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org.infohazard.maverick.flow
Interface TransformStep
- All Known Implementing Classes:
- LastStep
- public interface TransformStep
The TransformStep defines a transformation step in a single request. It is used and then disposed of. It provides convenient facades for most of the usual output mechanisms that views and previous transforms might want. Unlike a Transform, a TransformStep is used in a single request and then thrown away.
| Method Summary | |
void |
done()
This should be called after writing is complete. |
javax.servlet.http.HttpServletResponse |
getResponse()
Must call done() when finished. |
org.xml.sax.ContentHandler |
getSAXHandler()
Must call done() when finished. |
java.io.Writer |
getWriter()
Must call done() when finished. |
void |
go(java.io.Reader input)
This is available if it is more convenient. |
void |
go(javax.xml.transform.Source input)
This is available if it is more convenient. |
void |
go(java.lang.String input)
This is available if it is more convenient. |
boolean |
isLast()
Your steps should always return false. |
void |
setContentType(java.lang.String contentType)
This method allows content-type information to be passed into the subsequent step. |
| Method Detail |
isLast
public boolean isLast()
- Your steps should always return false. The last step, which
is not really a step at all - it's the real output stream,
will return true.
setContentType
public void setContentType(java.lang.String contentType)
- This method allows content-type information to be passed into the
subsequent step. It is equivalent to getResponse().setContentType(),
however it can be used for all the other output methods (which
do not provide a HttpServletResponse interface. Calling this method
is optional but recommended so that prematurely halted transformations
can have an intelligently set content-type.
getSAXHandler
public org.xml.sax.ContentHandler getSAXHandler() throws java.io.IOException, javax.servlet.ServletException
- Must call done() when finished.
getResponse
public javax.servlet.http.HttpServletResponse getResponse() throws java.io.IOException, javax.servlet.ServletException
- Must call done() when finished.
getWriter
public java.io.Writer getWriter() throws java.io.IOException, javax.servlet.ServletException
- Must call done() when finished.
done
public void done()
throws java.io.IOException,
javax.servlet.ServletException
- This should be called after writing is complete.
go
public void go(javax.xml.transform.Source input) throws java.io.IOException, javax.servlet.ServletException
- This is available if it is more convenient.
go
public void go(java.io.Reader input) throws java.io.IOException, javax.servlet.ServletException
- This is available if it is more convenient.
go
public void go(java.lang.String input) throws java.io.IOException, javax.servlet.ServletException
- This is available if it is more convenient.
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SUMMARY: JAVADOC | SOURCE | DOWNLOAD | NESTED | FIELD | CONSTR | METHOD |
DETAIL: FIELD | CONSTR | METHOD | ||||||||