| /* |
| * 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: Accessibility.java 1343632 2012-05-29 09:48:03Z vhennebert $ */ |
| package org.apache.fop.configuration; |
| |
| final class NullConfiguration implements Configuration { |
| |
| static final NullConfiguration INSTANCE = new NullConfiguration(); |
| |
| private NullConfiguration() { |
| |
| } |
| |
| @Override |
| public Configuration getChild(String key) { |
| return INSTANCE; |
| } |
| |
| @Override |
| public Configuration getChild(String key, boolean required) { |
| return INSTANCE; |
| } |
| |
| @Override |
| public Configuration[] getChildren(String key) { |
| return new Configuration[0]; |
| } |
| |
| @Override |
| public String[] getAttributeNames() { |
| return new String[0]; |
| } |
| |
| @Override |
| public String getAttribute(String key) throws ConfigurationException { |
| return ""; |
| } |
| |
| @Override |
| public String getAttribute(String key, String defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public boolean getAttributeAsBoolean(String key, boolean defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public float getAttributeAsFloat(String key) throws ConfigurationException { |
| return 0; |
| } |
| |
| @Override |
| public float getAttributeAsFloat(String key, float defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public int getAttributeAsInteger(String key, int defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public String getValue() throws ConfigurationException { |
| // return null; |
| throw new ConfigurationException("missing value"); |
| } |
| |
| @Override |
| public String getValue(String defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public boolean getValueAsBoolean() throws ConfigurationException { |
| return false; |
| } |
| |
| @Override |
| public boolean getValueAsBoolean(boolean defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public int getValueAsInteger() throws ConfigurationException { |
| return 0; |
| } |
| |
| @Override |
| public int getValueAsInteger(int defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public float getValueAsFloat() throws ConfigurationException { |
| return 0; |
| } |
| |
| @Override |
| public float getValueAsFloat(float defaultValue) { |
| return defaultValue; |
| } |
| |
| @Override |
| public String getLocation() { |
| return "<no-location>"; |
| } |
| } |