org.elasticsearch.common.http.client

Class HttpDownloadHelper

java.lang.Object

org.elasticsearch.common.http.client.HttpDownloadHelper

public class HttpDownloadHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	HttpDownloadHelper.Checksummer
static interface	HttpDownloadHelper.DownloadProgress Interface implemented for reporting progress of downloading.
static class	HttpDownloadHelper.NullProgress do nothing with progress info
static class	HttpDownloadHelper.VerboseProgress verbose progress system prints to some output stream

Field Summary

Fields

Modifier and Type	Field and Description
static HttpDownloadHelper.Checksummer	MD5_CHECKSUM Checksummer for MD5
static HttpDownloadHelper.Checksummer	SHA1_CHECKSUM Checksummer for SHA1

Constructor Summary

Constructors

Constructor and Description
HttpDownloadHelper()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	download(URL source, Path dest, HttpDownloadHelper.DownloadProgress progress, TimeValue timeout)
boolean	downloadAndVerifyChecksum(URL checksumURL, Path originalFile, Path checksumFile, HttpDownloadHelper.DownloadProgress progress, TimeValue timeout, HttpDownloadHelper.Checksummer hashFunc) Download the given checksum URL to the destination and check the checksum

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SHA1_CHECKSUM

public static HttpDownloadHelper.Checksummer SHA1_CHECKSUM

Checksummer for SHA1

MD5_CHECKSUM

public static HttpDownloadHelper.Checksummer MD5_CHECKSUM

Checksummer for MD5

Constructor Detail

HttpDownloadHelper

public HttpDownloadHelper()

Method Detail

download

public boolean download(URL source,
               Path dest,
               @Nullable
               HttpDownloadHelper.DownloadProgress progress,
               TimeValue timeout)
                 throws Exception

Throws:

Exception

downloadAndVerifyChecksum

public boolean downloadAndVerifyChecksum(URL checksumURL,
                                Path originalFile,
                                Path checksumFile,
                                @Nullable
                                HttpDownloadHelper.DownloadProgress progress,
                                TimeValue timeout,
                                HttpDownloadHelper.Checksummer hashFunc)
                                  throws Exception

Download the given checksum URL to the destination and check the checksum

Parameters:

checksumURL - URL for the checksum file

originalFile - original file to calculate checksum of

checksumFile - destination to download the checksum file to

hashFunc - class used to calculate the checksum of the file

Returns:

true if the checksum was validated, false if it did not exist

Throws:

Exception - if the checksum failed to match