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"nb-javac" is a patched version of OpenJDK "javac", i.e., the Java compiler. This has long been part of NetBeans, providing a highly tuned Java compiler specifically for the Java editor i.e., parsing and lexing for features such as syntax coloring, code completion.
/*
* Copyright (c) 2006, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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*
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package javax.annotation.processing;
/**
* Utility class for assembling {@link Completion} objects.
*
* @since 1.6
*/
public class Completions {
// No instances for you.
private Completions() {}
private static class SimpleCompletion implements Completion {
private String value;
private String message;
SimpleCompletion(String value, String message) {
if (value == null || message == null)
throw new NullPointerException("Null completion strings not accepted.");
this.value = value;
this.message = message;
}
public String getValue() {
return value;
}
public String getMessage() {
return message;
}
@Override
public String toString() {
return "[\"" + value + "\", \"" + message + "\"]";
}
// Default equals and hashCode are fine.
}
/**
* {@return a completion of the value and message}
*
* @param value the text of the completion
* @param message a message about the completion
*/
public static Completion of(String value, String message) {
return new SimpleCompletion(value, message);
}
/**
* {@return a completion of the value and an empty message}
*
* @param value the text of the completion
*/
public static Completion of(String value) {
return new SimpleCompletion(value, "");
}
}