/**
* Returns a copy of the provided nodes list.
*
* @param <T> the actual nodes's type
* @param nodes the nodes list to copy
* @return a single node, representing a copy of the nodes list
*/
public <T extends ASTNode> T copyRange(List<T> nodes) {
if (nodes.isEmpty()) {
return null;
}
if (!isValidForRangeCopy(nodes)) {
throw new IllegalArgumentException(
nodes.get(0), "The provided nodes are not valid for doing a range copy: " + nodes);
}
return refactorings.createCopyTarget(nodes.get(0), nodes.get(nodes.size() - 1));
}
/**
* Returns a placeholder where to move the provided {@link ASTNode}.
*
* @param <T> the actual node type
* @param nodeToMove the node to move
* @return a placeholder for the moved node
*/
public <T extends ASTNode> T move(T nodeToMove) {
return refactorings.createMoveTarget(nodeToMove);
}
private boolean isValidForRangeCopy(List<? extends ASTNode> nodes) {
return nodesHaveSameParentAndLocation(nodes) && refactorings.isValidRange(nodes);
}
/**
* Returns a copy of the provided {@link ASTNode}.
*
* @param <T> the actual node type
* @param nodeToCopy the node to copy
* @return a copy of the node
*/
public <T extends ASTNode> T copy(T nodeToCopy) {
if (isValidInCurrentAST(nodeToCopy)) {
return refactorings.createCopyTarget(nodeToCopy);
}
return copySubtree(nodeToCopy);
}
/**
* Class constructor.
*
* @param refactorings the refactorings
*/
public ASTBuilder(final Refactorings refactorings) {
this.refactorings = refactorings;
this.ast = refactorings.getAST();
}