org.apache.maven.index.reader

Class Utils

java.lang.Object

org.apache.maven.index.reader.Utils

public final class Utils
extends java.lang.Object

Reusable code snippets and constants.

Since:

5.1.2

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	FIELD_SEPARATOR
static java.util.regex.Pattern	FS_PATTERN
static java.text.DateFormat	INDEX_DATE_FORMAT
static java.lang.String	INDEX_FILE_PREFIX
static java.lang.String	INFO
static java.lang.String	NOT_AVAILABLE
static java.lang.String	UINFO

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Utils()

Method Summary

Modifier and Type	Method and Description
static Record	allGroups(java.util.Collection<java.lang.String> allGroups) Creates a record of type Record.Type.ALL_GROUPS.
static Record	descriptor(java.lang.String repoId) Creates a record of type Record.Type.DESCRIPTOR.
static java.util.Properties	loadProperties(java.io.InputStream inputStream) Creates and loads Properties from provided InputStream and closes the stream.
static java.util.Properties	loadProperties(ResourceHandler.Resource resource) Creates and loads Properties from provided ResourceHandler.Resource if exists, and closes the resource.
static java.lang.String	nvl(java.lang.String v) Helper to translate null into "NA" (not available) value.
static java.lang.String	renvl(java.lang.String v) Helper to translate the "NA" (not available) input into null value.
static java.lang.String	rootGroup(java.lang.String groupId) Returns the "root group" of given groupId.
static Record	rootGroups(java.util.Collection<java.lang.String> rootGroups) Creates a record of type Record.Type.ROOT_GROUPS.
static void	storeProperties(java.io.OutputStream outputStream, java.util.Properties properties) Saves Properties to provided OutputStream and closes the stream.
static void	storeProperties(WritableResourceHandler.WritableResource writableResource, java.util.Properties properties) Saves Properties to provided WritableResourceHandler.WritableResource and closes the resource.

Methods inherited from class java.lang.Object

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

Field Detail

INDEX_FILE_PREFIX

public static final java.lang.String INDEX_FILE_PREFIX

See Also:

Constant Field Values

INDEX_DATE_FORMAT

public static final java.text.DateFormat INDEX_DATE_FORMAT

FIELD_SEPARATOR

public static final java.lang.String FIELD_SEPARATOR

See Also:

Constant Field Values

NOT_AVAILABLE

public static final java.lang.String NOT_AVAILABLE

See Also:

Constant Field Values

UINFO

public static final java.lang.String UINFO

See Also:

Constant Field Values

INFO

public static final java.lang.String INFO

See Also:

Constant Field Values

FS_PATTERN

public static final java.util.regex.Pattern FS_PATTERN

Constructor Detail

Utils

private Utils()

Method Detail

loadProperties

public static java.util.Properties loadProperties(java.io.InputStream inputStream)
                                           throws java.io.IOException

Creates and loads Properties from provided InputStream and closes the stream.

Throws:

java.io.IOException

loadProperties

public static java.util.Properties loadProperties(ResourceHandler.Resource resource)
                                           throws java.io.IOException

Creates and loads Properties from provided ResourceHandler.Resource if exists, and closes the resource. If not exists, returns null.

Throws:

java.io.IOException

storeProperties

public static void storeProperties(java.io.OutputStream outputStream,
                                   java.util.Properties properties)
                            throws java.io.IOException

Saves Properties to provided OutputStream and closes the stream.

Throws:

java.io.IOException

storeProperties

public static void storeProperties(WritableResourceHandler.WritableResource writableResource,
                                   java.util.Properties properties)
                            throws java.io.IOException

Saves Properties to provided WritableResourceHandler.WritableResource and closes the resource.

Throws:

java.io.IOException

descriptor

public static Record descriptor(java.lang.String repoId)

Creates a record of type Record.Type.DESCRIPTOR.

allGroups

public static Record allGroups(java.util.Collection<java.lang.String> allGroups)

Creates a record of type Record.Type.ALL_GROUPS.

rootGroups

public static Record rootGroups(java.util.Collection<java.lang.String> rootGroups)

Creates a record of type Record.Type.ROOT_GROUPS.

renvl

public static java.lang.String renvl(java.lang.String v)

Helper to translate the "NA" (not available) input into null value.

nvl

public static java.lang.String nvl(java.lang.String v)

Helper to translate null into "NA" (not available) value.

rootGroup

public static java.lang.String rootGroup(java.lang.String groupId)

Returns the "root group" of given groupId.