Examples of org.apache.sis.util.collection.TreeTableFormat

org.apache.sis.util.collection.TreeTableFormat
A parser and formatter for {@link TreeTable} instances.This formatter is given an arbitrary number of {@link TableColumn}s to use during the formatting. The first column is taken as the node label. If a {@code TreeTable} is formatted with only that column, then the {@link String} result is like the following example:{@preformat textNode #1 ├─Node #2 │ └─Node #4 └─Node #3}If the same {@code TreeTable} is formatted with two columns, then the {@link String} result is like the following example:{@preformat textNode #1……………………… More #1 ├─Node #2…………… More #2 │ └─Node #4… More #4 └─Node #3…………… More #3}This representation can be printed to the {@linkplain java.io.Console#writer() console output}(for example) if the stream uses a monospaced font and supports Unicode characters. {@section Customization}Some formatting characteristics (indentation width, column where to draw the vertical line below nodes) can be modified by calls to the setter methods defined in this formatter. In particular, the dots joining the node labels to their values can be specified by the {@linkplain #setColumnSeparatorPattern(String) column separator pattern}. The default pattern is {@code "?……[…] "}, which means "If the next value is non-null, then insert the {@code "……"} string, repeat the {@code '…'} character as many time as needed(may be zero), and finally insert a space". {@section Safety against infinite recursivity}Some {@code TreeTable} implementations generate the nodes dynamically as wrappers around Java objects.Such Java objects may contain cyclic associations (A contains B contains C contains A), which result in a tree of infinite depth. Some examples can been found in ISO 19115 metadata. This {@code TreeTableFormat} class contains a safety against such cycles. The algorithm is basedon the assumption that for each node, the values and children are fully determined by the {@linkplain TreeTable.Node#getUserObject() user object}, if non-null. Consequently for each node C to be formatted, if the user object of that node is the same instance (in the sense of the {@code ==} operator)than the user object of a parent node A, then the children of the C node will not be formatted. @author Martin Desruisseaux (IRD, Geomatys) @since 0.3 (derived from geotk-2.0) @version 0.3 @module

     * @return A unlocalized string representation of the given tree table.
     */
    public static String formatNameAndValue(final TreeTable table) {
        synchronized (TestUtilities.class) {
            if (tableFormat == null) {
                final TreeTableFormat f = new TreeTableFormat(null, null);
                f.setColumns(TableColumn.NAME, TableColumn.VALUE);
                tableFormat = f;
            }
            return tableFormat.format(table);
        }
    }

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     * methods. Since they are mostly for debugging purpose, we do not bother to cache
     * the {@link TreeTableFormat} instance.
     */
    @Debug
    static String format(final TreeTable table) {
        final TreeTableFormat format = new TreeTableFormat(null, null);
        format.setColumnSeparatorPattern("?[ ] ← ");
        return format.format(table);
    }

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                marshaller.setProperty(XML.LOCALE,   locale);
                marshaller.setProperty(XML.TIMEZONE, timezone);
                marshaller.marshal(metadata, out);
            } else {
                final TreeTable tree = MetadataStandard.ISO_19115.asTreeTable(metadata, ValueExistencePolicy.NON_EMPTY);
                final TreeTableFormat tf = new TreeTableFormat(locale, timezone);
                tf.setColumns(TableColumn.NAME, TableColumn.VALUE);
                tf.format(tree, out);
            }
            out.flush();
        }
        return 0;
    }

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    /**
     * Creates a new test case.
     */
    public TreeTableFormatTest() {
        format = new TreeTableFormat(null, null);
        format.setColumns(TableColumn.NAME, TableColumn.VALUE);
    }

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     * @return A unlocalized string representation of the given tree table.
     */
    public static String formatNameAndValue(final TreeTable table) {
        synchronized (TestUtilities.class) {
            if (tableFormat == null) {
                final TreeTableFormat f = new TreeTableFormat(null, null);
                f.setColumns(TableColumn.NAME, TableColumn.VALUE);
                tableFormat = f;
            }
            return tableFormat.format(table);
        }
    }

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     */
    @Override
    public String toString() {
        synchronized (TreeTableView.class) {
            if (format == null) {
                final TreeTableFormat f = new TreeTableFormat(
                        Locale.getDefault(), TimeZone.getDefault());
                f.setColumns(TableColumn.NAME, TableColumn.VALUE);
                format = f;
            }
            return format.format(this);
        }
    }

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    /**
     * Creates a new test case.
     */
    public TreeTableFormatTest() {
        format = new TreeTableFormat(null, null);
        format.setColumns(TableColumn.NAME, TableColumn.VALUE);
    }

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            }
            f.format(crs, out);
            out.println();
        } else {
            final TreeTable tree = MetadataStandard.ISO_19115.asTreeTable(metadata, ValueExistencePolicy.NON_EMPTY);
            final TreeTableFormat tf = new TreeTableFormat(locale, timezone);
            tf.setColumns(TableColumn.NAME, TableColumn.VALUE);
            tf.format(tree, out);
        }
        out.flush();
        return 0;
    }

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     * methods. Since they are mostly for debugging purpose, we do not bother to cache
     * the {@link TreeTableFormat} instance.
     */
    @Debug
    static String format(final TreeTable table) {
        final TreeTableFormat format = new TreeTableFormat(null, null);
        format.setColumnSeparatorPattern("?[ ] ← ");
        return format.format(table);
    }

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