2 * Copyright 2007 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.core;
18 import java.util.ArrayList;
19 import java.util.Arrays;
20 import java.util.Collections;
21 import java.util.List;
25 * Default implementation of a service descriptor.
27 * @author Erik Brakkee
29 public class DefaultProvidedInterface implements ProvidedInterface {
38 private Class[] interfaces;
41 * Constructs the descriptor.
42 * @param aInterface Type of service.
44 public DefaultProvidedInterface(String aName, Class aInterface) {
45 this(aName, new Class[] { aInterface });
49 * Creates a new DefaultProvidedInterface object.
51 * @param aName DOCUMENT ME!
52 * @param aInterfaces DOCUMENT ME!
54 public DefaultProvidedInterface(String aName, Class[] aInterfaces) {
56 interfaces = Arrays.copyOf(aInterfaces, aInterfaces.length);
62 * @return DOCUMENT ME!
65 public String getName() {
72 * @return DOCUMENT ME!
75 public Class[] getInterfaceTypes() {
82 * @return DOCUMENT ME!
85 public String toString() {
86 StringBuffer buf = new StringBuffer();
87 buf.append(getName());
90 for (Class intf : interfaces) {
91 buf.append(" " + intf.getName());
94 return buf.toString();
100 * @param aObj DOCUMENT ME!
102 * @return DOCUMENT ME!
105 public boolean equals(Object aObj) {
109 if ( !(aObj instanceof DefaultProvidedInterface)) {
112 DefaultProvidedInterface provided = (DefaultProvidedInterface)aObj;
113 return getEqualsRepresentation().equals(provided.getEqualsRepresentation());
120 * @return DOCUMENT ME!
123 public int hashCode() {
124 return getEqualsRepresentation().hashCode();
130 * @param aInterface DOCUMENT ME!
132 * @return DOCUMENT ME!
135 public boolean covers(ProvidedInterface aInterface) {
136 // TODO do more than just equals.
137 if (!(aInterface instanceof DefaultProvidedInterface)) {
141 return getEqualsRepresentation()
142 .equals(((DefaultProvidedInterface) aInterface).getEqualsRepresentation());
148 * @return DOCUMENT ME!
150 private String getEqualsRepresentation() {
151 List<String> result = new ArrayList<String>();
153 for (Class cls : interfaces) {
154 result.add(cls.getName());
157 Collections.sort(result);
161 for (String str : result) {
162 value += (":" + str);