com.sun.tools.javac.processing
Class ServiceProxy

java.lang.Object
  com.sun.tools.javac.processing.ServiceProxy

 class ServiceProxy
extends java.lang.Object

Utility class to determine if a service can be found on the path that might be used to create a class loader.

This is NOT part of any API supported by Sun Microsystems. If you write code that depends on this, you do so at your own risk. This code and its internal interfaces are subject to change or deletion without notice.

Nested Class Summary

(package private) static class

ServiceProxy.ServiceConfigurationError

Field Summary

private static java.lang.String

prefix

Constructor Summary

ServiceProxy()

Method Summary

private static void	fail(java.lang.Class<?> service, java.lang.String msg)
private static void	fail(java.lang.Class<?> service, java.net.URL u, int line, java.lang.String msg)
static boolean	hasService(java.lang.Class<?> service, java.net.URL[] urls) Return true if a description for at least one service is found in the service configuration files in the given URLs.
private static boolean	parse(java.lang.Class<?> service, java.net.URL u) Parse the content of the given URL as a provider-configuration file.

Methods inherited from class java.lang.Object

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

Field Detail

prefix

private static final java.lang.String prefix

See Also:

Constant Field Values

Constructor Detail

ServiceProxy

ServiceProxy()

Method Detail

fail

private static void fail(java.lang.Class<?> service,
                         java.lang.String msg)
                  throws ServiceProxy.ServiceConfigurationError

Throws:

ServiceProxy.ServiceConfigurationError

fail

private static void fail(java.lang.Class<?> service,
                         java.net.URL u,
                         int line,
                         java.lang.String msg)
                  throws ServiceProxy.ServiceConfigurationError

Throws:

ServiceProxy.ServiceConfigurationError

parse

private static boolean parse(java.lang.Class<?> service,
                             java.net.URL u)
                      throws ServiceProxy.ServiceConfigurationError

Parse the content of the given URL as a provider-configuration file.

Parameters:

service - The service class for which providers are being sought; used to construct error detail strings

url - The URL naming the configuration file to be parsed

Returns:

true if the name of a service is found

Throws:

ServiceProxy.ServiceConfigurationError - If an I/O error occurs while reading from the given URL, or if a configuration-file format error is detected

hasService

public static boolean hasService(java.lang.Class<?> service,
                                 java.net.URL[] urls)
                          throws ServiceProxy.ServiceConfigurationError

Return true if a description for at least one service is found in the service configuration files in the given URLs.

Throws:

ServiceProxy.ServiceConfigurationError