2 * Copyright 2008 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.system.graph.component;
18 import org.wamblee.system.graph.Edge;
19 import org.wamblee.system.graph.EdgeFilter;
22 * Filter used to explicitly connect required and provided interfaces within a
25 * @author Erik Brakkee
28 public class ConnectExternalProvidedProvidedFilter implements EdgeFilter {
30 private String externalProvided;
31 private String component;
32 private String provided;
34 public ConnectExternalProvidedProvidedFilter(String aExternalProvided, String aComponent,
36 externalProvided = aExternalProvided;
37 component = aComponent;
39 if ( externalProvided == null ) {
40 throw new IllegalArgumentException("External provided interface name must be specified.");
42 if ( component == null ) {
43 throw new IllegalArgumentException("Component name must be specified");
45 if ( provided == null ) {
46 throw new IllegalArgumentException("Provided interface name of internal component must be specified");
51 public boolean isViolated(Edge aEdge) {
52 if (aEdge.getFrom() instanceof ExternalProvidedInterfaceNode
53 && aEdge.getTo() instanceof ProvidedInterfaceNode) {
54 return isViolated((ExternalProvidedInterfaceNode) aEdge.getFrom(),
55 (ProvidedInterfaceNode) aEdge.getTo());
60 private boolean isViolated(ExternalProvidedInterfaceNode aFrom,
61 ProvidedInterfaceNode aTo) {
62 if ( !aFrom.getName().equals(externalProvided)) {
63 return false; // wrong provided interface.
65 if ( aTo.getComponent().getName().equals(component) &&
66 aTo.getProvided().getName().equals(provided) ) {