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The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. It is designed to be used by people with a wide range of security experience and as such is ideal for developers and functional testers who are new to penetration testing. ZAP provides automated scanners as well as a set of tools that allow you to find security vulnerabilities manually.

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/*
 *
 * Paros and its related class files.
 *
 * Paros is an HTTP/HTTPS proxy for assessing web application security.
 * Copyright (C) 2003-2004 Chinotec Technologies Company
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Clarified Artistic License
 * as published by the Free Software Foundation.
 *
 * This program 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
 * Clarified Artistic License for more details.
 *
 * You should have received a copy of the Clarified Artistic License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
// ZAP: 2013/03/03 Issue 546: Remove all template Javadoc comments
// ZAP: 2014/03/23 Issue 503: Change the footer tabs to display the data
// with tables instead of lists
// ZAP: 2014/03/23 Issue 1106: HistoryList's mapping of history ID to list
// indexes not updated when history entry is deleted
// ZAP: 2019/06/01 Normalise line endings.
// ZAP: 2019/06/05 Normalise format/style.
package org.parosproxy.paros.model;

import java.util.Hashtable;
import java.util.Map.Entry;
import javax.swing.DefaultListModel;

/**
 * @deprecated (2.3.0) Replaced with use of {@link
 *     org.zaproxy.zap.view.table.HistoryReferencesTableModel}. It will be removed in a future
 *     release.
 */
@Deprecated
public class HistoryList extends DefaultListModel {

    private static final long serialVersionUID = 1L;
    // ZAP: Added hashtable to allow elements of the list to be accessed via historyid
    private Hashtable historyIdToIndex = new Hashtable<>();

    @Override
    public void addElement(final HistoryReference hRef) {
        int sizeBefore = super.size();
        super.addElement(hRef);
        if (sizeBefore == super.size() - 1) {
            historyIdToIndex.put(hRef.getHistoryId(), sizeBefore);
        } else {
            // Cope with multiple threads adding to the list
            historyIdToIndex.put(hRef.getHistoryId(), indexOf(hRef));
        }
    }

    public synchronized void notifyItemChanged(Object obj) {
        int i = indexOf(obj);
        if (i >= 0) {
            fireContentsChanged(this, i, i);
        }
    }

    public synchronized void notifyItemChanged(int historyId) {
        Integer i = historyIdToIndex.get(historyId);
        if (i != null) {
            fireContentsChanged(this, i, i);
        }
    }

    public HistoryReference getHistoryReference(int historyId) {
        Integer i = historyIdToIndex.get(historyId);
        if (i != null) {
            return this.elementAt(i);
        }
        return null;
    }

    @Override
    public void clear() {
        super.clear();
        historyIdToIndex.clear();
    }

    @Override
    public void removeAllElements() {
        super.removeAllElements();
        historyIdToIndex.clear();
    }

    @Override
    public HistoryReference remove(int index) {
        HistoryReference hRef = super.remove(index);
        historyIdToIndex.remove(hRef.getHistoryId());
        updateIndexes(index);
        return hRef;
    }

    @Override
    public boolean removeElement(Object obj) {
        if (super.removeElement(obj)) {
            int idx = historyIdToIndex.remove(((HistoryReference) obj).getHistoryId());
            updateIndexes(idx);
            return true;
        }
        return false;
    }

    @Override
    public void removeElementAt(int index) {
        remove(index);
    }

    // Note: implementation copied from base class (DefaultListModel) but changed to call the local
    // method removeElementAt(int)
    @Override
    public void removeRange(int fromIndex, int toIndex) {
        if (fromIndex > toIndex) {
            throw new IllegalArgumentException("fromIndex must be <= toIndex");
        }
        for (int i = toIndex; i >= fromIndex; i--) {
            removeElementAt(i);
        }
        fireIntervalRemoved(this, fromIndex, toIndex);
    }

    private void updateIndexes(int fromIndex) {
        for (Entry entry : historyIdToIndex.entrySet()) {
            if (entry.getValue() > fromIndex) {
                entry.setValue(entry.getValue() - 1);
            }
        }
    }
}