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/*
* Copyright 2010-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2015-2017 UnboundID Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk.unboundidds.examples;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.ldap.sdk.ExtendedResult;
import com.unboundid.ldap.sdk.LDAPConnection;
import com.unboundid.ldap.sdk.LDAPConnectionOptions;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.IntermediateResponse;
import com.unboundid.ldap.sdk.IntermediateResponseListener;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.ldap.sdk.SearchScope;
import com.unboundid.ldap.sdk.Version;
import com.unboundid.ldap.sdk.unboundidds.extensions.
StreamDirectoryValuesExtendedRequest;
import com.unboundid.ldap.sdk.unboundidds.extensions.
StreamDirectoryValuesIntermediateResponse;
import com.unboundid.util.LDAPCommandLineTool;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.args.ArgumentException;
import com.unboundid.util.args.ArgumentParser;
import com.unboundid.util.args.DNArgument;
import com.unboundid.util.args.FileArgument;
/**
* This class provides a utility that uses the stream directory values extended
* operation in order to obtain a listing of all entry DNs below a specified
* base DN in the Directory Server.
*
*
* NOTE: This class is part of the Commercial Edition of the UnboundID
* LDAP SDK for Java. It is not available for use in applications that
* include only the Standard Edition of the LDAP SDK, and is not supported for
* use in conjunction with non-UnboundID products.
*
*
* The APIs demonstrated by this example include:
*
*
The use of the stream directory values extended operation.
*
Intermediate response processing.
*
The LDAP command-line tool API.
*
Argument parsing.
*
*/
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
public final class DumpDNs
extends LDAPCommandLineTool
implements IntermediateResponseListener
{
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = 774432759537092866L;
// The argument used to obtain the base DN.
private DNArgument baseDN;
// The argument used to obtain the output file.
private FileArgument outputFile;
// The number of DNs dumped.
private final AtomicLong dnsWritten;
// The print stream that will be used to output the DNs.
private PrintStream outputStream;
/**
* Parse the provided command line arguments and perform the appropriate
* processing.
*
* @param args The command line arguments provided to this program.
*/
public static void main(final String[] args)
{
final ResultCode resultCode = main(args, System.out, System.err);
if (resultCode != ResultCode.SUCCESS)
{
System.exit(resultCode.intValue());
}
}
/**
* Parse the provided command line arguments and perform the appropriate
* processing.
*
* @param args The command line arguments provided to this program.
* @param outStream The output stream to which standard out should be
* written. It may be {@code null} if output should be
* suppressed.
* @param errStream The output stream to which standard error should be
* written. It may be {@code null} if error messages
* should be suppressed.
*
* @return A result code indicating whether the processing was successful.
*/
public static ResultCode main(final String[] args,
final OutputStream outStream,
final OutputStream errStream)
{
final DumpDNs tool = new DumpDNs(outStream, errStream);
return tool.runTool(args);
}
/**
* Creates a new instance of this tool.
*
* @param outStream The output stream to which standard out should be
* written. It may be {@code null} if output should be
* suppressed.
* @param errStream The output stream to which standard error should be
* written. It may be {@code null} if error messages
* should be suppressed.
*/
public DumpDNs(final OutputStream outStream, final OutputStream errStream)
{
super(outStream, errStream);
baseDN = null;
outputFile = null;
outputStream = null;
dnsWritten = new AtomicLong(0L);
}
/**
* Retrieves the name of this tool. It should be the name of the command used
* to invoke this tool.
*
* @return The name for this tool.
*/
@Override()
public String getToolName()
{
return "dump-dns";
}
/**
* Retrieves a human-readable description for this tool.
*
* @return A human-readable description for this tool.
*/
@Override()
public String getToolDescription()
{
return "Obtain a listing of all of the DNs for all entries below a " +
"specified base DN in the Directory Server.";
}
/**
* Retrieves the version string for this tool.
*
* @return The version string for this tool.
*/
@Override()
public String getToolVersion()
{
return Version.NUMERIC_VERSION_STRING;
}
/**
* Indicates whether this tool should provide support for an interactive mode,
* in which the tool offers a mode in which the arguments can be provided in
* a text-driven menu rather than requiring them to be given on the command
* line. If interactive mode is supported, it may be invoked using the
* "--interactive" argument. Alternately, if interactive mode is supported
* and {@link #defaultsToInteractiveMode()} returns {@code true}, then
* interactive mode may be invoked by simply launching the tool without any
* arguments.
*
* @return {@code true} if this tool supports interactive mode, or
* {@code false} if not.
*/
@Override()
public boolean supportsInteractiveMode()
{
return true;
}
/**
* Indicates whether this tool defaults to launching in interactive mode if
* the tool is invoked without any command-line arguments. This will only be
* used if {@link #supportsInteractiveMode()} returns {@code true}.
*
* @return {@code true} if this tool defaults to using interactive mode if
* launched without any command-line arguments, or {@code false} if
* not.
*/
@Override()
public boolean defaultsToInteractiveMode()
{
return true;
}
/**
* Indicates whether this tool should default to interactively prompting for
* the bind password if a password is required but no argument was provided
* to indicate how to get the password.
*
* @return {@code true} if this tool should default to interactively
* prompting for the bind password, or {@code false} if not.
*/
@Override()
protected boolean defaultToPromptForBindPassword()
{
return true;
}
/**
* Indicates whether this tool supports the use of a properties file for
* specifying default values for arguments that aren't specified on the
* command line.
*
* @return {@code true} if this tool supports the use of a properties file
* for specifying default values for arguments that aren't specified
* on the command line, or {@code false} if not.
*/
@Override()
public boolean supportsPropertiesFile()
{
return true;
}
/**
* Indicates whether the LDAP-specific arguments should include alternate
* versions of all long identifiers that consist of multiple words so that
* they are available in both camelCase and dash-separated versions.
*
* @return {@code true} if this tool should provide multiple versions of
* long identifiers for LDAP-specific arguments, or {@code false} if
* not.
*/
@Override()
protected boolean includeAlternateLongIdentifiers()
{
return true;
}
/**
* Adds the arguments needed by this command-line tool to the provided
* argument parser which are not related to connecting or authenticating to
* the directory server.
*
* @param parser The argument parser to which the arguments should be added.
*
* @throws ArgumentException If a problem occurs while adding the arguments.
*/
@Override()
public void addNonLDAPArguments(final ArgumentParser parser)
throws ArgumentException
{
baseDN = new DNArgument('b', "baseDN", true, 1, "{dn}",
"The base DN below which to dump the DNs of all entries in the " +
"Directory Server.");
baseDN.addLongIdentifier("base-dn");
parser.addArgument(baseDN);
outputFile = new FileArgument('f', "outputFile", false, 1, "{path}",
"The path of the output file to which the entry DNs will be " +
"written. If this is not provided, then entry DNs will be " +
"written to standard output.", false, true, true, false);
outputFile.addLongIdentifier("output-file");
parser.addArgument(outputFile);
}
/**
* Retrieves the connection options that should be used for connections that
* are created with this command line tool. Subclasses may override this
* method to use a custom set of connection options.
*
* @return The connection options that should be used for connections that
* are created with this command line tool.
*/
@Override()
public LDAPConnectionOptions getConnectionOptions()
{
final LDAPConnectionOptions options = new LDAPConnectionOptions();
options.setUseSynchronousMode(true);
options.setResponseTimeoutMillis(0L);
return options;
}
/**
* Performs the core set of processing for this tool.
*
* @return A result code that indicates whether the processing completed
* successfully.
*/
@Override()
public ResultCode doToolProcessing()
{
// Create the writer that will be used to write the DNs.
final File f = outputFile.getValue();
if (f == null)
{
outputStream = getOut();
}
else
{
try
{
outputStream =
new PrintStream(new BufferedOutputStream(new FileOutputStream(f)));
}
catch (final IOException ioe)
{
err("Unable to open output file '", f.getAbsolutePath(),
" for writing: ", String.valueOf(ioe));
return ResultCode.LOCAL_ERROR;
}
}
// Obtain a connection to the Directory Server.
final LDAPConnection conn;
try
{
conn = getConnection();
}
catch (final LDAPException le)
{
err("Unable to obtain a connection to the Directory Server: ",
le.getExceptionMessage());
return le.getResultCode();
}
// Create the extended request. Register this class as an intermediate
// response listener, and indicate that we don't want any response time
// limit.
final StreamDirectoryValuesExtendedRequest streamValuesRequest =
new StreamDirectoryValuesExtendedRequest(baseDN.getStringValue(),
SearchScope.SUB, false, null, 1000);
streamValuesRequest.setIntermediateResponseListener(this);
streamValuesRequest.setResponseTimeoutMillis(0L);
// Send the extended request to the server and get the result.
try
{
final ExtendedResult streamValuesResult =
conn.processExtendedOperation(streamValuesRequest);
err("Processing completed. ", dnsWritten.get(), " DNs written.");
return streamValuesResult.getResultCode();
}
catch (final LDAPException le)
{
err("Unable to send the stream directory values extended request to " +
"the Directory Server: ", le.getExceptionMessage());
return le.getResultCode();
}
finally
{
if (f != null)
{
outputStream.close();
}
conn.close();
}
}
/**
* Retrieves a set of information that may be used to generate example usage
* information. Each element in the returned map should consist of a map
* between an example set of arguments and a string that describes the
* behavior of the tool when invoked with that set of arguments.
*
* @return A set of information that may be used to generate example usage
* information. It may be {@code null} or empty if no example usage
* information is available.
*/
@Override()
public LinkedHashMap getExampleUsages()
{
final LinkedHashMap exampleMap =
new LinkedHashMap(1);
final String[] args =
{
"--hostname", "server.example.com",
"--port", "389",
"--bindDN", "uid=admin,dc=example,dc=com",
"--bindPassword", "password",
"--baseDN", "dc=example,dc=com",
"--outputFile", "example-dns.txt",
};
exampleMap.put(args,
"Dump all entry DNs at or below 'dc=example,dc=com' to the file " +
"'example-dns.txt'");
return exampleMap;
}
/**
* Indicates that the provided intermediate response has been returned by the
* server and may be processed by this intermediate response listener. In
* this case, it will
*
* @param intermediateResponse The intermediate response that has been
* returned by the server.
*/
public void intermediateResponseReturned(
final IntermediateResponse intermediateResponse)
{
// Try to parse the intermediate response as a stream directory values
// intermediate response.
final StreamDirectoryValuesIntermediateResponse streamValuesIR;
try
{
streamValuesIR =
new StreamDirectoryValuesIntermediateResponse(intermediateResponse);
}
catch (final LDAPException le)
{
err("Unable to parse an intermediate response message as a stream " +
"directory values intermediate response: ",
le.getExceptionMessage());
return;
}
final String diagnosticMessage = streamValuesIR.getDiagnosticMessage();
if ((diagnosticMessage != null) && (diagnosticMessage.length() > 0))
{
err(diagnosticMessage);
}
final List values = streamValuesIR.getValues();
if ((values != null) && (! values.isEmpty()))
{
for (final ASN1OctetString s : values)
{
outputStream.println(s.toString());
}
final long updatedCount = dnsWritten.addAndGet(values.size());
if (outputFile.isPresent())
{
err(updatedCount, " DNs written.");
}
}
}
}
