List<String> vars = conn.getGlobals();
Collections.sort(vars);
ColumnDescription[] columns = new ColumnDescription[1];
columns[0] = new ColumnDescription("Global", -1);
Renderer renderer = session.getRendererManager().getCommandRenderer(session);
renderer.header(columns);
for (String var : vars) {
String row[] = new String[1];
row[0] = var;
renderer.row(row);
}
renderer.flush();
return 0;
}
/** {@inheritDoc} */
public void header(ColumnDescription[] columns) {
super.header(columns);
int totalWidth = 0;
/*
* Print the column names.
*/
for (int i = 0; i < columns.length; i++) {
/*
* isql caps the display width of the column header at 512.
*/
if (columns[i].getWidth() > 512) columns[i].setWidth(512);
if (i > 0 && (totalWidth + columns[i].getWidth() + 1) > screenWidth) {
session.out.println();
session.out.print(" \t");
totalWidth = 9;
} else {
session.out.print(' ');
++totalWidth;
}
printColumnName(columns[i], columns[i].getName());
totalWidth += columns[i].getWidth();
}
session.out.println();
/*
* Now our dashes.
*/
for (int i = 0; i < columns.length; i++) {
if (i > 0 && (totalWidth + columns[i].getWidth() + 1) > screenWidth) {
session.out.println();
session.out.print(" \t");
totalWidth = 9;
} else {
session.out.print(' ');
++totalWidth;
}
dashes(columns[i].getWidth());
totalWidth += columns[i].getWidth();
}
session.out.println();
}
