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JMockit is a Java toolkit for developer (unit/integration) testing. It contains mocking APIs and other tools, supporting both JUnit and TestNG. The mocking APIs allow all kinds of Java code, without testability restrictions, to be tested in isolation from selected dependencies.

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/*  Copyright (c) 2000-2006 hamcrest.org
 */
package mockit.external.hamcrest;

import java.io.IOException;

/**
 * A {@link Description} that is stored as a string.
 */
public final class StringDescription extends BaseDescription
{
   private final Appendable out;

   public StringDescription()
   {
      this(new StringBuilder());
   }

   public StringDescription(Appendable out)
   {
      this.out = out;
   }

   /**
    * Return the description of a {@link SelfDescribing} object as a String.
    *
    * @param selfDescribing The object to be described.
    * @return The description of the object.
    */
   public static String toString(SelfDescribing selfDescribing)
   {
      return new StringDescription().appendDescriptionOf(selfDescribing).toString();
   }

   @Override
   protected void append(CharSequence str)
   {
      try {
         out.append(str);
      }
      catch (IOException e) {
         throw new RuntimeException("Could not write description", e);
      }
   }

   @Override
   protected void append(char c)
   {
      try {
         out.append(c);
      }
      catch (IOException e) {
         throw new RuntimeException("Could not write description", e);
      }
   }

   /**
    * Returns the description as a string.
    */
   @Override
   public String toString()
   {
      return out.toString();
   }
}