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package com.sun.enterprise.deploy.jar;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.api.deployment.archive.ArchiveHandler;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.deployment.common.DeploymentUtils;
import org.glassfish.deployment.common.DeploymentProperties;
import org.glassfish.loader.util.ASClassLoaderUtil;
import java.net.MalformedURLException;
import com.sun.enterprise.loader.ASURLClassLoader;
import com.sun.enterprise.deploy.shared.AbstractArchiveHandler;
import java.net.URL;
import java.lang.RuntimeException;
import java.io.*;
import java.util.logging.Level;
import java.util.List;
import java.security.AccessController;
import java.security.PrivilegedAction;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import static javax.xml.stream.XMLStreamConstants.*;
/**
* ArchiveHandler implementation for jar files
*
* @author Jerome Dochez
*/
@Service(name="DEFAULT")
public class JarHandler extends AbstractArchiveHandler implements ArchiveHandler {
public String getArchiveType() {
return "jar";
}
public String getVersionIdentifier(ReadableArchive archive) {
String versionIdentifier = null;
try {
GFEjbJarXMLParser gfXMLParser = new GFEjbJarXMLParser(null);
versionIdentifier = gfXMLParser.extractVersionIdentifierValue(archive);
} catch (XMLStreamException e) {
_logger.log(Level.SEVERE, e.getMessage());
} catch (IOException e) {
_logger.log(Level.SEVERE, e.getMessage());
}
return versionIdentifier;
}
public boolean handles(ReadableArchive archive) {
if (DeploymentUtils.isEAR(archive)) {
// I should not handle ear, so ear support must not be available
// in this distribution
throw new RuntimeException(
"no container associated with application of type : ear");
}
// but I handle everything that looks like a jar...
return true;
}
public ClassLoader getClassLoader(final ClassLoader parent, DeploymentContext context) {
ASURLClassLoader cloader = AccessController.doPrivileged(new PrivilegedAction<ASURLClassLoader>() {
@Override
public ASURLClassLoader run() {
return new ASURLClassLoader(parent);
}
});
try {
String compatProp = context.getAppProps().getProperty(
DeploymentProperties.COMPATIBILITY);
// if user does not specify the compatibility property
// let's see if it's defined in glassfish-ejb-jar.xml
if (compatProp == null) {
GFEjbJarXMLParser gfEjbJarXMLParser =
new GFEjbJarXMLParser(context.getSourceDir());
compatProp = gfEjbJarXMLParser.getCompatibilityValue();
if (compatProp != null) {
context.getAppProps().put(
DeploymentProperties.COMPATIBILITY, compatProp);
}
}
// if user does not specify the compatibility property
// let's see if it's defined in sun-ejb-jar.xml
if (compatProp == null) {
SunEjbJarXMLParser sunEjbJarXMLParser =
new SunEjbJarXMLParser(context.getSourceDir());
compatProp = sunEjbJarXMLParser.getCompatibilityValue();
if (compatProp != null) {
context.getAppProps().put(
DeploymentProperties.COMPATIBILITY, compatProp);
}
}
// if the compatibility property is set to "v2", we should add
// all the jars under the ejb module root to maintain backward
// compatibility of v2 jar visibility
if (compatProp != null && compatProp.equals("v2")) {
List<URL> moduleRootLibraries =
ASClassLoaderUtil.getURLsAsList(null,
new File[] {context.getSourceDir()}, true);
for (URL url : moduleRootLibraries) {
cloader.addURL(url);
}
}
cloader.addURL(context.getSource().getURI().toURL());
cloader.addURL(context.getScratchDir("ejb").toURI().toURL());
// add libraries referenced from manifest
for (URL url : getManifestLibraries(context)) {
cloader.addURL(url);
}
} catch(Exception e) {
_logger.log(Level.SEVERE, e.getMessage());
return null;
}
return cloader;
}
private static class GFEjbJarXMLParser {
private XMLStreamReader parser = null;
private String compatValue = null;
GFEjbJarXMLParser(File baseDir) throws XMLStreamException, FileNotFoundException {
InputStream input = null;
File f = new File(baseDir, "META-INF/glassfish-ejb-jar.xml");
if (f.exists()) {
input = new FileInputStream(f);
try {
read(input);
} finally {
if (parser != null) {
try {
parser.close();
} catch(Exception ex) {
// ignore
}
}
if (input != null) {
try {
input.close();
} catch(Exception ex) {
// ignore
}
}
}
}
}
protected String extractVersionIdentifierValue(ReadableArchive archive) throws XMLStreamException, IOException{
InputStream input = null;
String versionIdentifierValue = null;
String rootElement = null;
try
{
rootElement = "glassfish-application-client";
input = archive.getEntry( "META-INF/glassfish-application-client.xml" );
if (input == null) {
rootElement = "glassfish-ejb-jar";
input = archive.getEntry( "META-INF/glassfish-ejb-jar.xml" );
}
if (input != null) {
// parse elements only from glassfish-web
parser = getXMLInputFactory().createXMLStreamReader(input);
int event = 0;
skipRoot(rootElement);
while (parser.hasNext() && (event = parser.next()) != END_DOCUMENT) {
if (event == START_ELEMENT) {
String name = parser.getLocalName();
if ("version-identifier".equals(name)) {
versionIdentifierValue = parser.getElementText();
} else {
skipSubTree(name);
}
}
}
}
}
finally {
if (input != null) {
try {
input.close();
} catch(Exception e) {
// ignore
}
}
}
return versionIdentifierValue;
}
private void read(InputStream input) throws XMLStreamException {
parser = getXMLInputFactory().createXMLStreamReader(input);
int event = 0;
boolean done = false;
skipRoot("glassfish-ejb-jar");
while (!done && (event = parser.next()) != END_DOCUMENT) {
if (event == START_ELEMENT) {
String name = parser.getLocalName();
if (DeploymentProperties.COMPATIBILITY.equals(name)) {
compatValue = parser.getElementText();
done = true;
} else {
skipSubTree(name);
}
}
}
}
private void skipRoot(String name) throws XMLStreamException {
while (true) {
int event = parser.next();
if (event == START_ELEMENT) {
if (!name.equals(parser.getLocalName())) {
throw new XMLStreamException();
}
return;
}
}
}
private void skipSubTree(String name) throws XMLStreamException {
while (true) {
int event = parser.next();
if (event == END_DOCUMENT) {
throw new XMLStreamException();
} else if (event == END_ELEMENT && name.equals(parser.getLocalName())) {
return;
}
}
}
String getCompatibilityValue() {
return compatValue;
}
}
private static class SunEjbJarXMLParser {
private XMLStreamReader parser = null;
private String compatValue = null;
SunEjbJarXMLParser(File baseDir) throws XMLStreamException, FileNotFoundException {
InputStream input = null;
File f = new File(baseDir, "META-INF/sun-ejb-jar.xml");
if (f.exists()) {
input = new FileInputStream(f);
try {
read(input);
} finally {
if (parser != null) {
try {
parser.close();
} catch(Exception ex) {
// ignore
}
}
if (input != null) {
try {
input.close();
} catch(Exception ex) {
// ignore
}
}
}
}
}
private void read(InputStream input) throws XMLStreamException {
parser = getXMLInputFactory().createXMLStreamReader(input);
int event = 0;
boolean done = false;
skipRoot("sun-ejb-jar");
while (!done && (event = parser.next()) != END_DOCUMENT) {
if (event == START_ELEMENT) {
String name = parser.getLocalName();
if (DeploymentProperties.COMPATIBILITY.equals(name)) {
compatValue = parser.getElementText();
done = true;
} else {
skipSubTree(name);
}
}
}
}
private void skipRoot(String name) throws XMLStreamException {
while (true) {
int event = parser.next();
if (event == START_ELEMENT) {
if (!name.equals(parser.getLocalName())) {
throw new XMLStreamException();
}
return;
}
}
}
private void skipSubTree(String name) throws XMLStreamException {
while (true) {
int event = parser.next();
if (event == END_DOCUMENT) {
throw new XMLStreamException();
} else if (event == END_ELEMENT && name.equals(parser.getLocalName())) {
return;
}
}
}
String getCompatibilityValue() {
return compatValue;
}
}
}