org.apache.hadoop.hdfs.web

Class JsonUtil

java.lang.Object

org.apache.hadoop.hdfs.web.JsonUtil

public class JsonUtil
extends Object

JSON Utilities

Constructor Summary

Constructors

Constructor and Description
JsonUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static Map<String,Object>	toJsonMap(org.apache.hadoop.fs.BlockLocation[] locations)
static String	toJsonString(org.apache.hadoop.fs.permission.AclStatus status) Convert a AclStatus object to a Json string.
static String	toJsonString(org.apache.hadoop.fs.BlockLocation[] locations)
static String	toJsonString(org.apache.hadoop.hdfs.protocol.BlockStoragePolicy storagePolicy)
static String	toJsonString(org.apache.hadoop.hdfs.protocol.BlockStoragePolicy[] storagePolicies)
static String	toJsonString(org.apache.hadoop.fs.ContentSummary contentsummary) Convert a ContentSummary to a Json string.
static String	toJsonString(org.apache.hadoop.hdfs.protocol.DirectoryListing listing)
static String	toJsonString(Exception e) Convert an exception object to a Json string.
static String	toJsonString(org.apache.hadoop.fs.FsServerDefaults serverDefaults)
static String	toJsonString(org.apache.hadoop.hdfs.protocol.HdfsFileStatus status, boolean includeType) Convert a HdfsFileStatus object to a Json string.
static String	toJsonString(List<org.apache.hadoop.fs.XAttr> xAttrs)
static String	toJsonString(List<org.apache.hadoop.fs.XAttr> xAttrs, org.apache.hadoop.fs.XAttrCodec encoding)
static String	toJsonString(org.apache.hadoop.hdfs.protocol.LocatedBlocks locatedblocks) Convert LocatedBlocks to a Json string.
static String	toJsonString(org.apache.hadoop.fs.MD5MD5CRC32FileChecksum checksum) Convert a MD5MD5CRC32FileChecksum to a Json string.
static String	toJsonString(Object obj)
static String	toJsonString(org.apache.hadoop.fs.QuotaUsage quotaUsage) Convert a QuotaUsage to a JSON string.
static String	toJsonString(String key, Object value) Convert a key-value pair to a Json string.
static String	toJsonString(org.apache.hadoop.security.token.Token<? extends org.apache.hadoop.security.token.TokenIdentifier> token) Convert a token object to a Json string.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonUtil

public JsonUtil()

Method Detail

toJsonString

public static String toJsonString(org.apache.hadoop.security.token.Token<? extends org.apache.hadoop.security.token.TokenIdentifier> token)
                           throws IOException

Convert a token object to a Json string.

Throws:

IOException

toJsonString

public static String toJsonString(Exception e)

Convert an exception object to a Json string.

toJsonString

public static String toJsonString(String key,
                  Object value)

Convert a key-value pair to a Json string.

toJsonString

public static String toJsonString(org.apache.hadoop.hdfs.protocol.HdfsFileStatus status,
                  boolean includeType)

Convert a HdfsFileStatus object to a Json string.

toJsonString

public static String toJsonString(org.apache.hadoop.hdfs.protocol.DirectoryListing listing)
                           throws IOException

Throws:

IOException

toJsonString

public static String toJsonString(org.apache.hadoop.hdfs.protocol.LocatedBlocks locatedblocks)
                           throws IOException

Convert LocatedBlocks to a Json string.

Throws:

IOException

toJsonString

public static String toJsonString(org.apache.hadoop.fs.ContentSummary contentsummary)

Convert a ContentSummary to a Json string.

toJsonString

public static String toJsonString(org.apache.hadoop.fs.QuotaUsage quotaUsage)

Convert a QuotaUsage to a JSON string.

toJsonString

public static String toJsonString(org.apache.hadoop.fs.MD5MD5CRC32FileChecksum checksum)

Convert a MD5MD5CRC32FileChecksum to a Json string.

toJsonString

public static String toJsonString(org.apache.hadoop.fs.permission.AclStatus status)

Convert a AclStatus object to a Json string.

toJsonString

public static String toJsonString(List<org.apache.hadoop.fs.XAttr> xAttrs,
                  org.apache.hadoop.fs.XAttrCodec encoding)
                           throws IOException

Throws:

IOException

toJsonString

public static String toJsonString(List<org.apache.hadoop.fs.XAttr> xAttrs)
                           throws IOException

Throws:

IOException

toJsonString

public static String toJsonString(Object obj)
                           throws IOException

Throws:

IOException

toJsonString

public static String toJsonString(org.apache.hadoop.hdfs.protocol.BlockStoragePolicy[] storagePolicies)

toJsonString

public static String toJsonString(org.apache.hadoop.hdfs.protocol.BlockStoragePolicy storagePolicy)

toJsonMap

public static Map<String,Object> toJsonMap(org.apache.hadoop.fs.BlockLocation[] locations)
                                    throws IOException

Throws:

IOException

toJsonString

public static String toJsonString(org.apache.hadoop.fs.FsServerDefaults serverDefaults)

toJsonString

public static String toJsonString(org.apache.hadoop.fs.BlockLocation[] locations)
                           throws IOException

Throws:

IOException