org.apache.zookeeper.server.persistence.TxnLogToolkitCliParser Maven / Gradle / Ivy
/**
* 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.server.persistence;
class TxnLogToolkitCliParser {
private String txnLogFileName;
private boolean recoveryMode;
private boolean verbose;
private boolean force;
String getTxnLogFileName() {
return txnLogFileName;
}
boolean isRecoveryMode() {
return recoveryMode;
}
boolean isVerbose() {
return verbose;
}
boolean isForce() {
return force;
}
void parse(String[] args) throws TxnLogToolkit.TxnLogToolkitParseException {
if (args == null) {
throw new TxnLogToolkit.TxnLogToolkitParseException(1, "No arguments given");
}
txnLogFileName = null;
for (String arg : args) {
if (arg.startsWith("--")) {
String par = arg.substring(2);
if ("help".equalsIgnoreCase(par)) {
printHelpAndExit(0);
} else if ("recover".equalsIgnoreCase(par)) {
recoveryMode = true;
} else if ("verbose".equalsIgnoreCase(par)) {
verbose = true;
} else if ("dump".equalsIgnoreCase(par)) {
recoveryMode = false;
} else if ("yes".equalsIgnoreCase(par)) {
force = true;
} else {
throw new TxnLogToolkit.TxnLogToolkitParseException(1, "Invalid argument: %s", par);
}
} else if (arg.startsWith("-")) {
String par = arg.substring(1);
if ("h".equalsIgnoreCase(par)) {
printHelpAndExit(0);
} else if ("r".equalsIgnoreCase(par)) {
recoveryMode = true;
} else if ("v".equalsIgnoreCase(par)) {
verbose = true;
} else if ("d".equalsIgnoreCase(par)) {
recoveryMode = false;
} else if ("y".equalsIgnoreCase(par)) {
force = true;
} else {
throw new TxnLogToolkit.TxnLogToolkitParseException(1, "Invalid argument: %s", par);
}
} else {
if (txnLogFileName != null) {
throw new TxnLogToolkit.TxnLogToolkitParseException(1, "Invalid arguments: more than one TXN log file given");
}
txnLogFileName = arg;
}
}
if (txnLogFileName == null) {
throw new TxnLogToolkit.TxnLogToolkitParseException(1, "Invalid arguments: TXN log file name missing");
}
}
static void printHelpAndExit(int exitCode) {
System.out.println("usage: TxnLogToolkit [-dhrvy] txn_log_file_name\n");
System.out.println(" -d,--dump Dump mode. Dump all entries of the log file. (this is the default)");
System.out.println(" -h,--help Print help message");
System.out.println(" -r,--recover Recovery mode. Re-calculate CRC for broken entries.");
System.out.println(" -v,--verbose Be verbose in recovery mode: print all entries, not just fixed ones.");
System.out.println(" -y,--yes Non-interactive mode: repair all CRC errors without asking");
System.exit(exitCode);
}
}