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Diffstat (limited to 'project/UnzipTask.scala')
-rw-r--r-- | project/UnzipTask.scala | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/project/UnzipTask.scala b/project/UnzipTask.scala new file mode 100644 index 00000000..022f485e --- /dev/null +++ b/project/UnzipTask.scala @@ -0,0 +1,64 @@ +/* ========================================================================================= + * Copyright © 2013-2014 the kamon project <http://kamon.io/> + * + * 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. + * ========================================================================================= + */ + +import sbt._ +import Keys._ + +/** Helper task for jar/zip artifact unpacking. */ +object UnzipTask { + + /** Helper task for jar/zip artifact unpacking. */ + lazy val unzipTask = TaskKey[Unit]("unzip-task", "Unpack the jar/zip archive.") + + /** Find artifact path by the module and classifier. */ + def locateArtifact(report: UpdateReport, module: ModuleID, + classifier: String = ""): File = + { + val mf = moduleFilter( + organization = module.organization, name = module.name, revision = module.revision + ) + val af = artifactFilter( + classifier = classifier + ) + val pathList = report.select(module = mf, artifact = af) + require(pathList.size == 1, s"Wrong select: ${pathList}") + pathList(0) + } + + /** Extract zip/jar artifact content into a target dir. */ + def extractArtifact(zip: File, dir: File, + filter: NameFilter = AllPassFilter, flatten: Boolean = false): Set[java.io.File] = + { + IO createDirectory dir + if (flatten) { + /** Remove original directory structure. */ + val tmp = IO createTemporaryDirectory + val sourceList = IO unzip (zip, tmp, filter) + val targetList = for { + source <- sourceList + } yield { + val target = dir / source.name + IO copyFile (source, target) + target + } + IO delete tmp + targetList + } else { + /** Prserve original directory structure. */ + IO unzip (zip, dir, filter) + } + } + +} |