12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485 |
- /*
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.fo.properties;
-
- import org.apache.fop.fo.Constants;
- import org.apache.fop.fo.PropertyList;
- import org.apache.fop.fo.expr.PropertyException;
-
- /**
- * The "role" and "source-document" properties, see Section 7.5 of the XSL-FO 1.1
- * Recommendation.
- */
- public final class CommonAccessibility {
-
- private static final CommonAccessibility DEFAULT_INSTANCE = new CommonAccessibility(null, null);
-
- private final String sourceDocument;
-
- private final String role;
-
- private CommonAccessibility(String sourceDocument, String role) {
- this.sourceDocument = sourceDocument;
- this.role = role;
- }
-
- /**
- * Returns an instance that matches the values (if any) in the given property list.
- *
- * @param propertyList a list from which to retrieve the accessibility properties
- * @return the corresponding instance
- * @throws PropertyException if a problem occurs while retrieving the properties
- */
- public static CommonAccessibility getInstance(PropertyList propertyList)
- throws PropertyException {
- String sourceDocument = propertyList.get(Constants.PR_SOURCE_DOCUMENT).getString();
- if ("none".equals(sourceDocument)) {
- sourceDocument = null;
- }
- String role = propertyList.get(Constants.PR_ROLE).getString();
- if ("none".equals(role)) {
- role = null;
- }
- if (sourceDocument == null && role == null) {
- return DEFAULT_INSTANCE;
- } else {
- return new CommonAccessibility(sourceDocument, role);
- }
- }
-
- /**
- * Returns the value of the source-document property.
- *
- * @return the source document, or null if the property was set to "none"
- */
- public String getSourceDocument() {
- return sourceDocument;
- }
-
- /**
- * Returns the value of the role property.
- *
- * @return the role, or null if the property was set to "none"
- */
- public String getRole() {
- return role;
- }
-
- }
|