| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.forms.formmodel; |
| |
| import org.apache.cocoon.forms.FormsException; |
| import org.apache.cocoon.forms.formmodel.library.Library; |
| import org.apache.cocoon.forms.util.DomHelper; |
| |
| import org.w3c.dom.Element; |
| |
| /** |
| * @version $Id$ |
| */ |
| public class ImportDefinitionBuilder extends AbstractWidgetDefinitionBuilder { |
| |
| public static final String PREFIX_ATTRIBUTE = "prefix"; |
| public static final String URI_ATTRIBUTE = "uri"; |
| |
| /** |
| * Imports a new library |
| */ |
| public WidgetDefinition buildWidgetDefinition(Element widgetElement, WidgetDefinitionBuilderContext context) |
| throws Exception { |
| if (context.getLocalLibrary() == null) { |
| throw new FormsException("Import statement seen and context is empty.", |
| DomHelper.getLocationObject(widgetElement)); |
| } |
| |
| Library lib = context.getLocalLibrary(); |
| String prefix = DomHelper.getAttribute(widgetElement, PREFIX_ATTRIBUTE); |
| String uri = DomHelper.getAttribute(widgetElement, URI_ATTRIBUTE); |
| |
| if (!lib.includeAs(prefix, uri)) { |
| throw new FormsException("Import statement did not succeed (probably used ':' in the prefix?).", |
| DomHelper.getLocationObject(widgetElement)); |
| } |
| |
| return null; |
| } |
| } |