public void revertChange(NodeRewriteEvent event) {
Object originalValue = event.getOriginalValue();
if (originalValue == null) {
List entries = getEntries();
entries.remove(event);
} else {
event.setNewValue(originalValue);
}
}
public RewriteEvent replaceEntry(ASTNode entry, ASTNode newEntry) {
if (entry == null) {
throw new IllegalArgumentException();
}
List entries = getEntries();
int nEntries = entries.size();
for (int i = 0; i < nEntries; i++) {
NodeRewriteEvent curr = (NodeRewriteEvent) entries.get(i);
if (curr.getOriginalValue() == entry || curr.getNewValue() == entry) {
curr.setNewValue(newEntry);
if (curr.getNewValue() == null
&& curr.getOriginalValue() == null) { // removed an inserted node
entries.remove(i);
return null;
}
return curr;
}
}
return null;
}
public void setNewValue(ASTNode newValue, int insertIndex) {
NodeRewriteEvent curr = (NodeRewriteEvent) getEntries().get(insertIndex);
curr.setNewValue(newValue);
}
