Repository: beam Updated Branches: refs/heads/master a46eb1a80 -> f71395bfd
[BEAM-59] LocalResources: helper utility to create LocalResourceId Primarily for testing. Project: http://git-wip-us.apache.org/repos/asf/beam/repo Commit: http://git-wip-us.apache.org/repos/asf/beam/commit/9a3b830c Tree: http://git-wip-us.apache.org/repos/asf/beam/tree/9a3b830c Diff: http://git-wip-us.apache.org/repos/asf/beam/diff/9a3b830c Branch: refs/heads/master Commit: 9a3b830c8737859c6afaa6e6e1922b037a78741f Parents: a46eb1a Author: Dan Halperin <[email protected]> Authored: Thu Apr 27 15:35:10 2017 -0700 Committer: Dan Halperin <[email protected]> Committed: Thu Apr 27 16:30:41 2017 -0700 ---------------------------------------------------------------------- .../org/apache/beam/sdk/io/LocalResources.java | 56 ++++++++++++++++++++ 1 file changed, 56 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/beam/blob/9a3b830c/sdks/java/core/src/main/java/org/apache/beam/sdk/io/LocalResources.java ---------------------------------------------------------------------- diff --git a/sdks/java/core/src/main/java/org/apache/beam/sdk/io/LocalResources.java b/sdks/java/core/src/main/java/org/apache/beam/sdk/io/LocalResources.java new file mode 100644 index 0000000..817829b --- /dev/null +++ b/sdks/java/core/src/main/java/org/apache/beam/sdk/io/LocalResources.java @@ -0,0 +1,56 @@ +/* + * 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. + */ +package org.apache.beam.sdk.io; + +import java.io.File; +import java.nio.file.Path; +import java.nio.file.Paths; +import org.apache.beam.sdk.io.fs.ResourceId; +import org.apache.beam.sdk.options.ValueProvider; +import org.apache.beam.sdk.options.ValueProvider.NestedValueProvider; +import org.apache.beam.sdk.transforms.SerializableFunction; + +/** + * Helper functions for producing a {@link ResourceId} that references a local file or directory. + */ +public final class LocalResources { + + public static ResourceId fromFile(File file, boolean isDirectory) { + return LocalResourceId.fromPath(file.toPath(), isDirectory); + } + + public static ResourceId fromPath(Path path, boolean isDirectory) { + return LocalResourceId.fromPath(path, isDirectory); + } + + public static ResourceId fromString(String filename, boolean isDirectory) { + return LocalResourceId.fromPath(Paths.get(filename), isDirectory); + } + + public static ValueProvider<ResourceId> + fromString(ValueProvider<String> resourceProvider, final boolean isDirectory) { + return NestedValueProvider.of(resourceProvider, new SerializableFunction<String, ResourceId>() { + @Override + public ResourceId apply(String input) { + return fromString(input, isDirectory); + } + }); + } + + private LocalResources() {} // prevent instantiation +}
