com.couchbase.lite.util

Class Utils

java.lang.Object

com.couchbase.lite.util.Utils

public class Utils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	CHUNK_SIZE
static int	DEFAULT_TIME_TO_WAIT_4_SHUTDOWN
static int	DEFAULT_TIME_TO_WAIT_4_SHUTDOWNNOW
protected static char[]	hexArray cribbed from http://stackoverflow.com/questions/9655181/convert-from-byte-array-to-hex-string-in-java

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static void	assertNotNull(java.lang.Object o, java.lang.String errMsg)
static java.lang.String	bytesToHex(byte[] bytes)
static byte[]	compressByGzip(byte[] sourceBytes)
static byte[]	decompressByGzip(byte[] sourceBytes)
static java.lang.String	getErrorMessageFromError(java.lang.Throwable t)
static int	getStatusFromError(java.lang.Throwable t)
static java.util.Map<java.lang.String,java.lang.String>	headersToMap(Headers headers)
static boolean	is404(java.lang.Throwable e)
static boolean	isDocumentError(int statusCode)
static boolean	isDocumentError(java.lang.Throwable throwable)
static boolean	isEqual(java.lang.Object obj1, java.lang.Object obj2) Like equals, but works even if either/both are null
static boolean	isGzip(Response response)
static boolean	isPermanentError(Response response)
static boolean	isPermanentError(java.lang.Throwable throwable) in CBLMisc.m BOOL CBLIsPermanentError( NSError* error )
static boolean	isTransientError(Response response)
static boolean	isTransientError(java.lang.Throwable throwable) in CBLMisc.m BOOL CBLMayBeTransientError( NSError* error )
static java.lang.String	join(java.util.List<java.lang.String> list, java.lang.String separator)
static java.lang.String	shortenString(java.lang.String orig, int maxLength)
static void	shutdownAndAwaitTermination(java.util.concurrent.ExecutorService pool)
static void	shutdownAndAwaitTermination(java.util.concurrent.ExecutorService pool, long timeToWait4ShutDown, long timeToWait4ShutDownNow) The following method shuts down an ExecutorService in two phases, first by calling shutdown to reject incoming tasks, and then calling shutdownNow, if necessary, to cancel any lingering tasks: http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/ExecutorService.html

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TIME_TO_WAIT_4_SHUTDOWN

public static int DEFAULT_TIME_TO_WAIT_4_SHUTDOWN

DEFAULT_TIME_TO_WAIT_4_SHUTDOWNNOW

public static int DEFAULT_TIME_TO_WAIT_4_SHUTDOWNNOW

hexArray

protected static final char[] hexArray

cribbed from http://stackoverflow.com/questions/9655181/convert-from-byte-array-to-hex-string-in-java

CHUNK_SIZE

public static int CHUNK_SIZE

Constructor Detail

Utils

public Utils()

Method Detail

isEqual

public static boolean isEqual(java.lang.Object obj1,
                              java.lang.Object obj2)

Like equals, but works even if either/both are null

Parameters:

obj1 - object1 being compared

obj2 - object2 being compared

Returns:

true if both are non-null and obj1.equals(obj2), or true if both are null. otherwise return false.

isPermanentError

public static boolean isPermanentError(java.lang.Throwable throwable)

in CBLMisc.m BOOL CBLIsPermanentError( NSError* error )

isPermanentError

public static boolean isPermanentError(Response response)

isTransientError

public static boolean isTransientError(java.lang.Throwable throwable)

in CBLMisc.m BOOL CBLMayBeTransientError( NSError* error )

isTransientError

public static boolean isTransientError(Response response)

isDocumentError

public static boolean isDocumentError(java.lang.Throwable throwable)

isDocumentError

public static boolean isDocumentError(int statusCode)

bytesToHex

public static java.lang.String bytesToHex(byte[] bytes)

assertNotNull

public static void assertNotNull(java.lang.Object o,
                                 java.lang.String errMsg)

is404

public static boolean is404(java.lang.Throwable e)

getStatusFromError

public static int getStatusFromError(java.lang.Throwable t)

getErrorMessageFromError

public static java.lang.String getErrorMessageFromError(java.lang.Throwable t)

shortenString

public static java.lang.String shortenString(java.lang.String orig,
                                             int maxLength)

isGzip

public static boolean isGzip(Response response)

compressByGzip

public static byte[] compressByGzip(byte[] sourceBytes)

decompressByGzip

public static byte[] decompressByGzip(byte[] sourceBytes)

headersToMap

public static java.util.Map<java.lang.String,java.lang.String> headersToMap(Headers headers)

join

public static java.lang.String join(java.util.List<java.lang.String> list,
                                    java.lang.String separator)

shutdownAndAwaitTermination

public static void shutdownAndAwaitTermination(java.util.concurrent.ExecutorService pool,
                                               long timeToWait4ShutDown,
                                               long timeToWait4ShutDownNow)

The following method shuts down an ExecutorService in two phases, first by calling shutdown to reject incoming tasks, and then calling shutdownNow, if necessary, to cancel any lingering tasks: http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/ExecutorService.html

Parameters:

timeToWait4ShutDown - - Seconds

timeToWait4ShutDownNow - - Seconds

shutdownAndAwaitTermination

public static void shutdownAndAwaitTermination(java.util.concurrent.ExecutorService pool)