package com.fasterxml.jackson.databind.util;
public class ViewMatcher implements java.io.Serializable
{
private static final long serialVersionUID = 1L;
protected final static ViewMatcher EMPTY = new ViewMatcher();
public boolean isVisibleForView(Class<?> activeView) { return false; }
public static ViewMatcher construct(Class<?>[] views)
{
if (views == null) {
return EMPTY;
}
switch (views.length) {
case 0:
return EMPTY;
case 1:
return new Single(views[0]);
}
return new Multi(views);
}
private final static class Single extends ViewMatcher
{
private static final long serialVersionUID = 1L;
private final Class<?> _view;
public Single(Class<?> v) { _view = v; }
@Override
public boolean isVisibleForView(Class<?> activeView) {
return (activeView == _view) || _view.isAssignableFrom(activeView);
}
}
private final static class Multi extends ViewMatcher
implements java.io.Serializable
{
private static final long serialVersionUID = 1L;
private final Class<?>[] _views;
public Multi(Class<?>[] v) { _views = v; }
@Override
public boolean isVisibleForView(Class<?> activeView)
{
for (int i = 0, len = _views.length; i < len; ++i) {
Class<?> view = _views[i];
if ((activeView == view) || view.isAssignableFrom(activeView)) {
return true;
}
}
return false;
}
}
}