org.apache.solr.common.util

Class Utils

java.lang.Object

org.apache.solr.common.util.Utils

public class Utils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Pattern	ARRAY_ELEMENT_INDEX

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static void	consumeFully(org.apache.http.HttpEntity entity) If the passed entity has content, make sure it is fully read and closed.
static Object	fromJSON(byte[] utf8)
static Object	fromJSON(InputStream is)
static Object	fromJSONResource(String resourceName)
static Object	fromJSONString(String json)
static Collection	getDeepCopy(Collection c, int maxDepth, boolean mutable)
static Collection	getDeepCopy(Collection c, int maxDepth, boolean mutable, boolean sorted)
static Map	getDeepCopy(Map map, int maxDepth)
static Map	getDeepCopy(Map map, int maxDepth, boolean mutable)
static Map	getDeepCopy(Map map, int maxDepth, boolean mutable, boolean sorted)
static Map<String,Object>	getJson(SolrZkClient zkClient, String path, boolean retryOnConnLoss) Assumes data in ZooKeeper is a JSON string, deserializes it and returns as a Map
static org.noggit.JSONParser	getJSONParser(Reader reader)
static Object	getObjectByPath(Object root, boolean onlyPrimitive, List<String> hierarchy)
static Object	getObjectByPath(Object root, boolean onlyPrimitive, String hierarchy)
static SpecProvider	getSpec(String name)
static Map<String,Object>	makeMap(boolean skipNulls, Object... keyVals)
static Map<String,Object>	makeMap(Object... keyVals)
static boolean	setObjectByPath(Object root, List<String> hierarchy, Object value)
static boolean	setObjectByPath(Object root, String hierarchy, Object value)
static InputStream	toJavabin(Object o)
static byte[]	toJSON(Object o)
static String	toJSONString(Object o)
static byte[]	toUTF8(org.noggit.CharArr out)

Methods inherited from class java.lang.Object

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

Field Detail

ARRAY_ELEMENT_INDEX

public static final Pattern ARRAY_ELEMENT_INDEX

Constructor Detail

Utils

public Utils()

Method Detail

getDeepCopy

public static Map getDeepCopy(Map map,
                              int maxDepth)

getDeepCopy

public static Map getDeepCopy(Map map,
                              int maxDepth,
                              boolean mutable)

getDeepCopy

public static Map getDeepCopy(Map map,
                              int maxDepth,
                              boolean mutable,
                              boolean sorted)

toJavabin

public static InputStream toJavabin(Object o)
                             throws IOException

Throws:

IOException

getDeepCopy

public static Collection getDeepCopy(Collection c,
                                     int maxDepth,
                                     boolean mutable)

getDeepCopy

public static Collection getDeepCopy(Collection c,
                                     int maxDepth,
                                     boolean mutable,
                                     boolean sorted)

toJSON

public static byte[] toJSON(Object o)

toJSONString

public static String toJSONString(Object o)

toUTF8

public static byte[] toUTF8(org.noggit.CharArr out)

fromJSON

public static Object fromJSON(byte[] utf8)

makeMap

public static Map<String,Object> makeMap(Object... keyVals)

makeMap

public static Map<String,Object> makeMap(boolean skipNulls,
                                         Object... keyVals)

fromJSON

public static Object fromJSON(InputStream is)

fromJSONResource

public static Object fromJSONResource(String resourceName)

getJSONParser

public static org.noggit.JSONParser getJSONParser(Reader reader)

fromJSONString

public static Object fromJSONString(String json)

getObjectByPath

public static Object getObjectByPath(Object root,
                                     boolean onlyPrimitive,
                                     String hierarchy)

setObjectByPath

public static boolean setObjectByPath(Object root,
                                      String hierarchy,
                                      Object value)

setObjectByPath

public static boolean setObjectByPath(Object root,
                                      List<String> hierarchy,
                                      Object value)

getObjectByPath

public static Object getObjectByPath(Object root,
                                     boolean onlyPrimitive,
                                     List<String> hierarchy)

consumeFully

public static void consumeFully(org.apache.http.HttpEntity entity)

If the passed entity has content, make sure it is fully read and closed.

Parameters:

entity - to consume or null

getJson

public static Map<String,Object> getJson(SolrZkClient zkClient,
                                         String path,
                                         boolean retryOnConnLoss)
                                  throws org.apache.zookeeper.KeeperException,
                                         InterruptedException

Assumes data in ZooKeeper is a JSON string, deserializes it and returns as a Map

Parameters:

zkClient - the zookeeper client

path - the path to the znode being read

retryOnConnLoss - whether to retry the operation automatically on connection loss, see ZkCmdExecutor.retryOperation(ZkOperation)

Returns:

a Map if the node exists and contains valid JSON or an empty map if znode does not exist or has a null data

Throws:

org.apache.zookeeper.KeeperException

InterruptedException

getSpec

public static SpecProvider getSpec(String name)