/*

 * 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).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

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 *

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package javax.tools;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

/**

 * Provides an easy way to collect diagnostics in a list.

 *

 * @param <S> the type of source objects used by diagnostics received

 * by this object

 *

 * @author Peter von der Ahé

 * @since 1.6

 */

public final class DiagnosticCollector<S> implements DiagnosticListener<S> {

    public void report(Diagnostic<? extends S> diagnostic) {

        diagnostic.getClass(); // null check

        diagnostics.add(diagnostic);

    }

    /**

     * Gets a list view of diagnostics collected by this object.

     *

     * @return a list view of diagnostics

     */

    public List<Diagnostic<? extends S>> getDiagnostics() {

        return Collections.unmodifiableList(diagnostics);

    }

}