java/sql-dk/src/info/globalcode/sql/dk/formatting/XmlFormatter.java
branchv_0
changeset 238 4a1864c3e867
parent 237 7e08730da258
child 239 39e6c2ad3571
     1.1 --- a/java/sql-dk/src/info/globalcode/sql/dk/formatting/XmlFormatter.java	Mon Mar 04 17:06:42 2019 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,245 +0,0 @@
     1.4 -/**
     1.5 - * SQL-DK
     1.6 - * Copyright © 2013 František Kučera (frantovo.cz)
     1.7 - *
     1.8 - * This program is free software: you can redistribute it and/or modify
     1.9 - * it under the terms of the GNU General Public License as published by
    1.10 - * the Free Software Foundation, either version 3 of the License, or
    1.11 - * (at your option) any later version.
    1.12 - *
    1.13 - * This program is distributed in the hope that it will be useful,
    1.14 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    1.16 - * GNU General Public License for more details.
    1.17 - *
    1.18 - * You should have received a copy of the GNU General Public License
    1.19 - * along with this program. If not, see <http://www.gnu.org/licenses/>.
    1.20 - */
    1.21 -package info.globalcode.sql.dk.formatting;
    1.22 -
    1.23 -import info.globalcode.sql.dk.Parameter;
    1.24 -import info.globalcode.sql.dk.Xmlns;
    1.25 -import info.globalcode.sql.dk.configuration.DatabaseDefinition;
    1.26 -import static info.globalcode.sql.dk.Functions.notNull;
    1.27 -import info.globalcode.sql.dk.NamedParameter;
    1.28 -import info.globalcode.sql.dk.configuration.PropertyDeclaration;
    1.29 -import static info.globalcode.sql.dk.formatting.AbstractXmlFormatter.qname;
    1.30 -import java.sql.Array;
    1.31 -import java.sql.ResultSet;
    1.32 -import java.sql.SQLException;
    1.33 -import java.sql.SQLXML;
    1.34 -import java.util.ArrayList;
    1.35 -import java.util.LinkedHashMap;
    1.36 -import java.util.List;
    1.37 -import java.util.Map;
    1.38 -import java.util.logging.Level;
    1.39 -import java.util.logging.Logger;
    1.40 -import javax.xml.namespace.QName;
    1.41 -
    1.42 -/**
    1.43 - * <p>
    1.44 - * Prints machine-readable output – XML document containing resultsets and updates count. Good
    1.45 - * choice for further processing – e.g. XSL transformation.</p>
    1.46 - *
    1.47 - * <p>
    1.48 - * TODO: XSD</p>
    1.49 - *
    1.50 - * @author Ing. František Kučera (frantovo.cz)
    1.51 - */
    1.52 -@PropertyDeclaration(name = XmlFormatter.PROPERTY_LABELED_COLUMNS, defaultValue = "false", type = Boolean.class, description = "whether to add 'label' attribute to each 'column' element")
    1.53 -public class XmlFormatter extends AbstractXmlFormatter {
    1.54 -
    1.55 -	public static final String NAME = "xml"; // bash-completion:formatter
    1.56 -	public static final String PROPERTY_LABELED_COLUMNS = "labeledColumns";
    1.57 -	private static final Logger log = Logger.getLogger(XmlFormatter.class.getName());
    1.58 -	private final boolean labeledColumns;
    1.59 -
    1.60 -	public XmlFormatter(FormatterContext formatterContext) {
    1.61 -		super(formatterContext);
    1.62 -		labeledColumns = formatterContext.getProperties().getBoolean(PROPERTY_LABELED_COLUMNS, false);
    1.63 -	}
    1.64 -
    1.65 -	@Override
    1.66 -	public void writeStartBatch() {
    1.67 -		super.writeStartBatch();
    1.68 -		printStartDocument();
    1.69 -		printStartElement(qname("batchResult"), singleAttribute(qname("xmlns"), Xmlns.BATCH_RESULT));
    1.70 -	}
    1.71 -
    1.72 -	@Override
    1.73 -	public void writeEndBatch() {
    1.74 -		super.writeEndBatch();
    1.75 -		printEndElement();
    1.76 -		printEndDocument();
    1.77 -	}
    1.78 -
    1.79 -	@Override
    1.80 -	public void writeStartDatabase(DatabaseDefinition databaseDefinition) {
    1.81 -		super.writeStartDatabase(databaseDefinition);
    1.82 -		Map<QName, String> attributes = databaseDefinition.getName() == null ? null : singleAttribute(qname("name"), databaseDefinition.getName());
    1.83 -		printStartElement(qname("database"), attributes);
    1.84 -	}
    1.85 -
    1.86 -	@Override
    1.87 -	public void writeEndDatabase() {
    1.88 -		super.writeEndDatabase();
    1.89 -		printEndElement();
    1.90 -	}
    1.91 -
    1.92 -	@Override
    1.93 -	public void writeStartStatement() {
    1.94 -		super.writeStartStatement();
    1.95 -		printStartElement(qname("statement"));
    1.96 -	}
    1.97 -
    1.98 -	@Override
    1.99 -	public void writeEndStatement() {
   1.100 -		super.writeEndStatement();
   1.101 -		printEndElement();
   1.102 -	}
   1.103 -
   1.104 -	@Override
   1.105 -	public void writeQuery(String sql) {
   1.106 -		super.writeQuery(sql);
   1.107 -		printTextElement(qname("sql"), null, sql);
   1.108 -	}
   1.109 -
   1.110 -	@Override
   1.111 -	public void writeParameters(List<? extends Parameter> parameters) {
   1.112 -		super.writeParameters(parameters);
   1.113 -
   1.114 -		for (Parameter p : notNull(parameters)) {
   1.115 -
   1.116 -			Map<QName, String> attributes = new LinkedHashMap<>(2);
   1.117 -			if (p instanceof NamedParameter) {
   1.118 -				attributes.put(qname("name"), ((NamedParameter) p).getName());
   1.119 -			}
   1.120 -			attributes.put(qname("type"), p.getType().name());
   1.121 -
   1.122 -			printTextElement(qname("parameter"), attributes, String.valueOf(p.getValue()));
   1.123 -		}
   1.124 -
   1.125 -	}
   1.126 -
   1.127 -	@Override
   1.128 -	public void writeStartResultSet(ColumnsHeader header) {
   1.129 -		super.writeStartResultSet(header);
   1.130 -		printStartElement(qname("resultSet"));
   1.131 -
   1.132 -		for (ColumnDescriptor cd : header.getColumnDescriptors()) {
   1.133 -			Map<QName, String> attributes = new LinkedHashMap<>(4);
   1.134 -			attributes.put(qname("label"), cd.getLabel());
   1.135 -			attributes.put(qname("name"), cd.getName());
   1.136 -			attributes.put(qname("typeName"), cd.getTypeName());
   1.137 -			attributes.put(qname("type"), String.valueOf(cd.getType()));
   1.138 -			printEmptyElement(qname("columnHeader"), attributes);
   1.139 -		}
   1.140 -	}
   1.141 -
   1.142 -	@Override
   1.143 -	public void writeEndResultSet() {
   1.144 -		super.writeEndResultSet();
   1.145 -		printEndElement();
   1.146 -	}
   1.147 -
   1.148 -	@Override
   1.149 -	public void writeStartRow() {
   1.150 -		super.writeStartRow();
   1.151 -		printStartElement(qname("row"));
   1.152 -	}
   1.153 -
   1.154 -	@Override
   1.155 -	public void writeColumnValue(Object value) {
   1.156 -		super.writeColumnValue(value);
   1.157 -
   1.158 -		Map<QName, String> attributes = null;
   1.159 -		if (labeledColumns) {
   1.160 -			attributes = new LinkedHashMap<>(2);
   1.161 -			attributes.put(qname("label"), getCurrentColumnsHeader().getColumnDescriptors().get(getCurrentColumnsCount() - 1).getLabel());
   1.162 -		}
   1.163 -
   1.164 -		if (value == null) {
   1.165 -			if (attributes == null) {
   1.166 -				attributes = new LinkedHashMap<>(2);
   1.167 -			}
   1.168 -			attributes.put(qname("null"), "true");
   1.169 -			printEmptyElement(qname("column"), attributes);
   1.170 -		} else if (value instanceof Array) {
   1.171 -
   1.172 -			Array sqlArray = (Array) value;
   1.173 -			try {
   1.174 -				Object[] array = (Object[]) sqlArray.getArray();
   1.175 -				printStartElement(qname("column"), attributes);
   1.176 -				printArray(array);
   1.177 -				printEndElement();
   1.178 -			} catch (SQLException e) {
   1.179 -				// FIXME: rewrite array formatting, remember array mode, don't try sqlArray.getArray() again and again if it has failed
   1.180 -				log.log(Level.SEVERE, "Unable to format array", e);
   1.181 -				try {
   1.182 -					ResultSet arrayResultSet = sqlArray.getResultSet();
   1.183 -					//int columnCount = arrayResultSet.getMetaData().getColumnCount();
   1.184 -					ArrayList<Object> arrayList = new ArrayList<>();
   1.185 -					while (arrayResultSet.next()) {
   1.186 -						arrayList.add(arrayResultSet.getObject(2));
   1.187 -						// for (int i = 1; i <= columnCount; i++) {
   1.188 -						// 	log.log(Level.INFO, "Array column {0} = {1}", new Object[]{i, arrayResultSet.getObject(i)});
   1.189 -						// }
   1.190 -					}
   1.191 -
   1.192 -					printStartElement(qname("column"), attributes);
   1.193 -					// FIXME: instanceof SQLXML, see below
   1.194 -					printArray(arrayList.toArray());
   1.195 -					printEndElement();
   1.196 -
   1.197 -				} catch (SQLException e2) {
   1.198 -					// FIXME: fix logging, error recovery
   1.199 -					log.log(Level.SEVERE, "Second level fuck up !!!", e2);
   1.200 -				}
   1.201 -
   1.202 -				writeColumnValue(String.valueOf(value));
   1.203 -			}
   1.204 -
   1.205 -		} else if (value instanceof SQLXML) { // FIXME: move to separate method, to AbstractFormatter?
   1.206 -			SQLXML xml = (SQLXML) value;
   1.207 -			// TODO: parse DOM/SAX and transplant XML, don't escape (optional)
   1.208 -			try {
   1.209 -				printTextElement(qname("column"), attributes, xml.getString());
   1.210 -			} catch (SQLException e) {
   1.211 -				log.log(Level.SEVERE, "Unable to format XML", e);
   1.212 -				writeColumnValue(String.valueOf(value));
   1.213 -			}
   1.214 -		} else {
   1.215 -			printTextElement(qname("column"), attributes, toString(value));
   1.216 -		}
   1.217 -	}
   1.218 -
   1.219 -	private void printArray(Object[] array) {
   1.220 -		printStartElement(qname("array"));
   1.221 -		for (Object o : array) {
   1.222 -			if (o instanceof Object[]) {
   1.223 -				printStartElement(qname("item"));
   1.224 -				printArray((Object[]) o);
   1.225 -				printEndElement();
   1.226 -			} else {
   1.227 -				printTextElement(qname("item"), null, String.valueOf(o));
   1.228 -			}
   1.229 -		}
   1.230 -		printEndElement();
   1.231 -	}
   1.232 -
   1.233 -	@Override
   1.234 -	public void writeEndRow() {
   1.235 -		super.writeEndRow();
   1.236 -		printEndElement();
   1.237 -	}
   1.238 -
   1.239 -	@Override
   1.240 -	public void writeUpdatesResult(int updatedRowsCount) {
   1.241 -		super.writeUpdatesResult(updatedRowsCount);
   1.242 -		printTextElement(qname("updatedRows"), null, String.valueOf(updatedRowsCount));
   1.243 -	}
   1.244 -
   1.245 -	protected String toString(Object value) {
   1.246 -		return String.valueOf(value);
   1.247 -	}
   1.248 -}