aQute.lib.osgi

Class Clazz

java.lang.Object

aQute.lib.osgi.Clazz

public class Clazz
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	Clazz.Assoc
class	Clazz.ClassConstant
static class	Clazz.FieldDef
static class	Clazz.JAVA
static class	Clazz.MethodDef
static class	Clazz.QUERY

Field Summary

Fields

Modifier and Type	Field and Description
static EnumSet<Clazz.QUERY>	HAS_ARGUMENT

Constructor Summary

Constructors

Constructor and Description
Clazz(String path, Resource resource)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	constantClass(DataInputStream in, int poolIndex)
protected void	constantDouble(DataInputStream in, int poolIndex)
protected void	constantLong(DataInputStream in, int poolIndex)
protected void	constantUtf8(DataInputStream in, int poolIndex)
protected void	crawl(byte[] code) We must find Class.forName references ...
static String	fqnToBinary(String dotted)
static String	fqnToPath(String dotted)
Clazz.JAVA	getFormat()
String	getFQN()
static void	getImplementedPackages(Set<String> implemented, Analyzer analyzer, Clazz clazz)
static String	getPackage(String clazz)
String	getPath()
Set<String>	getReferred()
static String	getShortName(String cname)
String	getSourceFile()
static String	internalToFqn(String string)
boolean	is(Clazz.QUERY query, Instruction instr, Analyzer analyzer)
boolean	isEnum()
boolean	isPublic()
protected void	nameAndType(DataInputStream in, int poolIndex, byte tag)
static String	objectDescriptorToFQN(String string)
Set<String>	parseClassFile()
Set<String>	parseClassFile(InputStream in)
Set<String>	parseClassFile(InputStream in, ClassDataCollector cd)
Set<String>	parseClassFileWithCollector(ClassDataCollector cd)
void	parseDescriptor(String descriptor) This method parses a descriptor and adds the package of the descriptor to the referenced packages.
static String	pathToFqn(String path)
protected void	pool(Object[] pool, int[] intPool)
void	reset() .class construct for different compilers sun 1.1 Detect static variable class$com$acme$MyClass 1.2 " 1.3 " 1.4 " 1.5 ldc_w (class) 1.6 " eclipse 1.1 class$0, ldc (string), invokestatic Class.forName 1.2 " 1.3 " 1.5 ldc (class) 1.6 " 1.5 and later is not an issue, sun pre 1.5 is easy to detect the static variable that decodes the class name.
static String	toDescriptor(Class<?> clazz)
String	toString()
static String	unCamel(String id)

Methods inherited from class java.lang.Object

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

Field Detail

HAS_ARGUMENT

public static EnumSet<Clazz.QUERY> HAS_ARGUMENT

Constructor Detail

Clazz

public Clazz(String path,
     Resource resource)

Method Detail

parseClassFile

public Set<String> parseClassFile()
                           throws Exception

Throws:

Exception

parseClassFile

public Set<String> parseClassFile(InputStream in)
                           throws IOException

Throws:

IOException

parseClassFileWithCollector

public Set<String> parseClassFileWithCollector(ClassDataCollector cd)
                                        throws Exception

Throws:

Exception

parseClassFile

public Set<String> parseClassFile(InputStream in,
                         ClassDataCollector cd)
                           throws IOException

Throws:

IOException

pool

protected void pool(Object[] pool,
        int[] intPool)

nameAndType

protected void nameAndType(DataInputStream in,
               int poolIndex,
               byte tag)
                    throws IOException

Parameters:

in -

poolIndex -

tag -

Throws:

IOException

constantClass

protected void constantClass(DataInputStream in,
                 int poolIndex)
                      throws IOException

Parameters:

in -

poolIndex -

Throws:

IOException

constantDouble

protected void constantDouble(DataInputStream in,
                  int poolIndex)
                       throws IOException

Parameters:

in -

Throws:

IOException

constantLong

protected void constantLong(DataInputStream in,
                int poolIndex)
                     throws IOException

Parameters:

in -

Throws:

IOException

constantUtf8

protected void constantUtf8(DataInputStream in,
                int poolIndex)
                     throws IOException

Parameters:

in -

poolIndex -

Throws:

IOException

crawl

protected void crawl(byte[] code)

We must find Class.forName references ...

Parameters:

code -

parseDescriptor

public void parseDescriptor(String descriptor)

This method parses a descriptor and adds the package of the descriptor to the referenced packages. The syntax of the descriptor is:

   descriptor ::= ( '(' reference * ')' )? reference
   reference  ::= 'L' classname ( '<' references '>' )? ';' | 'B' | 'Z' | ... | '+' | '-' | '['
 

This methods uses heavy recursion to parse the descriptor and a roving pointer to limit the creation of string objects.

Parameters:

descriptor - The to be parsed descriptor

rover - The pointer to start at

getPackage

public static String getPackage(String clazz)

getReferred

public Set<String> getReferred()

getPath

public String getPath()

getSourceFile

public String getSourceFile()

reset

public void reset()

.class construct for different compilers sun 1.1 Detect static variable class$com$acme$MyClass 1.2 " 1.3 " 1.4 " 1.5 ldc_w (class) 1.6 " eclipse 1.1 class$0, ldc (string), invokestatic Class.forName 1.2 " 1.3 " 1.5 ldc (class) 1.6 " 1.5 and later is not an issue, sun pre 1.5 is easy to detect the static variable that decodes the class name. For eclipse, the class$0 gives away we have a reference encoded in a string. compilerversions/compilerversions.jar contains test versions of all versions/compilers.

is

public boolean is(Clazz.QUERY query,
         Instruction instr,
         Analyzer analyzer)
           throws Exception

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object

getFQN

public String getFQN()

getImplementedPackages

public static void getImplementedPackages(Set<String> implemented,
                          Analyzer analyzer,
                          Clazz clazz)
                                   throws Exception

Throws:

Exception

toDescriptor

public static String toDescriptor(Class<?> clazz)

getShortName

public static String getShortName(String cname)

fqnToPath

public static String fqnToPath(String dotted)

fqnToBinary

public static String fqnToBinary(String dotted)

pathToFqn

public static String pathToFqn(String path)

isPublic

public boolean isPublic()

isEnum

public boolean isEnum()

getFormat

public Clazz.JAVA getFormat()

objectDescriptorToFQN

public static String objectDescriptorToFQN(String string)

internalToFqn

public static String internalToFqn(String string)

unCamel

public static String unCamel(String id)