EclipsePreferencesProvider.java 文件源码

public IPreferenceValues getPreferenceValues(Resource context) {
    final IProject project = getProject(context);
    final IPreferenceStore store = project != null ?
        access.getContextPreferenceStore(project) :
        access.getPreferenceStore();

    @SuppressWarnings("deprecation")
    final Map<String, String> computingMap = new MapMaker().makeComputingMap(
            new Function<String, String>() {
                public String apply(String input) {
                    return store.getString(input);
                }
            });

    return new IPreferenceValues() {
        public String getPreference(PreferenceKey key) {
            try {
                final String string = computingMap.get(key.getId());
                return org.eclipse.jface.preference.IPreferenceStore.STRING_DEFAULT_DEFAULT.equals(string) ? key.getDefaultValue() : string;
            } catch (Exception e) {
                log.error("Error getting preference for key '"+key.getId()+"'.", e);
                return key.getDefaultValue();
            }
        }
    };
}