private Object displayList()

in gshell-commands/gshell-builtin/src/main/java/org/apache/geronimo/gshell/commands/builtin/SetAction.java [92:155]
44 lines of code
8 McCabe index (conditional complexity)

    private Object displayList(final CommandContext context) throws Exception {
        assert context != null;
        IO io = context.getIo();

        // NOTE: Using io.outputStream to display values to avoid any ANSI encoding or other translation.
        
        switch (mode) {
            case PROPERTY: {
                Properties props = System.getProperties();

                for (Object o : props.keySet()) {
                    String name = (String) o;
                    String value = props.getProperty(name);

                    io.outputStream.print(name);
                    io.outputStream.print("='");
                    io.outputStream.print(value);
                    io.outputStream.print("'");

                    // Value is always a string, so no need to add muck here for --verbose

                    io.outputStream.println();
                }
                break;
            }

            case VARIABLE: {
                Variables variables = context.getVariables();
                Iterator<String> iter = variables.names();

                while (iter.hasNext()) {
                    String name = iter.next();

                    // HACK: Hide some internal muck for now
                    if (name.startsWith("gshell.internal")) {
                        continue;
                    }

                    Object value = variables.get(name);

                    io.outputStream.print(name);
                    io.outputStream.print("='");
                    io.outputStream.print(value);
                    io.outputStream.flush();
                    io.outputStream.print("'");

                    // When --verbose include the class details of the value
                    if (verbose && value != null) {
                        io.outputStream.print(" (");
                        io.outputStream.print(value.getClass());
                        io.outputStream.print(")");
                    }

                    io.outputStream.println();
                }
                break;
            }
        }

        // Manually flush the stream, normally framework only flushes io.out
        io.outputStream.flush();

        return Result.SUCCESS;
    }