/*
- * Copyright 2007 the original author or authors.
+ * Copyright 2005-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
package org.wamblee.system.core;
+import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
/**
* Default implementation of a service descriptor.
- *
+ *
* @author Erik Brakkee
*/
public class DefaultProvidedInterface implements ProvidedInterface {
-
- private String _name;
- private Class[] _interfaces;
- private Object _implementation;
-
- /**
- * Constructs the descriptor.
- * @param aInterface Type of service.
- */
- public DefaultProvidedInterface(String aName, Class aInterface) {
- _name = aName;
- _interfaces = new Class[] { aInterface };
- }
-
- public DefaultProvidedInterface(String aName, Class[] aInterfaces) {
- _name = aName;
- _interfaces = Arrays.copyOf(aInterfaces, aInterfaces.length);
- }
-
- @Override
- public String getName() {
- return _name;
- }
-
- @Override
- public Class[] getInterfaceTypes() {
- return _interfaces;
- }
-
- @Override
- public void publish(Object aImplementation) {
- _implementation = aImplementation;
- }
-
- @Override
- public Object getImplementation() {
- return _implementation;
- }
-
- @Override
- public boolean equals(Object obj) {
- if ( !(obj instanceof DefaultProvidedInterface)) {
- return false;
- }
- DefaultProvidedInterface descr = (DefaultProvidedInterface)obj;
- if ( _interfaces.length != descr._interfaces.length ) {
- return false;
- }
- String[] interfaces1 = new String[_interfaces.length];
- String[] interfaces2 = new String[_interfaces.length];
- for (int i = 0; i < _interfaces.length; i++) {
- interfaces1[i] = _interfaces[i].getName();
- interfaces2[i] = descr._interfaces[i].getName();
- }
- Arrays.sort(interfaces1);
- Arrays.sort(interfaces2);
- return Arrays.equals(interfaces1, interfaces2);
- }
-
- @Override
- public int hashCode() {
- return _interfaces.hashCode();
- }
-
- @Override
- public String toString() {
- StringBuffer buf = new StringBuffer();
- buf.append(getName());
- buf.append(":");
- for (Class intf: _interfaces) {
- buf.append(" " + intf.getName());
- }
- return buf.toString();
- }
+ private String name;
+
+ private Class[] interfaces;
+
+ /**
+ * Constructs the descriptor.
+ *
+ * @param aInterface
+ * Type of service.
+ */
+ public DefaultProvidedInterface(String aName, Class aInterface) {
+ this(aName, new Class[] { aInterface });
+ }
+
+ /**
+ * Creates a new DefaultProvidedInterface object.
+ *
+ */
+ public DefaultProvidedInterface(String aName, Class[] aInterfaces) {
+ name = aName;
+ interfaces = Arrays.copyOf(aInterfaces, aInterfaces.length);
+ }
+
+ @Override
+ public String getName() {
+ return name;
+ }
+
+ @Override
+ public Class[] getInterfaceTypes() {
+ return interfaces;
+ }
+
+ @Override
+ public String toString() {
+ StringBuffer buf = new StringBuffer();
+ buf.append(getName());
+ buf.append(":");
+
+ for (Class intf : interfaces) {
+ buf.append(" " + intf.getName());
+ }
+
+ return buf.toString();
+ }
+
+ @Override
+ public boolean equals(Object aObj) {
+ return this == aObj;
+
+ /*
+ * if ( !(aObj instanceof DefaultProvidedInterface)) { return false; }
+ * DefaultProvidedInterface provided = (DefaultProvidedInterface)aObj;
+ * return
+ * getEqualsRepresentation().equals(provided.getEqualsRepresentation());
+ */
+ }
+
+ @Override
+ public int hashCode() {
+ return getEqualsRepresentation().hashCode();
+ }
+
+ @Override
+ public boolean covers(ProvidedInterface aInterface) {
+ // TODO do more than just equals.
+ if (!(aInterface instanceof DefaultProvidedInterface)) {
+ return false;
+ }
+
+ return getEqualsRepresentation().equals(
+ ((DefaultProvidedInterface) aInterface).getEqualsRepresentation());
+ }
+
+ private String getEqualsRepresentation() {
+ List<String> result = new ArrayList<String>();
+
+ for (Class cls : interfaces) {
+ result.add(cls.getName());
+ }
+
+ Collections.sort(result);
+
+ StringBuffer value = new StringBuffer();
+
+ for (String str : result) {
+ value.append(":" + str);
+ }
+
+ return value.toString();
+ }
}