ant-ivy/src/java/fr/jayasoft/ivy/xml/XmlIvyConfigurationParser.java

241 lines
11 KiB
Java

/*
* This file is subject to the license found in LICENCE.TXT in the root directory of the project.
*
* #SNAPSHOT#
*/
package fr.jayasoft.ivy.xml;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.text.ParseException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import fr.jayasoft.ivy.Ivy;
import fr.jayasoft.ivy.ModuleId;
import fr.jayasoft.ivy.url.URLHandlerRegistry;
import fr.jayasoft.ivy.util.Configurator;
import fr.jayasoft.ivy.util.Message;
/**
* @author Hanin
*
*/
public class XmlIvyConfigurationParser extends DefaultHandler {
private Configurator _configurator = new Configurator();
private List _configuratorTags = Arrays.asList(new String[] {"resolvers", "latest-strategies", "conflict-managers"});
private Ivy _ivy;
private String _defaultResolver;
private String _defaultCM;
private String _defaultLatest;
private String _currentConfiguratorTag;
public XmlIvyConfigurationParser(Ivy ivy) {
_ivy = ivy;
}
public void parse(URL configuration) throws ParseException, IOException {
// put every type definition from ivy to configurator
Map typeDefs = _ivy.getTypeDefs();
for (Iterator iter = typeDefs.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
_configurator.typeDef(name, (Class)typeDefs.get(name));
}
InputStream stream = null;
try {
stream = URLHandlerRegistry.getDefault().openStream(configuration);
SAXParserFactory.newInstance().newSAXParser().parse(
stream,
this);
} catch (IOException e) {
throw e;
} catch (Exception e) {
ParseException pe = new ParseException("failed to configure with "+configuration+": "+e.getMessage(), 0);
pe.initCause(e);
throw pe;
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
}
}
public void startElement(String uri, String localName, String qName, Attributes att) throws SAXException {
// we first copy attributes in a Map to be able to modify them
Map attributes = new HashMap();
for (int i=0; i<att.getLength(); i++) {
attributes.put(att.getQName(i), att.getValue(i));
}
try {
if (_configurator.getCurrent() != null) {
if ("macrodef".equals(_currentConfiguratorTag) && _configurator.getTypeDef(qName) != null) {
String name = (String)attributes.get("name");
if (name == null) {
attributes.put("name", "@{name}");
} else {
attributes.put("name", "@{name}-"+name);
}
}
if (attributes.get("ref") != null) {
if (attributes.size() != 1) {
throw new IllegalArgumentException("ref attribute should be the only one ! found "+attributes.size()+" in "+qName);
}
String name = (String)attributes.get("ref");
Object child = null;
if ("resolvers".equals(_currentConfiguratorTag)) {
child = _ivy.getResolver(name);
if (child == null) {
throw new IllegalArgumentException("unknown resolver "+name+": resolver should be defined before being referenced");
}
} else if ("latest-strategies".equals(_currentConfiguratorTag)) {
child = _ivy.getLatestStrategy(name);
if (child == null) {
throw new IllegalArgumentException("unknown latest strategy "+name+": latest strategy should be defined before being referenced");
}
} else if ("conflict-managers".equals(_currentConfiguratorTag)) {
child = _ivy.getConflictManager(name);
if (child == null) {
throw new IllegalArgumentException("unknown conflict manager "+name+": conflict manager should be defined before being referenced");
}
}
if (child == null) {
throw new IllegalArgumentException("bad reference "+name);
}
_configurator.addChild(qName, child);
} else {
_configurator.startCreateChild(qName);
for (Iterator iter = attributes.keySet().iterator(); iter.hasNext();) {
String attName = (String)iter.next();
_configurator.setAttribute(attName, _ivy.substitute((String)attributes.get(attName)));
}
}
} else if ("typedef".equals(qName)) {
String name = _ivy.substitute((String)attributes.get("name"));
String className = _ivy.substitute((String)attributes.get("classname"));
Class clazz = Class.forName(className);
_ivy.typeDef(name, clazz);
_configurator.typeDef(name, clazz);
} else if ("property".equals(qName)) {
String name = _ivy.substitute((String)attributes.get("name"));
String value = _ivy.substitute((String)attributes.get("value"));
if (name == null) {
throw new IllegalArgumentException("missing attribute name on property tag");
}
if (value == null) {
throw new IllegalArgumentException("missing attribute value on property tag");
}
_ivy.setVariable(name, value);
} else if ("properties".equals(qName)) {
String propFilePath = _ivy.substitute((String)attributes.get("file"));
String overwrite = _ivy.substitute((String)attributes.get("overwrite"));
try {
Message.verbose("loading properties: "+propFilePath);
_ivy.loadProperties(new File(propFilePath), overwrite == null ? true : Boolean.valueOf(overwrite).booleanValue());
} catch (Exception ex) {
Message.verbose("failed to load properties as file: trying as url: "+propFilePath);
_ivy.loadProperties(new URL(propFilePath), overwrite == null ? true : Boolean.valueOf(overwrite).booleanValue());
}
} else if ("include".equals(qName)) {
String propFilePath = _ivy.substitute((String)attributes.get("file"));
File incFile = new File(propFilePath);
if (incFile.exists()) {
Message.verbose("including file: "+propFilePath);
parse(incFile.toURL());
} else {
Message.verbose("including url: "+propFilePath);
parse(new URL(propFilePath));
}
} else if ("conf".equals(qName)) {
String cache = (String)attributes.get("defaultCache");
if (cache != null) {
_ivy.setDefaultCache(new File(_ivy.substitute(cache)));
}
String validate = (String)attributes.get("validate");
if (validate != null) {
_ivy.setValidate(Boolean.valueOf(_ivy.substitute(validate)).booleanValue());
}
String up2d = (String)attributes.get("checkUpToDate");
if (up2d != null) {
_ivy.setCheckUpToDate(Boolean.valueOf(_ivy.substitute(up2d)).booleanValue());
}
String cacheIvyPattern = (String)attributes.get("cacheIvyPattern");
if (cacheIvyPattern != null) {
_ivy.setCacheIvyPattern(_ivy.substitute(cacheIvyPattern));
}
String cacheArtPattern = (String)attributes.get("cacheArtifactPattern");
if (cacheArtPattern != null) {
_ivy.setCacheArtifactPattern(_ivy.substitute(cacheArtPattern));
}
String useRemoteConfig = (String)attributes.get("useRemoteConfig");
if (useRemoteConfig != null) {
_ivy.setUseRemoteConfig(Boolean.valueOf(_ivy.substitute(useRemoteConfig)).booleanValue());
}
// we do not set following defaults here since no instances has been registered yet
_defaultResolver = (String)attributes.get("defaultResolver");
_defaultCM = (String)attributes.get("defaultConflictManager");
_defaultLatest = (String)attributes.get("defaultLatestStrategy");
} else if (_configuratorTags.contains(qName)) {
_currentConfiguratorTag = qName;
_configurator.setRoot(_ivy);
} else if ("macrodef".equals(qName)) {
_currentConfiguratorTag = qName;
Configurator.MacroDef macrodef = _configurator.startMacroDef((String)attributes.get("name"));
macrodef.addAttribute("name", null);
} else if ("module".equals(qName)) {
String organisation = _ivy.substitute((String)attributes.get("organisation"));
String module = _ivy.substitute((String)attributes.get("name"));
String resolver = _ivy.substitute((String)attributes.get("resolver"));
_ivy.addModuleConfiguration(new ModuleId(organisation, module), resolver);
}
} catch (Exception ex) {
throw new SAXException("problem in config file", ex);
}
}
public void endElement(String uri, String localName, String qName) throws SAXException {
if (_configurator.getCurrent() != null) {
if (_configuratorTags.contains(qName) && _configurator.getDepth() == 1) {
_configurator.clear();
_currentConfiguratorTag = null;
} else if ("macrodef".equals(qName) && _configurator.getDepth() == 1) {
_configurator.endMacroDef();
_currentConfiguratorTag = null;
} else {
_configurator.endCreateChild();
}
}
}
public void endDocument() throws SAXException {
if (_defaultResolver != null) {
_ivy.setDefaultResolver(_ivy.substitute(_defaultResolver));
}
if (_defaultCM != null) {
_ivy.setDefaultConflictManager(_ivy.getConflictManager(_ivy.substitute(_defaultCM)));
}
if (_defaultLatest != null) {
_ivy.setDefaultLatestStrategy(_ivy.getLatestStrategy(_ivy.substitute(_defaultLatest)));
}
}
}