| /* |
| * Copyright 2012-present Facebook, Inc. |
| * |
| * 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.facebook.buck.java; |
| |
| import com.facebook.buck.shell.ShellStep; |
| import com.facebook.buck.step.ExecutionContext; |
| import com.google.common.base.Joiner; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| |
| import java.nio.file.Path; |
| import java.util.Set; |
| |
| public class InstrumentStep extends ShellStep { |
| |
| private final String mode; |
| private final Set<Path> instrumentDirectories; |
| |
| public InstrumentStep(String mode, Set<Path> instrumentDirectories) { |
| this.mode = mode; |
| this.instrumentDirectories = ImmutableSet.copyOf(instrumentDirectories); |
| } |
| |
| @Override |
| public String getShortName() { |
| return "emma_instr"; |
| } |
| |
| @Override |
| protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) { |
| ImmutableList.Builder<String> args = ImmutableList.builder(); |
| args.add("java"); |
| |
| // Add EMMA to the class path. |
| args.add("-classpath", JUnitStep.PATH_TO_EMMA_JAR); |
| |
| args.add("emma", "instr"); |
| |
| args.add("-outmode", mode); |
| |
| // Specify the output path to the EMMA metadata file. |
| args.add("-outfile", String.format("%s/coverage.em", JUnitStep.EMMA_OUTPUT_DIR)); |
| |
| // Create a comma-delimited string of instrumentation directories. |
| String pathsToInstrument = Joiner.on(",").join(instrumentDirectories); |
| |
| // Specify the set of paths with class files to instrument. |
| args.add("-instrpath").add(pathsToInstrument); |
| |
| return args.build(); |
| } |
| } |