org.apache.tuscany.sca.assembly.impl.EndpointImpl Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.assembly.impl;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.Component;
import org.apache.tuscany.sca.assembly.ComponentService;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.assembly.EndpointReference;
import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint;
import org.apache.tuscany.sca.assembly.builder.ContractBuilder;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.policy.ExtensionType;
import org.apache.tuscany.sca.policy.Intent;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.PolicySubject;
/**
* The assembly model object for an endpoint.
*
* @version $Rev: 1057645 $ $Date: 2011-01-11 16:11:55 +0200 (Tue, 11 Jan 2011) $
*/
public class EndpointImpl implements Endpoint {
private static final long serialVersionUID = 7344399683703812593L;
protected transient ExtensionPointRegistry registry;
protected transient BuilderExtensionPoint builders;
protected transient ContractBuilder contractBuilder;
protected boolean unresolved;
protected String uri;
protected Component component;
protected ComponentService service;
protected Binding binding;
protected InterfaceContract interfaceContract;
protected List callbackEndpointReferences = new ArrayList();
protected List policySets = new ArrayList();
protected List requiredIntents = new ArrayList();
protected boolean remote = false;
protected EndpointImpl(ExtensionPointRegistry registry) {
this.registry = registry;
}
@Override
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
public boolean isUnresolved() {
return unresolved;
}
public void setUnresolved(boolean unresolved) {
this.unresolved = unresolved;
}
public Component getComponent() {
resolve();
return component;
}
public void setComponent(Component component) {
this.component = component;
reset();
}
public ComponentService getService() {
resolve();
return service;
}
public void setService(ComponentService service) {
this.service = service;
reset();
}
public Binding getBinding() {
resolve();
return binding;
}
public void setBinding(Binding binding) {
this.binding = binding;
reset();
}
public InterfaceContract getComponentServiceInterfaceContract() {
resolve();
if (interfaceContract == null && service != null) {
interfaceContract = service.getInterfaceContract();
}
return interfaceContract;
}
public void setInterfaceContract(InterfaceContract interfaceContract) {
this.interfaceContract = interfaceContract;
}
/**
* Get the services callbacl enpoint references that
* represent endpoint references from which callbacks
* originate
*
* @return callbackEndpoint the reference callback endpoint
*/
public List getCallbackEndpointReferences() {
resolve();
return callbackEndpointReferences;
}
public List getPolicySets() {
resolve();
return policySets;
}
public List getRequiredIntents() {
resolve();
return requiredIntents;
}
public ExtensionType getExtensionType() {
getBinding();
if (binding instanceof PolicySubject) {
return ((PolicySubject)binding).getExtensionType();
}
return null;
}
public void setExtensionType(ExtensionType type) {
throw new UnsupportedOperationException();
}
public String toStringWithoutHash() {
String output = "Endpoint: ";
if (getURI() != null) {
output += " URI = " + getURI();
}
if (unresolved) {
output += " [Unresolved]";
}
return output;
}
public String toString() {
return "(@" + this.hashCode() + ")" + toStringWithoutHash();
}
public String getURI() {
if (uri == null) {
if (component != null && service != null && binding != null) {
String bindingName = binding.getName();
if (bindingName == null) {
bindingName = service.getName();
}
uri = component.getURI() + "#service-binding(" + service.getName() + "/" + bindingName + ")";
} else if (component != null && service != null) {
uri = component.getURI() + "#service(" + service.getName() + ")";
} else if (component != null) {
uri = component.getURI();
}
}
return uri;
}
public void setURI(String uri) {
this.uri = uri;
}
protected void resolve() {
}
protected void reset() {
this.uri = null;
}
protected void setExtensionPointRegistry(ExtensionPointRegistry registry) {
this.registry = registry;
}
public boolean isRemote() {
return remote;
}
public void setRemote(boolean remote) {
this.remote = remote;
}
public boolean matches(String serviceURI) {
String[] parts1 = parseServiceURI(serviceURI);
String[] parts2 = parseStructuralURI(getURI());
for (int i = 0; i < parts1.length; i++) {
if (parts1[i] == null || parts1[i].equals(parts2[i])) {
continue;
} else {
return false;
}
}
return true;
}
/**
* Parse the service URI into an array of names. The service URI is in one of the following formats:
*
* - componentName
*
- componentName/serviceName
*
- componentName/serviceName/bindingName
*
* @param serviceURI
* @return
*/
private static String[] parseServiceURI(String serviceURI) {
if (serviceURI.startsWith("/")) {
serviceURI = serviceURI.substring(1);
}
if (serviceURI.contains("#")) {
return parseStructuralURI(serviceURI);
}
String[] names = new String[3];
String[] segments = serviceURI.split("/");
for (int i = 0; i < names.length && i < segments.length; i++) {
names[i] = segments[i];
}
return names;
}
/**
* Parse the structural URI into an array of parts (componentURI, serviceName, bindingName)
* @param structuralURI
* @return [0]: componentURI [1]: serviceName [2]: bindingName
*/
private static String[] parseStructuralURI(String structuralURI) {
String[] names = new String[3];
int index = structuralURI.lastIndexOf('#');
if (index == -1) {
names[0] = structuralURI;
} else {
names[0] = structuralURI.substring(0, index);
String str = structuralURI.substring(index + 1);
if (str.startsWith("service-binding(") && str.endsWith(")")) {
str = str.substring("service-binding(".length(), str.length() - 1);
String[] parts = str.split("/");
if (parts.length != 2) {
throw new IllegalArgumentException("Invalid service-binding URI: " + structuralURI);
}
names[1] = parts[0];
names[2] = parts[1];
} else if (str.startsWith("service(") && str.endsWith(")")) {
str = str.substring("service(".length(), str.length() - 1);
// [rfeng] Deal with empty service name
if (!"".equals(str)) {
names[1] = str;
}
} else {
throw new IllegalArgumentException("Invalid structural URI: " + structuralURI);
}
}
return names;
}
public boolean isAsyncInvocation() {
if( service != null && service.getName().endsWith("_asyncCallback")){
// this is a response service at the reference component so don't create a
// response reference.
return false;
} // end if
for(Intent intent : getRequiredIntents()){
if (intent.getName().getLocalPart().equals("asyncInvocation")){
return true;
}
}
return false;
}
}