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FlagTerm.javaAPI DocJavaMail 1.4.34591Tue Nov 17 10:38:12 GMT 2009javax.mail.search

FlagTerm

public final class FlagTerm extends SearchTerm
This class implements comparisons for Message Flags.
author
Bill Shannon
author
John Mani

Fields Summary
protected boolean
set
Indicates whether to test for the presence or absence of the specified Flag. If true, then test whether all the specified flags are present, else test whether all the specified flags are absent.
protected Flags
flags
Flags object containing the flags to test.
private static final long
serialVersionUID
Constructors Summary
public FlagTerm(Flags flags, boolean set)
Constructor.

param
flags Flags object containing the flags to check for
param
set the flag setting to check for


       	         	          
         
	this.flags = flags;
	this.set = set;
    
Methods Summary
public booleanequals(java.lang.Object obj)
Equality comparison.

	if (!(obj instanceof FlagTerm))
	    return false;
	FlagTerm ft = (FlagTerm)obj;
	return ft.set == this.set && ft.flags.equals(this.flags);
    
public javax.mail.FlagsgetFlags()
Return the Flags to test.

	return (Flags)flags.clone();
    
public booleangetTestSet()
Return true if testing whether the flags are set.

	return set;
    
public inthashCode()
Compute a hashCode for this object.

	return set ? flags.hashCode() : ~flags.hashCode();
    
public booleanmatch(Message msg)
The comparison method.

param
msg The flag comparison is applied to this Message
return
true if the comparson succeeds, otherwise false.


	try {
	    Flags f = msg.getFlags();
	    if (set) { // This is easy
		if (f.contains(flags))
		    return true;
		else 
		    return false;
	    }

	    // Return true if ALL flags in the passed in Flags
	    // object are NOT set in this Message.

	    // Got to do this the hard way ...
	    Flags.Flag[] sf = flags.getSystemFlags();

	    // Check each flag in the passed in Flags object
	    for (int i = 0; i < sf.length; i++) {
		if (f.contains(sf[i]))
		    // this flag IS set in this Message, get out.
		    return false;
	    }

	    String[] s = flags.getUserFlags();

	    // Check each flag in the passed in Flags object
	    for (int i = 0; i < s.length; i++) {
		if (f.contains(s[i]))
		    // this flag IS set in this Message, get out.
		    return false;
	    }

	    return true;

	} catch (Exception e) {
	    return false;
	}