de.fhg.igd.semoa.starter
Class JceLibraryFile

java.lang.Object
  java.io.File
      de.fhg.igd.semoa.starter.FileParameter
          de.fhg.igd.semoa.starter.JceLibraryFile

All Implemented Interfaces:

Comparable, Parameter, Serializable

public class JceLibraryFile

extends FileParameter

This is a wrapper class for a JCE library file which is expected to be found either in the lib, respectively jre/lib directory or in the JCE backup directory of the currently used Java RE, as well as in the <semoa-base>/ext directory as the JCE Patch file provided by SeMoA.

Version:

"$Id: JceLibraryFile.java 1913 2007-08-08 02:41:53Z jpeters $"

Author:

Matthias Pressfreund

See Also:

Serialized Form

Field Summary

protected static String	ATTRIBUTE_TITLE_ The implementation title attribute name in manifest file
protected static String	ATTRIBUTE_VENDOR_ The vendor attribute name in manifest file
protected static String	ATTRIBUTE_VERSION_ The version attribute name in manifest file
protected static String[]	RECOMMENDED_VENDORS_ Vendor definitions of recommended JCE libraries
static String	REGULAR_NAME The default name of a JCE file which is expected to be found either in the lib or in the jre/lib directory of the currently used Java RE
static String	SEMOA_NAME The name of the external SeMoA JCE patch file that is normally expected to be found in <semoa-base>/ext
protected String	title_ The implemenation title
protected static String	VALUE_UNKNOWN The output text for unknown attribute values
protected String	vendor_ The vendor name
protected String	version_ The version number

Fields inherited from class de.fhg.igd.semoa.starter.FileParameter

abbr_, SHORT_USER_DIR, SHORT_USER_HOME

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

protected

JceLibraryFile(String file) Hidden construction.

Method Summary

static JceLibraryFile	create(String file) Create a valid JceLibraryFile instance.
protected String	detectAttribute(String attr) Try to detect an attribute in the manifest of this JCE JAR library file.
protected String	detectTitle() Try to detect the implementation title of this JCE file.
protected String	detectVendor() Try to detect the vendor of this JCE file.
protected String	detectVersion() Try to detect the version of this JCE file.
String	getTitle()
String	getVendor()
String	getVersion()
protected void	init() After invoking FileParameter.init(), try to detect the vendor, the version and the title.
boolean	isRecommended() Check if the library is recommended for SeMoA.
protected boolean	isValid() Check for a manifest file.

Methods inherited from class de.fhg.igd.semoa.starter.FileParameter

isFlawed, normalize, toFull, toFullString, toShort, toShortString, toString

Methods inherited from class java.io.File

canRead, canWrite, compareTo, compareTo, createNewFile, createTempFile, createTempFile, delete, deleteOnExit, equals, exists, getAbsoluteFile, getAbsolutePath, getCanonicalFile, getCanonicalPath, getName, getParent, getParentFile, getPath, hashCode, isAbsolute, isDirectory, isFile, isHidden, lastModified, length, list, list, listFiles, listFiles, listFiles, listRoots, mkdir, mkdirs, renameTo, setLastModified, setReadOnly, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

REGULAR_NAME

public static final String REGULAR_NAME

The default name of a JCE file which is expected to be found either in the lib or in the jre/lib directory of the currently used Java RE

See Also:

Constant Field Values

SEMOA_NAME

public static final String SEMOA_NAME

The name of the external SeMoA JCE patch file that is normally expected to be found in <semoa-base>/ext

See Also:

Constant Field Values

RECOMMENDED_VENDORS_

protected static final String[] RECOMMENDED_VENDORS_

Vendor definitions of recommended JCE libraries

ATTRIBUTE_VENDOR_

protected static final String ATTRIBUTE_VENDOR_

The vendor attribute name in manifest file

See Also:

Constant Field Values

ATTRIBUTE_VERSION_

protected static final String ATTRIBUTE_VERSION_

The version attribute name in manifest file

See Also:

Constant Field Values

ATTRIBUTE_TITLE_

protected static final String ATTRIBUTE_TITLE_

The implementation title attribute name in manifest file

See Also:

Constant Field Values

VALUE_UNKNOWN

protected static final String VALUE_UNKNOWN

The output text for unknown attribute values

See Also:

Constant Field Values

vendor_

protected String vendor_

The vendor name

version_

protected String version_

The version number

title_

protected String title_

The implemenation title

Constructor Detail

JceLibraryFile

protected JceLibraryFile(String file)

Hidden construction. Usage of create(java.lang.String) is intended for object creation.

Parameters:

file - The original file

Method Detail

init

protected void init()

After invoking FileParameter.init(), try to detect the vendor, the version and the title.

Overrides:

init in class FileParameter

create

public static JceLibraryFile create(String file)

Create a valid JceLibraryFile instance.

Parameters:

file - The original file

Returns:

A valid JceLibraryFile

detectVendor

protected String detectVendor()

Try to detect the vendor of this JCE file.

Returns:

The attribute value or an identifier for an unknown value if it could not be detected

detectVersion

protected String detectVersion()

Try to detect the version of this JCE file.

Returns:

The attribute value or an identifier for an unknown value if it could not be detected

detectTitle

protected String detectTitle()

Try to detect the implementation title of this JCE file.

Returns:

The attribute value or an identifier for an unknown value if it could not be detected

detectAttribute

protected String detectAttribute(String attr)

Try to detect an attribute in the manifest of this JCE JAR library file.

Parameters:

attr - The attribute to find

Returns:

The attribute value or an identifier for an unknown value if it could not be detected

isValid

protected boolean isValid()

Check for a manifest file.

Specified by:

isValid in class FileParameter

Returns:

true if this is a valid JceLibraryFile

isRecommended

public boolean isRecommended()

Check if the library is recommended for SeMoA.

Returns:

true if the vendor can be found in RECOMMENDED_VENDORS_

getVendor

public String getVendor()

getVersion

public String getVersion()

getTitle

public String getTitle()