org.eclipse.osgi.internal.baseadaptor
Class AdaptorUtil

java.lang.Object
  org.eclipse.osgi.internal.baseadaptor.AdaptorUtil

public class AdaptorUtil
extends Object

A utility class with some generally useful static methods for adaptor hook implementations

Field Summary

static byte	NULL The NULL tag used in bundle storage
static byte	OBJECT The OBJECT tag used in bundle storage

Constructor Summary

AdaptorUtil()

Method Summary

static boolean	canWrite(File installDir)
static void	copyDir(File inDir, File outDir) Does a recursive copy of one directory to another.
static URL	encodeFileURL(File file)
static byte[]	getBytes(InputStream in, int length, int BUF_SIZE)
static Dictionary<String,String>	loadManifestFrom(BaseData bundledata)
static Version	loadVersion(DataInputStream in)
static void	readFile(InputStream in, File file) Read a file from an InputStream and write it to the file system.
static String	readString(DataInputStream in, boolean intern)
static ServiceRegistration<?>	register(String name, Object service, BundleContext context) Register a service object.
static boolean	rm(File file) This function performs the equivalent of "rm -r" on a file or directory.
static void	writeStringOrNull(DataOutputStream out, String string)

Methods inherited from class java.lang.Object

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

Field Detail

NULL

public static final byte NULL

The NULL tag used in bundle storage

See Also:

Constant Field Values

OBJECT

public static final byte OBJECT

The OBJECT tag used in bundle storage

See Also:

Constant Field Values

Constructor Detail

AdaptorUtil

public AdaptorUtil()

Method Detail

copyDir

public static void copyDir(File inDir,
                           File outDir)
                    throws IOException

Does a recursive copy of one directory to another.

Parameters:

inDir - input directory to copy.

outDir - output directory to copy to.

Throws:

IOException - if any error occurs during the copy.

readFile

public static void readFile(InputStream in,
                            File file)
                     throws IOException

Read a file from an InputStream and write it to the file system.

Parameters:

in - InputStream from which to read. This stream will be closed by this method.

file - output file to create.

Throws:

IOException

rm

public static boolean rm(File file)

This function performs the equivalent of "rm -r" on a file or directory.

Parameters:

file - file or directory to delete

Returns:

false is the specified files still exists, true otherwise.

readString

public static String readString(DataInputStream in,
                                boolean intern)
                         throws IOException

Throws:

IOException

writeStringOrNull

public static void writeStringOrNull(DataOutputStream out,
                                     String string)
                              throws IOException

Throws:

IOException

loadVersion

public static Version loadVersion(DataInputStream in)
                           throws IOException

Throws:

IOException

register

public static ServiceRegistration<?> register(String name,
                                              Object service,
                                              BundleContext context)

Register a service object.

Parameters:

name - the service class name

service - the service object

context - the registering bundle context

Returns:

the service registration object

loadManifestFrom

public static Dictionary<String,String> loadManifestFrom(BaseData bundledata)
                                                  throws BundleException

Throws:

BundleException

canWrite

public static boolean canWrite(File installDir)

encodeFileURL

public static URL encodeFileURL(File file)
                         throws MalformedURLException

Throws:

MalformedURLException

getBytes

public static byte[] getBytes(InputStream in,
                              int length,
                              int BUF_SIZE)
                       throws IOException

Throws:

IOException