forked from Lainports/opnsense-ports
108 lines
3.2 KiB
Java
108 lines
3.2 KiB
Java
--- src/gnu/io/CommPortEnumerator.java.orig 2007-04-26 05:26:05 UTC
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+++ src/gnu/io/CommPortEnumerator.java
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@@ -69,50 +69,79 @@ import java.util.Enumeration;
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class CommPortEnumerator implements Enumeration
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{
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private CommPortIdentifier index;
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- private final static boolean debug = false;
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+ private final static boolean debug = "true".equals( System.getProperty( "gnu.io.rxtx.DEBUG" ) );
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static
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{
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- if (debug)
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- System.out.println("CommPortEnumerator:{}");
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+ if (debug) System.out.println("CommPortEnumerator:Static{}");
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}
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CommPortEnumerator()
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{
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}
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-/*------------------------------------------------------------------------------
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- nextElement()
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- accept:
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- perform:
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- return:
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- exceptions:
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- comments:
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-------------------------------------------------------------------------------*/
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+
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public Object nextElement()
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{
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- if(debug) System.out.println("CommPortEnumerator:nextElement()");
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+ if (debug) System.out.println("CommPortEnumerator:nextElement()");
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+
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synchronized (CommPortIdentifier.Sync)
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{
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- if(index != null) index = index.next;
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- else index=CommPortIdentifier.CommPortIndex;
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+ if(index != null)
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+ {
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+ index = index.next;
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+ }
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+ else
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+ {
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+ index=CommPortIdentifier.CommPortIndex;
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+ }
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+ if (debug) System.out.println(" CommPortEnumerator:nextElement(" + index + ")");
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return(index);
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}
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}
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-/*------------------------------------------------------------------------------
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- hasMoreElements()
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- accept:
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- perform:
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- return:
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- exceptions:
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- comments:
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-------------------------------------------------------------------------------*/
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+
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public boolean hasMoreElements()
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{
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- if(debug) System.out.println("CommPortEnumerator:hasMoreElements() " + CommPortIdentifier.CommPortIndex == null ? false : true );
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+ if (debug) System.out.println("CommPortEnumerator:hasMoreElements()");
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+
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+ if (CommPortIdentifier.CommPortIndex == null)
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+ {
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+ if (debug) System.out.println(" ComPortIndex is null...");
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+ }
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+ else
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+ {
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+ if (debug) System.out.println(" ComPortIndex is not null...");
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+ }
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+
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synchronized (CommPortIdentifier.Sync)
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{
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- if(index != null) return index.next == null ? false : true;
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- else return CommPortIdentifier.CommPortIndex == null ?
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- false : true;
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+ if (debug) System.out.println(" Syncronised");
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+ if(index != null)
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+ {
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+ if (debug) System.out.println(" Valid index");
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+ if (index.next == null)
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+ {
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+ if (debug) System.out.println("CommPortEnumerator:hasMoreElements: Exit(Next index is null - false)");
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+ return false;
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+ }
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+ else
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+ {
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+ if (debug) System.out.println("CommPortEnumerator:hasMoreElements: Exit(Next index is not null - true)");
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+ return true;
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+ }
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+ }
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+ else
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+ {
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+ if (debug) System.out.println(" Index is not valid");
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+ if (CommPortIdentifier.CommPortIndex == null)
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+ {
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+ if (debug) System.out.println("CommPortEnumerator:hasMoreElements: Exit(CommPortIdentifier.CommPortIndex is null - false)");
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+ return false;
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+ }
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+ else
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+ {
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+ if (debug) System.out.println("CommPortEnumerator:hasMoreElements: Exit(CommPortIdentifier.CommPortIndex is not null - true)");
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+ return true;
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+ }
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+ }
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}
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}
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}
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