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org.netbeans.modules.diff/1 1.52.0 42

Diff
Official

See: Description

Diff 
Package Description
org.netbeans.api.diff  
org.netbeans.spi.diff  

Support to everything related to creation and visualization of diffs. This library allows registrations of various diff providers and visualizers and provides programatic access to their functionality.

What is New (see all changes)?

Use Cases

Show a diff from action

From an action or wherever you like you can call this:

public void diff(final StreamSource local, final StreamSource remote){
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            try {
                DiffView view = Diff.getDefault().createDiff(local, remote);
                showDiff(view);
            } catch (IOException ex) {
                Logger.getLogger(ThisClass.class.getName()).throwing(ex);
            }
        }
    });
}
public void showDiff(final DiffView view){
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            //create our panel with our view
            //right now I am just going to use the diff component 
            // instead of a panel
            //create a topcomponent with our panel
            DiffTopComponent tc = new DiffTopComponent(view);
            tc.setName("MY_DIFF");
            tc.setDisplayName("Some display name");
            tc.open();
            tc.requestActive();
        }
    });
}
Embeded into TopComponent

Here is a top component to display it:

public class DiffTopComponent extends TopComponent {
    /** Creates a new instance of DiffTopComponent */
    public DiffTopComponent(Component diffPanel) {
        setLayout(new BorderLayout());
        add(diffPanel, BorderLayout.CENTER);
        getAccessibleContext().setAccessibleName(
            NbBundle.getMessage(DiffTopComponent.class, 
            "ACSN_Diff_Top_Component")); // NOI18N
        
        getAccessibleContext().setAccessibleDescription(
            NbBundle.getMessage(DiffTopComponent.class, 
            "ACSD_Diff_Top_Component")); // NOI18N
    }
   
    public DiffTopComponent(DiffView view) {
        this(view.getComponent());
    }
    public int getPersistenceType(){
        return TopComponent.PERSISTENCE_NEVER;
    }
    protected String preferredID(){
        return "DiffTopComponent";    //NOI18N
    }
    public HelpCtx getHelpCtx() {
        return new HelpCtx(getClass());
    }
}

Exported Interfaces

This table lists all of the module exported APIs with defined stability classifications. It is generated based on answers to questions about the architecture of the module. Read them all...
Group of java interfaces
Interface NameIn/OutStabilitySpecified in What Document?
DiffAPIExportedOfficial
DiffImplementationAPIExportedFriend

Group of systemproperty interfaces
Interface NameIn/OutStabilitySpecified in What Document?

Implementation Details

Where are the sources for the module?

The sources for the module are in the NetBeans Mercurial repositories.

What do other modules need to do to declare a dependency on this one, in addition to or instead of a plain module dependency?
Nothing.

Read more about the implementation in the answers to architecture questions.

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