| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed 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 com.android.jack.test.comparator; |
| |
| import com.android.jack.comparator.DifferenceFoundException; |
| import com.android.jack.test.util.ExecFileException; |
| import com.android.jack.test.util.ExecuteFile; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import javax.annotation.Nonnull; |
| |
| /** |
| * This {@link Comparator} uses the {@code diff} shell command to compare 2 files. |
| */ |
| public class ComparatorDiff extends ComparatorFile { |
| |
| public ComparatorDiff(@Nonnull File reference, @Nonnull File candidate) { |
| super(reference, candidate); |
| } |
| |
| @Override |
| public void compare() throws DifferenceFoundException, ComparatorException { |
| try { |
| ExecuteFile ef = new ExecuteFile( |
| "diff " + candidate.getAbsolutePath() + " " + reference.getAbsolutePath()); |
| ef.setOut(System.out); |
| ef.setErr(System.err); |
| |
| int exitStatus = ef.run(); |
| switch (exitStatus) { |
| case 0: |
| break; |
| case 1: |
| throw new DifferenceFoundException(); |
| default: |
| throw new ComparatorException("Exit status: " + exitStatus); |
| } |
| } catch (ExecFileException e) { |
| throw new ComparatorException(e); |
| } catch (IOException e) { |
| throw new ComparatorException(e); |
| } |
| } |
| } |