package tuning.stringconvert;
import java.util.Vector;
/**
* Class to replace StringBuffer for optimized appends.
* <p>
* StringBufferWrapper can be used in a very similar way to StringBuffer, e.g.
* <pre>
* StringBufferWrapper s = new StringBufferWrapper();
* s.append(567).append(" is ").append(33.5).append('%');
* </pre>
* You can access the underlying StringBuffer directly as the instance
* variable s is public.
* @see AppenderHelper
*/
public class StringBufferWrapper
{
private static final AppenderHelper HELPER = AppenderHelper.SINGLETON;
/**
* Instance variable holding the underlying StringBuffer.
*/
public StringBuffer s;
/**
* Empty argument constructor creates a new StringBuffer for the internal
* <code>s</code> instance variable.
*/
public StringBufferWrapper()
{
s = new StringBuffer();
}
/**
* One argument constructor sets the internal
* <code>s</code> instance variable to the StringBuffer.
* @param buf the StringBuffer.
*/
public StringBufferWrapper(StringBuffer buf)
{
s = buf;
}
/**
* Appends the string representation of the
* char array argument to the string buffer.
* @param c the characters to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(char[] c)
{
HELPER.append(s,c);
return this;
}
/**
* Appends the string representation of a subarray of the
* char array argument to the string buffer.
* @param c the characters to be appended.
* @param offset the index of the first character to append.
* @param len the number of characters to append.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(char[] c, int offset, int len)
{
HELPER.append(s,c,offset,len);
return this;
}
/**
* Appends the character to the string buffer.
* @param c the character to be appended.
* @return this StringBufferWrapper
* @see StringBuffer#append(char)
*/
public StringBufferWrapper append(char c)
{
HELPER.append(s,c);
return this;
}
/**
* Appends the string representation of the
* double argument to the string buffer.
* @param d the double to be appended.
* @return this StringBufferWrapper
* @see StringBuffer#append(double)
*/
public StringBufferWrapper append(double d)
{
HELPER.append(s,d);
return this;
}
/**
* Appends the string representation of the
* float argument to the string buffer.
* @param d the float to be appended.
* @return this StringBufferWrapper
* @see StringBuffer#append(float)
*/
public StringBufferWrapper append(float d)
{
HELPER.append(s,d);
return this;
}
/**
* Appends the string representation of the
* long argument to the string buffer.
* @param i the long to be appended.
* @return this StringBufferWrapper
* @see StringBuffer#append(long)
*/
public StringBufferWrapper append(long i)
{
HELPER.append(s,i);
return this;
}
/**
* Appends the string representation of the
* Appendable argument to the string buffer. Does so by calling the
* <code>appendTo</code> method of the Appendable.
* @param o the Appendable to be appended.
* @return this StringBufferWrapper
* @see Appendable
*/
public StringBufferWrapper append(Appendable o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Appendable argument to the string buffer. Does so by calling the
* <code>appendTo</code> method of the Appendable.
* @param o the Appendable to be appended.
* @param depth the depth with which to display the Appendable.
* @return this StringBufferWrapper
* @see Appendable
*/
public StringBufferWrapper append(Appendable o, int depth)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Boolean argument to the string buffer.
* @param o the Boolean to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Boolean o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Byte argument to the string buffer.
* @param o the Byte to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Byte o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Character argument to the string buffer.
* @param o the Character to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Character o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Double argument to the string buffer.
* @param o the Double to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Double o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Float argument to the string buffer.
* @param o the Float to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Float o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Integer argument to the string buffer.
* @param o the Integer to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Integer o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Long argument to the string buffer.
* @param o the Long to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Long o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Object argument to the string buffer. If o is an Appendable, this will
* delegate the append to the <code>appendTo</code> method.
* If o has a registered append mapping, then this will delegate the append
* to the registered AppendConverter object.
* @param o the Object to be appended.
* @return this StringBufferWrapper
* @see Appendable
* @see AppendConverter
*/
public StringBufferWrapper append(Object o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Object argument to the string buffer. If o is an Appendable, this will
* delegate the append to the <code>appendTo</code> method.
* If o has a registered append mapping, then this will delegate the append
* to the registered AppendConverter object.
* @param o the Object to be appended.
* @param depth the depth with which to display the object.
* @return this StringBufferWrapper
* @see Appendable
* @see AppendConverter
*/
public StringBufferWrapper append(Object o, int depth)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* Short argument to the string buffer.
* @param o the Short to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(Short o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* String argument to the string buffer.
* @param o the String to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(String o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends a java.util.Vector to a StringBuffer.
* <p>
* Since Vector is an object containing other objects, the contained objects
* are also appended to the StringBuffer. These appended objects are also asked
* to be appended by the AppenderHelper object.
* <p>
*
* @param o the Vector who's display is to be appended.
*/
public StringBufferWrapper append(Vector o)
{
HELPER.append(s,o);
return this;
}
/**
* Appends a java.util.Vector to a StringBuffer.
* <p>
* Since Vector is an object containing other objects, the contained objects
* are also appended to the StringBuffer. These appended objects are also asked
* to be appended by the AppenderHelper object.
* <p>
* The <code>depth</code> parameter specifies how deep the contained objects
* network should be asked to appended to the StringBuffer. A depth of 0
* means just use a default representation of the object with no further
* contained objects asked to rpresent themselves.
*
* @param o the Vector who's display is to be appended.
* @param depth depth of display for the Vector.
*/
public StringBufferWrapper append(Vector o, int depth)
{
HELPER.append(s,o);
return this;
}
/**
* Appends the string representation of the
* boolean argument to the string buffer.
* @param o the boolean to be appended.
* @return this StringBufferWrapper
*/
public StringBufferWrapper append(boolean b)
{
HELPER.append(s,b);
return this;
}
} |
