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/*
 * Copyright (c) 2013, 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.javafx.tk;

import java.security.AccessControlContext;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javafx.scene.image.Image;
import javafx.scene.input.DataFormat;
import javafx.scene.input.TransferMode;
import javafx.util.Pair;

final class LocalClipboard implements TKClipboard {
    private final Map values;

    public LocalClipboard() {
        values = new HashMap();
    }

    @Override
    public void setSecurityContext(final AccessControlContext ctx) {
        // ctx not needed
    }

    @Override
    public Set getContentTypes() {
        return Collections.unmodifiableSet(
                   new HashSet(values.keySet()));
    }

    @Override
    public boolean putContent(final Pair... content) {
        for (final Pair pair: content) {
            if (pair.getKey() == null) {
                throw new NullPointerException(
                        "Clipboard.putContent: null data format");
            }
            if (pair.getValue() == null) {
                throw new NullPointerException(
                        "Clipboard.putContent: null data");
            }
        }

        // all OK, replace clipboard content
        values.clear();
        for (final Pair pair: content) {
            values.put(pair.getKey(), pair.getValue());
        }

        return true;
    }

    @Override
    public Object getContent(final DataFormat dataFormat) {
        return values.get(dataFormat);
    }

    @Override
    public boolean hasContent(final DataFormat dataFormat) {
        return values.containsKey(dataFormat);
    }

    @Override
    public Set getTransferModes() {
        throw new IllegalStateException();
    }

    @Override
    public void setDragView(final Image image) {
        throw new IllegalStateException();
    }

    @Override
    public void setDragViewOffsetX(final double offsetX) {
        throw new IllegalStateException();
    }

    @Override
    public void setDragViewOffsetY(final double offsetY) {
        throw new IllegalStateException();
    }

    @Override
    public Image getDragView() {
        throw new IllegalStateException();
    }

    @Override
    public double getDragViewOffsetX() {
        throw new IllegalStateException();
    }

    @Override
    public double getDragViewOffsetY() {
        throw new IllegalStateException();
    }
}




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