Github user ottobackwards commented on a diff in the pull request:
https://github.com/apache/metron/pull/530#discussion_r133083369
--- Diff:
bundles-lib/src/main/java/org/apache/metron/bundles/BundleSystem.java ---
@@ -0,0 +1,182 @@
+/*
+ * 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.metron.bundles;
+
+import java.lang.invoke.MethodHandles;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import org.apache.commons.vfs2.FileObject;
+import org.apache.commons.vfs2.FileSystemManager;
+import org.apache.metron.bundles.bundle.Bundle;
+import org.apache.metron.bundles.util.BundleProperties;
+import org.apache.metron.bundles.util.FileSystemManagerFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * High level interface to the Bundle System. While you may want to use
the lower level classes it
+ * is not required, as BundleSystem provides the base required interface
for initializing the system
+ * and instantiating classes
+ */
+public class BundleSystem {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+ /**
+ * Builder for a BundleSystem. only {@link BundleProperties} are
required. Beyond that, the
+ * BundleProperties, if they are the only parameter must have archive
extension and bundle
+ * extension types properties present.
+ */
+ public static class Builder {
+
+ private BundleProperties properties;
+ private FileSystemManager fileSystemManager;
+ private List<Class> extensionClasses = new LinkedList<>();
+ private Bundle systemBundle;
+
+ /**
+ * The BundleProperties to use. Unless other builder parameters
override options
+ * (withExtensionClasses ), they must have archive extension and
bundle extensions types
+ * specified
+ *
+ * @param properties The BundleProperties
+ * @return Builder
+ */
+ public Builder withBundleProperties(BundleProperties properties) {
+ this.properties = properties;
+ return this;
+ }
+
+ /**
+ * Provide a {@link FileSystemManager} to overide the default
+ *
+ * @param fileSystemManager override
+ * @return Builder
+ */
+ public Builder withFileSystemManager(FileSystemManager
fileSystemManager) {
+ this.fileSystemManager = fileSystemManager;
+ return this;
+ }
+
+ /**
+ * Provide Extension Classes. If not provided with this override then
the classes will be
+ * configured from the BundleProperties. If provided, the properties
file will not be used.
+ *
+ * @param extensionClasses override
+ * @return Builder
+ */
+ public Builder withExtensionClasses(List<Class> extensionClasses) {
+ this.extensionClasses.addAll(extensionClasses);
+ return this;
+ }
+
+ /**
+ * Provide a SystemBundle. If not provided with this override then
the default SystemBundle
+ * will be created.
+ */
+ public Builder withSystemBundle(Bundle systemBundle) {
+ this.systemBundle = systemBundle;
+ return this;
+ }
+
+ /**
+ * Builds a new BundleSystem.
+ *
+ * @return BundleSystem
+ * @throws NotInitializedException if any errors happen during build
+ */
+ public BundleSystem build() throws NotInitializedException {
+ if (this.properties == null) {
+ throw new IllegalArgumentException("BundleProperties are
required");
--- End diff --
I will make it more clear they will not be used for the classes, but will
be used for other things
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