Attachment #5771 for bug #23350

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    /** Generated serial version UID. */
    static final long serialVersionUID =-5086491126656157958L;

    private static TemplateWizard.Iterator groupTemplateIterator = null;
    private static synchronized TemplateWizard.Iterator getGroupTemplateIterator() {
        if (groupTemplateIterator == null) {
            groupTemplateIterator = new GroupTemplateIterator();
        }
        return groupTemplateIterator;
    }

    
    /** Constructs group shadow data object. */
    public GroupShadow(final FileObject fo, DataLoader dl)
    throws DataObjectExistsException, IllegalArgumentException, IOException {
        super(fo, dl);

        if (isTemplate() && TemplateWizard.getIterator(this) == null
                && !fo.isReadOnly())
            try {
                TemplateWizard.setIterator(this, new GroupTemplateIterator());
            } catch (IOException ioe) {
                if(Boolean.getBoolean("netbeans.debug.exceptions")) { // NOI18N
                    System.err.println("[WARNING] Cannot attach template iterator to "+fo.getName()+" group."); // NOI18N
                    ioe.printStackTrace();
                }
            }

        // track changes when dataobject becomes template; listener is
        // attached all the time (filesystem attributes could be deleted...)
        addPropertyChangeListener(new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent evt) {
                if (DataObject.PROP_TEMPLATE.equals(evt.getPropertyName())
                      && new Boolean(true).equals(evt.getNewValue())) {
                    try {
                        if (TemplateWizard.getIterator(GroupShadow.this) == null)
                            TemplateWizard.setIterator(GroupShadow.this,
                                                  new GroupTemplateIterator());
                    }
                    catch (IOException ex) { // do nothing...
                    }
                }
            }
        });
    }

    


    /** Adds a {@link CompilerCookie compilation cookie}. */
    public Node.Cookie getCookie (Class cookie) {
        if (cookie.isAssignableFrom(GroupShadowCompiler.class)) {
            return new GroupShadowCompiler (this, cookie);
        } else if (cookie == TemplateWizard.Iterator.class) {
            return getGroupTemplateIterator();
        } else {
            return super.getCookie (cookie);
        }
        return super.getCookie (cookie);
    }

    /** Reads whole file to the List.

Return to bug 23350

Lines 96-134 Link Here

(-)utilities/src/org/netbeans/modules/group/GroupShadow.java (-32 / +14 lines)
96	/** Generated serial version UID. */	96	/** Generated serial version UID. */
97	static final long serialVersionUID =-5086491126656157958L;	97	static final long serialVersionUID =-5086491126656157958L;
98		98
		99	private static TemplateWizard.Iterator groupTemplateIterator = null;
		100	private static synchronized TemplateWizard.Iterator getGroupTemplateIterator() {
		101	if (groupTemplateIterator == null) {
		102	groupTemplateIterator = new GroupTemplateIterator();
		103	}
		104	return groupTemplateIterator;
		105	}
		106
99		107
100	/** Constructs group shadow data object. */	108	/** Constructs group shadow data object. */
101	public GroupShadow(final FileObject fo, DataLoader dl)	109	public GroupShadow(final FileObject fo, DataLoader dl)
102	throws DataObjectExistsException, IllegalArgumentException, IOException {	110	throws DataObjectExistsException, IllegalArgumentException, IOException {
103	super(fo, dl);	111	super(fo, dl);
104
105	if (isTemplate() && TemplateWizard.getIterator(this) == null
106	&& !fo.isReadOnly())
107	try {
108	TemplateWizard.setIterator(this, new GroupTemplateIterator());
109	} catch (IOException ioe) {
110	if(Boolean.getBoolean("netbeans.debug.exceptions")) { // NOI18N
111	System.err.println("[WARNING] Cannot attach template iterator to "+fo.getName()+" group."); // NOI18N
112	ioe.printStackTrace();
113	}
114	}
115
116	// track changes when dataobject becomes template; listener is
117	// attached all the time (filesystem attributes could be deleted...)
118	addPropertyChangeListener(new PropertyChangeListener() {
119	public void propertyChange(PropertyChangeEvent evt) {
120	if (DataObject.PROP_TEMPLATE.equals(evt.getPropertyName())
121	&& new Boolean(true).equals(evt.getNewValue())) {
122	try {
123	if (TemplateWizard.getIterator(GroupShadow.this) == null)
124	TemplateWizard.setIterator(GroupShadow.this,
125	new GroupTemplateIterator());
126	}
127	catch (IOException ex) { // do nothing...
128	}
129	}
130	}
131	});
132	}	112	}
133		113
134		114
Lines 226-236 Link Here
226		206
227	/** Adds a {@link CompilerCookie compilation cookie}. */	207	/** Adds a {@link CompilerCookie compilation cookie}. */
228	public Node.Cookie getCookie (Class cookie) {	208	public Node.Cookie getCookie (Class cookie) {
229	if (CompilerCookie.class.isAssignableFrom (cookie)) {	209	if (cookie.isAssignableFrom(GroupShadowCompiler.class)) {
230	GroupShadowCompiler c = new GroupShadowCompiler (this, cookie);	210	return new GroupShadowCompiler (this, cookie);
231	return c;	211	} else if (cookie == TemplateWizard.Iterator.class) {
		212	return getGroupTemplateIterator();
		213	} else {
		214	return super.getCookie (cookie);
232	}	215	}
233	return super.getCookie (cookie);
234	}	216	}
235		217
236	/** Reads whole file to the List.	218	/** Reads whole file to the List.