org.gcube.datatransformation.datatransformationlibrary.programs

Class P2PProgram

java.lang.Object

org.gcube.datatransformation.datatransformationlibrary.programs.Elm2ElmProgram

org.gcube.datatransformation.datatransformationlibrary.programs.Stream2StreamProgram

org.gcube.datatransformation.datatransformationlibrary.programs.P2PProgram

All Implemented Interfaces:

Program

public abstract class P2PProgram
extends Stream2StreamProgram

Author:

Dimitris Katris, NKUA

Abstract helper class that implements the Program interface.

Each class that extends the P2PProgram shall implement the P2PProgram#transformObjectFromItsPath(String, List, ContentType) method which takes as input a file location and returns the location of a file which contains the transformed content.

Constructor Summary

Constructors

Constructor and Description
P2PProgram()

Method Summary

Modifier and Type	Method and Description
abstract String	transformObjectFromItsPath(String sourceContentPath, List<Parameter> progparameters, ContentType targetContentType, String targetContentPath) Transforms the content of a file whose location is contentpath to the targetContentType and returns the transformed content in a file.
InputStream	transformStream(InputStream content, ContentType sourceFormat, List<Parameter> progparameters, ContentType targetContentType) Transforms the content to the targetContentType and returns the transformed content as a stream.

Methods inherited from class org.gcube.datatransformation.datatransformationlibrary.programs.Stream2StreamProgram

transformDataElement

Methods inherited from class org.gcube.datatransformation.datatransformationlibrary.programs.Elm2ElmProgram

transform

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

P2PProgram

public P2PProgram()

Method Detail

transformStream

public InputStream transformStream(InputStream content,
                                   ContentType sourceFormat,
                                   List<Parameter> progparameters,
                                   ContentType targetContentType)
                            throws Exception

Description copied from class: Stream2StreamProgram

Transforms the content to the targetContentType and returns the transformed content as a stream.

Specified by:

transformStream in class Stream2StreamProgram

Parameters:

content - The content of the source DataElement.

sourceFormat - The ContentType of the source DataElement.

progparameters - The parameters of the Program.

targetContentType - The ContentType in which the DataElement will be transformed.

Returns:

The transformed content.

Throws:

Exception - If the Program is not capable to transform DataElements.

See Also:

Stream2StreamProgram.transformStream(java.io.InputStream, org.gcube.datatransformation.datatransformationlibrary.model.ContentType, java.util.List, org.gcube.datatransformation.datatransformationlibrary.model.ContentType)

transformObjectFromItsPath

public abstract String transformObjectFromItsPath(String sourceContentPath,
                                                  List<Parameter> progparameters,
                                                  ContentType targetContentType,
                                                  String targetContentPath)
                                           throws Exception

Transforms the content of a file whose location is contentpath to the targetContentType and returns the transformed content in a file.

Parameters:

sourceContentPath - The location of the source file.

progparameters - The parameters of the Program.

targetContentType - The ContentType in which the DataElement will be transformed.

targetContentPath - The path for the transformed content.

Returns:

The path of the transformed content.

Throws:

Exception - If the Program is not capable to transform DataElements.