private static ProgramState closeResource(
ProgramState programState, @Nullable final SymbolicValue target) {
if (target != null) {
ObjectConstraint oConstraint = openedConstraint(programState, target);
if (oConstraint != null) {
return programState.addConstraint(
target.wrappedValue(), oConstraint.withStatus(Status.CLOSED));
}
}
return programState;
}
private static ObjectConstraint openedConstraint(
ProgramState programState, SymbolicValue value) {
final Object constraint = programState.getConstraint(value.wrappedValue());
if (constraint instanceof ObjectConstraint) {
ObjectConstraint oConstraint = (ObjectConstraint) constraint;
if (oConstraint.hasStatus(Status.OPENED)) {
return oConstraint;
}
}
return null;
}
@Override
public void checkEndOfExecutionPath(CheckerContext context, ConstraintManager constraintManager) {
final List<ObjectConstraint> constraints =
context.getState().getFieldConstraints(Status.OPENED);
for (ObjectConstraint constraint : constraints) {
Tree syntaxNode = constraint.syntaxNode();
String name = null;
if (syntaxNode.is(Tree.Kind.NEW_CLASS)) {
name = ((NewClassTree) syntaxNode).identifier().symbolType().name();
} else if (syntaxNode.is(Tree.Kind.METHOD_INVOCATION)) {
name = ((MethodInvocationTree) syntaxNode).symbolType().name();
}
if (name != null) {
context.reportIssue(syntaxNode, this, "Close this \"" + name + "\".");
}
}
}