Java Doc for LinkMessage.java in  » 6.0-JDK-Modules » j2me » com » sun » midp » links » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.midp.links 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.sun.midp.links.LinkMessage

LinkMessage
public class LinkMessage (Code)
Encapsulates some data to be sent between Isolates through a Link.


Field Summary
 Objectcontents
    
 intlength
    
 intoffset
    

Constructor Summary
 LinkMessage()
     Constructs an empty LinkMessage.

Method Summary
public  booleancontainsData()
     Queries whether the LinkMessage contains data, that is, a byte array.
public  booleancontainsLink()
     Queries whether the LinkMessage contains a Link.
public  booleancontainsString()
     Queries whether the LinkMessage contains a String.
public  Objectextract()
     Returns the contents of the LinkMessage as an Object.
public  byte[]extractData()
     Returns the contents of the LinkMessage if it contains a byte array.
public  LinkextractLink()
     Returns the contents of the LinkMessage if it contains is a Link.
public  StringextractString()
     Returns the contents of the LinkMessage if it contains is a String.
public static  LinkMessagenewDataMessage(byte[] data)
    
public static  LinkMessagenewDataMessage(byte[] data, int offset, int length)
    
public static  LinkMessagenewLinkMessage(Link link)
    
public static  LinkMessagenewStringMessage(String string)
    

Field Detail
contents
Object contents(Code)



length
int length(Code)



offset
int offset(Code)




Constructor Detail
LinkMessage
LinkMessage()(Code)
Constructs an empty LinkMessage. This is used only by Link.receive().




Method Detail
containsData
public boolean containsData()(Code)
Queries whether the LinkMessage contains data, that is, a byte array.



containsLink
public boolean containsLink()(Code)
Queries whether the LinkMessage contains a Link.



containsString
public boolean containsString()(Code)
Queries whether the LinkMessage contains a String.



extract
public Object extract()(Code)
Returns the contents of the LinkMessage as an Object. The caller must test the reference returned using instanceof and cast it appropriately.



extractData
public byte[] extractData()(Code)
Returns the contents of the LinkMessage if it contains a byte array. If the message does not contain a byte array, throws IllegalStateException.



extractLink
public Link extractLink()(Code)
Returns the contents of the LinkMessage if it contains is a Link. If the message does not contain a Link, throws IllegalStateException.



extractString
public String extractString()(Code)
Returns the contents of the LinkMessage if it contains is a String. If the message does not contain a String, throws IllegalStateException.



newDataMessage
public static LinkMessage newDataMessage(byte[] data)(Code)



newDataMessage
public static LinkMessage newDataMessage(byte[] data, int offset, int length)(Code)



newLinkMessage
public static LinkMessage newLinkMessage(Link link)(Code)



newStringMessage
public static LinkMessage newStringMessage(String string)(Code)



Methods inherited from java.lang.Object
public boolean equals(Object obj)(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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