| /* |
| * 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.datatypes; |
| |
| import org.apache.fop.fo.FObj; |
| |
| /** |
| * This base context is used during validation when the actual base values are still unknown |
| * but should still already be checked. The actual value returned is not so important in this |
| * case. But it's important that zero and non-zero values can be distinguished. |
| * <p> |
| * Example: A table with collapsing border model has no padding. The Table FO should be able |
| * to check if non-zero values (even percentages) have been specified. |
| */ |
| public final class ValidationPercentBaseContext implements PercentBaseContext { |
| |
| /** |
| * Main constructor. |
| */ |
| private ValidationPercentBaseContext() { |
| } |
| |
| /** |
| * Returns the value for the given lengthBase. |
| * {@inheritDoc} |
| */ |
| public int getBaseLength(int lengthBase, FObj fobj) { |
| //Simply return a dummy value which produces a non-zero value when a non-zero percentage |
| //was specified. |
| return 100000; |
| } |
| |
| private static PercentBaseContext pseudoContextForValidation = new ValidationPercentBaseContext(); |
| |
| /** @return a base context for validation purposes. See class description. */ |
| public static PercentBaseContext getPseudoContext() { |
| return pseudoContextForValidation; |
| } |
| |
| } |