org.apache.felix.webconsole.internal
Class Util

java.lang.Object
  org.apache.felix.webconsole.internal.Util

public class Util
extends java.lang.Object

The Util class contains various utility methods used internally by the web console implementation and the build-in plugins.

Field Summary

static java.lang.String	PAGE_LOGS Logs subpage
static java.lang.String	PAGE_VM_STAT vm statistics subpage
static java.lang.String	PAGE_WEBAPPS web apps subpage
static java.lang.String	PARAM_ACTION Parameter name
static java.lang.String	PARAM_CONTENT Parameter name
static java.lang.String	PARAM_SHUTDOWN Parameter name
static java.lang.String	VALUE_SHUTDOWN Parameter value

Constructor Summary

Util()

Method Summary

static java.lang.String	getHeaderValue(org.osgi.framework.Bundle bundle, java.lang.String headerName) Returns the value of the header or the empty string if the header is not available.
static java.lang.String	getName(org.osgi.framework.Bundle bundle, java.util.Locale locale) Return a display name for the given bundle: If the bundle has a non-empty Bundle-Name manifest header that value is returned. Otherwise the symbolic name is returned if set Otherwise the bundle's location is returned if defined Finally, as a last resort, the bundles id is returned
static java.util.ArrayList	list(java.util.Enumeration e) This method is the same as Collections#list(Enumeration).
static java.util.Locale	parseLocaleString(java.lang.String locale) This method expects a locale string in format language_COUNTRY, or language.
static void	sort(org.osgi.framework.Bundle[] bundles, java.util.Locale locale) Orders the bundles according to their name as returned by getName(Bundle, Locale), with the exception that the system bundle is always place as the first entry.

Methods inherited from class java.lang.Object

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

Field Detail

PAGE_WEBAPPS

public static final java.lang.String PAGE_WEBAPPS

web apps subpage

See Also:

Constant Field Values

PAGE_VM_STAT

public static final java.lang.String PAGE_VM_STAT

vm statistics subpage

See Also:

Constant Field Values

PAGE_LOGS

public static final java.lang.String PAGE_LOGS

Logs subpage

See Also:

Constant Field Values

PARAM_ACTION

public static final java.lang.String PARAM_ACTION

Parameter name

See Also:

Constant Field Values

PARAM_CONTENT

public static final java.lang.String PARAM_CONTENT

Parameter name

See Also:

Constant Field Values

PARAM_SHUTDOWN

public static final java.lang.String PARAM_SHUTDOWN

Parameter name

See Also:

Constant Field Values

VALUE_SHUTDOWN

public static final java.lang.String VALUE_SHUTDOWN

Parameter value

See Also:

Constant Field Values

Constructor Detail

Util

public Util()

Method Detail

getName

public static java.lang.String getName(org.osgi.framework.Bundle bundle,
                                       java.util.Locale locale)

Return a display name for the given bundle:

1. If the bundle has a non-empty Bundle-Name manifest header that value is returned.
2. Otherwise the symbolic name is returned if set
3. Otherwise the bundle's location is returned if defined
4. Finally, as a last resort, the bundles id is returned

Parameters:

bundle - the bundle which name to retrieve

locale - the locale, in which the bundle name is requested

Returns:

the bundle name - see the description of the method for more details.

getHeaderValue

public static java.lang.String getHeaderValue(org.osgi.framework.Bundle bundle,
                                              java.lang.String headerName)

Returns the value of the header or the empty string if the header is not available.

Parameters:

bundle - the bundle which header to retrieve

headerName - the name of the header to retrieve

Returns:

the header or empty string if it is not set

sort

public static void sort(org.osgi.framework.Bundle[] bundles,
                        java.util.Locale locale)

Orders the bundles according to their name as returned by getName(Bundle, Locale), with the exception that the system bundle is always place as the first entry. If two bundles have the same name, they are ordered according to their version. If they have the same version, the bundle with the lower bundle id comes before the other.

Parameters:

bundles - the bundles to sort

locale - the locale, used to obtain the localized bundle name

list

public static final java.util.ArrayList list(java.util.Enumeration e)

This method is the same as Collections#list(Enumeration). The reason to duplicate it here, is that it is missing in OSGi/Minimum execution environment.

Parameters:

e - the enumeration which to convert

Returns:

the list containing all enumeration entries.

parseLocaleString

public static final java.util.Locale parseLocaleString(java.lang.String locale)

This method expects a locale string in format language_COUNTRY, or language. The method will determine which is the correct form of locale string and construct a Locale object.

Parameters:

locale - the locale string, if null - default locale is returned

Returns:

a locale object

See Also:

Locale