001    package net.sourceforge.retroweaver.runtime.java.io;
002    
003    import java.io.StringWriter;
004    
005    public class StringWriter_ {
006    
007            public static StringWriter append(StringWriter w, char c) {
008                    w.write(c);
009                    return w;
010            }
011    
012            public static StringWriter append(StringWriter w, CharSequence csq) {
013                    w.write(csq==null?"null":csq.toString());
014                    return w;
015            }
016    
017            public static StringWriter append(StringWriter w, CharSequence csq, int start, int end) {
018                    w.write(csq==null?"null".substring(start, end):csq.subSequence(start, end).toString());
019                    return w;
020            }
021    
022    }