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package org.glassfish.config.support;
import com.sun.enterprise.config.serverbeans.Cluster;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Server;
import com.sun.enterprise.module.ModulesRegistry;
import com.sun.enterprise.module.bootstrap.BootException;
import com.sun.enterprise.module.bootstrap.EarlyLogHandler;
import com.sun.enterprise.module.bootstrap.Populator;
import com.sun.enterprise.module.bootstrap.StartupContext;
import com.sun.enterprise.universal.NanoDuration;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.hk2.component.ExistingSingletonInhabitant;
import java.io.ByteArrayInputStream;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.api.admin.config.ConfigurationCleanup;
import org.glassfish.api.admin.config.ConfigurationUpgrade;
import org.glassfish.server.ServerEnvironmentImpl;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.component.Habitat;
import org.jvnet.hk2.component.Inhabitant;
import org.jvnet.hk2.config.ConfigParser;
import org.jvnet.hk2.config.DomDocument;
import javax.xml.stream.XMLInputFactory;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.locks.Lock;
import java.util.logging.Level;
import java.net.URL;
import java.util.logging.LogRecord;
import javax.xml.stream.XMLResolver;
import javax.xml.stream.XMLStreamException;
import org.glassfish.api.admin.RuntimeType;
/**
* Locates and parses the portion of <tt>domain.xml</tt> that we care.
*
* @author Jerome Dochez
* @author Kohsuke Kawaguchi
* @author Byron Nevins
*/
public abstract class DomainXml implements Populator {
@Inject
StartupContext context;
@Inject
protected Habitat habitat;
@Inject
ModulesRegistry registry;
@Inject
XMLInputFactory xif;
@Inject
ServerEnvironmentImpl env;
@Inject
ConfigurationAccess configAccess;
final static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(DomainXml.class);
@Override
public void run(ConfigParser parser) throws BootException {
LogRecord lr = new LogRecord(Level.FINE, "Startup class : " + this.getClass().getName());
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
habitat.addComponent("parent-class-loader",
new ExistingSingletonInhabitant<ClassLoader>(ClassLoader.class, registry.getParentClassLoader()));
try {
parseDomainXml(parser, getDomainXml(env), env.getInstanceName());
}
catch (IOException e) {
throw new BootException(localStrings.getLocalString("ConfigParsingFailed","Failed to parse domain.xml"), e);
}
// run the upgrades...
if ("upgrade".equals(context.getPlatformMainServiceName())) {
upgrade();
}
// run the cleanup.
for (Inhabitant<? extends ConfigurationCleanup> cc : habitat.getInhabitants(ConfigurationCleanup.class)) {
try {
cc.get(); // run the upgrade
lr = new LogRecord(Level.FINE, "Successful cleaned domain.xml with " + cc.getClass());
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
}
catch (Exception e) {
lr = new LogRecord(Level.FINE, e.toString() + e);
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
lr = new LogRecord(Level.SEVERE, cc.getClass() + " cleaning domain.xml failed " + e);
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
}
}
decorate();
}
protected void decorate() {
Server server = habitat.getComponent(Server.class, env.getInstanceName());
habitat.addIndex(new ExistingSingletonInhabitant<Server>(server),
Server.class.getName(), ServerEnvironment.DEFAULT_INSTANCE_NAME);
habitat.addIndex(new ExistingSingletonInhabitant<Config>(habitat.getComponent(Config.class, server.getConfigRef())),
Config.class.getName(), ServerEnvironment.DEFAULT_INSTANCE_NAME);
Cluster c = server.getCluster();
if (c != null) {
habitat.addIndex(new ExistingSingletonInhabitant<Cluster>(c),
Cluster.class.getName(), ServerEnvironment.DEFAULT_INSTANCE_NAME);
}
}
protected void upgrade() {
// run the upgrades...
for (Inhabitant<? extends ConfigurationUpgrade> cu : habitat.getInhabitants(ConfigurationUpgrade.class)) {
try {
cu.get(); // run the upgrade
LogRecord lr = new LogRecord(Level.FINE, "Successful Upgrade domain.xml with " + cu.getClass());
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
}
catch (Exception e) {
LogRecord lr = new LogRecord(Level.FINE, e.toString() + e);
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
lr = new LogRecord(Level.SEVERE, cu.getClass() + " upgrading domain.xml failed " + e);
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
}
}
}
/**
* Determines the location of <tt>domain.xml</tt> to be parsed.
*/
protected URL getDomainXml(ServerEnvironmentImpl env) throws IOException {
File domainXml = new File(env.getConfigDirPath(), ServerEnvironmentImpl.kConfigXMLFileName);
if (domainXml.exists() && domainXml.length()>0) {
return domainXml.toURI().toURL();
} else {
LogRecord lr = new LogRecord(Level.SEVERE,localStrings.getLocalString("NoConfigFile",
"{0} does not exist or is empty, will use backup",
domainXml.getAbsolutePath()));
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
domainXml = new File(env.getConfigDirPath(), ServerEnvironmentImpl.kConfigXMLFileNameBackup);
if (domainXml.exists() && domainXml.length()>0) {
return domainXml.toURI().toURL();
}
lr = new LogRecord(Level.SEVERE,
localStrings.getLocalString("NoBackupFile",
"{0} does not exist or is empty, cannot use backup",
domainXml.getAbsolutePath()));
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
}
throw new IOException(localStrings.getLocalString("NoUsableConfigFile",
"No usable configuration file at {0}",
env.getConfigDirPath()));
}
/**
* Parses <tt>domain.xml</tt>
*/
protected void parseDomainXml(ConfigParser parser, final URL domainXml, final String serverName) {
long startNano = System.nanoTime();
try {
ServerReaderFilter xsr = null;
// Set the resolver so that any external entity references, such
// as a reference to a DTD, return an empty file. The domain.xml
// file doesn't support entity references.
xif.setXMLResolver(new XMLResolver() {
@Override
public Object resolveEntity(String publicID,
String systemID,
String baseURI,
String namespace)
throws XMLStreamException {
return new ByteArrayInputStream(new byte[0]);
}
});
if (env.getRuntimeType() == RuntimeType.DAS || env.getRuntimeType() == RuntimeType.EMBEDDED)
xsr = new DasReaderFilter(domainXml, xif);
else if (env.getRuntimeType() == RuntimeType.INSTANCE)
xsr = new InstanceReaderFilter(env.getInstanceName(), domainXml, xif);
else
throw new RuntimeException("Internal Error: Unknown server type: "
+ env.getRuntimeType());
Lock lock = null;
try {
// lock the domain.xml for reading if not embedded
try {
lock = configAccess.accessRead();
} catch(Exception e) {
// ignore
}
parser.parse(xsr, getDomDocument());
xsr.close();
} finally {
if (lock!=null) {
lock.unlock();
}
}
String errorMessage = xsr.configWasFound();
if (errorMessage != null) {
LogRecord lr = new LogRecord(Level.WARNING, errorMessage);
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
}
}
catch (Exception e) {
if (e instanceof RuntimeException)
throw (RuntimeException) e;
else
throw new RuntimeException("Fatal Error. Unable to parse " + domainXml, e);
}
LogRecord lr = new LogRecord(Level.FINE, strings.get("time", new NanoDuration(System.nanoTime() - startNano).toString()));
lr.setLoggerName(getClass().getName());
EarlyLogHandler.earlyMessages.add(lr);
}
protected abstract DomDocument getDomDocument();
private final static LocalStringsImpl strings = new LocalStringsImpl(DomainXml.class);
}