Examples of javax.imageio.metadata.IIOInvalidTreeException

javax.imageio.metadata.IIOInvalidTreeException
An IIOInvalidTreeException is thrown when an attempt by an IIOMetadata object to parse a tree of IIOMetadataNodes fails. The node that led to the parsing error may be stored. As with any parsing error, the actual error may occur at a different point that that where it is detected. The node returned by getOffendingNode should merely be considered as a clue to the actual nature of the problem. @see IIOMetadata#setFromTree @see IIOMetadata#mergeTree @see IIOMetadataNode

        Node gceNode = null;
        for (int i = 0, len = nodeList.getLength(); i < len; i++) {
            Node curNode = nodeList.item(i);
            if (curNode.getNodeName().equals(gceNodeName)) {gceNode = curNode; break;}
        }
        if (gceNode == null) throw new IIOInvalidTreeException("Invalid image metadata, could not find " + gceNodeName + "node.", null, tree);
        Node delayNode = gceNode.getAttributes().getNamedItem(delayNodeName);
        if (delayNode == null) {
            delayNode = tree.getOwnerDocument().createAttribute(delayNodeName);
            gceNode.appendChild(delayNode);
        }

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            thumbHeight = 0;
            this.name = name;
            NamedNodeMap attrs = node.getAttributes();
            int count = attrs.getLength();
            if (count > 2) {
                throw new IIOInvalidTreeException
                    (name +" node cannot have > 2 attributes", node);
            }
            if (count != 0) {
                int value = getAttributeValue(node, attrs, "thumbWidth",
                                              0, 255, false);

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            buffer.bufPtr = 0;
        }


        JFIFThumbJPEG(Node node) throws IIOInvalidTreeException {
            if (node.getChildNodes().getLength() > 1) {
                throw new IIOInvalidTreeException
                    ("JFIFThumbJPEG node must have 0 or 1 child", node);
            }
            Node child = node.getFirstChild();
            if (child != null) {
                String name = child.getNodeName();
                if (!name.equals("markerSequence")) {
                    throw new IIOInvalidTreeException
                        ("JFIFThumbJPEG child must be a markerSequence node",
                         node);
                }
                thumbMetadata = new JPEGMetadata(false, true);
                thumbMetadata.setFromMarkerSequenceNode(child);

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        // Only the transform is required
        NamedNodeMap attrs = node.getAttributes();
        transform = getAttributeValue(node, attrs, "transform", 0, 2, true);
        int count = attrs.getLength();
        if (count > 4) {
            throw new IIOInvalidTreeException
                ("Adobe APP14 node cannot have > 4 attributes", node);
        }
        if (count > 1) {
            int value = getAttributeValue(node, attrs, "version",
                                          100, 255, false);

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        }
        if (node.hasChildNodes()) {
            NodeList children = node.getChildNodes();
            int count = children.getLength();
            if (count > 2) {
                throw new IIOInvalidTreeException
                    ("app0JFIF node cannot have > 2 children", node);
            }
            for (int i = 0; i < count; i++) {
                Node child = children.item(i);
                String name = child.getNodeName();
                if (name.equals("JFXX")) {
                    if ((!extSegments.isEmpty()) && fromScratch) {
                        throw new IIOInvalidTreeException
                            ("app0JFIF node cannot have > 1 JFXX node", node);
                    }
                    NodeList exts = child.getChildNodes();
                    int extCount = exts.getLength();
                    for (int j = 0; j < extCount; j++) {
                        Node ext = exts.item(j);
                        extSegments.add(new JFIFExtensionMarkerSegment(ext));
                    }
                }
                if (name.equals("app2ICC")) {
                    if ((iccSegment != null) && fromScratch) {
                        throw new IIOInvalidTreeException
                            ("> 1 ICC APP2 Marker Segment not supported", node);
                    }
                    iccSegment = new ICCMarkerSegment(child);
                }
            }

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                                         "extensionCode",
                                         THUMB_JPEG,
                                         THUMB_RGB,
                                         false);
                if (code == THUMB_UNASSIGNED) {
                throw new IIOInvalidTreeException
                    ("invalid extensionCode attribute value", node);
                }
            } else {
                code = THUMB_UNASSIGNED;
            }
            // Now the child
            if (node.getChildNodes().getLength() != 1) {
                throw new IIOInvalidTreeException
                    ("app0JFXX node must have exactly 1 child", node);
            }
            Node child = node.getFirstChild();
            String name = child.getNodeName();
            if (name.equals("JFIFthumbJPEG")) {
                if (code == THUMB_UNASSIGNED) {
                    code = THUMB_JPEG;
                }
                thumb = new JFIFThumbJPEG(child);
            } else if (name.equals("JFIFthumbPalette")) {
                if (code == THUMB_UNASSIGNED) {
                    code = THUMB_PALETTE;
                }
                thumb = new JFIFThumbPalette(child);
            } else if (name.equals("JFIFthumbRGB")) {
                if (code == THUMB_UNASSIGNED) {
                    code = THUMB_RGB;
                }
                thumb = new JFIFThumbRGB(child);
            } else {
                throw new IIOInvalidTreeException
                    ("unrecognized app0JFXX child node", node);
            }
        }

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            throw  new IllegalArgumentException("Unsupported format name: "
                                                + formatName);
        }
        if (!isConsistent()) {
            markerSequence = copy;
            throw new IIOInvalidTreeException
                ("Merged tree is invalid; original restored", root);
        }
    }

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    private void mergeNativeTree(Node root) throws IIOInvalidTreeException {
        String name = root.getNodeName();
        if (name != ((isStream) ? JPEG.nativeStreamMetadataFormatName
                                : JPEG.nativeImageMetadataFormatName)) {
            throw new IIOInvalidTreeException("Invalid root node name: " + name,
                                              root);
        }
        if (root.getChildNodes().getLength() != 2) { // JPEGvariety and markerSequence
            throw new IIOInvalidTreeException(
                "JPEGvariety and markerSequence nodes must be present", root);
        }
        mergeJFIFsubtree(root.getFirstChild());
        mergeSequenceSubtree(root.getLastChild());
    }

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            } else if (name.equals("sof")) {
                mergeSOFNode(node);
            } else if (name.equals("sos")) {
                mergeSOSNode(node);
            } else {
                throw new IIOInvalidTreeException("Invalid node: " + name, node);
            }
        }
    }

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            (SOSMarkerSegment) findMarkerSegment(SOSMarkerSegment.class, true);
        SOSMarkerSegment lastSOS =
            (SOSMarkerSegment) findMarkerSegment(SOSMarkerSegment.class, false);
        if (firstSOS != null) {
            if (firstSOS != lastSOS) {
                throw new IIOInvalidTreeException
                    ("Can't merge SOS node into a tree with > 1 SOS node", node);
            }
            firstSOS.updateFromNativeNode(node, false);
        } else {
            markerSequence.add(new SOSMarkerSegment(node));

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