StringBuilderWriter.java

package org.apache.commons.io.output;

import java.io.Serializable;
import java.io.Writer;

public class StringBuilderWriter extends Writer
  implements Serializable
{
  private final StringBuilder builder;

  public StringBuilderWriter()
  {
    this.builder = new StringBuilder();
  }

  public StringBuilderWriter(int capacity)
  {
    this.builder = new StringBuilder(capacity);
  }

  public Writer append(char value)
  {
    this.builder.append(value);
    return this;
  }

  public Writer append(CharSequence value)
  {
    this.builder.append(value);
    return this;
  }

  public Writer append(CharSequence value, int start, int end)
  {
    this.builder.append(value, start, end);
    return this;
  }

  public void close()
  {
  }

  public void flush()
  {
  }

  public void write(String value)
  {
    if (value != null)
      this.builder.append(value);
  }

  public void write(char[] value, int offset, int length)
  {
    if (value != null)
      this.builder.append(value, offset, length);
  }

  public String toString()
  {
    return this.builder.toString();
  }
}