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Apache ZooKeeper Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source package file, apache-zookeeper-3.8.0.tar.gz.
You can download apache-zookeeper-3.8.0.tar.gz as described in the previous tutorial and go to the "zookeeper-server" sub-folder to view Apache ZooKeeper Server Source Code files.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/cli/LsCommand.java
/* * 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.zookeeper.cli; import java.util.Collections; import java.util.List; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.DefaultParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.apache.zookeeper.KeeperException; import org.apache.zookeeper.ZKUtil; import org.apache.zookeeper.data.Stat; /** * ls command for cli */ public class LsCommand extends CliCommand { private static Options options = new Options(); private String[] args; private CommandLine cl; static { options.addOption("?", false, "help"); options.addOption("s", false, "stat"); options.addOption("w", false, "watch"); options.addOption("R", false, "recurse"); } public LsCommand() { super("ls", "[-s] [-w] [-R] path"); } private void printHelp() { HelpFormatter formatter = new HelpFormatter(); formatter.printHelp("ls [options] path", options); } @Override public CliCommand parse(String[] cmdArgs) throws CliParseException { DefaultParser parser = new DefaultParser(); try { cl = parser.parse(options, cmdArgs); } catch (ParseException ex) { throw new CliParseException(ex); } args = cl.getArgs(); if (cl.hasOption("?")) { printHelp(); } retainCompatibility(cmdArgs); return this; } private void retainCompatibility(String[] cmdArgs) throws CliParseException { // get path [watch] if (args.length > 2) { // rewrite to option cmdArgs[2] = "-w"; err.println("'ls path [watch]' has been deprecated. " + "Please use 'ls [-w] path' instead."); DefaultParser parser = new DefaultParser(); try { cl = parser.parse(options, cmdArgs); } catch (ParseException ex) { throw new CliParseException(ex); } args = cl.getArgs(); } } @Override public boolean exec() throws CliException { if (args.length < 2) { throw new MalformedCommandException(getUsageStr()); } String path = args[1]; boolean watch = cl.hasOption("w"); boolean withStat = cl.hasOption("s"); boolean recursive = cl.hasOption("R"); try { if (recursive) { ZKUtil.visitSubTreeDFS(zk, path, watch, (rc, path1, ctx, name) -> out.println(path1)); } else { Stat stat = withStat ? new Stat() : null; List<String> children = zk.getChildren(path, watch, stat); printChildren(children, stat); } } catch (IllegalArgumentException ex) { throw new MalformedPathException(ex.getMessage()); } catch (KeeperException | InterruptedException ex) { throw new CliWrapperException(ex); } return watch; } private void printChildren(List<String> children, Stat stat) { Collections.sort(children); out.append("["); boolean first = true; for (String child : children) { if (!first) { out.append(", "); } else { first = false; } out.append(child); } out.append("]\n"); if (stat != null) { new StatPrinter(out).print(stat); } } }
⏎ org/apache/zookeeper/cli/LsCommand.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.8.0-fyi.zip File size: 885581 bytes Release date: 2022-02-25 Download
⇒ Apache ZooKeeper Jute Source Code
⇐ Download and Install Apache ZooKeeper Source Package
2022-11-16, 13830👍, 0💬
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