Package org.apache.calcite.avatica.util

Class Spaces

java.lang.Object

org.apache.calcite.avatica.util.Spaces

public class Spaces
extends Object

Utilities for creating strings of spaces.

Field Summary

Fields

Modifier and Type	Field	Description
static final CharSequence	MAX	The longest possible string of spaces.

Method Summary

Modifier and Type	Method	Description
static PrintWriter	append(PrintWriter pw, int n)	Appends n spaces to a PrintWriter.
static StringWriter	append(StringWriter pw, int n)	Appends n spaces to a StringWriter.
static Appendable	append(Appendable buf, int n)	Appends n spaces to an Appendable.
static StringBuffer	append(StringBuffer buf, int n)	Appends n spaces to a StringBuffer.
static StringBuilder	append(StringBuilder buf, int n)	Appends n spaces to a StringBuilder.
static String	of(int n)	Returns a string of n spaces.
static String	padLeft(String string, int n)	Returns a string that is padded on the left with spaces to the given length.
static String	padRight(String string, int n)	Returns a string that is padded on the right with spaces to the given length.
static CharSequence	sequence(int n)	Creates a sequence of n spaces.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MAX

public static final CharSequence MAX

The longest possible string of spaces. Fine as long as you don't try to print it.

Use with StringBuilder.append(CharSequence, int, int) to append spaces without doing memory allocation.

Method Details

sequence

public static CharSequence sequence(int n)

Creates a sequence of n spaces.

of

public static String of(int n)

Returns a string of n spaces.

append

public static Appendable append(Appendable buf,
 int n)
                         throws IOException

Appends n spaces to an Appendable.

Throws:

IOException

append

public static PrintWriter append(PrintWriter pw,
 int n)

Appends n spaces to a PrintWriter.

append

public static StringWriter append(StringWriter pw,
 int n)

Appends n spaces to a StringWriter.

append

public static StringBuilder append(StringBuilder buf,
 int n)

Appends n spaces to a StringBuilder.

append

public static StringBuffer append(StringBuffer buf,
 int n)

Appends n spaces to a StringBuffer.

padRight

public static String padRight(String string,
 int n)

Returns a string that is padded on the right with spaces to the given length.

padLeft

public static String padLeft(String string,
 int n)

Returns a string that is padded on the left with spaces to the given length.