/*
 * Copyright (c) 2014, 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).
 *
 * 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,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.sun.tdk.jcov.instrument;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;

/**
 * Class to collect runtime annotations
 *
 * @author Dmitry Fazunenko
 */
public abstract class DataAnnotated extends DataAbstract {

    DataAnnotated(int rootId) {
        super(rootId);
    }
    private List<String> annotations;

    /**
     *
     * @param anno
     */
    public void addAnnotation(String anno) {
        if (annotations == null) {
            annotations = new ArrayList<String>();
        }
        annotations.add(anno);
    }

    protected boolean hasAnnotation(String anno) {
        return annotations != null && annotations.contains(anno);
    }

    public List<String> getAnnotations() {
        return annotations;
    }

    void writeObject(DataOutput out) throws IOException {
        if (annotations != null) {
            out.writeShort(annotations.size());
            for (String s : annotations) {
                out.writeUTF(s);
            }
        } else {
            out.writeShort(Short.MAX_VALUE);
        }
    }

    DataAnnotated(int rootID, DataInput in) throws IOException {
        super(rootID);
        int annoNum = in.readShort();
        if (annoNum != Short.MAX_VALUE) {
            annotations = new ArrayList<String>(annoNum);
            for (int i = 0; i < annoNum; ++i) {
                String s = in.readUTF();
                annotations.add(s);
            }
        } else {
            annotations = null;
        }
    }
}