2 * Copyright 2005-2010 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
27 public class ConnectRequiredExternallyRequiredEdgeFilter implements EdgeFilter {
28 private String client;
30 private String required;
32 private String externalRequired;
35 * Creates a new ConnectRequiredExternallyRequiredEdgeFilter object.
38 public ConnectRequiredExternallyRequiredEdgeFilter(String aClient,
39 String aRequired, String aExternalRequired) {
42 externalRequired = aExternalRequired;
45 throw new IllegalArgumentException(
46 "Client component must be specified");
49 if (required == null) {
50 throw new IllegalArgumentException(
51 "Required interface must be specified");
54 if (externalRequired == null) {
55 throw new IllegalArgumentException(
56 "External required interface must be specified");
61 public boolean isViolated(Edge aEdge) {
62 if (aEdge.getFrom() instanceof RequiredInterfaceNode &&
63 aEdge.getTo() instanceof ExternalRequiredInterfaceNode) {
64 return isViolated((RequiredInterfaceNode) aEdge.getFrom(),
65 (ExternalRequiredInterfaceNode) aEdge.getTo());
71 private boolean isViolated(RequiredInterfaceNode aFrom,
72 ExternalRequiredInterfaceNode aTo) {
73 if (!aFrom.getComponent().getName().equals(client)) {
74 return false; // wrong component.
77 if (!((required == null) || aFrom.getRequired().getName().equals(
79 return false; // wrong interface
82 if (!aTo.getRequired().getName().equals(externalRequired)) {
83 return true; // wrong externally required interface.