jooq/jOOQ/src/main/java/org/jooq/impl/AbstractResult.java

1390 lines
49 KiB
Java

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package org.jooq.impl;
import static java.lang.Math.max;
import static java.lang.Math.min;
import static java.util.stream.Collectors.joining;
import static org.jooq.XMLFormat.RecordFormat.COLUMN_NAME_ELEMENTS;
import static org.jooq.XMLFormat.RecordFormat.VALUE_ELEMENTS_WITH_FIELD_ATTRIBUTE;
import static org.jooq.conf.SettingsTools.renderLocale;
import static org.jooq.impl.DSL.insertInto;
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.DSL.table;
import static org.jooq.tools.StringUtils.abbreviate;
import static org.jooq.tools.StringUtils.leftPad;
import static org.jooq.tools.StringUtils.rightPad;
import java.io.StringReader;
import java.io.Writer;
import java.sql.Date;
import java.sql.Timestamp;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Deque;
import java.util.Iterator;
import java.util.List;
import java.util.TreeMap;
import java.util.stream.Stream;
import javax.xml.bind.DatatypeConverter;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.jooq.CSVFormat;
import org.jooq.ChartFormat;
import org.jooq.ChartFormat.Display;
import org.jooq.Configuration;
import org.jooq.Constants;
import org.jooq.Cursor;
import org.jooq.DSLContext;
import org.jooq.DataType;
import org.jooq.EnumType;
import org.jooq.Field;
import org.jooq.Fields;
import org.jooq.Formattable;
import org.jooq.JSON;
import org.jooq.JSONB;
import org.jooq.JSONFormat;
import org.jooq.Name;
import org.jooq.Param;
import org.jooq.Record;
import org.jooq.Result;
import org.jooq.Row;
import org.jooq.Schema;
import org.jooq.TXTFormat;
import org.jooq.Table;
import org.jooq.TableField;
import org.jooq.TableRecord;
import org.jooq.XML;
import org.jooq.XMLFormat;
import org.jooq.exception.IOException;
import org.jooq.tools.StringUtils;
import org.jooq.tools.json.JSONValue;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
import org.xml.sax.helpers.DefaultHandler;
/**
* @author Lukas Eder
*/
abstract class AbstractResult<R extends Record> extends AbstractFormattable implements FieldsTrait, Iterable<R> {
final AbstractRow<R> fields;
Configuration configuration;
AbstractResult(Configuration configuration, AbstractRow<R> row) {
this.configuration = configuration;
this.fields = row;
}
// -------------------------------------------------------------------------
// XXX: RecordType API of subtypes
// -------------------------------------------------------------------------
public final FieldsImpl<R> recordType() {
return fields.fields;
}
@Override
public final Row fieldsRow() {
return fields;
}
// -------------------------------------------------------------------------
// XXX: Formattable API
// -------------------------------------------------------------------------
@Override
public final void format(Writer writer, TXTFormat format) {
try {
// Numeric columns have greater max width because values are aligned
final int NUM_COL_MAX_WIDTH = format.maxColWidth() == Integer.MAX_VALUE ? Integer.MAX_VALUE : 2 * format.maxColWidth();
// The max number of records that will be considered for formatting purposes
final int MAX_RECORDS = min(50, format.maxRows());
final Deque<R> buffer = new ArrayDeque<>();
final Iterator<R> it = iterator();
// Buffer some rows for formatting purposes
for (int i = 0; i < MAX_RECORDS && it.hasNext(); i++)
buffer.offer(it.next());
// Get max decimal places for numeric type columns
int size = fields.size();
final int[] decimalPlaces = new int[size];
final int[] widths = new int[size];
for (int index = 0; index < size; index++) {
if (Number.class.isAssignableFrom(fields.field(index).getType())) {
List<Integer> decimalPlacesList = new ArrayList<>(1 + buffer.size());
// Initialize
decimalPlacesList.add(0);
// Collect all decimal places for the column values
for (R record : buffer)
decimalPlacesList.add(decimalPlaces(format0(record.get(index), record.changed(index), true)));
// Find max
decimalPlaces[index] = Collections.max(decimalPlacesList);
}
}
// Get max column widths
int colMaxWidth;
for (int index = 0; index < size; index++) {
// Is number column?
boolean isNumCol = Number.class.isAssignableFrom(fields.field(index).getType());
colMaxWidth = isNumCol ? NUM_COL_MAX_WIDTH : format.maxColWidth();
// Collect all widths for the column
List<Integer> widthList = new ArrayList<>(1 + buffer.size());
// Add column name width first
widthList.add(min(colMaxWidth, max(format.minColWidth(), fields.field(index).getName().length())));
// Add column values width
for (R record : buffer) {
String value = format0(record.get(index), record.changed(index), true);
// Align number values before width is calculated
if (isNumCol)
value = alignNumberValue(decimalPlaces[index], value);
widthList.add(min(colMaxWidth, value.length()));
}
// Find max
widths[index] = Collections.max(widthList);
}
// Begin the writing
// ---------------------------------------------------------------------
// Write top line
if (format.horizontalTableBorder())
formatHorizontalLine(writer, format, widths);
// Write headers
if (format.verticalTableBorder())
writer.append('|');
for (int index = 0; index < size; index++) {
if (index > 0)
if (format.verticalCellBorder())
writer.append('|');
else
writer.append(' ');
String padded;
if (Number.class.isAssignableFrom(fields.field(index).getType()))
padded = leftPad(fields.field(index).getName(), widths[index]);
else
padded = rightPad(fields.field(index).getName(), widths[index]);
writer.append(abbreviate(padded, widths[index]));
}
if (format.verticalTableBorder())
writer.append('|');
writer.append('\n');
// Write separator
if (format.horizontalHeaderBorder())
formatHorizontalLine(writer, format, widths);
// Write records
int i;
recordLoop:
for (i = 0; i < format.maxRows(); i++) {
R record = buffer.pollFirst();
if (record == null)
if (it.hasNext())
record = it.next();
else
break recordLoop;
// Write separator
if (i > 0 && format.horizontalCellBorder())
formatHorizontalLine(writer, format, widths);
if (format.verticalTableBorder())
writer.append('|');
for (int index = 0; index < size; index++) {
if (index > 0)
if (format.verticalCellBorder())
writer.append('|');
else
writer.append(' ');
String value =
StringUtils.replace(
StringUtils.replace(
StringUtils.replace(
format0(record.get(index), record.changed(index), true), "\n", "{lf}"
), "\r", "{cr}"
), "\t", "{tab}"
);
String padded;
if (Number.class.isAssignableFrom(fields.field(index).getType())) {
// Align number value before left pad
value = alignNumberValue(decimalPlaces[index], value);
// Left pad
padded = leftPad(value, widths[index]);
}
else {
// Right pad
padded = rightPad(value, widths[index]);
}
writer.append(abbreviate(padded, widths[index]));
}
if (format.verticalTableBorder())
writer.append('|');
writer.append('\n');
}
// Write bottom line
if (format.horizontalTableBorder() && i > 0)
formatHorizontalLine(writer, format, widths);
// Write truncation message, if applicable
if (it.hasNext()) {
if (format.verticalTableBorder())
writer.append('|');
writer.append("...record(s) truncated...\n");
}
writer.flush();
}
catch (java.io.IOException e) {
throw new IOException("Exception while writing TEXT", e);
}
}
private final void formatHorizontalLine(Writer writer, TXTFormat format, final int[] widths) throws java.io.IOException {
if (format.verticalTableBorder())
if (format.intersectLines())
writer.append('+');
else
writer.append('-');
int size = fields.size();
for (int index = 0; index < size; index++) {
if (index > 0)
if (format.verticalCellBorder())
if (format.intersectLines())
writer.append('+');
else
writer.append('-');
else
writer.append(' ');
writer.append(rightPad("", widths[index], "-"));
}
if (format.verticalTableBorder())
if (format.intersectLines())
writer.append('+');
else
writer.append('-');
writer.append('\n');
}
private static final String alignNumberValue(Integer columnDecimalPlaces, String value) {
if (!"{null}".equals(value) && columnDecimalPlaces != 0) {
int decimalPlaces = decimalPlaces(value);
int rightPadSize = value.length() + columnDecimalPlaces - decimalPlaces;
if (decimalPlaces == 0) {
// If integer value, add one for decimal point
value = rightPad(value, rightPadSize + 1);
}
else {
value = rightPad(value, rightPadSize);
}
}
return value;
}
private static final int decimalPlaces(String value) {
int decimalPlaces = 0;
int dotIndex = value.indexOf(".");
if (dotIndex != -1)
decimalPlaces = value.length() - dotIndex - 1;
return decimalPlaces;
}
@Override
public final void formatCSV(Writer writer, CSVFormat format) {
try {
if (format.header()) {
String sep1 = "";
for (Field<?> field : fields.fields.fields) {
writer.append(sep1);
writer.append(formatCSV0(field.getName(), format));
sep1 = format.delimiter();
}
writer.append(format.newline());
}
for (Record record : this) {
String sep2 = "";
int size = fields.size();
for (int index = 0; index < size; index++) {
writer.append(sep2);
writer.append(formatCSV0(record.getValue(index), format));
sep2 = format.delimiter();
}
writer.append(format.newline());
}
writer.flush();
}
catch (java.io.IOException e) {
throw new IOException("Exception while writing CSV", e);
}
}
private final String formatCSV0(Object value, CSVFormat format) {
// [#2741] TODO: This logic will be externalised in new SPI
// [#4746] Escape null and empty strings
if (value == null)
return format.nullString();
if ("".equals(value.toString()))
return format.emptyString();
// [#7802] Nested records should generate nested CSV data structures
String result = (value instanceof Formattable)
? ((Formattable) value).formatCSV(format)
: format0(value, false, false);
switch (format.quote()) {
case NEVER:
return result;
case SPECIAL_CHARACTERS:
if (!StringUtils.containsAny(result, ',', ';', '\t', '"', '\n', '\r', '\'', '\\'))
return result;
// no break
case ALWAYS:
default:
return format.quoteString()
+ StringUtils.replace(
StringUtils.replace(
result, "\\", "\\\\"
), format.quoteString(), format.quoteString() + format.quoteString()
)
+ format.quoteString();
}
}
@Override
final JSONFormat defaultJSONFormat() {
return JSONFormat.DEFAULT_FOR_RESULTS;
}
@Override
public final void formatJSON(Writer writer, JSONFormat format) {
try {
String separator;
int recordLevel = format.header() ? 2 : 1;
boolean hasRecords = false;
if (format.header()) {
if (format.format())
writer.append('{').append(format.newline())
.append(format.indentString(1)).append("\"fields\": [");
else
writer.append("{\"fields\":[");
separator = "";
for (Field<?> field : fields.fields.fields) {
writer.append(separator);
if (format.format())
writer.append(format.newline()).append(format.indentString(2));
writer.append('{');
if (format.format())
writer.append(format.newline()).append(format.indentString(3));
if (field instanceof TableField) {
Table<?> table = ((TableField<?, ?>) field).getTable();
if (table != null) {
Schema schema = table.getSchema();
if (schema != null) {
writer.append("\"schema\":");
if (format.format())
writer.append(' ');
JSONValue.writeJSONString(schema.getName(), writer);
writer.append(',');
if (format.format())
writer.append(format.newline()).append(format.indentString(3));
}
writer.append("\"table\":");
if (format.format())
writer.append(' ');
JSONValue.writeJSONString(table.getName(), writer);
writer.append(',');
if (format.format())
writer.append(format.newline()).append(format.indentString(3));
}
}
writer.append("\"name\":");
if (format.format())
writer.append(' ');
JSONValue.writeJSONString(field.getName(), writer);
writer.append(',');
if (format.format())
writer.append(format.newline()).append(format.indentString(3));
writer.append("\"type\":");
if (format.format())
writer.append(' ');
JSONValue.writeJSONString(field.getDataType().getTypeName().toUpperCase(renderLocale(configuration.settings())), writer);
if (format.format())
writer.append(format.newline()).append(format.indentString(2));
writer.append('}');
separator = ",";
}
if (format.format())
writer.append(format.newline()).append(format.indentString(1)).append("],")
.append(format.newline()).append(format.indentString(1)).append("\"records\": ");
else
writer.append("],\"records\":");
}
writer.append('[');
separator = "";
switch (format.recordFormat()) {
case ARRAY:
for (Record record : this) {
hasRecords = true;
writer.append(separator);
if (format.format())
writer.append(format.newline());
formatJSONArray0(record, fields, format, recordLevel, writer);
separator = ",";
}
break;
case OBJECT:
for (Record record : this) {
hasRecords = true;
writer.append(separator);
if (format.format())
writer.append(format.newline());
formatJSONMap0(record, fields, format, recordLevel, writer);
separator = ",";
}
break;
default:
throw new IllegalArgumentException("Format not supported: " + format);
}
if (format.format() && hasRecords) {
writer.append(format.newline());
if (format.header())
writer.append(format.indentString(1));
else
writer.append(format.indentString(0));
}
writer.append(']');
if (format.header()) {
if (format.format())
writer.append(format.newline()).append(format.indentString(0));
writer.append('}');
}
writer.flush();
}
catch (java.io.IOException e) {
throw new IOException("Exception while writing JSON", e);
}
}
private static final void formatJSON0(Object value, Writer writer, JSONFormat format) throws java.io.IOException {
// [#2741] TODO: This logic will be externalised in new SPI
if (value instanceof byte[]) {
JSONValue.writeJSONString(DatatypeConverter.printBase64Binary((byte[]) value), writer);
}
// [#6563] Arrays can be serialised natively in JSON
else if (value instanceof Object[]) {
Object[] array = (Object[]) value;
writer.append('[');
for (int i = 0; i < array.length; i++) {
if (i > 0)
writer.append(',');
formatJSON0(array[i], writer, format);
}
writer.append(']');
}
// [#7782] Nested records should generate nested JSON data structures
else if (value instanceof Formattable) {
((Formattable) value).formatJSON(writer, format);
}
else if (value instanceof JSON && !format.quoteNested()) {
writer.write(((JSON) value).data());
}
else if (value instanceof JSONB && !format.quoteNested()) {
writer.write(((JSONB) value).data());
}
else {
JSONValue.writeJSONString(value, writer);
}
}
static final void formatJSONMap0(
Record record,
AbstractRow<?> fields,
JSONFormat format,
int recordLevel,
Writer writer
) throws java.io.IOException {
String separator = "";
int size = fields.size();
boolean wrapRecords = format.wrapSingleColumnRecords() || size > 1;
if (format.format())
writer.append(format.indentString(recordLevel));
if (wrapRecords)
writer.append('{');
for (int index = 0; index < size; index++) {
writer.append(separator);
if (format.format())
if (size > 1)
writer.append(format.newline()).append(format.indentString(recordLevel + 1));
else if (format.wrapSingleColumnRecords())
writer.append(' ');
if (wrapRecords) {
JSONValue.writeJSONString(record.field(index).getName(), writer);
writer.append(':');
if (format.format())
writer.append(' ');
}
formatJSON0(record.get(index), writer, format.globalIndent(format.globalIndent() + format.indent() * (recordLevel + 1)));
if (format.format() && format.wrapSingleColumnRecords() && size == 1)
writer.append(' ');
separator = ",";
}
if (wrapRecords)
if (format.format() && size > 1)
writer.append(format.newline()).append(format.indentString(recordLevel)).append('}');
else
writer.append('}');
}
static final void formatJSONArray0(
Record record,
AbstractRow<?> fields,
JSONFormat format,
int recordLevel,
Writer writer
) throws java.io.IOException {
String separator = "";
int size = fields.size();
boolean wrapRecords = format.wrapSingleColumnRecords() || size > 1;
if (format.format())
writer.append(format.indentString(recordLevel));
if (wrapRecords)
writer.append('[');
for (int index = 0; index < size; index++) {
writer.append(separator);
if (format.format())
if (size > 1)
writer.append(format.newline()).append(format.indentString(recordLevel + 1));
else if (format.wrapSingleColumnRecords())
writer.append(' ');
formatJSON0(record.get(index), writer, format.globalIndent(format.globalIndent() + format.indent() * (recordLevel + 1)));
if (format.format() && format.wrapSingleColumnRecords() && size == 1)
writer.append(' ');
separator = ",";
}
if (wrapRecords)
if (format.format() && size > 1)
writer.append(format.newline()).append(format.indentString(recordLevel)).append(']');
else
writer.append(']');
}
@Override
final XMLFormat defaultXMLFormat() {
return XMLFormat.DEFAULT_FOR_RESULTS;
}
@Override
public final void formatXML(Writer writer, XMLFormat format) {
String newline = format.newline();
int recordLevel = format.header() ? 2 : 1;
try {
writer.append("<result");
if (format.xmlns()) {
format = format.xmlns(false);
writer.append(" xmlns=\"" + Constants.NS_EXPORT + "\"");
}
writer.append(">");
if (format.header()) {
writer.append(newline).append(format.indentString(1)).append("<fields>");
for (Field<?> field : fields.fields.fields) {
writer.append(newline).append(format.indentString(2)).append("<field");
if (field instanceof TableField) {
Table<?> table = ((TableField<?, ?>) field).getTable();
if (table != null) {
Schema schema = table.getSchema();
if (schema != null) {
writer.append(" schema=\"");
writer.append(escapeXML(schema.getName()));
writer.append("\"");
}
writer.append(" table=\"");
writer.append(escapeXML(table.getName()));
writer.append("\"");
}
}
writer.append(" name=\"");
writer.append(escapeXML(field.getName()));
writer.append("\"");
writer.append(" type=\"");
writer.append(field.getDataType().getTypeName().toUpperCase(renderLocale(configuration.settings())));
writer.append("\"/>");
}
writer.append(newline).append(format.indentString(1)).append("</fields>");
writer.append(newline).append(format.indentString(1)).append("<records>");
}
for (Record record : this) {
writer.append(newline).append(format.indentString(recordLevel));
formatXMLRecord(writer, format, recordLevel, record, fields);
}
if (format.header())
writer.append(newline).append(format.indentString(1)).append("</records>");
writer.append(newline).append(format.indentString(0)).append("</result>");
writer.flush();
}
catch (java.io.IOException e) {
throw new IOException("Exception while writing XML", e);
}
}
static final void formatXMLRecord(
Writer writer,
XMLFormat format,
int recordLevel,
Record record,
AbstractRow<?> fields
)
throws java.io.IOException {
String newline = format.newline();
writer.append("<record");
if (format.xmlns()) {
format = format.xmlns(false);
writer.append(" xmlns=\"" + Constants.NS_EXPORT + "\"");
}
writer.append(">");
int size = fields.size();
for (int index = 0; index < size; index++) {
Object value = record.get(index);
writer.append(newline).append(format.indentString(recordLevel + 1));
String tag = format.recordFormat() == COLUMN_NAME_ELEMENTS
? escapeXML(fields.field(index).getName())
: "value";
writer.append("<" + tag);
if (format.recordFormat() == VALUE_ELEMENTS_WITH_FIELD_ATTRIBUTE) {
writer.append(" field=\"");
writer.append(escapeXML(fields.field(index).getName()));
writer.append("\"");
}
if (value == null) {
writer.append("/>");
}
else {
writer.append(">");
if (value instanceof Formattable) {
writer.append(newline).append(format.indentString(recordLevel + 2));
((Formattable) value).formatXML(writer, format.globalIndent(format.globalIndent() + format.indent() * (recordLevel + 2)));
writer.append(newline).append(format.indentString(recordLevel + 1));
}
else if (value instanceof XML && !format.quoteNested())
writer.append(((XML) value).data());
else
writer.append(escapeXML(format0(value, false, false)));
writer.append("</" + tag + ">");
}
}
writer.append(newline).append(format.indentString(recordLevel)).append("</record>");
}
@SuppressWarnings("unchecked")
@Override
public final void formatChart(Writer writer, ChartFormat format) {
Result<R> result;
if (this instanceof Result)
result = (Result<R>) this;
else if (this instanceof Cursor)
result = ((Cursor<R>) this).fetch();
else
throw new IllegalStateException();
try {
DSLContext ctx = configuration.dsl();
Field<?> category = fields.field(format.category());
TreeMap<Object, Result<R>> groups = new TreeMap<>(result.intoGroups(format.category()));
if (!format.categoryAsText()) {
if (Date.class.isAssignableFrom(category.getType())) {
Date categoryMin = (Date) groups.firstKey();
Date categoryMax = (Date) groups.lastKey();
for (Date i = categoryMin; i.before(categoryMax); i = new Date(i.getYear(), i.getMonth(), i.getDate() + 1))
if (!groups.containsKey(i))
groups.put(i, (Result<R>) ctx.newResult(fields.fields.fields));
}
}
List<?> categories = new ArrayList<>(groups.keySet());
int categoryPadding = 1;
int categoryWidth = 0;
for (Object o : categories)
categoryWidth = Math.max(categoryWidth, ("" + o).length());
double axisMin = Double.POSITIVE_INFINITY;
double axisMax = Double.NEGATIVE_INFINITY;
for (Result<R> values : groups.values()) {
double sum = 0;
for (int i = 0; i < format.values().length; i++) {
if (format.display() == Display.DEFAULT)
sum = 0;
for (Record r : values)
sum = sum + r.get(format.values()[i], double.class);
if (sum < axisMin)
axisMin = sum;
if (sum > axisMax)
axisMax = sum;
}
}
int verticalLegendWidth = format.showVerticalLegend()
? Math.max(
format.numericFormat().format(axisMin).length(),
format.numericFormat().format(axisMax).length()
)
: 0;
int horizontalLegendHeight = format.showHorizontalLegend() ? 1 : 0;
int verticalBorderWidth = format.showVerticalLegend() ? 1 : 0;
int horizontalBorderHeight = format.showHorizontalLegend() ? 1 : 0;
int chartHeight = format.height() - horizontalLegendHeight - horizontalBorderHeight;
int chartWidth = format.width() - verticalLegendWidth - verticalBorderWidth;
double barWidth = (double) chartWidth / groups.size();
double axisStep = (axisMax - axisMin) / (chartHeight - 1);
for (int y = chartHeight - 1; y >= 0; y--) {
double axisLegend = axisMax - (axisStep * (chartHeight - 1 - y));
double axisLegendPercent = (axisLegend - axisMin) / (axisMax - axisMin);
if (format.showVerticalLegend()) {
String axisLegendString = (format.display() == Display.HUNDRED_PERCENT_STACKED)
? format.numericFormat().format(axisLegendPercent * 100.0) + "%"
: format.numericFormat().format(axisLegend);
for (int x = axisLegendString.length(); x < verticalLegendWidth; x++)
writer.write(' ');
writer.write(axisLegendString);
for (int x = 0; x < verticalBorderWidth; x++)
writer.write('|');
}
for (int x = 0; x < chartWidth; x++) {
int index = (int) (x / barWidth);
Result<R> group = groups.get(categories.get(index));
double[] values = new double[format.values().length];
for (Record record : group)
for (int i = 0; i < values.length; i++)
values[i] = values[i] + record.get(format.values()[i], double.class);
if (format.display() == Display.STACKED || format.display() == Display.HUNDRED_PERCENT_STACKED)
for (int i = 1; i < values.length; i++)
values[i] = values[i] + values[i - 1];
if (format.display() == Display.HUNDRED_PERCENT_STACKED)
for (int i = 0; i < values.length; i++)
values[i] = values[i] / values[values.length - 1];
int shadeIndex = -1;
for (int i = values.length - 1; i >= 0; i--)
if ((format.display() == Display.HUNDRED_PERCENT_STACKED ? axisLegendPercent : axisLegend) > values[i])
break;
else
shadeIndex = i;
if (shadeIndex == -1)
writer.write(' ');
else
writer.write(format.shades()[shadeIndex % format.shades().length]);
}
writer.write(format.newline());
}
if (format.showHorizontalLegend()) {
for (int y = 0; y < horizontalBorderHeight; y++) {
if (format.showVerticalLegend()) {
for (int x = 0; x < verticalLegendWidth; x++)
writer.write('-');
for (int x = 0; x < verticalBorderWidth; x++)
writer.write('+');
}
for (int x = 0; x < chartWidth; x++)
writer.write('-');
writer.write(format.newline());
}
for (int y = 0; y < horizontalLegendHeight; y++) {
if (format.showVerticalLegend()) {
for (int x = 0; x < verticalLegendWidth; x++)
writer.write(' ');
for (int x = 0; x < verticalBorderWidth; x++)
writer.write('|');
}
double rounding = 0.0;
for (double x = 0.0; x < chartWidth;) {
String label = "" + categories.get((int) (x / barWidth));
int length = label.length();
double padding = Math.max(categoryPadding, (barWidth - length) / 2);
rounding = (rounding + padding - Math.floor(padding)) % 1;
x = x + (padding + rounding);
for (int i = 0; i < (int) (padding + rounding); i++)
writer.write(' ');
x = x + length;
if (x >= chartWidth)
break;
writer.write(label);
rounding = (rounding + padding - Math.floor(padding)) % 1;
x = x + (padding + rounding);
for (int i = 0; i < (int) (padding + rounding); i++)
writer.write(' ');
}
writer.write(format.newline());
}
}
}
catch (java.io.IOException e) {
throw new IOException("Exception while writing Chart", e);
}
}
@Override
public final void formatInsert(Writer writer) {
formatInsert(writer, null, fields.fields.fields);
}
@Override
public final void formatInsert(Writer writer, Table<?> table, Field<?>... f) {
DSLContext ctx = configuration.dsl();
try {
for (R record : this) {
if (table == null)
if (record instanceof TableRecord)
table = ((TableRecord<?>) record).getTable();
else
table = table(name("UNKNOWN_TABLE"));
writer.append(ctx.renderInlined(insertInto(table, f).values(record.intoArray())))
.append(";\n");
}
writer.flush();
}
catch (java.io.IOException e) {
throw new IOException("Exception while writing INSERTs", e);
}
}
@Override
public final void formatHTML(Writer writer) {
try {
writer.append("<table>");
writer.append("<thead>");
writer.append("<tr>");
for (Field<?> field : fields.fields.fields) {
writer.append("<th>");
writer.append(escapeXML(field.getName()));
writer.append("</th>");
}
writer.append("</tr>");
writer.append("</thead>");
writer.append("<tbody>");
for (Record record : this) {
writer.append("<tr>");
int size = fields.size();
for (int index = 0; index < size; index++) {
writer.append("<td>");
writer.append(escapeXML(format0(record.getValue(index), false, true)));
writer.append("</td>");
}
writer.append("</tr>");
}
writer.append("</tbody>");
writer.append("</table>");
writer.flush();
}
catch (java.io.IOException e) {
throw new IOException("Exception while writing HTML", e);
}
}
@Override
public final Document intoXML(XMLFormat format) {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.newDocument();
Element eResult = document.createElement("result");
if (format.xmlns())
eResult.setAttribute("xmlns", Constants.NS_EXPORT);
document.appendChild(eResult);
Element eRecordParent = eResult;
if (format.header()) {
Element eFields = document.createElement("fields");
eResult.appendChild(eFields);
for (Field<?> field : fields.fields.fields) {
Element eField = document.createElement("field");
if (field instanceof TableField<?, ?>) {
Table<?> table = ((TableField<?, ?>) field).getTable();
if (table != null) {
Schema schema = table.getSchema();
if (schema != null) {
eField.setAttribute("schema", schema.getName());
}
eField.setAttribute("table", table.getName());
}
}
eField.setAttribute("name", field.getName());
eField.setAttribute("type", field.getDataType().getTypeName().toUpperCase(renderLocale(configuration.settings())));
eFields.appendChild(eField);
}
Element eRecords = document.createElement("records");
eResult.appendChild(eRecords);
eRecordParent = eRecords;
}
for (Record record : this) {
Element eRecord = document.createElement("record");
eRecordParent.appendChild(eRecord);
int size = fields.size();
for (int index = 0; index < size; index++) {
Field<?> field = fields.field(index);
Object value = record.get(index);
String tag = format.recordFormat() == COLUMN_NAME_ELEMENTS
? escapeXML(fields.field(index).getName())
: "value";
Element eValue = document.createElement(tag);
if (format.recordFormat() == VALUE_ELEMENTS_WITH_FIELD_ATTRIBUTE)
eValue.setAttribute("field", field.getName());
eRecord.appendChild(eValue);
if (value != null)
if (value instanceof XML && !format.quoteNested())
eValue.appendChild(createContent(builder, document, ((XML) value).data()));
else
eValue.setTextContent(format0(value, false, false));
}
}
return document;
}
catch (ParserConfigurationException ignore) {
throw new RuntimeException(ignore);
}
}
// Taken from JOOX Util.createContent()
static final DocumentFragment createContent(DocumentBuilder builder, Document doc, String text) {
// [#150] Text might hold XML content, which can be leniently identified by the presence
// of either < or & characters (other entities, like >, ", ' are not stricly XML content)
if (text != null && (text.contains("<") || text.contains("&"))) {
// [#162] Prevent log output
builder.setErrorHandler(new DefaultHandler());
try {
// [#128] Trimming will get rid of leading and trailing whitespace, which would
// otherwise cause a HIERARCHY_REQUEST_ERR raised by the parser
text = text.trim();
// There is a processing instruction. We can safely assume
// valid XML and parse it as such
if (text.startsWith("<?xml")) {
Document parsed = builder.parse(new InputSource(new StringReader(text)));
DocumentFragment fragment = parsed.createDocumentFragment();
fragment.appendChild(parsed.getDocumentElement());
return (DocumentFragment) doc.importNode(fragment, true);
}
// Any XML document fragment. To be on the safe side, fragments
// are wrapped in a dummy root node
else {
String wrapped = "<dummy>" + text + "</dummy>";
Document parsed = builder.parse(new InputSource(new StringReader(wrapped)));
DocumentFragment fragment = parsed.createDocumentFragment();
NodeList children = parsed.getDocumentElement().getChildNodes();
// appendChild removes children also from NodeList!
while (children.getLength() > 0) {
fragment.appendChild(children.item(0));
}
return (DocumentFragment) doc.importNode(fragment, true);
}
}
// This does not occur
catch (java.io.IOException ignore) {}
// The XML content is invalid
catch (SAXException ignore) {}
}
// Plain text or invalid XML
return null;
}
@Override
public final <H extends ContentHandler> H intoXML(H handler, XMLFormat format) throws SAXException {
Attributes empty = new AttributesImpl();
handler.startDocument();
if (format.xmlns())
handler.startPrefixMapping("", Constants.NS_EXPORT);
handler.startElement("", "", "result", empty);
if (format.header()) {
handler.startElement("", "", "fields", empty);
for (Field<?> field : fields.fields.fields) {
AttributesImpl attrs = new AttributesImpl();
if (field instanceof TableField<?, ?>) {
Table<?> table = ((TableField<?, ?>) field).getTable();
if (table != null) {
Schema schema = table.getSchema();
if (schema != null) {
attrs.addAttribute("", "", "schema", "CDATA", schema.getName());
}
attrs.addAttribute("", "", "table", "CDATA", table.getName());
}
}
attrs.addAttribute("", "", "name", "CDATA", field.getName());
attrs.addAttribute("", "", "type", "CDATA", field.getDataType().getTypeName().toUpperCase(renderLocale(configuration.settings())));
handler.startElement("", "", "field", attrs);
handler.endElement("", "", "field");
}
handler.endElement("", "", "fields");
handler.startElement("", "", "records", empty);
}
for (Record record : this) {
handler.startElement("", "", "record", empty);
int size = fields.size();
for (int index = 0; index < size; index++) {
Field<?> field = fields.field(index);
Object value = record.get(index);
String tag = format.recordFormat() == COLUMN_NAME_ELEMENTS
? escapeXML(fields.field(index).getName())
: "value";
AttributesImpl attrs = new AttributesImpl();
if (format.recordFormat() == VALUE_ELEMENTS_WITH_FIELD_ATTRIBUTE)
attrs.addAttribute("", "", "field", "CDATA", field.getName());
handler.startElement("", "", tag, attrs);
if (value != null) {
char[] chars = format0(value, false, false).toCharArray();
handler.characters(chars, 0, chars.length);
}
handler.endElement("", "", tag);
}
handler.endElement("", "", "record");
}
if (format.header())
handler.endElement("", "", "records");
if (format.xmlns())
handler.endPrefixMapping("");
handler.endDocument();
return handler;
}
/**
* @param value The value to be formatted
* @param visual Whether the formatted output is to be consumed visually
* (HTML, TEXT) or by a machine (CSV, JSON, XML)
*/
private static final String format0(Object value, boolean changed, boolean visual) {
// [#2741] TODO: This logic will be externalised in new SPI
String formatted = changed && visual ? "*" : "";
if (value == null) {
formatted += visual ? "{null}" : null;
}
else if (value.getClass() == byte[].class) {
formatted += DatatypeConverter.printBase64Binary((byte[]) value);
}
else if (value.getClass().isArray()) {
// [#6545] Nested arrays are handled recursively
formatted += Arrays.stream((Object[]) value).map(f -> format0(f, false, visual)).collect(joining(", ", "[", "]"));
}
else if (value instanceof EnumType) {
formatted += ((EnumType) value).getLiteral();
}
else if (value instanceof List) {
formatted += ((List<?>) value).stream().map(f -> format0(f, false, visual)).collect(joining(", ", "[", "]"));
}
else if (value instanceof Record) {
formatted += Arrays
.stream(((Record) value).valuesRow().fields())
.map(f -> format0(f, false, visual))
.collect(joining(", ", "(", ")"));
}
// [#6080] Support formatting of nested ROWs
else if (value instanceof Param) {
formatted += format0(((Param<?>) value).getValue(), false, visual);
}
// [#5238] Oracle DATE is really a TIMESTAMP(0)...
else if (value instanceof Date) {
String date = value.toString();
if (Date.valueOf(date).equals(value))
formatted += date;
else
formatted += new Timestamp(((Date) value).getTime());
}
else {
formatted += value.toString();
}
return formatted;
}
private static final String escapeXML(String string) {
return StringUtils.replaceEach(string,
new String[] { "\"", "'", "<", ">", "&" },
new String[] { "&quot;", "&apos;", "&lt;", "&gt;", "&amp;"});
}
}