| /* |
| * 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 |
| * |
| * https://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.tools.ant.types.mappers; |
| |
| import org.apache.tools.ant.BuildException; |
| import org.apache.tools.ant.Task; |
| import org.apache.tools.ant.types.Mapper; |
| import org.apache.tools.ant.util.FileNameMapper; |
| |
| /** |
| * This is a test task to show the result of a mapper |
| * on a specific input. |
| * (Test is not in the name of the class, to make sure that |
| * it is not treated as a unit test. |
| */ |
| |
| public class MapperResult extends Task { |
| |
| private String failMessage = ""; |
| private String input; |
| private String output; |
| private FileNameMapper fileNameMapper; |
| |
| /** |
| * The output on an empty string array |
| */ |
| private static final String NULL_MAPPER_RESULT = "<NULL>"; |
| |
| public void setFailMessage(String failMessage) { |
| this.failMessage = failMessage; |
| } |
| |
| public void setInput(String input) { |
| this.input = input; |
| } |
| |
| public void setOutput(String output) { |
| this.output = output; |
| } |
| |
| public void addConfiguredMapper(Mapper mapper) { |
| add(mapper.getImplementation()); |
| } |
| |
| public void add(FileNameMapper fileNameMapper) { |
| if (this.fileNameMapper != null) { |
| throw new BuildException("Only one mapper type nested element allowed"); |
| } |
| this.fileNameMapper = fileNameMapper; |
| } |
| |
| public void execute() { |
| if (input == null) { |
| throw new BuildException("Missing attribute 'input'"); |
| } |
| if (output == null) { |
| throw new BuildException("Missing attribute 'output'"); |
| } |
| if (fileNameMapper == null) { |
| throw new BuildException("Missing a nested file name mapper type element"); |
| } |
| String[] result = fileNameMapper.mapFileName(input); |
| String flattened; |
| if (result == null) { |
| flattened = NULL_MAPPER_RESULT; |
| } else { |
| flattened = String.join("|", result); |
| } |
| if (!flattened.equals(output)) { |
| throw new BuildException(failMessage + " got " + flattened + " expected " + output); |
| } |
| } |
| } |