/*

 * Copyright (c) 2003, 2004, 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

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package com.sun.imageio.plugins.wbmp;

import java.io.UnsupportedEncodingException;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import javax.imageio.ImageTypeSpecifier;

import javax.imageio.metadata.IIOMetadata;

import javax.imageio.metadata.IIOMetadataNode;

import javax.imageio.metadata.IIOMetadataFormat;

import javax.imageio.metadata.IIOMetadataFormatImpl;

import org.w3c.dom.Node;

import com.sun.imageio.plugins.common.I18N;

import com.sun.imageio.plugins.common.ImageUtil;

public class WBMPMetadata extends IIOMetadata {

    static final String nativeMetadataFormatName =

        "javax_imageio_wbmp_1.0";

    public int wbmpType;

    public int width;

    public int height;

    public WBMPMetadata() {

        super(true,

              nativeMetadataFormatName,

              "com.sun.imageio.plugins.wbmp.WBMPMetadataFormat",

              null, null);

    }

    public boolean isReadOnly() {

        return true;

    }

    public Node getAsTree(String formatName) {

        if (formatName.equals(nativeMetadataFormatName)) {

            return getNativeTree();

        } else if (formatName.equals

                   (IIOMetadataFormatImpl.standardMetadataFormatName)) {

            return getStandardTree();

        } else {

            throw new IllegalArgumentException(I18N.getString("WBMPMetadata0"));

        }

    }

    private Node getNativeTree() {

        IIOMetadataNode root =

            new IIOMetadataNode(nativeMetadataFormatName);

        addChildNode(root, "WBMPType", new Integer(wbmpType));

        addChildNode(root, "Width", new Integer(width));

        addChildNode(root, "Height", new Integer(height));

        return root;

    }

    public void setFromTree(String formatName, Node root) {

        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));

    }

    public void mergeTree(String formatName, Node root) {

        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));

    }

    public void reset() {

        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));

    }

    private IIOMetadataNode addChildNode(IIOMetadataNode root,

                                         String name,

                                         Object object) {

        IIOMetadataNode child = new IIOMetadataNode(name);

        if (object != null) {

            child.setUserObject(object);

            child.setNodeValue(ImageUtil.convertObjectToString(object));

        }

        root.appendChild(child);

        return child;

    }

    protected IIOMetadataNode getStandardChromaNode() {

        IIOMetadataNode node = new IIOMetadataNode("Chroma");

        IIOMetadataNode subNode = new IIOMetadataNode("BlackIsZero");

        subNode.setAttribute("value", "TRUE");

        node.appendChild(subNode);

        return node;

    }

    protected IIOMetadataNode getStandardDimensionNode() {

        IIOMetadataNode dimension_node = new IIOMetadataNode("Dimension");

        IIOMetadataNode node = null; // scratch node

        // PixelAspectRatio not in image

        node = new IIOMetadataNode("ImageOrientation");

        node.setAttribute("value", "Normal");

        dimension_node.appendChild(node);

        return dimension_node;

    }

}