/**
* Appends the contents of the specified {@code StringBuffer}. If the
* StringBuffer is {@code null}, then the string {@code "null"} is
* appended.
*
* @param sb
* the {@code StringBuffer} to append.
* @return this builder.
*/
public StringBuilder append(StringBuffer sb)
{
if (sb == null) {
appendNull();
} else {
append0(sb.getValue(), 0, sb.length());
}
return this;
}
/**
* Adds the specified java.lang.StringBuffer to the end of this buffer.
* <p />
* If the specified java.lang.StringBuffer is {@code null} the string {@code "null"}
* is appended, otherwise the contents of the specified java.lang.StringBuffer is
* appended.
*
* @param sb
* the java.lang.StringBuffer to append (may be null).
* @return this StringBuffer.
*
* @since 1.4
*/
public java.lang.StringBuffer append(StringBuffer sb)
{
lock (this) {
if (sb == null) {
appendNull();
} else {
lock (sb) {
append0(sb.getValue(), 0, sb.length());
}
}
return this;
}
}