standardmetadataformat.java

java1.6众多例子参考

                                  "Dimension",
                                  DATATYPE_FLOAT);
        
        // root -> Dimension -> HorizontalPosition
        addSingleAttributeElement("HorizontalPosition",
                                  "Dimension",
                                  DATATYPE_FLOAT);
        
        // root -> Dimension -> VerticalPosition
        addSingleAttributeElement("VerticalPosition",
                                  "Dimension",
                                  DATATYPE_FLOAT);
        
        // root -> Dimension -> HorizontalPixelOffset
        addSingleAttributeElement("HorizontalPixelOffset",
                                  "Dimension",
                                  DATATYPE_INTEGER);
        
        // root -> Dimension -> VerticalPixelOffset
        addSingleAttributeElement("VerticalPixelOffset",
                                  "Dimension",
                                  DATATYPE_INTEGER);

        // root -> Dimension -> HorizontalScreenSize
        addSingleAttributeElement("HorizontalScreenSize",
                                  "Dimension",
                                  DATATYPE_INTEGER);
        
        // root -> Dimension -> VerticalScreenSize
        addSingleAttributeElement("VerticalScreenSize",
                                  "Dimension",
                                  DATATYPE_INTEGER);
        
        
        // root -> Document
        addElement("Document", standardMetadataFormatName,
                   CHILD_POLICY_SOME);
        
        // root -> Document -> FormatVersion
        addElement("FormatVersion", "Document",
                   CHILD_POLICY_EMPTY);
        addAttribute("FormatVersion", "value",
                     DATATYPE_STRING,
                     true,
                     null);

        // root -> Document -> SubimageInterpretation
        addElement("SubimageInterpretation", "Document",
                   CHILD_POLICY_EMPTY);
        values = new ArrayList();
        values.add("Standalone");
        values.add("SinglePage");
        values.add("FullResolution");
        values.add("ReducedResolution");
        values.add("PyramidLayer");
        values.add("Preview");
        values.add("VolumeSlice");
        values.add("ObjectView");
        values.add("Panorama");
        values.add("AnimationFrame");
        values.add("TransparencyMask");
        values.add("CompositingLayer");
        values.add("SpectralSlice");
        values.add("Unknown");
        addAttribute("SubimageInterpretation", "value",
                     DATATYPE_STRING,
                     true,
                     null,
                     values);
        
        // root -> Document -> ImageCreationTime
        addElement("ImageCreationTime", "Document",
                   CHILD_POLICY_EMPTY);
        addAttribute("ImageCreationTime", "year",
                     DATATYPE_INTEGER,
                     true,
                     null);
        addAttribute("ImageCreationTime", "month",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "1", "12", true, true);
        addAttribute("ImageCreationTime", "day",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "1", "31", true, true);
        addAttribute("ImageCreationTime", "hour",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "23", true, true);
        addAttribute("ImageCreationTime", "minute",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "59", true, true);
        // second = 60 denotes leap second
        addAttribute("ImageCreationTime", "second",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "60", true, true);
        
        // root -> Document -> ImageModificationTime
        addElement("ImageModificationTime", "Document",
                   CHILD_POLICY_EMPTY);
        addAttribute("ImageModificationTime", "year",
                     DATATYPE_INTEGER,
                     true,
                     null);
        addAttribute("ImageModificationTime", "month",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "1", "12", true, true);
        addAttribute("ImageModificationTime", "day",
                     DATATYPE_INTEGER,
                     true,
                     null,
                     "1", "31", true, true);
        addAttribute("ImageModificationTime", "hour",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "23", true, true);
        addAttribute("ImageModificationTime", "minute",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "59", true, true);
        // second = 60 denotes leap second
        addAttribute("ImageModificationTime", "second",
                     DATATYPE_INTEGER,
                     false,
                     "0",
                     "0", "60", true, true);
        
        // root -> Text
        addElement("Text", standardMetadataFormatName,
                   0, Integer.MAX_VALUE);
        
        // root -> Text -> TextEntry
        addElement("TextEntry", "Text", CHILD_POLICY_EMPTY);
        addAttribute("TextEntry", "keyword",
                     DATATYPE_STRING,
                     false,
                     null);
        addAttribute("TextEntry", "value",
                     DATATYPE_STRING,
                     true,
                     null);
        addAttribute("TextEntry", "language",
                     DATATYPE_STRING,
                     false,
                     null);
        addAttribute("TextEntry", "encoding",
                     DATATYPE_STRING,
                     false,
                     null);
        
        values = new ArrayList();
        values.add("none");
        values.add("lzw");
        values.add("zip");
        values.add("bzip");
        values.add("other");
        addAttribute("TextEntry", "compression",
                     DATATYPE_STRING,
                     false,
                     "none",
                     values);
        
        // root -> Transparency
        addElement("Transparency", standardMetadataFormatName,
                   CHILD_POLICY_SOME);
        
        // root -> Transparency -> Alpha
        addElement("Alpha", "Transparency", CHILD_POLICY_EMPTY);
        
        values = new ArrayList();
        values.add("none");
        values.add("premultiplied");
        values.add("nonpremultiplied");
        addAttribute("Alpha", "value",
                     DATATYPE_STRING,
                     false,
                     "none",
                     values);
        
        // root -> Transparency -> TransparentIndex
        addSingleAttributeElement("TransparentIndex", "Transparency",
                                  DATATYPE_INTEGER);
        
        // root -> Transparency -> TransparentColor
        addElement("TransparentColor", "Transparency",
                   CHILD_POLICY_EMPTY);
        addAttribute("TransparentColor", "value",
                     DATATYPE_INTEGER,
                     true,
                     0, Integer.MAX_VALUE);
        
        // root -> Transparency -> TileTransparencies
        addElement("TileTransparencies", "Transparency",
                   0, Integer.MAX_VALUE);
        
        // root -> Transparency -> TileTransparencies -> TransparentTile
        addElement("TransparentTile", "TileTransparencies",
                   CHILD_POLICY_EMPTY);
        addAttribute("TransparentTile", "x",
                     DATATYPE_INTEGER,
                     true,
                     null);
        addAttribute("TransparentTile", "y",
                     DATATYPE_INTEGER,
                     true,
                     null);
        
        // root -> Transparency -> TileOpacities
        addElement("TileOpacities", "Transparency",
                   0, Integer.MAX_VALUE);
        
        // root -> Transparency -> TileOpacities -> OpaqueTile
        addElement("OpaqueTile", "TileOpacities",
                   CHILD_POLICY_EMPTY);
        addAttribute("OpaqueTile", "x",
                     DATATYPE_INTEGER,
                     true,
                     null);
        addAttribute("OpaqueTile", "y",
                     DATATYPE_INTEGER,
                     true,
                     null);
    }
    
    public boolean canNodeAppear(String elementName,
                                 ImageTypeSpecifier imageType) {
            return true;
    }
}