package org.apache.felix.ipojo.test.scenarios.util;
import java.util.Dictionary;
import java.util.Properties;
import org.apache.felix.ipojo.ComponentInstance;
import org.apache.felix.ipojo.Factory;
import org.apache.felix.ipojo.Handler;
import org.apache.felix.ipojo.HandlerFactory;
import org.apache.felix.ipojo.ServiceContext;
import org.osgi.framework.BundleContext;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.framework.ServiceReference;
import org.osgi.service.cm.ManagedServiceFactory;
public class Utils {
public static Factory getFactoryByName(BundleContext bc, String factoryName) {
ServiceReference[] refs;
try {
refs = bc.getServiceReferences(Factory.class.getName(), "(factory.name=" + factoryName + ")");
if (refs == null) {
System.err.println("Cannot get the factory " + factoryName);
return null;
}
return ((Factory) bc.getService(refs[0]));
} catch (InvalidSyntaxException e) {
System.err.println("Cannot get the factory " + factoryName + " : " + e.getMessage());
return null;
}
}
public static HandlerFactory getHandlerFactoryByName(BundleContext bc, String factoryName) {
ServiceReference[] refs;
try {
refs = bc.getServiceReferences(Factory.class.getName(), "(" + Handler.HANDLER_NAME_PROPERTY + "=" + factoryName + ")");
if (refs == null) {
System.err.println("Cannot get the factory " + factoryName);
return null;
}
return (HandlerFactory) bc.getService(refs[0]);
} catch (InvalidSyntaxException e) {
System.err.println("Cannot get the factory " + factoryName + " : " + e.getMessage());
return null;
}
}
public static ComponentInstance getComponentInstance(BundleContext bc, String factoryName, Dictionary configuration) {
Factory fact = getFactoryByName(bc, factoryName);
if (fact == null) {
System.err.println("Factory " + factoryName + " not found");
return null;
}
// if(fact.isAcceptable(configuration)) {
try {
return fact.createComponentInstance(configuration);
} catch (Exception e) {
System.err.println("Cannot create the instance from " + factoryName + " : " + e.getMessage());
e.printStackTrace();
return null;
}
// }
// else {
// System.err.println("Configuration not accepted by : " + factoryName);
// return null;
// }
}
public static ComponentInstance getComponentInstanceByName(BundleContext bc, String factoryName, String name) {
Factory fact = getFactoryByName(bc, factoryName);
if (fact == null) {
System.err.println("Factory " + factoryName + " not found");
return null;
}
try {
Properties props = new Properties();
props.put("instance.name",name);
return fact.createComponentInstance(props);
} catch (Exception e) {
System.err.println("Cannot create the instance from " + factoryName + " : " + e.getMessage());
e.printStackTrace();
return null;
}
}
public static ServiceReference[] getServiceReferences(BundleContext bc, String itf, String filter) {
ServiceReference[] refs = null;
try {
refs = bc.getServiceReferences(itf, filter);
} catch (InvalidSyntaxException e) {
System.err.println("Invalid Filter : " + filter);
}
if (refs == null) {
return new ServiceReference[0];
} else {
return refs;
}
}
public static ServiceReference getServiceReference(BundleContext bc, String itf, String filter) {
ServiceReference[] refs = null;
try {
refs = bc.getServiceReferences(itf, filter);
} catch (InvalidSyntaxException e) {
System.err.println("Invalid Filter : " + filter);
}
if (refs == null) {
return null;
} else {
return refs[0];
}
}
public static ServiceReference getServiceReferenceByName(BundleContext bc, String itf, String name) {
ServiceReference[] refs = null;
String filter = null;
if (itf.equals(Factory.class.getName()) || itf.equals(ManagedServiceFactory.class.getName())) {
filter = "(" + "factory.name" + "=" + name + ")";
} else {
filter = "(" + "instance.name" + "=" + name + ")";
}
try {
refs = bc.getServiceReferences(itf, filter);
} catch (InvalidSyntaxException e) {
System.err.println("Invalid Filter : " + filter);
}
if (refs == null) {
return null;
} else {
return refs[0];
}
}
public static Object getServiceObject(BundleContext bc, String itf, String filter) {
ServiceReference ref = getServiceReference(bc, itf, filter);
if (ref != null) {
return bc.getService(ref);
} else {
return null;
}
}
public static Object[] getServiceObjects(BundleContext bc, String itf, String filter) {
ServiceReference[] refs = getServiceReferences(bc, itf, filter);
if (refs != null) {
Object[] list = new Object[refs.length];
for (int i = 0; i < refs.length; i++) {
list[i] = bc.getService(refs[i]);
}
return list;
} else {
return new Object[0];
}
}
public static Factory getFactoryByName(ServiceContext bc, String factoryName) {
ServiceReference[] refs;
try {
refs = bc.getServiceReferences(Factory.class.getName(), "(factory.name=" + factoryName + ")");
if (refs == null) { return null; }
return ((Factory) bc.getService(refs[0]));
} catch (InvalidSyntaxException e) {
System.err.println("Cannot get the factory " + factoryName + " : " + e.getMessage());
return null;
}
}
public static ComponentInstance getComponentInstance(ServiceContext bc, String factoryName, Dictionary configuration) {
Factory fact = getFactoryByName(bc, factoryName);
if (fact == null) { return null; }
if (fact.isAcceptable(configuration)) {
try {
return fact.createComponentInstance(configuration);
} catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
return null;
}
} else {
System.err.println("Configuration not accepted by : " + factoryName);
return null;
}
}
public static ServiceReference[] getServiceReferences(ServiceContext bc, String itf, String filter) {
ServiceReference[] refs = null;
try {
refs = bc.getServiceReferences(itf, filter);
} catch (InvalidSyntaxException e) {
System.err.println("Invalid Filter : " + filter);
}
if (refs == null) {
return new ServiceReference[0];
} else {
return refs;
}
}
public static ServiceReference getServiceReference(ServiceContext bc, String itf, String filter) {
ServiceReference[] refs = null;
try {
refs = bc.getServiceReferences(itf, filter);
} catch (InvalidSyntaxException e) {
System.err.println("Invalid Filter : " + filter);
}
if (refs == null) {
return null;
} else {
return refs[0];
}
}
public static ServiceReference getServiceReferenceByName(ServiceContext bc, String itf, String name) {
ServiceReference[] refs = null;
String filter = null;
if (itf.equals(Factory.class.getName()) || itf.equals(ManagedServiceFactory.class.getName())) {
filter = "(" + "factory.name" + "=" + name + ")";
} else {
filter = "(" + "instance.name" + "=" + name + ")";
}
try {
refs = bc.getServiceReferences(itf, filter);
} catch (InvalidSyntaxException e) {
System.err.println("Invalid Filter : " + filter);
}
if (refs == null) {
return null;
} else {
return refs[0];
}
}
public static Object getServiceObject(ServiceContext bc, String itf, String filter) {
ServiceReference ref = getServiceReference(bc, itf, filter);
if (ref != null) {
return bc.getService(ref);
} else {
return null;
}
}
public static Object[] getServiceObjects(ServiceContext bc, String itf, String filter) {
ServiceReference[] refs = getServiceReferences(bc, itf, filter);
if (refs != null) {
Object[] list = new Object[refs.length];
for (int i = 0; i < refs.length; i++) {
list[i] = bc.getService(refs[i]);
}
return list;
} else {
return new Object[0];
}
}
}