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Java Source Code / Java Documentation » Swing Library » jEdit » org.gjt.sp.jedit.bsh.classpath   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.gjt.sp.jedit.bsh.classpath.BshClassPath BshClassPath public class BshClassPath implements ClassPathListener,NameSource(Code) A BshClassPath encapsulates knowledge about a class path of URLs. It can maps all classes the path which may include: jar/zip files and base dirs A BshClassPath may composite other BshClassPaths as components of its path and will reflect changes in those components through its methods and listener interface. Classpath traversal is done lazily when a call is made to getClassesForPackage() or getClassSource() or can be done explicitily through insureInitialized(). Feedback on mapping progress is provided through the MappingFeedback interface. Design notes: Several times here we traverse ourselves and our component paths to produce a composite view of some thing relating to the path. This would be an opportunity for a visitor pattern. Inner Class :abstract public static class ClassSource Inner Class :public static class JarClassSource extends ClassSource Inner Class :public static class DirClassSource extends ClassSource Inner Class :public static class GeneratedClassSource extends ClassSource Inner Class :static class UnqualifiedNameTable extends HashMap Inner Class :public static class AmbiguousName Inner Class :public static interface MappingFeedback Field Summary static  BshClassPath bootClassPath       Vector listeners      static  MappingFeedback mappingFeedbackListener       String name       List nameSourceListeners      static  BshClassPath userClassPath      static  URL[] userClassPathComp      Constructor Summary public   BshClassPath(String name)      public   BshClassPath(String name, URL[] urls)      Method Summary public  void add(URL[] urls)      public  void add(URL url)      public  void addComponent(BshClassPath bcp)      Add the specified BshClassPath as a component of our path. public  void addListener(ClassPathListener l)      public static  void addMappingFeedback(MappingFeedback mf)      public  void addNameSourceListener(NameSource.Listener listener)      Implements NameSource Add a listener who is notified upon changes to names in this space. public static  String canonicalizeClassName(String name)      Create a proper class name from a messy thing. Turn / or \ into ., remove leading class and trailing .class Note: this makes lots of strings...  void classMapping(String msg)      public  void classPathChanged()       void endClassMapping()       void errorWhileMapping(String s)      public  String[] getAllNames()      public static  BshClassPath getBootClassPath()      Get the boot path including the lib/rt.jar if possible. public  String getClassNameByUnqName(String name)      Support for super import "*"; Get the full name associated with the unqualified name in this classpath. public synchronized  ClassSource getClassSource(String className)      Return the source of the specified class which may lie in component path. public synchronized  Set getClassesForPackage(String pack)      Return the set of class names in the specified package including all component paths. protected  List getFullPath()      Get the full path including component paths. public  Set getPackagesSet()      public  URL[] getPathComponents()      Get the path components including any component paths. public static  BshClassPath getUserClassPath()      public static  URL[] getUserClassPathComponents()      public  void insureInitialized()      If the claspath map is not initialized, do it now. If component maps are not do them as well... Random note: Should this be "insure" or "ensure". protected synchronized  void insureInitialized(boolean topPath)      public static  boolean isArchiveFileName(String name)      public static  boolean isClassFileName(String name)      public static  void main(String[] args)      synchronized  void map(URL[] urls)      synchronized  void map(URL url)       void nameSpaceChanged()       void notifyListeners()      public static  Collection removeInnerClassNames(Collection col)      public  void removeListener(ClassPathListener l)      static  String[] searchJarForClasses(URL jar)      public synchronized  void setClassSource(String className, ClassSource cs)      Explicitly set a class source. public  void setPath(URL[] urls)      public static  String[] splitClassname(String classname)       void startClassMapping()      public  String toString()      static  String[] traverseDirForClasses(File dir)      static  List traverseDirForClassesAux(File topDir, File dir)      Field Detail bootClassPath static BshClassPath bootClassPath(Code) listeners Vector listeners(Code) mappingFeedbackListener static MappingFeedback mappingFeedbackListener(Code) only allow one for now name String name(Code) nameSourceListeners List nameSourceListeners(Code) userClassPath static BshClassPath userClassPath(Code) userClassPathComp static URL[] userClassPathComp(Code) The user classpath from system property java.class.path Constructor Detail BshClassPath public BshClassPath(String name)(Code) BshClassPath public BshClassPath(String name, URL[] urls)(Code) Method Detail add public void add(URL[] urls)(Code) add public void add(URL url) throws IOException(Code) addComponent public void addComponent(BshClassPath bcp)(Code) Add the specified BshClassPath as a component of our path. Changes in the bcp will be reflected through us. addListener public void addListener(ClassPathListener l)(Code) addMappingFeedback public static void addMappingFeedback(MappingFeedback mf)(Code) addNameSourceListener public void addNameSourceListener(NameSource.Listener listener)(Code) Implements NameSource Add a listener who is notified upon changes to names in this space. canonicalizeClassName public static String canonicalizeClassName(String name)(Code) Create a proper class name from a messy thing. Turn / or \ into ., remove leading class and trailing .class Note: this makes lots of strings... could be faster. classMapping void classMapping(String msg)(Code) classPathChanged public void classPathChanged()(Code) endClassMapping void endClassMapping()(Code) errorWhileMapping void errorWhileMapping(String s)(Code) getAllNames public String[] getAllNames()(Code) getBootClassPath public static BshClassPath getBootClassPath() throws ClassPathException(Code) Get the boot path including the lib/rt.jar if possible. getClassNameByUnqName public String getClassNameByUnqName(String name) throws ClassPathException(Code) Support for super import "*"; Get the full name associated with the unqualified name in this classpath. Returns either the String name or an AmbiguousName object encapsulating the various names. getClassSource public synchronized ClassSource getClassSource(String className)(Code) Return the source of the specified class which may lie in component path. getClassesForPackage public synchronized Set getClassesForPackage(String pack)(Code) Return the set of class names in the specified package including all component paths. getFullPath protected List getFullPath()(Code) Get the full path including component paths. (component paths listed first, in order) Duplicate path components are removed. getPackagesSet public Set getPackagesSet()(Code) Get a list of all of the known packages getPathComponents public URL[] getPathComponents()(Code) Get the path components including any component paths. getUserClassPath public static BshClassPath getUserClassPath() throws ClassPathException(Code) A BshClassPath initialized to the user path from java.class.path getUserClassPathComponents public static URL[] getUserClassPathComponents() throws ClassPathException(Code) insureInitialized public void insureInitialized()(Code) If the claspath map is not initialized, do it now. If component maps are not do them as well... Random note: Should this be "insure" or "ensure". I know I've seen "ensure" used in the JDK source. Here's what Webster has to say: Main Entry:ensure Pronunciation:in-'shur Function:transitive verb Inflected Form(s):ensured; ensuring : to make sure, certain, or safe : GUARANTEE synonyms ENSURE, INSURE, ASSURE, SECURE mean to make a thing or person sure. ENSURE, INSURE, and ASSURE are interchangeable in many contexts where they indicate the making certain or inevitable of an outcome, but INSURE sometimes stresses the taking of necessary measures beforehand, and ASSURE distinctively implies the removal of doubt and suspense from a person's mind. SECURE implies action taken to guard against attack or loss. insureInitialized protected synchronized void insureInitialized(boolean topPath)(Code) Parameters:   topPath - indicates that this is the top level classpathcomponent and it should send the startClassMapping message isArchiveFileName public static boolean isArchiveFileName(String name)(Code) isClassFileName public static boolean isClassFileName(String name)(Code) main public static void main(String[] args) throws Exception(Code) map synchronized void map(URL[] urls)(Code) call map(url) for each url in the array map synchronized void map(URL url) throws IOException(Code) nameSpaceChanged void nameSpaceChanged()(Code) Fire the NameSourceListeners notifyListeners void notifyListeners()(Code) removeInnerClassNames public static Collection removeInnerClassNames(Collection col)(Code) Return a new collection without any inner class names removeListener public void removeListener(ClassPathListener l)(Code) searchJarForClasses static String[] searchJarForClasses(URL jar) throws IOException(Code) Get the class file entries from the Jar setClassSource public synchronized void setClassSource(String className, ClassSource cs)(Code) Explicitly set a class source. This is used for generated classes, but could potentially be used to allow a user to override which version of a class from the classpath is located. setPath public void setPath(URL[] urls)(Code) splitClassname public static String[] splitClassname(String classname)(Code) Split class name into package and name startClassMapping void startClassMapping()(Code) toString public String toString()(Code) traverseDirForClasses static String[] traverseDirForClasses(File dir) throws IOException(Code) traverseDirForClassesAux static List traverseDirForClassesAux(File topDir, File dir) throws IOException(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)