Package org.lightcouch

Class CouchDbUtil

java.lang.Object

org.lightcouch.CouchDbUtil

final class CouchDbUtil
extends Object

Provides various utility methods, for internal use.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	LINE_SEP
private static final String	SPRING_BOOT_DIR

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CouchDbUtil()

Method Summary

Modifier and Type	Method	Description
static void	assertNotEmpty(Object object, String prefix)
static void	assertNull(Object object, String prefix)
static void	close(Closeable c)	Closes a resource.
static void	close(org.apache.http.HttpResponse response)	Closes the response input stream.
static String	generateUUID()
static int	getAsInt(com.google.gson.JsonObject j, String e)
static long	getAsLong(com.google.gson.JsonObject j, String e)
static String	getAsString(com.google.gson.JsonObject j, String e)
static InputStream	getStream(org.apache.http.HttpResponse response)
static <T> T	JsonToObject(com.google.gson.Gson gson, com.google.gson.JsonElement elem, String key, Class<T> classType)
static List<String>	listResources(String path)	List directory contents for a resource folder.
static String	readFile(String path)
static String	removeExtension(String fileName)
static String	streamToString(InputStream in)

Methods inherited from class java.lang.Object

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

Field Details

LINE_SEP

private static final String LINE_SEP

SPRING_BOOT_DIR

private static final String SPRING_BOOT_DIR

See Also:

• Constant Field Values

Constructor Details

CouchDbUtil

private CouchDbUtil()

Method Details

assertNotEmpty

public static void assertNotEmpty(Object object,
 String prefix)
                           throws IllegalArgumentException

Throws:

IllegalArgumentException

assertNull

public static void assertNull(Object object,
 String prefix)
                       throws IllegalArgumentException

Throws:

IllegalArgumentException

generateUUID

public static String generateUUID()

JsonToObject

public static <T> T JsonToObject(com.google.gson.Gson gson,
 com.google.gson.JsonElement elem,
 String key,
 Class<T> classType)

getAsString

public static String getAsString(com.google.gson.JsonObject j,
 String e)

Returns:

A JSON element as a String, or null if not found.

getAsLong

public static long getAsLong(com.google.gson.JsonObject j,
 String e)

Returns:

A JSON element as long, or 0 if not found.

getAsInt

public static int getAsInt(com.google.gson.JsonObject j,
 String e)

Returns:

A JSON element as int, or 0 if not found.

listResources

public static List<String> listResources(String path)

List directory contents for a resource folder. Not recursive. This is basically a brute-force implementation. Works for regular files and also JARs.

Parameters:

path - Should end with "/", but not start with one.

Returns:

Just the name of each member item, not the full paths.

readFile

public static String readFile(String path)

getStream

public static InputStream getStream(org.apache.http.HttpResponse response)

Returns:

InputStream of HttpResponse

removeExtension

public static String removeExtension(String fileName)

streamToString

public static String streamToString(InputStream in)

close

public static void close(org.apache.http.HttpResponse response)

Closes the response input stream.

Parameters:

response - The HttpResponse

close

public static void close(Closeable c)

Closes a resource.

Parameters:

c - The Closeable resource.