Update from Google.
--
MOE_MIGRATED_REVID=85702957
diff --git a/src/main/java/com/google/devtools/build/lib/util/ResourceFileLoader.java b/src/main/java/com/google/devtools/build/lib/util/ResourceFileLoader.java
new file mode 100644
index 0000000..ce26c6c
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/util/ResourceFileLoader.java
@@ -0,0 +1,57 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// 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.google.devtools.build.lib.util;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+import com.google.common.io.ByteStreams;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * A little utility to load resources (property files) from jars or
+ * the classpath. Recommended for longer texts that do not fit nicely into
+ * a piece of Java code - e.g. a template for a lengthy email.
+ */
+public final class ResourceFileLoader {
+
+ private ResourceFileLoader() {}
+
+ /**
+ * Loads a text resource that is located in a directory on the Java classpath that
+ * corresponds to the package of <code>relativeToClass</code> using UTF8 encoding.
+ * E.g.
+ * <code>loadResource(Class.forName("com.google.foo.Foo", "bar.txt"))</code>
+ * will look for <code>com/google/foo/bar.txt</code> in the classpath.
+ */
+ public static String loadResource(Class<?> relativeToClass, String resourceName)
+ throws IOException {
+ ClassLoader loader = relativeToClass.getClassLoader();
+ // TODO(bazel-team): use relativeToClass.getPackage().getName().
+ String className = relativeToClass.getName();
+ String packageName = className.substring(0, className.lastIndexOf('.'));
+ String path = packageName.replace('.', '/');
+ String resource = path + '/' + resourceName;
+ InputStream stream = loader.getResourceAsStream(resource);
+ if (stream == null) {
+ throw new IOException(resourceName + " not found.");
+ }
+ try {
+ return new String(ByteStreams.toByteArray(stream), UTF_8);
+ } finally {
+ stream.close();
+ }
+ }
+}
