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= DevFaqCustomIOProvider
:jbake-type: wiki
:jbake-tags: wiki, devfaq, needsreview
:jbake-status: published
:keywords: Apache NetBeans wiki DevFaqCustomIOProvider
:description: Apache NetBeans wiki DevFaqCustomIOProvider
:toc: left
:toc-title:
:syntax: true

== How do I implement a custom IOProvider?

_Note: You will only do this if you are writing a replacement for the NetBeans output window, which is a fairly unusual activity._

You need to extend `IOProvider` and override/implement following methods:

[source,java]
----

import javax.swing.Action;
import org.openide.windows.IOContainer;
import org.openide.windows.IOProvider;
import org.openide.windows.InputOutput;
import org.openide.windows.OutputWriter;

// registration, you can change default instance returned by IOProvider.getDefault() by adjusting position
@org.openide.util.lookup.ServiceProvider(service=org.openide.windows.IOProvider.class, position=200)
public final class MyIOProvider extends IOProvider {

    // unique name of your provider
    private static final String NAME = "My IO provider"; // NOI18N

    public OutputWriter getStdOut() {
        // implement
    }

    public InputOutput getIO(String name, boolean newIO) {
        // implement
    }
        
    @Override
    public InputOutput getIO(String name, Action[] toolbarActions) {
        // override
    }

    @Override
    public InputOutput getIO(String name, Action[] additionalActions, IOContainer ioContainer) {
        // override
    }

    @Override
    public String getName() {
        return NAME;
    }
}
----

Add "OpenIDE-Module-Provides: org.openide.windows.IOProvider" to your module manifest (manifest.mf file) to inform that your module provides IOProvider service.
Then instance of your provider could be obtained by `IOProvider.get("My IO provider")`
<hr/>
Applies to: NetBeans 6.7 or higher

=== Apache Migration Information

The content in this page was kindly donated by Oracle Corp. to the
Apache Software Foundation.

This page was exported from link:http://wiki.netbeans.org/DevFaqCustomIOProvider[http://wiki.netbeans.org/DevFaqCustomIOProvider] , 
that was last modified by NetBeans user Jhavlin 
on 2011-12-12T13:12:12Z.


*NOTE:* This document was automatically converted to the AsciiDoc format on 2018-02-07, and needs to be reviewed.