/*
* 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.
*/
package org.mybatis.generator.config.xml;
import static org.mybatis.generator.internal.util.messages.Messages.getString;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.mybatis.generator.codegen.XmlConstants;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.exception.XMLParserException;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
public class ConfigurationParser {
private List<String> warnings;
private List<String> parseErrors;
private Properties properties;
public ConfigurationParser(List<String> warnings) {
this(null, warnings);
}
public ConfigurationParser(Properties properties, List<String> warnings) {
super();
if (properties == null) {
this.properties = System.getProperties();
} else {
this.properties = properties;
}
if (warnings == null) {
this.warnings = new ArrayList<String>();
} else {
this.warnings = warnings;
}
parseErrors = new ArrayList<String>();
}
public Configuration parseConfiguration(File inputFile) throws IOException,
XMLParserException {
FileReader fr = new FileReader(inputFile);
return parseConfiguration(fr);
}
public Configuration parseConfiguration(Reader reader) throws IOException,
XMLParserException {
InputSource is = new InputSource(reader);
return parseConfiguration(is);
}
public Configuration parseConfiguration(InputStream inputStream)
throws IOException, XMLParserException {
InputSource is = new InputSource(inputStream);
return parseConfiguration(is);
}
private Configuration parseConfiguration(InputSource inputSource)
throws IOException, XMLParserException {
parseErrors.clear();
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setValidating(true);
try {
DocumentBuilder builder = factory.newDocumentBuilder();
builder.setEntityResolver(new ParserEntityResolver());
ParserErrorHandler handler = new ParserErrorHandler(warnings,
parseErrors);
builder.setErrorHandler(handler);
Document document = null;
try {
document = builder.parse(inputSource);
} catch (SAXParseException e) {
throw new XMLParserException(parseErrors);
} catch (SAXException e) {
if (e.getException() == null) {
parseErrors.add(e.getMessage());
} else {
parseErrors.add(e.getException().getMessage());
}
}
if (parseErrors.size() > 0) {
throw new XMLParserException(parseErrors);
}
Configuration config;
Element rootNode = document.getDocumentElement();
DocumentType docType = document.getDoctype();
if (rootNode.getNodeType() == Node.ELEMENT_NODE
&& docType.getPublicId().equals(
XmlConstants.IBATOR_CONFIG_PUBLIC_ID)) {
config = parseIbatorConfiguration(rootNode);
} else if (rootNode.getNodeType() == Node.ELEMENT_NODE
&& docType.getPublicId().equals(
XmlConstants.MYBATIS_GENERATOR_CONFIG_PUBLIC_ID)) {
config = parseMyBatisGeneratorConfiguration(rootNode);
} else {
throw new XMLParserException(getString("RuntimeError.5")); //$NON-NLS-1$
}
if (parseErrors.size() > 0) {
throw new XMLParserException(parseErrors);
}
return config;
} catch (ParserConfigurationException e) {
parseErrors.add(e.getMessage());
throw new XMLParserException(parseErrors);
}
}
private Configuration parseIbatorConfiguration(Element rootNode)
throws XMLParserException {
IbatorConfigurationParser parser = new IbatorConfigurationParser(
properties);
return parser.parseIbatorConfiguration(rootNode);
}
private Configuration parseMyBatisGeneratorConfiguration(Element rootNode)
throws XMLParserException {
MyBatisGeneratorConfigurationParser parser = new MyBatisGeneratorConfigurationParser(
properties);
return parser.parseConfiguration(rootNode);
}
}