franta-hg@32
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/**
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franta-hg@32
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* SQL-DK
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franta-hg@32
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* Copyright © 2013 František Kučera (frantovo.cz)
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franta-hg@32
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*
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franta-hg@32
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* This program is free software: you can redistribute it and/or modify
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franta-hg@32
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* it under the terms of the GNU General Public License as published by
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franta-hg@250
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* the Free Software Foundation, version 3 of the License.
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franta-hg@32
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*
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franta-hg@32
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* This program is distributed in the hope that it will be useful,
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franta-hg@32
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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franta-hg@32
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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franta-hg@32
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* GNU General Public License for more details.
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franta-hg@32
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*
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franta-hg@32
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* You should have received a copy of the GNU General Public License
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franta-hg@32
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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franta-hg@32
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*/
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franta-hg@32
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package info.globalcode.sql.dk.formatting;
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import info.globalcode.sql.dk.ColorfulPrintWriter;
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franta-hg@37
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import static info.globalcode.sql.dk.ColorfulPrintWriter.*;
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import info.globalcode.sql.dk.Functions;
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franta-hg@39
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import static info.globalcode.sql.dk.Functions.lpad;
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franta-hg@39
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import static info.globalcode.sql.dk.Functions.rpad;
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import static info.globalcode.sql.dk.Functions.repeat;
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franta-hg@206
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import info.globalcode.sql.dk.configuration.PropertyDeclaration;
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franta-hg@206
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import static info.globalcode.sql.dk.formatting.CommonProperties.COLORFUL;
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franta-hg@206
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import static info.globalcode.sql.dk.formatting.CommonProperties.COLORFUL_DESCRIPTION;
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franta-hg@234
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import java.sql.SQLException;
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franta-hg@234
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import java.sql.SQLXML;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Objects;
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franta-hg@234
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import java.util.logging.Level;
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franta-hg@234
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import java.util.logging.Logger;
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import java.util.regex.Pattern;
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franta-hg@32
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/**
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franta-hg@185
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* <p>
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franta-hg@185
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* Prints human-readable output – tables of result sets and text messages with update counts.
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franta-hg@185
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* </p>
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franta-hg@155
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*
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* <p>
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franta-hg@234
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* Longer values might break the table – overflow the cells – see alternative tabular formatters and
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* the {@linkplain #PROPERTY_TRIM} property.
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* </p>
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franta-hg@32
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*
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* @author Ing. František Kučera (frantovo.cz)
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* @see TabularPrefetchingFormatter
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* @see TabularWrappingFormatter
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*/
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@PropertyDeclaration(name = COLORFUL, defaultValue = "true", type = Boolean.class, description = COLORFUL_DESCRIPTION)
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franta-hg@207
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@PropertyDeclaration(name = TabularFormatter.PROPERTY_ASCII, defaultValue = "false", type = Boolean.class, description = "whether to use ASCII table borders instead of unicode ones")
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franta-hg@207
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@PropertyDeclaration(name = TabularFormatter.PROPERTY_TRIM, defaultValue = "false", type = Boolean.class, description = "whether to trim the values to fit the column width")
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franta-hg@227
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@PropertyDeclaration(name = TabularFormatter.PROPERTY_HEADER_TYPE, defaultValue = "true", type = Boolean.class, description = "whether to print data types in column headers")
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franta-hg@255
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@PropertyDeclaration(name = TabularFormatter.PROPERTY_SEPARATE_BY, defaultValue = "", type = String.class, description = "colum(s) whose change triggers separator printing")
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public class TabularFormatter extends AbstractFormatter {
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private static final Logger log = Logger.getLogger(TabularFormatter.class.getName());
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public static final String NAME = "tabular"; // bash-completion:formatter
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private static final String HEADER_TYPE_PREFIX = " (";
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private static final String HEADER_TYPE_SUFFIX = ")";
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public static final String PROPERTY_ASCII = "ascii";
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public static final String PROPERTY_TRIM = "trim";
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public static final String PROPERTY_HEADER_TYPE = "headerTypes";
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public static final String PROPERTY_SEPARATE_BY = "separateBy";
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protected ColorfulPrintWriter out;
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franta-hg@37
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private boolean firstResult = true;
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franta-hg@39
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private int[] columnWidth;
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franta-hg@87
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/**
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* use ASCII borders instead of unicode ones
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franta-hg@87
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*/
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private final boolean asciiNostalgia;
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franta-hg@87
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/**
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* Trim values if they are longer than cell size
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*/
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franta-hg@104
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private final boolean trimValues;
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franta-hg@227
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/**
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franta-hg@227
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* Print data type of each column in the header
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franta-hg@227
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*/
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franta-hg@227
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private final boolean printHeaderTypes;
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franta-hg@255
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/**
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* When values of columns (names specified by this pattern) changes
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franta-hg@255
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* between two consecutive rows, horizontal separator is printed.
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franta-hg@255
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*/
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franta-hg@255
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private final Pattern separateBy;
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franta-hg@255
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/**
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franta-hg@255
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* Indexes of columns that matches {@linkplain #separateBy}
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franta-hg@255
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*/
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franta-hg@255
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private final List<Boolean> separators = new ArrayList<>();
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franta-hg@255
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/**
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franta-hg@255
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* Internal counter for buffered data.
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franta-hg@255
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*/
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franta-hg@255
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private int currentColumnsCount = 0;
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franta-hg@255
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/**
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franta-hg@255
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* Buffered data to be compared and printed later.
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franta-hg@255
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*/
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franta-hg@255
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private final List<Object> currentRow = new ArrayList<>();
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franta-hg@255
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/**
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franta-hg@255
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* Buffered data to be compared later.
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franta-hg@255
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*/
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private final List<Object> previousRow = new ArrayList<>();
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franta-hg@32
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public TabularFormatter(FormatterContext formatterContext) {
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super(formatterContext);
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franta-hg@34
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out = new ColorfulPrintWriter(formatterContext.getOutputStream());
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franta-hg@104
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asciiNostalgia = formatterContext.getProperties().getBoolean(PROPERTY_ASCII, false);
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franta-hg@104
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trimValues = formatterContext.getProperties().getBoolean(PROPERTY_TRIM, false);
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franta-hg@227
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printHeaderTypes = formatterContext.getProperties().getBoolean(PROPERTY_HEADER_TYPE, true);
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out.setColorful(formatterContext.getProperties().getBoolean(COLORFUL, true));
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separateBy = formatterContext.getProperties().getPattern(PROPERTY_SEPARATE_BY, null);
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franta-hg@34
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}
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franta-hg@34
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franta-hg@34
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@Override
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franta-hg@142
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public void writeStartResultSet(ColumnsHeader header) {
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franta-hg@142
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super.writeStartResultSet(header);
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franta-hg@37
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printResultSeparator();
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franta-hg@37
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franta-hg@88
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initColumnWidths(header.getColumnCount());
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franta-hg@255
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currentRow.clear();
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franta-hg@255
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previousRow.clear();
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franta-hg@255
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separators.clear();
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franta-hg@39
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franta-hg@40
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printTableIndent();
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franta-hg@40
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printTableBorder("╭");
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franta-hg@88
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franta-hg@88
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List<ColumnDescriptor> columnDescriptors = header.getColumnDescriptors();
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franta-hg@88
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franta-hg@255
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if (separateBy != null) {
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franta-hg@255
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for (ColumnDescriptor cd : columnDescriptors) {
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franta-hg@255
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separators.add(separateBy.matcher(cd.getLabel()).matches());
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franta-hg@255
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}
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franta-hg@255
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}
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franta-hg@255
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franta-hg@88
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for (ColumnDescriptor cd : columnDescriptors) {
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franta-hg@88
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// padding: make header cell at least same width as data cells in this column
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franta-hg@227
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int typeWidth = printHeaderTypes ? cd.getTypeName().length() + HEADER_TYPE_PREFIX.length() + HEADER_TYPE_SUFFIX.length() : 0;
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franta-hg@88
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cd.setLabel(rpad(cd.getLabel(), getColumnWidth(cd.getColumnNumber()) - typeWidth));
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franta-hg@88
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updateColumnWidth(cd.getColumnNumber(), cd.getLabel().length() + typeWidth);
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franta-hg@88
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franta-hg@40
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if (!cd.isFirstColumn()) {
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franta-hg@40
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printTableBorder("┬");
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franta-hg@40
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}
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franta-hg@40
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printTableBorder(repeat('─', getColumnWidth(cd.getColumnNumber()) + 2));
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franta-hg@40
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}
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franta-hg@40
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printTableBorder("╮");
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franta-hg@40
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out.println();
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franta-hg@40
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franta-hg@88
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for (ColumnDescriptor cd : columnDescriptors) {
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franta-hg@40
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if (cd.isFirstColumn()) {
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franta-hg@40
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printTableIndent();
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franta-hg@40
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printTableBorder("│ ");
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franta-hg@40
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} else {
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franta-hg@40
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printTableBorder(" │ ");
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franta-hg@40
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}
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franta-hg@37
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out.print(TerminalStyle.Bright, cd.getLabel());
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franta-hg@227
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if (printHeaderTypes) {
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franta-hg@227
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out.print(HEADER_TYPE_PREFIX);
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franta-hg@227
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out.print(cd.getTypeName());
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franta-hg@227
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out.print(HEADER_TYPE_SUFFIX);
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franta-hg@227
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}
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franta-hg@40
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if (cd.isLastColumn()) {
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franta-hg@40
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printTableBorder(" │");
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franta-hg@37
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}
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franta-hg@37
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}
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franta-hg@37
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out.println();
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franta-hg@40
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franta-hg@40
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printTableIndent();
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franta-hg@40
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printTableBorder("├");
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franta-hg@40
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for (int i = 1; i <= header.getColumnCount(); i++) {
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franta-hg@40
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if (i > 1) {
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franta-hg@40
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printTableBorder("┼");
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franta-hg@40
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}
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franta-hg@40
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printTableBorder(repeat('─', getColumnWidth(i) + 2));
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franta-hg@40
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}
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franta-hg@40
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printTableBorder("┤");
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franta-hg@40
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out.println();
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franta-hg@40
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franta-hg@37
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out.flush();
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franta-hg@37
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}
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franta-hg@37
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franta-hg@88
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/**
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franta-hg@234
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* Must be called before {@linkplain #updateColumnWidth(int, int)} and
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franta-hg@234
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* {@linkplain #getColumnWidth(int)} for each result set.
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franta-hg@88
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*
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franta-hg@88
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* @param columnCount number of columns in current result set
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franta-hg@88
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*/
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franta-hg@88
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protected void initColumnWidths(int columnCount) {
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franta-hg@88
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if (columnWidth == null) {
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franta-hg@88
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columnWidth = new int[columnCount];
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franta-hg@88
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}
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franta-hg@88
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}
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franta-hg@88
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franta-hg@88
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protected void cleanColumnWidths() {
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franta-hg@88
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columnWidth = null;
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franta-hg@88
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}
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franta-hg@88
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franta-hg@37
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@Override
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franta-hg@34
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public void writeColumnValue(Object value) {
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franta-hg@255
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if (separateBy == null) super.writeColumnValue(value);
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franta-hg@123
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writeColumnValueInternal(value);
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franta-hg@123
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}
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franta-hg@123
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franta-hg@123
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203 |
protected void writeColumnValueInternal(Object value) {
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franta-hg@255
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204 |
if (separateBy == null) {
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franta-hg@255
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205 |
printColumnValue(value);
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franta-hg@255
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206 |
} else {
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franta-hg@255
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207 |
currentRow.add(value);
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franta-hg@255
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currentColumnsCount++;
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franta-hg@255
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209 |
int columnsCount = getCurrentColumnsHeader().getColumnCount();
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franta-hg@255
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210 |
if (currentColumnsCount % columnsCount == 0) {
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franta-hg@255
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211 |
if (!previousRow.isEmpty()) {
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franta-hg@255
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212 |
boolean hasChanges = false;
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franta-hg@255
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213 |
for (int i = 0; i < previousRow.size(); i++) {
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franta-hg@255
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214 |
Object previous = previousRow.get(i);
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franta-hg@255
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215 |
Object current = currentRow.get(i);
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franta-hg@255
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216 |
boolean isSepating = separators.get(i);
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franta-hg@255
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217 |
if (isSepating && !Objects.equals(previous, current)) {
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franta-hg@255
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218 |
hasChanges = true;
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franta-hg@255
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219 |
break;
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franta-hg@255
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220 |
}
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franta-hg@255
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221 |
}
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franta-hg@255
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222 |
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franta-hg@255
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223 |
if (hasChanges) {
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franta-hg@255
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224 |
printRecordSeparator();
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franta-hg@255
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225 |
}
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franta-hg@255
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226 |
}
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franta-hg@255
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227 |
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franta-hg@255
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228 |
for (Object o : currentRow) {
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franta-hg@255
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229 |
super.writeColumnValue(value);
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franta-hg@255
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230 |
printColumnValue(o);
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franta-hg@255
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231 |
}
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franta-hg@255
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232 |
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franta-hg@255
|
233 |
previousRow.clear();
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franta-hg@255
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234 |
previousRow.addAll(currentRow);
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franta-hg@255
|
235 |
currentRow.clear();
|
franta-hg@255
|
236 |
currentColumnsCount = 0;
|
franta-hg@255
|
237 |
}
|
franta-hg@255
|
238 |
}
|
franta-hg@255
|
239 |
}
|
franta-hg@255
|
240 |
|
franta-hg@255
|
241 |
protected void printColumnValue(Object value) {
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franta-hg@34
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242 |
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franta-hg@40
|
243 |
if (isCurrentColumnFirst()) {
|
franta-hg@40
|
244 |
printTableIndent();
|
franta-hg@40
|
245 |
printTableBorder("│ ");
|
franta-hg@40
|
246 |
} else {
|
franta-hg@90
|
247 |
printTableBorder(" │ ");
|
franta-hg@34
|
248 |
}
|
franta-hg@37
|
249 |
|
franta-hg@219
|
250 |
printValueWithWhitespaceReplaced(toString(value));
|
franta-hg@40
|
251 |
|
franta-hg@40
|
252 |
if (isCurrentColumnLast()) {
|
franta-hg@90
|
253 |
printTableBorder(" │");
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franta-hg@40
|
254 |
}
|
franta-hg@40
|
255 |
|
franta-hg@39
|
256 |
}
|
franta-hg@39
|
257 |
|
franta-hg@255
|
258 |
protected void printRecordSeparator() {
|
franta-hg@255
|
259 |
int columnCount = getCurrentColumnsHeader().getColumnCount();
|
franta-hg@255
|
260 |
printTableIndent();
|
franta-hg@255
|
261 |
printTableBorder("├");
|
franta-hg@255
|
262 |
for (int i = 1; i <= columnCount; i++) {
|
franta-hg@255
|
263 |
if (i > 1) {
|
franta-hg@255
|
264 |
printTableBorder("┼");
|
franta-hg@255
|
265 |
}
|
franta-hg@255
|
266 |
printTableBorder(repeat('─', getColumnWidth(i) + 2));
|
franta-hg@255
|
267 |
}
|
franta-hg@255
|
268 |
printTableBorder("┤");
|
franta-hg@255
|
269 |
out.println();
|
franta-hg@255
|
270 |
}
|
franta-hg@255
|
271 |
|
franta-hg@219
|
272 |
protected void printValueWithWhitespaceReplaced(String text) {
|
franta-hg@219
|
273 |
Functions.printValueWithWhitespaceReplaced(out, text, TerminalColor.Cyan, TerminalColor.Red);
|
franta-hg@219
|
274 |
}
|
franta-hg@219
|
275 |
|
franta-hg@123
|
276 |
protected int getColumnWidth(int columnNumber) {
|
franta-hg@39
|
277 |
return columnWidth[columnNumber - 1];
|
franta-hg@39
|
278 |
}
|
franta-hg@39
|
279 |
|
franta-hg@39
|
280 |
private void setColumnWidth(int columnNumber, int width) {
|
franta-hg@39
|
281 |
columnWidth[columnNumber - 1] = width;
|
franta-hg@39
|
282 |
}
|
franta-hg@39
|
283 |
|
franta-hg@88
|
284 |
protected void updateColumnWidth(int columnNumber, int width) {
|
franta-hg@39
|
285 |
int oldWidth = getColumnWidth(columnNumber);
|
franta-hg@39
|
286 |
setColumnWidth(columnNumber, Math.max(width, oldWidth));
|
franta-hg@39
|
287 |
|
franta-hg@39
|
288 |
}
|
franta-hg@39
|
289 |
|
franta-hg@39
|
290 |
protected String toString(Object value) {
|
franta-hg@39
|
291 |
final int width = getColumnWidth(getCurrentColumnsCount());
|
franta-hg@87
|
292 |
String result;
|
franta-hg@43
|
293 |
if (value instanceof Number || value instanceof Boolean) {
|
franta-hg@98
|
294 |
result = lpad(String.valueOf(value), width);
|
franta-hg@39
|
295 |
} else {
|
franta-hg@234
|
296 |
if (value instanceof SQLXML) {
|
franta-hg@234
|
297 |
// TODO: move to a common method, share with other formatters
|
franta-hg@234
|
298 |
try {
|
franta-hg@234
|
299 |
value = ((SQLXML) value).getString();
|
franta-hg@234
|
300 |
} catch (SQLException e) {
|
franta-hg@234
|
301 |
log.log(Level.SEVERE, "Unable to format XML", e);
|
franta-hg@234
|
302 |
}
|
franta-hg@234
|
303 |
}
|
franta-hg@234
|
304 |
|
franta-hg@98
|
305 |
result = rpad(String.valueOf(value), width);
|
franta-hg@39
|
306 |
}
|
franta-hg@40
|
307 |
// ? value = (boolean) value ? "✔" : "✗";
|
franta-hg@87
|
308 |
|
franta-hg@87
|
309 |
if (trimValues && result.length() > width) {
|
franta-hg@87
|
310 |
result = result.substring(0, width - 1) + "…";
|
franta-hg@87
|
311 |
}
|
franta-hg@87
|
312 |
|
franta-hg@87
|
313 |
return result;
|
franta-hg@34
|
314 |
}
|
franta-hg@34
|
315 |
|
franta-hg@34
|
316 |
@Override
|
franta-hg@255
|
317 |
public void writeStartRow() {
|
franta-hg@255
|
318 |
super.writeStartRow();
|
franta-hg@255
|
319 |
currentColumnsCount = 0;
|
franta-hg@255
|
320 |
}
|
franta-hg@255
|
321 |
|
franta-hg@255
|
322 |
@Override
|
franta-hg@34
|
323 |
public void writeEndRow() {
|
franta-hg@34
|
324 |
super.writeEndRow();
|
franta-hg@123
|
325 |
writeEndRowInternal();
|
franta-hg@123
|
326 |
}
|
franta-hg@123
|
327 |
|
franta-hg@123
|
328 |
public void writeEndRowInternal() {
|
franta-hg@34
|
329 |
out.println();
|
franta-hg@34
|
330 |
out.flush();
|
franta-hg@32
|
331 |
}
|
franta-hg@37
|
332 |
|
franta-hg@37
|
333 |
@Override
|
franta-hg@37
|
334 |
public void writeEndResultSet() {
|
franta-hg@40
|
335 |
int columnCount = getCurrentColumnsHeader().getColumnCount();
|
franta-hg@37
|
336 |
super.writeEndResultSet();
|
franta-hg@40
|
337 |
|
franta-hg@40
|
338 |
printTableIndent();
|
franta-hg@40
|
339 |
printTableBorder("╰");
|
franta-hg@40
|
340 |
for (int i = 1; i <= columnCount; i++) {
|
franta-hg@40
|
341 |
if (i > 1) {
|
franta-hg@40
|
342 |
printTableBorder("┴");
|
franta-hg@40
|
343 |
}
|
franta-hg@40
|
344 |
printTableBorder(repeat('─', getColumnWidth(i) + 2));
|
franta-hg@40
|
345 |
}
|
franta-hg@40
|
346 |
printTableBorder("╯");
|
franta-hg@40
|
347 |
out.println();
|
franta-hg@40
|
348 |
|
franta-hg@88
|
349 |
cleanColumnWidths();
|
franta-hg@40
|
350 |
|
franta-hg@37
|
351 |
out.print(TerminalColor.Yellow, "Record count: ");
|
franta-hg@37
|
352 |
out.println(getCurrentRowCount());
|
franta-hg@40
|
353 |
out.bell();
|
franta-hg@37
|
354 |
out.flush();
|
franta-hg@37
|
355 |
}
|
franta-hg@37
|
356 |
|
franta-hg@37
|
357 |
@Override
|
franta-hg@142
|
358 |
public void writeUpdatesResult(int updatedRowsCount) {
|
franta-hg@142
|
359 |
super.writeUpdatesResult(updatedRowsCount);
|
franta-hg@37
|
360 |
printResultSeparator();
|
franta-hg@37
|
361 |
out.print(TerminalColor.Red, "Updated records: ");
|
franta-hg@37
|
362 |
out.println(updatedRowsCount);
|
franta-hg@40
|
363 |
out.bell();
|
franta-hg@37
|
364 |
out.flush();
|
franta-hg@37
|
365 |
}
|
franta-hg@37
|
366 |
|
franta-hg@37
|
367 |
@Override
|
franta-hg@37
|
368 |
public void writeEndDatabase() {
|
franta-hg@37
|
369 |
super.writeEndDatabase();
|
franta-hg@37
|
370 |
out.flush();
|
franta-hg@37
|
371 |
}
|
franta-hg@37
|
372 |
|
franta-hg@37
|
373 |
private void printResultSeparator() {
|
franta-hg@37
|
374 |
if (firstResult) {
|
franta-hg@37
|
375 |
firstResult = false;
|
franta-hg@37
|
376 |
} else {
|
franta-hg@37
|
377 |
out.println();
|
franta-hg@37
|
378 |
}
|
franta-hg@37
|
379 |
}
|
franta-hg@40
|
380 |
|
franta-hg@123
|
381 |
protected void printTableBorder(String border) {
|
franta-hg@76
|
382 |
if (asciiNostalgia) {
|
franta-hg@76
|
383 |
border = border.replaceAll("─", "-");
|
franta-hg@76
|
384 |
border = border.replaceAll("│", "|");
|
franta-hg@76
|
385 |
border = border.replaceAll("[╭┬╮├┼┤╰┴╯]", "+");
|
franta-hg@76
|
386 |
}
|
franta-hg@87
|
387 |
|
franta-hg@40
|
388 |
out.print(TerminalColor.Green, border);
|
franta-hg@40
|
389 |
}
|
franta-hg@40
|
390 |
|
franta-hg@123
|
391 |
protected void printTableIndent() {
|
franta-hg@40
|
392 |
out.print(" ");
|
franta-hg@40
|
393 |
}
|
franta-hg@224
|
394 |
|
franta-hg@224
|
395 |
/**
|
franta-hg@224
|
396 |
* @return whether should print only ASCII characters instead of unlimited Unicode.
|
franta-hg@224
|
397 |
*/
|
franta-hg@224
|
398 |
protected boolean isAsciiNostalgia() {
|
franta-hg@224
|
399 |
return asciiNostalgia;
|
franta-hg@224
|
400 |
}
|
franta-hg@32
|
401 |
}
|