author | František Kučera <franta-hg@frantovo.cz> |
Mon, 04 Mar 2019 20:15:24 +0100 | |
branch | v_0 |
changeset 238 | 4a1864c3e867 |
parent 233 | java/sql-dk/src/info/globalcode/sql/dk/formatting/XmlFormatter.java@0fb3b92e01c5 |
child 245 | b6ff5b7a8422 |
permissions | -rw-r--r-- |
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/** |
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* SQL-DK |
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* Copyright © 2013 František Kučera (frantovo.cz) |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package info.globalcode.sql.dk.formatting; |
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import info.globalcode.sql.dk.Parameter; |
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import info.globalcode.sql.dk.Xmlns; |
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import info.globalcode.sql.dk.configuration.DatabaseDefinition; |
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import static info.globalcode.sql.dk.Functions.notNull; |
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import info.globalcode.sql.dk.NamedParameter; |
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import info.globalcode.sql.dk.configuration.PropertyDeclaration; |
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import static info.globalcode.sql.dk.formatting.AbstractXmlFormatter.qname; |
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import java.sql.Array; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.SQLXML; |
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import java.util.ArrayList; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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import javax.xml.namespace.QName; |
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/** |
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* <p> |
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* Prints machine-readable output – XML document containing resultsets and updates count. Good |
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* choice for further processing – e.g. XSL transformation.</p> |
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* |
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* <p> |
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* TODO: XSD</p> |
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* |
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* @author Ing. František Kučera (frantovo.cz) |
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*/ |
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@PropertyDeclaration(name = XmlFormatter.PROPERTY_LABELED_COLUMNS, defaultValue = "false", type = Boolean.class, description = "whether to add 'label' attribute to each 'column' element") |
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public class XmlFormatter extends AbstractXmlFormatter { |
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public static final String NAME = "xml"; // bash-completion:formatter |
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public static final String PROPERTY_LABELED_COLUMNS = "labeledColumns"; |
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private static final Logger log = Logger.getLogger(XmlFormatter.class.getName()); |
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private final boolean labeledColumns; |
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public XmlFormatter(FormatterContext formatterContext) { |
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super(formatterContext); |
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labeledColumns = formatterContext.getProperties().getBoolean(PROPERTY_LABELED_COLUMNS, false); |
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} |
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@Override |
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public void writeStartBatch() { |
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super.writeStartBatch(); |
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printStartDocument(); |
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printStartElement(qname("batchResult"), singleAttribute(qname("xmlns"), Xmlns.BATCH_RESULT)); |
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} |
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@Override |
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public void writeEndBatch() { |
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super.writeEndBatch(); |
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printEndElement(); |
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printEndDocument(); |
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} |
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@Override |
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public void writeStartDatabase(DatabaseDefinition databaseDefinition) { |
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super.writeStartDatabase(databaseDefinition); |
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Map<QName, String> attributes = databaseDefinition.getName() == null ? null : singleAttribute(qname("name"), databaseDefinition.getName()); |
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printStartElement(qname("database"), attributes); |
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} |
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@Override |
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public void writeEndDatabase() { |
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super.writeEndDatabase(); |
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printEndElement(); |
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} |
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@Override |
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public void writeStartStatement() { |
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super.writeStartStatement(); |
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printStartElement(qname("statement")); |
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} |
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@Override |
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public void writeEndStatement() { |
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super.writeEndStatement(); |
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printEndElement(); |
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} |
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@Override |
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public void writeQuery(String sql) { |
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super.writeQuery(sql); |
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printTextElement(qname("sql"), null, sql); |
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} |
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@Override |
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public void writeParameters(List<? extends Parameter> parameters) { |
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super.writeParameters(parameters); |
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for (Parameter p : notNull(parameters)) { |
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Map<QName, String> attributes = new LinkedHashMap<>(2); |
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if (p instanceof NamedParameter) { |
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attributes.put(qname("name"), ((NamedParameter) p).getName()); |
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} |
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attributes.put(qname("type"), p.getType().name()); |
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printTextElement(qname("parameter"), attributes, String.valueOf(p.getValue())); |
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} |
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} |
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@Override |
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public void writeStartResultSet(ColumnsHeader header) { |
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super.writeStartResultSet(header); |
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printStartElement(qname("resultSet")); |
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for (ColumnDescriptor cd : header.getColumnDescriptors()) { |
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Map<QName, String> attributes = new LinkedHashMap<>(4); |
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attributes.put(qname("label"), cd.getLabel()); |
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attributes.put(qname("name"), cd.getName()); |
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attributes.put(qname("typeName"), cd.getTypeName()); |
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attributes.put(qname("type"), String.valueOf(cd.getType())); |
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printEmptyElement(qname("columnHeader"), attributes); |
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} |
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} |
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@Override |
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public void writeEndResultSet() { |
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super.writeEndResultSet(); |
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printEndElement(); |
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} |
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@Override |
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public void writeStartRow() { |
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super.writeStartRow(); |
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printStartElement(qname("row")); |
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} |
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@Override |
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public void writeColumnValue(Object value) { |
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super.writeColumnValue(value); |
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Map<QName, String> attributes = null; |
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if (labeledColumns) { |
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attributes = new LinkedHashMap<>(2); |
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attributes.put(qname("label"), getCurrentColumnsHeader().getColumnDescriptors().get(getCurrentColumnsCount() - 1).getLabel()); |
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} |
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|
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if (value == null) { |
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if (attributes == null) { |
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attributes = new LinkedHashMap<>(2); |
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} |
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attributes.put(qname("null"), "true"); |
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printEmptyElement(qname("column"), attributes); |
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} else if (value instanceof Array) { |
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168 |
|
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Array sqlArray = (Array) value; |
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try { |
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Object[] array = (Object[]) sqlArray.getArray(); |
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printStartElement(qname("column"), attributes); |
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printArray(array); |
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174 |
printEndElement(); |
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175 |
} catch (SQLException e) { |
233 | 176 |
// FIXME: rewrite array formatting, remember array mode, don't try sqlArray.getArray() again and again if it has failed |
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177 |
log.log(Level.SEVERE, "Unable to format array", e); |
233 | 178 |
try { |
179 |
ResultSet arrayResultSet = sqlArray.getResultSet(); |
|
180 |
//int columnCount = arrayResultSet.getMetaData().getColumnCount(); |
|
181 |
ArrayList<Object> arrayList = new ArrayList<>(); |
|
182 |
while (arrayResultSet.next()) { |
|
183 |
arrayList.add(arrayResultSet.getObject(2)); |
|
184 |
// for (int i = 1; i <= columnCount; i++) { |
|
185 |
// log.log(Level.INFO, "Array column {0} = {1}", new Object[]{i, arrayResultSet.getObject(i)}); |
|
186 |
// } |
|
187 |
} |
|
188 |
||
189 |
printStartElement(qname("column"), attributes); |
|
190 |
// FIXME: instanceof SQLXML, see below |
|
191 |
printArray(arrayList.toArray()); |
|
192 |
printEndElement(); |
|
193 |
||
194 |
} catch (SQLException e2) { |
|
195 |
// FIXME: fix logging, error recovery |
|
196 |
log.log(Level.SEVERE, "Second level fuck up !!!", e2); |
|
197 |
} |
|
198 |
||
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199 |
writeColumnValue(String.valueOf(value)); |
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200 |
} |
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201 |
|
233 | 202 |
} else if (value instanceof SQLXML) { // FIXME: move to separate method, to AbstractFormatter? |
225
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|
203 |
SQLXML xml = (SQLXML) value; |
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|
204 |
// TODO: parse DOM/SAX and transplant XML, don't escape (optional) |
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205 |
try { |
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206 |
printTextElement(qname("column"), attributes, xml.getString()); |
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207 |
} catch (SQLException e) { |
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208 |
log.log(Level.SEVERE, "Unable to format XML", e); |
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209 |
writeColumnValue(String.valueOf(value)); |
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|
210 |
} |
151
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211 |
} else { |
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212 |
printTextElement(qname("column"), attributes, toString(value)); |
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213 |
} |
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} |
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215 |
|
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216 |
private void printArray(Object[] array) { |
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printStartElement(qname("array")); |
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for (Object o : array) { |
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if (o instanceof Object[]) { |
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printStartElement(qname("item")); |
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printArray((Object[]) o); |
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printEndElement(); |
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} else { |
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224 |
printTextElement(qname("item"), null, String.valueOf(o)); |
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225 |
} |
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226 |
} |
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printEndElement(); |
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} |
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|
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@Override |
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public void writeEndRow() { |
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super.writeEndRow(); |
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printEndElement(); |
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} |
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@Override |
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public void writeUpdatesResult(int updatedRowsCount) { |
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super.writeUpdatesResult(updatedRowsCount); |
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printTextElement(qname("updatedRows"), null, String.valueOf(updatedRowsCount)); |
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} |
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protected String toString(Object value) { |
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return String.valueOf(value); |
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} |
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} |