migration.processor

Class ConcreteDiffFileProcessor

java.lang.Object

migration.processor.ConcreteDiffFileProcessor

All Implemented Interfaces:

DiffFileProcessor

public class ConcreteDiffFileProcessor
extends java.lang.Object
implements DiffFileProcessor

Processes the DiffFile.

Author:

max

Constructor Summary

Constructors

Constructor and Description
ConcreteDiffFileProcessor()

Method Summary

Modifier and Type	Method and Description
private void	createOneLineChange(DiffPartFileLine line, ChangeType classification, java.util.Set<VariableDefinitionChange> changes) creates a one line change for the line.
private void	createOneLineChanges(java.util.List<DiffPartFileLine> removedLines, java.util.List<DiffPartFileLine> addedLines, java.util.Set<VariableDefinitionChange> changes) create the one line change entries for the remaining lines.
private void	detectRenominations(java.util.List<DiffPartFileLine> removedLines, java.util.List<DiffPartFileLine> addedLines, java.util.Set<VariableDefinitionChange> changes, DiffFile diffFile) Detects all renamed definitions.
private void	detectShiftsAndContentChanges(java.util.List<DiffPartFileLine> removedLines, java.util.List<DiffPartFileLine> addedLines, java.util.Set<VariableDefinitionChange> changes) Detects all shifted and content-changed variable definitions.
private void	fillAddedAndRemovedLinesLists(DiffFile diffFile, java.util.List<DiffPartFileLine> removedLines, java.util.List<DiffPartFileLine> addedLines) Adds all Added/removed lines to the respective list, if they contain a variable definition.
ProcessedDiffFile	process(DiffFile diffFile)
private void	processRemainingLines(java.util.List<DiffPartFileLine> remainingLines, ChangeType classification, java.util.Set<VariableDefinitionChange> changes) creates one line changes with the given classification for each line.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcreteDiffFileProcessor

public ConcreteDiffFileProcessor()

Method Detail

process

public ProcessedDiffFile process(DiffFile diffFile)

Specified by:

process in interface DiffFileProcessor

Parameters:

diffFile - passed from scanner that needs to be processed

Returns:

the processed diffs in a ProcessedDiffFile as IdentifierSynopsis-objects

fillAddedAndRemovedLinesLists

private void fillAddedAndRemovedLinesLists(DiffFile diffFile,
                                           java.util.List<DiffPartFileLine> removedLines,
                                           java.util.List<DiffPartFileLine> addedLines)

Adds all Added/removed lines to the respective list, if they contain a variable definition.

Parameters:

diffFile - the diffFile

removedLines - the list for the removed lines

addedLines - the list for the added lines

detectShiftsAndContentChanges

private void detectShiftsAndContentChanges(java.util.List<DiffPartFileLine> removedLines,
                                           java.util.List<DiffPartFileLine> addedLines,
                                           java.util.Set<VariableDefinitionChange> changes)

Detects all shifted and content-changed variable definitions.

Parameters:

removedLines - the list of removed lines

addedLines - the list of added lines

changes - the list for the changes to be stored

detectRenominations

private void detectRenominations(java.util.List<DiffPartFileLine> removedLines,
                                 java.util.List<DiffPartFileLine> addedLines,
                                 java.util.Set<VariableDefinitionChange> changes,
                                 DiffFile diffFile)

Detects all renamed definitions. Requires that all shifted definitions have been detected.

Parameters:

removedLines - the list of removed lines

addedLines - the list of added lines

changes - the list for the changes to be stored

diffFile - the diffFile to be processed

createOneLineChanges

private void createOneLineChanges(java.util.List<DiffPartFileLine> removedLines,
                                  java.util.List<DiffPartFileLine> addedLines,
                                  java.util.Set<VariableDefinitionChange> changes)

create the one line change entries for the remaining lines.

Parameters:

addedLines - the remaining add lines

removedLines - the remaining remove lines

changes - the list for the changes to be stored

processRemainingLines

private void processRemainingLines(java.util.List<DiffPartFileLine> remainingLines,
                                   ChangeType classification,
                                   java.util.Set<VariableDefinitionChange> changes)

creates one line changes with the given classification for each line.

Parameters:

remainingLines - the list of removed lines

classification - the classification of the change

changes - the list for the changes to be stored

createOneLineChange

private void createOneLineChange(DiffPartFileLine line,
                                 ChangeType classification,
                                 java.util.Set<VariableDefinitionChange> changes)

creates a one line change for the line.

Parameters:

line - the line to be processed

classification - the classification of the change

changes - the list for the changes to be stored