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edu.harvard.hul.ois.jhove.viewer.RepTreeRoot Maven / Gradle / Ivy

/**********************************************************************
 * Jhove - JSTOR/Harvard Object Validation Environment
 * Copyright 2003-2005 by JSTOR and the President and Fellows of Harvard College
 **********************************************************************/

package edu.harvard.hul.ois.jhove.viewer;

import java.text.DateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.swing.tree.DefaultMutableTreeNode;

import edu.harvard.hul.ois.jhove.AESAudioMetadata;
import edu.harvard.hul.ois.jhove.Checksum;
import edu.harvard.hul.ois.jhove.ErrorMessage;
import edu.harvard.hul.ois.jhove.InfoMessage;
import edu.harvard.hul.ois.jhove.JhoveBase;
import edu.harvard.hul.ois.jhove.Message;
import edu.harvard.hul.ois.jhove.Module;
import edu.harvard.hul.ois.jhove.NisoImageMetadata;
import edu.harvard.hul.ois.jhove.Property;
import edu.harvard.hul.ois.jhove.PropertyArity;
import edu.harvard.hul.ois.jhove.PropertyType;
import edu.harvard.hul.ois.jhove.Rational;
import edu.harvard.hul.ois.jhove.RepInfo;
import edu.harvard.hul.ois.jhove.TextMDMetadata;

/**
 * This subclass of DefaultMutableTreeNode simply adds a method for constructing
 * the tree. All nodes in the tree except for the root will be plain
 * DefaultMutablereeNodes.
 */
public class RepTreeRoot extends DefaultMutableTreeNode {

	/**
	 * Serialisation identifier
	 */
	private static final long serialVersionUID = -4409152022584715925L;
	private RepInfo _info;
	private JhoveBase _base;
	private boolean _rawOutput;
	private DateFormat _dateFmt;

	/* Sample rate. */
	private double _sampleRate;

	/**
	 * Constructor.
	 *
	 * @param info
	 *            The RepInfo object whose contents are to be displayed.
	 * @param base
	 *            The JHOVE base on which we're operating.
	 */
	public RepTreeRoot(RepInfo info, JhoveBase base) {
		super(info.getUri());
		_info = info;
		_base = base;
		_rawOutput = _base.getShowRawFlag();

		// Set the DateFormat for displaying the module date.
		_dateFmt = DateFormat.getDateInstance();

		// Snarf everything up into the tree.

		snarfRepInfo();
	}

	/**
	 * Constructs a DefaultMutableTreeNode representing a property
	 */
	private DefaultMutableTreeNode propToNode(Property pProp) {
		PropertyArity arity = pProp.getArity();
		PropertyType typ = pProp.getType();
		Object pValue = pProp.getValue();
		if (arity == PropertyArity.SCALAR) {
			if (null == typ) {
				// Simple types: just use name plus string value.
				DefaultMutableTreeNode val = new DefaultMutableTreeNode(
						pProp.getName() + ": " + pValue.toString());
				return val;
			} else {
				TextMDMetadata tData;
				DefaultMutableTreeNode val;
				switch (typ) {
				case NISOIMAGEMETADATA:
					// NISO Image metadata is a world of its own.
					NisoImageMetadata nData = (NisoImageMetadata) pValue;
					return nisoToNode(nData);
				case AESAUDIOMETADATA:
					// AES audio metadata is another world.
					AESAudioMetadata aData = (AESAudioMetadata) pValue;
					return aesToNode(aData);
				case TEXTMDMETADATA:
					// textMD metadata is another world.
					tData = (TextMDMetadata) pValue;
					return textMDToNode(tData);
				case PROPERTY:

					if ("TextMDMetadata".equals(pProp.getName())) {
						tData = (TextMDMetadata) pValue;
						return textMDToNode(tData);
					}
					// A scalar property of type Property -- seems
					// pointless, but we handle it.
					val = new DefaultMutableTreeNode(pProp.getName());
					val.add(propToNode((Property) pValue));
					return val;

				default:

					// Simple types: just use name plus string value.
					val = new DefaultMutableTreeNode(pProp.getName() + ": "
							+ pValue.toString());
					return val;

				}
			}
		}
		// Compound properties. The text of the node is the
		// property name.
		DefaultMutableTreeNode val = new DefaultMutableTreeNode(pProp.getName());
		if (null != arity)
			switch (arity) {
			case ARRAY:
				addArrayMembers(val, pProp);
				break;
			case LIST:
				addListMembers(val, pProp);
				break;
			case MAP:
				addMapMembers(val, pProp);
				break;
			case SET:
				addSetMembers(val, pProp);
				break;
			default:
				break;
			}
		return val;
	}

	/**
	 * Find the index of an object in its parent. Understands the Jhove property
	 * structure.
	 */
	public int getIndexOfChild(Object parent, Object child) {
		Property pProp = (Property) parent;
		PropertyArity arity = pProp.getArity();
		// For Lists, Maps, and Sets we construct an Iterator.
		Iterator iter = null;
		if (arity == PropertyArity.SET || arity == PropertyArity.LIST
				|| arity == PropertyArity.MAP) {
			if (null == arity) {
				List list = (List) pProp.getValue();
				iter = list.iterator();
			} else
				switch (arity) {
				case SET:
					Set set = (Set) pProp.getValue();
					iter = set.iterator();
					break;
				case MAP:
					Map map = (Map) pProp.getValue();
					iter = map.values().iterator();
					break;
				default:
					List list = (List) pProp.getValue();
					iter = list.iterator();
					break;
				}
			for (int i = 0;; i++) {
				if (!iter.hasNext()) {
					return 0; // Should never happen
				} else if (iter.next() == child) {
					return i;
				}
			}
		}
		// OK, that was the easy one. Now for that damn array arity.
		// In the case of non-object types, we can't actually tell which
		// position matches the object, so we return 0 and hope it doesn't
		// mess things up too much.
		PropertyType propType = pProp.getType();
		java.util.Date[] dateArray = null;
		Property[] propArray = null;
		Rational[] rationalArray = null;
		Object[] objArray = null;
		int n = 0;

		if (null == propType) {
			return 0; // non-object array type
		} else
			// if (child instanceof LeafHolder) {
			// return ((LeafHolder) child).getPosition ();
			// }
			// else
			switch (propType) {
			case DATE:
				dateArray = (java.util.Date[]) pProp.getValue();
				n = dateArray.length;
				break;
			case OBJECT:
				objArray = (Object[]) pProp.getValue();
				n = objArray.length;
				break;
			case RATIONAL:
				rationalArray = (Rational[]) pProp.getValue();
				n = rationalArray.length;
				break;
			case PROPERTY:
				propArray = (Property[]) pProp.getValue();
				n = propArray.length;
				break;
			default:
				return 0; // non-object array type
			}

		for (int i = 0; i < n; i++) {
			Object elem = null;
			switch (propType) {
			case DATE:
				elem = dateArray[i];
				break;
			case OBJECT:
				elem = objArray[i];
				break;
			case RATIONAL:
				elem = rationalArray[i];
				break;
			case PROPERTY:
				elem = propArray[i];
				break;
			default:
				break;
			}
			if (elem == child) {
				return i;
			}
		}
		return 0; // somehow fell through
	}

	private void snarfRepInfo() {
		// This node has two children, for the module and the RepInfo

		Module module = _info.getModule();
		if (module != null) {
			// Create a subnode for the module, which has three
			// leaf children.
			DefaultMutableTreeNode moduleNode = new DefaultMutableTreeNode(
					"Module");
			moduleNode.add(new DefaultMutableTreeNode(module.getName(), false));
			moduleNode.add(new DefaultMutableTreeNode("Release: "
					+ module.getRelease(), false));
			moduleNode.add(new DefaultMutableTreeNode("Date: "
					+ _dateFmt.format(module.getDate()), false));
			add(moduleNode);
		}

		DefaultMutableTreeNode infoNode = new DefaultMutableTreeNode("RepInfo");
		infoNode.add(new DefaultMutableTreeNode("URI: " + _info.getUri(), false));
		Date dt = _info.getCreated();
		if (dt != null) {
			infoNode.add(new DefaultMutableTreeNode(
					"Created: " + dt.toString(), false));
		}
		dt = _info.getLastModified();
		if (dt != null) {
			infoNode.add(new DefaultMutableTreeNode("LastModified: "
					+ dt.toString(), false));
		}
		long sz = _info.getSize();
		if (sz != -1) {
			infoNode.add(new DefaultMutableTreeNode("Size: "
					+ Long.toString(sz), false));
		}
		String s = _info.getFormat();
		if (s != null) {
			infoNode.add(new DefaultMutableTreeNode("Format: " + s, false));
		}
		s = _info.getVersion();
		if (s != null) {
			infoNode.add(new DefaultMutableTreeNode("Version: " + s, false));
		}
		String wfStr;
		switch (_info.getWellFormed()) {
		case RepInfo.TRUE:
			wfStr = "Well-Formed";
			break;
		case RepInfo.FALSE:
			wfStr = "Not well-formed";
			break;
		default:
			wfStr = "Unknown";
			break;
		}
		if (_info.getWellFormed() == RepInfo.TRUE) {
			switch (_info.getValid()) {
			case RepInfo.TRUE:
				wfStr += " and valid";
				break;

			case RepInfo.FALSE:
				wfStr += ", but not valid";
				break;

			// case UNDETERMINED: add nothing
			}
		}
		infoNode.add(new DefaultMutableTreeNode("Status: " + wfStr, false));

		// Report modules that said their signatures match
		List sigList = _info.getSigMatch();
		if (sigList != null && sigList.size() > 0) {
			DefaultMutableTreeNode sigNode = new DefaultMutableTreeNode(
					"SignatureMatches");
			infoNode.add(sigNode);
			for (int i = 0; i < sigList.size(); i++) {
				DefaultMutableTreeNode sNode = new DefaultMutableTreeNode(
						sigList.get(i));
				sigNode.add(sNode);
			}
		}
		// Compile a list of messages and offsets into a subtree
		List messageList = _info.getMessage();
		if (messageList != null && messageList.size() > 0) {
			DefaultMutableTreeNode msgNode = new DefaultMutableTreeNode(
					"Messages");
			infoNode.add(msgNode);
			int i;
			for (i = 0; i < messageList.size(); i++) {
				Message msg = messageList.get(i);
				String prefix;
				if (msg instanceof InfoMessage) {
					prefix = "InfoMessage: ";
				} else if (msg instanceof ErrorMessage) {
					prefix = "ErrorMessage: ";
				} else {
					prefix = "Message: ";
				}
				DefaultMutableTreeNode mNode = new DefaultMutableTreeNode(
						prefix + msg.getMessage());

				if (msg.getId() != null && !msg.getId().isEmpty()) {
					mNode.add(new DefaultMutableTreeNode("ID: "
							+ msg.getId()));
				}

				String subMessage = msg.getSubMessage();
				if (subMessage != null) {
					mNode.add(new DefaultMutableTreeNode("SubMessage: "
							+ subMessage));
				}
				long offset = -1;
				if (msg instanceof ErrorMessage) {
					offset = ((ErrorMessage) msg).getOffset();
				}
				//
				// If the offset is positive, we give the message node
				// a child with the offset value.
				if (offset >= 0) {
					mNode.add(new DefaultMutableTreeNode("Offset: "
							+ Long.toString(offset)));
				}
				msgNode.add(mNode);
			}
		}

		s = _info.getMimeType();
		if (s != null) {
			infoNode.add(new DefaultMutableTreeNode("MimeType: " + s, false));
		}

		// Compile a list of profile strings into a string list
		List profileList = _info.getProfile();
		if (profileList != null && profileList.size() > 0) {
			DefaultMutableTreeNode profNode = new DefaultMutableTreeNode(
					"Profiles");
			infoNode.add(profNode);
			int i;
			for (i = 0; i < profileList.size(); i++) {
				profNode.add(new DefaultMutableTreeNode(profileList.get(i),
						false));
			}
		}

		// Here we come to the property map. We have to walk
		// through all the properties recursively, turning
		// each into a leaf or subtree.
		Map map = _info.getProperty();
		if (map != null) {
			Iterator iter = map.keySet().iterator();
			while (iter.hasNext()) {
				String key = iter.next();
				Property property = _info.getProperty(key);
				infoNode.add(propToNode(property));
			}
		}

		List cksumList = _info.getChecksum();
		if (cksumList != null && !cksumList.isEmpty()) {
			DefaultMutableTreeNode ckNode = new DefaultMutableTreeNode(
					"Checksums");
			infoNode.add(ckNode);
			// List cPropList = new LinkedList ();
			for (Checksum cksum : cksumList) {
				DefaultMutableTreeNode csNode = new DefaultMutableTreeNode(
						"Checksum");
				ckNode.add(csNode);
				csNode.add(new DefaultMutableTreeNode("Type:"
						+ cksum.getType().toString(), false));
				csNode.add(new DefaultMutableTreeNode("Checksum: "
						+ cksum.getValue(), false));
			}
		}

		s = _info.getNote();
		if (s != null) {
			infoNode.add(new DefaultMutableTreeNode("Note: " + s, false));
		}
		add(infoNode);
	}

	/*
	 * Add the members of an array property to a node. The property must be of
	 * arity ARRAY.
	 */
	private void addArrayMembers(DefaultMutableTreeNode node, Property p) {
		Object pVal = p.getValue();
		PropertyType typ = p.getType();
		if (null != typ)
			switch (typ) {
			case INTEGER: {
				if (pVal instanceof int[]) {
					Integer[] vals = Arrays.stream((int[])pVal) // IntStream
							.boxed()				// Stream
							.toArray(Integer[]::new);
					addToNode(node, vals);
				} else {
					addToNode(node, (Integer[]) pVal);
				}
				break;
			}
			case LONG: {
				if (pVal instanceof long[]) {
					Long[] vals = Arrays.stream((long[])pVal) // IntStream
							.boxed()				// Stream
							.toArray(Long[]::new);
					addToNode(node, vals);
				} else {
					addToNode(node, (Long[]) pVal);
				}
				break;
			}
			case BOOLEAN: {
				addToNode(node, (Boolean[]) pVal);
				break;
			}
			case CHARACTER: {
				addToNode(node, (Character[]) pVal);
				break;
			}
			case DOUBLE: {
				addToNode(node, (Double[]) pVal);
				break;
			}
			case FLOAT: {
				addToNode(node, (Float[]) pVal);
				break;
			}
			case SHORT: {
				addToNode(node, (Short[]) pVal);
				break;
			}
			case BYTE: {
				addToNode(node, (Byte[]) pVal);
				break;
			}
			case STRING: {
				addToNode(node, (String[]) pVal);
				break;
			}
			case RATIONAL: {
				addToNode(node, (Rational[]) pVal);
				break;
			}
			case PROPERTY: {
				addToNode(node, (Property[]) pVal);
				break;
			}
			case NISOIMAGEMETADATA: {
				addToNode(node, (NisoImageMetadata[]) pVal);
				break;
			}
			case OBJECT: {
				addToNode(node, (Object[]) pVal);
				break;
			}
			default:
				break;
			}
	}

	/*
	 * Add the members of a list property to a node. The property must be of
	 * arity LIST.
	 */
	private void addListMembers(DefaultMutableTreeNode node, Property p) {
		List l = (List) p.getValue();
		PropertyType ptyp = p.getType();
		boolean canHaveChildren = Boolean.FALSE;
		l.forEach(item -> node.add(getDefaultMutableTreeNode(ptyp, item,
				canHaveChildren)));
	}

	/*
	 * Add the members of a set property to a node. The property must be of
	 * arity SET.
	 */
	private void addSetMembers(DefaultMutableTreeNode node, Property p) {
		Set s = (Set) p.getValue();
		PropertyType ptyp = p.getType();
		boolean canHaveChildren = Boolean.FALSE;
		Iterator iter = s.iterator();
		while (iter.hasNext()) {
			Object item = iter.next();
			node.add(getDefaultMutableTreeNode(ptyp, item, canHaveChildren));
		}
	}

	/*
	 * Add the members of a map property to a node. The property must be of
	 * arity MAP.
	 */
	private void addMapMembers(DefaultMutableTreeNode node, Property p) {
		Map m = (Map) p.getValue();
		PropertyType ptyp = p.getType();
		Boolean canHaveChildren = Boolean.TRUE;
		// Iterator iter = m.values ().iterator ();
		Iterator iter = m.keySet().iterator();
		while (iter.hasNext()) {
			DefaultMutableTreeNode itemNode;
			String key = (String) iter.next();
			Object item = m.get(key);
			itemNode = getDefaultMutableTreeNode(ptyp, item, canHaveChildren);
			node.add(itemNode);

			// Add a subnode for the key
			itemNode.setAllowsChildren(true);
			itemNode.add(new DefaultMutableTreeNode("Key: " + key, false));
		}
	}

	/* Function for turning the AES metadata into a subtree. */
	private DefaultMutableTreeNode aesToNode(AESAudioMetadata aes) {
		_sampleRate = aes.getSampleRate();

		DefaultMutableTreeNode val = new DefaultMutableTreeNode(
				"AESAudioMetadata", true);
		String s = aes.getAnalogDigitalFlag();
		if (s != null) {
			val.add(new DefaultMutableTreeNode("AnalogDigitalFlag: " + s, false));
			// The "false" argument signifies this will have no subnodes
		}
		s = aes.getSchemaVersion();
		if (s != null) {
			val.add(new DefaultMutableTreeNode("SchemaVersion: " + s, false));
		}
		s = aes.getFormat();
		if (s != null) {
			DefaultMutableTreeNode fmt = new DefaultMutableTreeNode("Format: "
					+ s, true);
			val.add(fmt);
			String v = aes.getSpecificationVersion();
			if (v != null) {
				fmt.add(new DefaultMutableTreeNode(
						"SpecificationVersion: " + v, false));
			}
		}
		s = aes.getAppSpecificData();
		if (s != null) {
			val.add(new DefaultMutableTreeNode("AppSpecificData: " + s, false));
		}
		s = aes.getAudioDataEncoding();
		if (s != null) {
			val.add(new DefaultMutableTreeNode("AudioDataEncoding: " + s, false));
		}
		int in = aes.getByteOrder();
		if (in != AESAudioMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("ByteOrder: "
					+ (in == AESAudioMetadata.BIG_ENDIAN ? "BIG_ENDIAN"
							: "LITTLE_ENDIAN")));
		}
		long lin = aes.getFirstSampleOffset();
		if (lin != AESAudioMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("FirstSampleOffset: "
					+ Long.toString(lin)));
		}
		String[] use = aes.getUse();
		if (use != null) {
			DefaultMutableTreeNode u = new DefaultMutableTreeNode("Use", true);
			val.add(u);
			u.add(new DefaultMutableTreeNode("UseType: " + use[0], false));
			u.add(new DefaultMutableTreeNode("OtherType: " + use[1], false));
		}
		s = aes.getPrimaryIdentifier();
		if (s != null) {
			String t = aes.getPrimaryIdentifierType();
			DefaultMutableTreeNode pi = new DefaultMutableTreeNode(
					"PrimaryIdentifier: " + s, true);
			val.add(pi);
			if (t != null) {
				pi.add(new DefaultMutableTreeNode("IdentifierType: " + t));
			}
		}
		// Add the face information, which is mostly filler.
		// In the general case, it can contain multiple Faces;
		// this isn't supported yet.
		List facelist = aes.getFaceList();
		if (!facelist.isEmpty()) {
			AESAudioMetadata.Face f = facelist.get(0);

			DefaultMutableTreeNode face = new DefaultMutableTreeNode("Face",
					true);
			DefaultMutableTreeNode timeline = new DefaultMutableTreeNode(
					"TimeLine", true);
			AESAudioMetadata.TimeDesc startTime = f.getStartTime();
			if (startTime != null) {
				addAESTimeRange(timeline, startTime, f.getDuration());
			}
			face.add(timeline);

			// For the present, assume just one face region
			AESAudioMetadata.FaceRegion facergn = f.getFaceRegion(0);
			DefaultMutableTreeNode region = new DefaultMutableTreeNode(
					"Region", true);
			timeline = new DefaultMutableTreeNode("TimeRange", true);
			addAESTimeRange(timeline, facergn.getStartTime(),
					facergn.getDuration());
			region.add(timeline);
			int nchan = aes.getNumChannels();
			if (nchan != AESAudioMetadata.NULL) {
				String[] locs = aes.getMapLocations();
				region.add(new DefaultMutableTreeNode("NumChannels: "
						+ Integer.toString(nchan), false));
				for (String loc : locs) {
					// write a stream element for each channel
					DefaultMutableTreeNode stream = new DefaultMutableTreeNode(
							"Stream", true);
					region.add(stream);
					stream.add(new DefaultMutableTreeNode("ChannelAssignment: "
							+ loc, false));
				}
			}
			face.add(region);
			val.add(face);
		}
		// In the general case, a FormatList can contain multiple
		// FormatRegions. This doesn't happen with any of the current
		// modules; if it's needed in the future, simply set up an
		// iteration loop on formatList.
		List flist = aes.getFormatList();
		if (!flist.isEmpty()) {
			AESAudioMetadata.FormatRegion rgn = flist.get(0);
			int bitDepth = rgn.getBitDepth();
			double sampleRate = rgn.getSampleRate();
			int wordSize = rgn.getWordSize();
			String[] bitRed = rgn.getBitrateReduction();
			// Build a FormatRegion subtree if at least one piece of data
			// that goes into it is present.
			if (bitDepth != AESAudioMetadata.NULL
					|| sampleRate != AESAudioMetadata.NILL
					|| wordSize != AESAudioMetadata.NULL) {
				DefaultMutableTreeNode formatList = new DefaultMutableTreeNode(
						"FormatList", true);
				DefaultMutableTreeNode formatRegion = new DefaultMutableTreeNode(
						"FormatRegion", true);
				if (bitDepth != AESAudioMetadata.NULL) {
					formatRegion.add(new DefaultMutableTreeNode("BitDepth: "
							+ Integer.toString(bitDepth), false));
				}
				if (sampleRate != AESAudioMetadata.NILL) {
					formatRegion.add(new DefaultMutableTreeNode("SampleRate: "
							+ Double.toString(sampleRate), false));
				}
				if (wordSize != AESAudioMetadata.NULL) {
					formatRegion.add(new DefaultMutableTreeNode("WordSize: "
							+ Integer.toString(bitDepth), false));
				}
				if (bitRed != null) {
					DefaultMutableTreeNode br = new DefaultMutableTreeNode(
							"BitrateReduction", true);
					br.add(new DefaultMutableTreeNode(
							"codecName: " + bitRed[0], false));
					br.add(new DefaultMutableTreeNode("codecNameVersion: "
							+ bitRed[1], false));
					br.add(new DefaultMutableTreeNode(
							"codecCreatorApplication: " + bitRed[2], false));
					br.add(new DefaultMutableTreeNode(
							"codecCreatorApplicationVersion: " + bitRed[3],
							false));
					br.add(new DefaultMutableTreeNode("codecQuality: "
							+ bitRed[4], false));
					br.add(new DefaultMutableTreeNode("dataRate: " + bitRed[5],
							false));
					br.add(new DefaultMutableTreeNode("dataRateMode: "
							+ bitRed[6], false));
					formatRegion.add(br);
				}
				formatList.add(formatRegion);
				val.add(formatList);
			}
		}

		return val;
	}

	private void addAESTimeRange(DefaultMutableTreeNode parent,
			AESAudioMetadata.TimeDesc start, AESAudioMetadata.TimeDesc duration) {
		// Put the start time in
		DefaultMutableTreeNode node = new DefaultMutableTreeNode("Start", true);
		// Put in boilerplate to match the AES schema
		node.add(new DefaultMutableTreeNode("FrameCount: 30", false));
		node.add(new DefaultMutableTreeNode("TimeBase: 1000"));
		node.add(new DefaultMutableTreeNode("VideoField: FIELD_1"));
		node.add(new DefaultMutableTreeNode(
				"CountingMode: NTSC_NON_DROP_FRAME", false));
		node.add(new DefaultMutableTreeNode("Hours: " + start.getHours(), false));
		node.add(new DefaultMutableTreeNode("Minutes: " + start.getMinutes(),
				false));
		node.add(new DefaultMutableTreeNode("Seconds: " + start.getSeconds(),
				false));
		node.add(new DefaultMutableTreeNode("Frames: " + start.getFrames(),
				false));

		// Do samples a bit more elaborately than is really necessary,
		// to maintain parallelism with the xml schema.
		DefaultMutableTreeNode snode = new DefaultMutableTreeNode("Samples",
				true);
		double sr = start.getSampleRate();
		if (sr == 1.0) {
			sr = _sampleRate;
		}
		snode.add(new DefaultMutableTreeNode("SampleRate: S"
				+ Integer.toString((int) sr), false));
		snode.add(new DefaultMutableTreeNode("NumberOfSamples: "
				+ start.getSamples(), false));
		node.add(snode);

		snode = new DefaultMutableTreeNode("FilmFraming", true);
		snode.add(new DefaultMutableTreeNode("Framing: NOT_APPLICABLE", false));
		snode.add(new DefaultMutableTreeNode("Type: ntscFilmFramingType", false));
		node.add(snode);
		parent.add(node);

		// Duration is optional.
		if (duration != null) {
			node = new DefaultMutableTreeNode("Duration", true);
			// Put in boilerplate to match the AES schema
			node.add(new DefaultMutableTreeNode("FrameCount: 30", false));
			node.add(new DefaultMutableTreeNode("TimeBase: 1000"));
			node.add(new DefaultMutableTreeNode("VideoField: FIELD_1"));
			node.add(new DefaultMutableTreeNode(
					"CountingMode: NTSC_NON_DROP_FRAME", false));
			node.add(new DefaultMutableTreeNode(
					"Hours: " + duration.getHours(), false));
			node.add(new DefaultMutableTreeNode("Minutes: "
					+ duration.getMinutes(), false));
			node.add(new DefaultMutableTreeNode("Seconds: "
					+ duration.getSeconds(), false));
			node.add(new DefaultMutableTreeNode("Frames: "
					+ duration.getFrames(), false));

			// Do samples a bit more elaborately than is really necessary,
			// to maintain parallelism with the xml schema.
			snode = new DefaultMutableTreeNode("Samples", true);
			sr = duration.getSampleRate();
			if (sr == 1.0) {
				sr = _sampleRate;
			}
			snode.add(new DefaultMutableTreeNode("SamplesRate S"
					+ Integer.toString((int) sr), false));
			snode.add(new DefaultMutableTreeNode("NumberOfSamples: "
					+ duration.getSamples(), false));
			node.add(snode);

			snode = new DefaultMutableTreeNode("FilmFraming", true);
			snode.add(new DefaultMutableTreeNode("Framing: NOT_APPLICABLE",
					false));
			snode.add(new DefaultMutableTreeNode("Type: ntscFilmFramingType",
					false));
			node.add(snode);
			parent.add(node);
		}
	}

	/* Function for turning the textMD metadata into a subtree. */
	private DefaultMutableTreeNode textMDToNode(TextMDMetadata textMD) {
		DefaultMutableTreeNode val = new DefaultMutableTreeNode(
				"TextMDMetadata", true);

		DefaultMutableTreeNode u = new DefaultMutableTreeNode("Character_info",
				true);
		val.add(u);

		String s = textMD.getCharset();
		if (s != null) {
			u.add(new DefaultMutableTreeNode("Charset: " + s, false));
		}
		s = textMD.getByte_orderString();
		if (s != null) {
			u.add(new DefaultMutableTreeNode("Byte_order: " + s, false));
		}
		s = textMD.getByte_size();
		if (s != null) {
			u.add(new DefaultMutableTreeNode("Byte_size: " + s, false));
		}
		s = textMD.getCharacter_size();
		if (s != null) {
			u.add(new DefaultMutableTreeNode("Character_size: " + s, false));
		}
		s = textMD.getLinebreakString();
		if (s != null) {
			u.add(new DefaultMutableTreeNode("Linebreak: " + s, false));
		}
		s = textMD.getLanguage();
		if (s != null) {
			val.add(new DefaultMutableTreeNode("Language: " + s, false));
		}
		s = textMD.getMarkup_basis();
		if (s != null) {
			DefaultMutableTreeNode basis = new DefaultMutableTreeNode(
					"Markup_basis: " + s, true);
			val.add(basis);
			s = textMD.getMarkup_basis_version();
			if (s != null) {
				basis.add(new DefaultMutableTreeNode("Version: " + s, false));
			}
		}
		s = textMD.getMarkup_language();
		if (s != null) {
			DefaultMutableTreeNode language = new DefaultMutableTreeNode(
					"Markup_language: " + s, true);
			val.add(language);
			s = textMD.getMarkup_language_version();
			if (s != null) {
				language.add(new DefaultMutableTreeNode("Version: " + s, false));
			}
		}
		return val;
	}

	/* Function for turning the Niso metadata into a subtree. */
	private DefaultMutableTreeNode nisoToNode(NisoImageMetadata niso) {
		DefaultMutableTreeNode val = new DefaultMutableTreeNode(
				"NisoImageMetadata", true);
		String s = niso.getMimeType();
		if (s != null) {
			val.add(new DefaultMutableTreeNode("MIMEType: " + s, false));
		}
		s = niso.getByteOrder();
		if (s != null) {
			val.add(new DefaultMutableTreeNode("ByteOrder: " + s, false));
		}

		int n = niso.getCompressionScheme();
		if (n != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("CompressionScheme: "
					+ integerRepresentation(n,
							NisoImageMetadata.COMPRESSION_SCHEME,
							NisoImageMetadata.COMPRESSION_SCHEME_INDEX), false));
		}
		if ((n = niso.getCompressionLevel()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("CompressionLevel: "
					+ Integer.toString(n), false));
		}
		if ((n = niso.getColorSpace()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("ColorSpace: "
					+ integerRepresentation(n, NisoImageMetadata.COLORSPACE,
							NisoImageMetadata.COLORSPACE_INDEX), false));
		}
		if ((s = niso.getProfileName()) != null) {
			val.add(new DefaultMutableTreeNode("ProfileName: " + s, false));
		}
		if ((s = niso.getProfileURL()) != null) {
			val.add(new DefaultMutableTreeNode("ProfileURL: " + s, false));
		}
		int[] iarray = niso.getYCbCrSubSampling();
		if (iarray != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"YCbCrSubSampling"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Integer.toString(iarray[i]),
						false));
			}
		}
		if ((n = niso.getYCbCrPositioning()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("YCbCrPositioning: "
					+ integerRepresentation(n,
							NisoImageMetadata.YCBCR_POSITIONING), false));
		}
		Rational[] rarray = niso.getYCbCrCoefficients();
		if (rarray != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"YCbCrCoefficients", true));
			val.add(nod);
			for (int i = 0; i < rarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(rarray[i].toString(), false));
			}
		}
		rarray = niso.getReferenceBlackWhite();
		if (rarray != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"ReferenceBlackWhite", true));
			val.add(nod);
			for (int i = 0; i < rarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(rarray[i].toString(), false));
			}
		}
		if ((n = niso.getSegmentType()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("YSegmentType: "
					+ integerRepresentation(n, NisoImageMetadata.SEGMENT_TYPE),
					false));
		}
		long[] larray = niso.getStripOffsets();
		if (larray != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"StripOffsets", true));
			val.add(nod);
			for (int i = 0; i < larray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Long.toString(larray[i]),
						false));
			}
		}
		long ln = niso.getRowsPerStrip();
		if (ln != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("RowsPerStrip: "
					+ Long.toString(ln), false));
		}
		if ((larray = niso.getStripByteCounts()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"StripByteCounts", true));
			val.add(nod);
			for (int i = 0; i < larray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Long.toString(larray[i]),
						false));
			}
		}
		if ((ln = niso.getTileWidth()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("TileWidth: "
					+ Long.toString(ln)));
		}
		if ((ln = niso.getTileLength()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("TileLength: "
					+ Long.toString(ln)));
		}
		if ((larray = niso.getTileOffsets()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"TileOffsets", true));
			val.add(nod);
			for (int i = 0; i < larray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Long.toString(larray[i]),
						false));
			}
		}
		if ((larray = niso.getTileByteCounts()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"TileByteCounts", true));
			val.add(nod);
			for (int i = 0; i < larray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Long.toString(larray[i]),
						false));
			}
		}
		if ((n = niso.getPlanarConfiguration()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("PlanarConfiguration: "
					+ integerRepresentation(n,
							NisoImageMetadata.PLANAR_CONFIGURATION), false));
		}
		if ((s = niso.getImageIdentifier()) != null) {
			val.add(new DefaultMutableTreeNode("ImageIdentifier: " + s, false));
		}
		if ((s = niso.getImageIdentifierLocation()) != null) {
			val.add(new DefaultMutableTreeNode("ImageIdentifierLocation: " + s,
					false));
		}
		if ((ln = niso.getFileSize()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode(
					"FileSize: " + Long.toString(ln), false));
		}
		if ((n = niso.getChecksumMethod()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("ChecksumMethod: "
					+ integerRepresentation(n,
							NisoImageMetadata.CHECKSUM_METHOD), false));
		}
		if ((s = niso.getChecksumValue()) != null) {
			val.add(new DefaultMutableTreeNode("ChecksumValue: " + s, false));
		}
		if ((n = niso.getOrientation()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("Orientation: "
					+ integerRepresentation(n, NisoImageMetadata.ORIENTATION),
					false));
		}
		if ((n = niso.getDisplayOrientation()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("DisplayOrientation: "
					+ integerRepresentation(n,
							NisoImageMetadata.DISPLAY_ORIENTATION), false));
		}
		if ((ln = niso.getXTargetedDisplayAR()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("XTargetedDisplayAR: "
					+ Long.toString(ln), false));
		}
		if ((ln = niso.getYTargetedDisplayAR()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("YTargetedDisplayAR: "
					+ Long.toString(ln), false));
		}
		if ((s = niso.getPreferredPresentation()) != null) {
			val.add(new DefaultMutableTreeNode("PreferredPresentation: " + s,
					false));
		}
		if ((s = niso.getSourceType()) != null) {
			val.add(new DefaultMutableTreeNode("SourceType: " + s, false));
		}
		if ((s = niso.getImageProducer()) != null) {
			val.add(new DefaultMutableTreeNode("ImageProducer: " + s, false));
		}
		if ((s = niso.getHostComputer()) != null) {
			val.add(new DefaultMutableTreeNode("HostComputer: " + s, false));
		}
		if ((s = niso.getOS()) != null) {
			val.add(new DefaultMutableTreeNode("OperatingSystem: " + s, false));
		}
		if ((s = niso.getOSVersion()) != null) {
			val.add(new DefaultMutableTreeNode("OSVersion: " + s, false));
		}
		if ((s = niso.getDeviceSource()) != null) {
			val.add(new DefaultMutableTreeNode("DeviceSource: " + s, false));
		}
		if ((s = niso.getScannerManufacturer()) != null) {
			val.add(new DefaultMutableTreeNode("ScannerManufacturer: " + s,
					false));
		}
		if ((s = niso.getScannerModelName()) != null) {
			val.add(new DefaultMutableTreeNode("ScannerModelName: " + s, false));
		}
		if ((s = niso.getScannerModelNumber()) != null) {
			val.add(new DefaultMutableTreeNode("ScannerModelNumber: " + s,
					false));
		}
		if ((s = niso.getScannerModelSerialNo()) != null) {
			val.add(new DefaultMutableTreeNode("ScannerModelSerialNo: " + s,
					false));
		}
		if ((s = niso.getScanningSoftware()) != null) {
			val.add(new DefaultMutableTreeNode("ScanningSoftware: " + s, false));
		}
		if ((s = niso.getScanningSoftwareVersionNo()) != null) {
			val.add(new DefaultMutableTreeNode("ScanningSoftwareVersionNo: "
					+ s, false));
		}
		double d = niso.getPixelSize();
		if (d != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("PixelSize: "
					+ Double.toString(d), false));
		}
		if ((d = niso.getXPhysScanResolution()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("XPhysScanResolution: "
					+ Double.toString(d), false));
		}
		if ((d = niso.getYPhysScanResolution()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("YPhysScanResolution: "
					+ Double.toString(d), false));
		}

		if ((s = niso.getDigitalCameraManufacturer()) != null) {
			val.add(new DefaultMutableTreeNode("DigitalCameraManufacturer: "
					+ s, false));
		}
		if ((s = niso.getDigitalCameraModelName()) != null) {
			val.add(new DefaultMutableTreeNode("DigitalCameraModelName: " + s,
					false));
		}
		if ((s = niso.getDigitalCameraModelNumber()) != null) {
			val.add(new DefaultMutableTreeNode(
					"DigitalCameraModelNumber: " + s, false));
		}
		if ((s = niso.getDigitalCameraModelSerialNo()) != null) {
			val.add(new DefaultMutableTreeNode("DigitalCameraModelSerialNo: "
					+ s, false));
		}
		if ((d = niso.getFNumber()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode(
					"FNumber: " + Double.toString(d), false));
		}
		if ((d = niso.getExposureTime()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("ExposureTime: "
					+ Double.toString(d), false));
		}
		if ((n = niso.getExposureProgram()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("ExposureProgram: "
					+ Integer.toString(n), false));
		}
		if ((s = niso.getExifVersion()) != null) {
			val.add(new DefaultMutableTreeNode("ExifVersion: " + s, false));
		}
		Rational r;
		if ((r = niso.getBrightness()) != null) {
			val.add(new DefaultMutableTreeNode("Brightness: " + r.toString(),
					false));
		}
		if ((r = niso.getExposureBias()) != null) {
			val.add(new DefaultMutableTreeNode("ExposureBias: " + r.toString(),
					false));
		}

		double[] darray = niso.getSubjectDistance();
		if (darray != null) {
			DefaultMutableTreeNode nod = new DefaultMutableTreeNode(
					"SubjectDistance", true);
			val.add(nod);
			for (int i = 0; i < darray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Double.toString(darray[i]),
						false));
			}
		}
		if ((n = niso.getMeteringMode()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("MeteringMode: "
					+ Integer.toString(n), false));
		}
		if ((n = niso.getSceneIlluminant()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("SceneIlluminant: "
					+ Integer.toString(n), false));
		}
		if ((d = niso.getColorTemp()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("ColorTemp: "
					+ Double.toString(d), false));
		}
		if ((d = niso.getFocalLength()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("FocalLength: "
					+ Double.toString(d), false));
		}
		if ((n = niso.getFlash()) != NisoImageMetadata.NULL) {
			// First bit (0 = Flash did not fire, 1 = Flash fired)
			val.add(new DefaultMutableTreeNode("Flash: "
					+ integerRepresentation(n & 1, NisoImageMetadata.FLASH_20),
					false));
		}
		if ((r = niso.getFlashEnergy()) != null) {
			val.add(new DefaultMutableTreeNode("FlashEnergy: " + r.toString(),
					false));
		}
		if ((n = niso.getFlashReturn()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("FlashReturn: "
					+ integerRepresentation(n, NisoImageMetadata.FLASH_RETURN),
					false));
		}
		if ((n = niso.getBackLight()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("BackLight: "
					+ integerRepresentation(n, NisoImageMetadata.BACKLIGHT),
					false));
		}
		if ((d = niso.getExposureIndex()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("ExposureIndex: "
					+ Double.toString(d), false));
		}
		if ((n = niso.getAutoFocus()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("AutoFocus: "
					+ Integer.toString(n), false));
			// NisoImageMetadata.AUTOFOCUS
		}
		if ((d = niso.getXPrintAspectRatio()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("XPrintAspectRatio: "
					+ Double.toString(d), false));
		}
		if ((d = niso.getYPrintAspectRatio()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("YPrintAspectRatio: "
					+ Double.toString(d), false));
		}

		if ((n = niso.getSensor()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("Sensor: "
					+ integerRepresentation(n, NisoImageMetadata.SENSOR), false));
		}
		if ((s = niso.getDateTimeCreated()) != null) {
			val.add(new DefaultMutableTreeNode("DateTimeCreated: " + s, false));
		}
		if ((s = niso.getMethodology()) != null) {
			val.add(new DefaultMutableTreeNode("Methodology: " + s, false));
		}
		if ((n = niso.getSamplingFrequencyPlane()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("SamplingFrequencyPlane: "
					+ integerRepresentation(n,
							NisoImageMetadata.SAMPLING_FREQUENCY_PLANE), false));
		}
		if ((n = niso.getSamplingFrequencyUnit()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("SamplingFrequencyUnit: "
					+ integerRepresentation(n,
							NisoImageMetadata.SAMPLING_FREQUENCY_UNIT), false));
		}
		Rational rat = niso.getXSamplingFrequency();
		if (rat != null) {
			val.add(new DefaultMutableTreeNode("XSamplingFrequency: "
					+ rat.toString(), false));
		}
		rat = niso.getYSamplingFrequency();
		if (rat != null) {
			val.add(new DefaultMutableTreeNode("YSamplingFrequency: "
					+ rat.toString(), false));
		}
		if ((ln = niso.getImageWidth()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("ImageWidth: "
					+ Long.toString(ln), false));
		}
		if ((ln = niso.getImageLength()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("ImageLength: "
					+ Long.toString(ln), false));
		}
		if ((d = niso.getSourceXDimension()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("SourceXDimension: "
					+ Double.toString(d), false));
		}
		if ((n = niso.getSourceXDimensionUnit()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("SourceXDimensionUnit: "
					+ integerRepresentation(n,
							NisoImageMetadata.SOURCE_DIMENSION_UNIT), false));
		}
		if ((d = niso.getSourceYDimension()) != NisoImageMetadata.NILL) {
			val.add(new DefaultMutableTreeNode("SourceYDimension: "
					+ Double.toString(d), false));
		}
		if ((n = niso.getSourceYDimensionUnit()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("SourceYDimensionUnit: "
					+ integerRepresentation(n,
							NisoImageMetadata.SOURCE_DIMENSION_UNIT), false));
		}
		if ((iarray = niso.getBitsPerSample()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"BitsPerSample"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Integer.toString(iarray[i]),
						false));
			}
		}
		if ((n = niso.getSamplesPerPixel()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("SamplesPerPixel: "
					+ Integer.toString(n), false));
		}
		if ((iarray = niso.getExtraSamples()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"ExtraSamples"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(integerRepresentation(
						iarray[i], NisoImageMetadata.EXTRA_SAMPLES), false));
			}
		}
		if ((s = niso.getColormapReference()) != null) {
			val.add(new DefaultMutableTreeNode("ColormapReference: " + s));
		}
		if ((iarray = niso.getColormapBitCodeValue()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"ColormapBitCodeValue"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Integer.toString(iarray[i]),
						false));
			}
		}
		if ((iarray = niso.getColormapRedValue()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"ColormapRedValue"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Integer.toString(iarray[i]),
						false));
			}
		}
		if ((iarray = niso.getColormapGreenValue()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"ColormapGreenValue"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Integer.toString(iarray[i]),
						false));
			}
		}
		if ((iarray = niso.getColormapBlueValue()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"ColormapBlueValue"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Integer.toString(iarray[i]),
						false));
			}
		}
		if ((iarray = niso.getGrayResponseCurve()) != null) {
			DefaultMutableTreeNode nod = (new DefaultMutableTreeNode(
					"GrayResponseCurve"));
			val.add(nod);
			for (int i = 0; i < iarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(Integer.toString(iarray[i]),
						false));
			}
		}
		if ((n = niso.getGrayResponseUnit()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("GrayResponseUnit: "
					+ Integer.toString(n), false));
		}
		r = niso.getWhitePointXValue();
		if (r != null) {
			val.add(new DefaultMutableTreeNode("WhitePointXValue: "
					+ r.toString(), false));
		}
		if ((r = niso.getWhitePointYValue()) != null) {
			val.add(new DefaultMutableTreeNode("WhitePointYValue: "
					+ r.toString(), false));
		}
		if ((r = niso.getPrimaryChromaticitiesRedX()) != null) {
			val.add(new DefaultMutableTreeNode("PrimaryChromaticitiesRedX: "
					+ r.toString(), false));
		}
		if ((r = niso.getPrimaryChromaticitiesRedY()) != null) {
			val.add(new DefaultMutableTreeNode("PrimaryChromaticitiesRedY: "
					+ r.toString(), false));
		}
		if ((r = niso.getPrimaryChromaticitiesGreenX()) != null) {
			val.add(new DefaultMutableTreeNode("PrimaryChromaticitiesGreenX: "
					+ r.toString(), false));
		}
		if ((r = niso.getPrimaryChromaticitiesGreenY()) != null) {
			val.add(new DefaultMutableTreeNode("PrimaryChromaticitiesGreenY: "
					+ r.toString(), false));
		}
		if ((r = niso.getPrimaryChromaticitiesBlueX()) != null) {
			val.add(new DefaultMutableTreeNode("PrimaryChromaticitiesBlueX: "
					+ r.toString()));
		}
		if ((r = niso.getPrimaryChromaticitiesBlueY()) != null) {
			val.add(new DefaultMutableTreeNode("PrimaryChromaticitiesBlueY: "
					+ r.toString()));
		}
		if ((n = niso.getTargetType()) != NisoImageMetadata.NULL) {
			val.add(new DefaultMutableTreeNode("TargetType: "
					+ integerRepresentation(n, NisoImageMetadata.TARGET_TYPE),
					false));
		}
		if ((s = niso.getTargetIDManufacturer()) != null) {
			val.add(new DefaultMutableTreeNode("TargetIDManufacturer: " + s,
					false));
		}
		if ((s = niso.getTargetIDName()) != null) {
			val.add(new DefaultMutableTreeNode("TargetIDName: " + s, false));
		}
		if ((s = niso.getTargetIDNo()) != null) {
			val.add(new DefaultMutableTreeNode("TargetIDNo: " + s, false));
		}
		if ((s = niso.getTargetIDMedia()) != null) {
			val.add(new DefaultMutableTreeNode("TargetIDMedia: " + s, false));
		}
		if ((s = niso.getImageData()) != null) {
			val.add(new DefaultMutableTreeNode("ImageData: " + s, false));
		}
		if ((s = niso.getPerformanceData()) != null) {
			val.add(new DefaultMutableTreeNode("PerformanceData: " + s, false));
		}
		if ((s = niso.getProfiles()) != null) {
			val.add(new DefaultMutableTreeNode("Profiles: " + s, false));
		}
		if ((s = niso.getDateTimeProcessed()) != null) {
			val.add(new DefaultMutableTreeNode("DateTimeProcessed: " + s, false));
		}
		if ((s = niso.getSourceData()) != null) {
			val.add(new DefaultMutableTreeNode("SourceData: " + s, false));
		}
		if ((s = niso.getProcessingAgency()) != null) {
			val.add(new DefaultMutableTreeNode("ProcessingAgency: " + s, false));
		}
		if ((s = niso.getProcessingSoftwareName()) != null) {
			val.add(new DefaultMutableTreeNode("ProcessingSoftwareName: " + s,
					false));
		}
		if ((s = niso.getProcessingSoftwareVersion()) != null) {
			val.add(new DefaultMutableTreeNode("ProcessingSoftwareVersion: "
					+ s, false));
		}
		String[] sarray = niso.getProcessingActions();
		if (sarray != null) {
			DefaultMutableTreeNode nod = new DefaultMutableTreeNode(
					"ProcessingActions", true);
			val.add(nod);
			for (int i = 1; i < sarray.length; i++) {
				nod.add(new DefaultMutableTreeNode(sarray[i], false));
			}
		}
		return val;
	}

	/*
	 * Return the string equivalent of an integer if raw output isn't selected,
	 * or its literal representation if it is.
	 */
	private String integerRepresentation(int n, String[] labels) {
		if (_rawOutput) {
			return Integer.toString(n);
		}
		try {
			return labels[n];
		} catch (Exception e) {
			return Integer.toString(n);
		}
	}

	private String integerRepresentation(int n, String[] labels, int[] index) {
		if (_rawOutput) {
			return Integer.toString(n);
		}
		try {
			int idx = -1;
			for (int i = 0; i < index.length; i++) {
				if (n == index[i]) {
					idx = i;
					break;
				}
			}
			if (idx > -1) {
				return labels[idx];
			}
		} catch (Exception e) {
		}
		// If we don't get a match, or do get an exception
		return Integer.toString(n);
	}

	/**
	 * This method returns a member of a property list based on it's
	 * PropertyType
	 *
	 * @param ptyp
	 *            the propertytype
	 * @param item
	 *            the item of the list
	 * @param allowsChildren
	 * @return
	 */
	private DefaultMutableTreeNode getDefaultMutableTreeNode(PropertyType ptyp,
			Object item, boolean allowsChildren) {

		DefaultMutableTreeNode itemNode;

		if (null == ptyp) {
			// Simple objects just need a leaf.
			itemNode = (new DefaultMutableTreeNode(item, allowsChildren));
		} else
			// Object item = iter.next ();
			switch (ptyp) {
			case PROPERTY:
				itemNode = (propToNode((Property) item));
				break;
			case NISOIMAGEMETADATA:
				itemNode = (nisoToNode((NisoImageMetadata) item));
				break;
			default:
				// Simple objects just need a leaf.
				itemNode = (new DefaultMutableTreeNode(item, allowsChildren));
				break;
			}

		return itemNode;
	}

	/**
	 * Method to add an array to a node
	 *
	 * @param 
	 *            generic method, can be used for arrays of different types
	 * @param node
	 *            the node to add the elements of the array
	 * @param array
	 *            the array to be added to the node
	 */
	private  void addToNode(DefaultMutableTreeNode node, E[] array) {
		for (E element : array) {
			if (element instanceof Property) {
				node.add(propToNode((Property) element));
			} else {
				node.add(new DefaultMutableTreeNode(element));
			}
		}
	}
}




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