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/*
* ConnectorTest.java
*
* Created on September 20, 2000, 11:10 AM
*/
package com.sun.enterprise.tools.verifier.tests.connector;
import com.sun.enterprise.deployment.ConnectorDescriptor;
import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.util.ModuleDescriptor;
import com.sun.enterprise.deployment.deploy.shared.FileArchive;
import com.sun.enterprise.tools.verifier.Result;
import com.sun.enterprise.tools.verifier.Verifier;
import com.sun.enterprise.tools.verifier.tests.VerifierCheck;
import com.sun.enterprise.tools.verifier.tests.VerifierTest;
import com.sun.enterprise.util.io.FileUtils;
import java.io.File;
import java.lang.reflect.Method;
import java.util.Enumeration;
import java.util.jar.JarInputStream;
import java.util.zip.ZipEntry;
/**
* Superclass for all connector tests, contains common services.
*
* @author Jerome Dochez
* @version
*/
public abstract class ConnectorTest extends VerifierTest implements VerifierCheck, ConnectorCheck
{
/**
* <p>
* run an individual test against the deployment descriptor for the
* archive the verifier is performing compliance tests against.
* </p>
*
* @param descriptor deployment descriptor for the archive
* @return result object containing the result of the individual test
* performed
*/
public Result check(Descriptor descriptor) {
return check((ConnectorDescriptor) descriptor);
}
/**
* <p>
* all connector tests should implement this method. it run an individual
* test against the resource adapter deployment descriptor.
* </p>
*
* @param descriptor deployment descriptor for the rar file
* @return result object containing the result of the individual test
* performed
*/
public abstract Result check(ConnectorDescriptor descriptor);
/**
* <p>
* Find a class implementating the interface in the jar files contained
* in the connector rar file.
* </p>
* @param interfaceName the interface the class should implement
* @return class implementing the interface or null if not present in the
* jar files
*/
protected Class findImplementorOf(ConnectorDescriptor desc, String interfaceName) {
/**
* This is a little bit hectic but we have to go through all the
* jar files included in the rar file and load all classes implemented
* in these jar files. For each class, we should look if the class
* implements the requested interface "interfaceName"
*/
// let's get the rar file
try {
String uri=getAbstractArchiveUri(desc);
FileArchive arch = new FileArchive();
arch.open(uri);
for(Enumeration en = arch.entries();en.hasMoreElements();) {
String entry = (String)en.nextElement();
if (entry.endsWith(".jar")) {
// we found a jar file, let's load it
JarInputStream jis = new JarInputStream(arch.getEntry(entry));
try {
// Now we are going to iterate over the element of the jar file
ZipEntry ze = jis.getNextEntry();
while(ze!=null) {
String elementName = (String) ze.getName();
// Is this jar entry a java class file ?
if (elementName.endsWith(".class")) {
// we found a .class file let's load it and see if it does implement the interface
String className = elementName.substring(0, elementName.length()-".class".length()).replace('/','.');
//try {
ClassLoader jcl = getVerifierContext().getRarClassLoader();
Class c = Class.forName(className, false, jcl);
if (isImplementorOf(c, interfaceName))
if(c.getSuperclass() != null)
return c;
}
ze = jis.getNextEntry();
}
} catch(ClassNotFoundException cnfe) {
// We ignore this for now
} catch(NoClassDefFoundError cdnf) {
//continue to search other classes
} finally {
try {
if(jis != null)
jis.close();
} catch(Exception e) {}
}
}
}
} catch(java.io.IOException ioe) {
Verifier.debug(ioe);
}
return null;
}
/**
* <p>
* Check that a class overrides some methods defined in the java.lang.Object class
* </p>
*
* @param clazz the implementation class
* @param methodName the method name
* @param parmTypes the method parameter types
* @param methodSignature a human readable signature description of the method
* @param result where to put the method lookup result
* @return true if the method is overriden by the implementation class
*/
protected boolean checkMethodImpl(Class clazz, String methodName, Class[] parmTypes,
String methodSignature, Result result) {
Method m=null;
Class c = clazz;
do {
try {
m = c.getDeclaredMethod(methodName, parmTypes);
} catch(NoSuchMethodException nsme) {
} catch(SecurityException se) {
}
c = c.getSuperclass();
} while (m != null && c!=null && c != Object.class);
if (m==null) {
result.failed(smh.getLocalString
("com.sun.enterprise.tools.verifier.tests.connector.ConnectorTest.MethodOverride.failed",
"Warning: The class [ {0} ] does not override the method [ {1} ]",
new Object[] {clazz.getName(), methodSignature }));
return false;
} else {
result.passed(smh.getLocalString
("com.sun.enterprise.tools.verifier.tests.connector.ConnectorTest.MethodOverride.passed",
"The class [ {0} ] overrides the method [ {1} ]",
new Object[] {clazz.getName(), methodSignature }));
return true;
}
}
/**
* <p>
* Look for an implementation of an interface in all the classes present
* in a jar file, setting the result object with the look up result
* </p>
*
* @param interfaceName interface to look for an implementor
* @param result where to put the look up result
*/
protected boolean findImplementorOf(ConnectorDescriptor desc, String interfaceName, Result result)
{
Class c = findImplementorOf(desc, interfaceName);
if (c != null) {
result.passed(smh.getLocalString
("com.sun.enterprise.tools.verifier.tests.connector.ConnectorTest.findImplementor.passed",
"The class [ {0} ] implements the [ {1} ] interface",
new Object[] {c.getName(), interfaceName}));
return true;
} else {
result.failed(smh.getLocalString
("com.sun.enterprise.tools.verifier.tests.connector.ConnectorTest.findImplementor.failed",
"Error: There is no implementation of the [ {0} ] provided",
new Object[] {interfaceName}));
return false;
}
}
/**
* <p>
* Check if a class or interface can be loaded from the archive file
* </p>
*
* @param className the class or interface name
* @param result instance for test status
* @return true if the class or interface can be loaded
*/
protected boolean isClassLoadable(String className, Result result) {
ClassLoader jcl = getVerifierContext().getClassLoader();
try {
Class.forName(className, false, jcl);
result.passed(smh.getLocalString
("com.sun.enterprise.tools.verifier.tests.connector.ConnectorTest.isClassLoadable.passed",
"The class [ {0} ] is contained in the archive file",
new Object[] {className}));
return true;
} catch(ClassNotFoundException cnfe) {
result.failed(smh.getLocalString
("com.sun.enterprise.tools.verifier.tests.connector.ConnectorTest.isClassLoadable.failed",
"The class [ {0} ] is not contained in the archive file",
new Object[] {className}));
return true;
}
}
protected String getAbstractArchiveUri(ConnectorDescriptor desc) {
String archBase = getVerifierContext().getAbstractArchive().
getArchiveUri();
final ModuleDescriptor moduleDescriptor = desc.getModuleDescriptor();
if (moduleDescriptor.isStandalone()) {
return archBase; // it must be a stand-alone module; no such physical dir exists
} else {
return archBase + File.separator +
FileUtils.makeFriendlyFileName(moduleDescriptor.getArchiveUri());
}
}
}