1. /*
  2. * Copyright 2001,2003-2004 The Apache Software Foundation
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. *
  16. */
  17. package org.apache.tools.ant.taskdefs.optional.perforce;
  18. import org.apache.tools.ant.BuildException;
  19. import org.apache.tools.ant.taskdefs.ExecuteStreamHandler;
  20. /** Interface for p4 job output stream handler. Classes implementing this interface
  21. * can be called back by P4Base.execP4Command();
  22. *
  23. */
  24. public interface P4Handler extends ExecuteStreamHandler {
  25. /**
  26. * processing of one line of stdout or of stderr
  27. * @param line a line of stdout or stderr that the implementation will process
  28. * @throws BuildException at the discretion of the implementation.
  29. */
  30. void process(String line) throws BuildException;
  31. /**
  32. * set any data to be written to P4's stdin
  33. * @param line the text to write to P4's stdin
  34. * @throws BuildException if the line cannot be processed.
  35. */
  36. void setOutput(String line) throws BuildException;
  37. }