Java XML Node Name getTifDimension(Node node, String nodeName)

Description

get Tif Dimension

License

BSD License

Declaration

private static int getTifDimension(Node node, String nodeName) 

Method Source Code

//package com.java2s;
/*L// ww  w  .  java2  s .  c o m
 * Copyright SAIC
 *
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.com/caimage/LICENSE.txt for details.
 */

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.stream.ImageInputStream;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public class Main {
    private static int getTifDimension(InputStream stream, String dimension) throws IOException {

        int dim = -1;
        ImageInputStream iis = ImageIO.createImageInputStream(stream);
        Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);

        if (readers.hasNext()) {

            // pick the first available ImageReader
            ImageReader reader = readers.next();

            // attach source to the reader
            reader.setInput(iis, true);

            // read metadata of first image
            IIOMetadata metadata = reader.getImageMetadata(0);

            String[] names = metadata.getMetadataFormatNames();
            int length = names.length;
            for (int i = 0; i < length; i++) {
                if (names[i].indexOf("_tiff_") >= 0) {
                    dim = getTifDimension(metadata.getAsTree(names[i]), dimension);
                    if (dim > -1)
                        break;
                }
            }
        }
        return dim;
    }

    private static int getTifDimension(File file, String dimension) throws IOException {

        int dim = -1;
        ImageInputStream iis = ImageIO.createImageInputStream(file);
        Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);

        if (readers.hasNext()) {

            // pick the first available ImageReader
            ImageReader reader = readers.next();

            // attach source to the reader
            reader.setInput(iis, true);

            // read metadata of first image
            IIOMetadata metadata = reader.getImageMetadata(0);

            String[] names = metadata.getMetadataFormatNames();
            int length = names.length;
            for (int i = 0; i < length; i++) {
                if (names[i].indexOf("_tiff_") >= 0) {
                    dim = getTifDimension(metadata.getAsTree(names[i]), dimension);
                    if (dim > -1)
                        break;
                }
            }
        }
        return dim;
    }

    private static int getTifDimension(Node node, String nodeName) {
        int dim = -1;
        if (node.getNodeName().equalsIgnoreCase("tiffifd")) {
            Node child = node.getFirstChild();
            while (child != null) {
                if (child.getNodeName().equalsIgnoreCase("tifffield")) {
                    NamedNodeMap map = child.getAttributes();
                    if (map.getNamedItem("name") != null
                            && map.getNamedItem("name").getNodeValue().equalsIgnoreCase(nodeName)) {
                        Node widthChild = child.getFirstChild();
                        if (widthChild != null) {
                            widthChild = widthChild.getFirstChild();
                            map = widthChild.getAttributes();
                            if (map.getNamedItem("value") != null) {
                                dim = Integer.parseInt(map.getNamedItem("value").getNodeValue());
                                break;
                            }
                        }
                    } else {
                        child = child.getNextSibling();
                    }
                }
            }

        } else {
            Node child = node.getFirstChild();
            if (child != null)
                dim = getTifDimension(child, nodeName);
            else {
                child = node.getNextSibling();
                if (child != null)
                    dim = getTifDimension(child, nodeName);
            }
        }
        return dim;
    }
}

Related

1. getSubNodeValue(Node node, String nodeName, String subNodeName)
2. getTagName(Node labelNode)
3. getTagName(Node node)
4. getTagName(Node tag, boolean useJsfcTags)
5. getTagNameWithoutPrefix(Node node)
6. getUnqualifiedNodeName(org.w3c.dom.Node node)
7. isMatchNodeName(Node node, String node_name)