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Java Source Code / Java Documentation » 6.0 JDK Core » Collections Jar Zip Logging regex » java.util.prefs 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.util.prefs.XmlSupport

XmlSupport
class XmlSupport (Code)
XML Support for java.util.prefs. Methods to import and export preference nodes and subtrees.
author:
   Josh Bloch and Mark Reinhold
version:
   1.17, 05/05/07
See Also:   Preferences
since:
   1.4




Method Summary
static  voidexport(OutputStream os, Preferences p, boolean subTree)
     Export the specified preferences node and, if subTree is true, all subnodes, to the specified output stream.
static  voidexportMap(OutputStream os, Map map)
     Export the specified Map to a map document on the specified OutputStream as per the prefs DTD.
static  voidimportMap(InputStream is, Map m)
     Import Map from the specified input stream, which is assumed to contain a map document as per the prefs DTD.
static  voidimportPreferences(InputStream is)
     Import preferences from the specified input stream, which is assumed to contain an XML document in the format described in the Preferences spec.



Method Detail
export
static void export(OutputStream os, Preferences p, boolean subTree) throws IOException, BackingStoreException(Code)
Export the specified preferences node and, if subTree is true, all subnodes, to the specified output stream. Preferences are exported as an XML document conforming to the definition in the Preferences spec.
throws:
  IOException - if writing to the specified output streamresults in an IOException.
throws:
  BackingStoreException - if preference data cannot be read frombacking store.
throws:
  IllegalStateException - if this node (or an ancestor) has beenremoved with the XmlSupport.removeNode() method.



exportMap
static void exportMap(OutputStream os, Map map) throws IOException(Code)
Export the specified Map to a map document on the specified OutputStream as per the prefs DTD. This is used as the internal (undocumented) format for FileSystemPrefs.
throws:
  IOException - if writing to the specified output streamresults in an IOException.



importMap
static void importMap(InputStream is, Map m) throws IOException, InvalidPreferencesFormatException(Code)
Import Map from the specified input stream, which is assumed to contain a map document as per the prefs DTD. This is used as the internal (undocumented) format for FileSystemPrefs. The key-value pairs specified in the XML document will be put into the specified Map. (If this Map is empty, it will contain exactly the key-value pairs int the XML-document when this method returns.)
throws:
  IOException - if reading from the specified output streamresults in an IOException.
throws:
  InvalidPreferencesFormatException - Data on input stream does notconstitute a valid XML document with the mandated document type.



importPreferences
static void importPreferences(InputStream is) throws IOException, InvalidPreferencesFormatException(Code)
Import preferences from the specified input stream, which is assumed to contain an XML document in the format described in the Preferences spec.
throws:
  IOException - if reading from the specified output streamresults in an IOException.
throws:
  InvalidPreferencesFormatException - Data on input stream does notconstitute a valid XML document with the mandated document type.



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)

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