package org.apache.aries.application.utils.service;
import static org.apache.aries.application.utils.AppConstants.LOG_ENTRY;
import static org.apache.aries.application.utils.AppConstants.LOG_EXIT;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.aries.application.modelling.ExportedService;
import org.apache.aries.application.modelling.WrappedServiceMetadata;
/*
* 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.
*/
public class ExportedServiceHelper {
public static String generatePortableExportedServiceToString(ExportedService svc) {
List<String> interfaces = new ArrayList<String>(svc.getInterfaces());
Collections.sort(interfaces);
List<String> props = new ArrayList<String>();
for (Map.Entry<String, Object> entry : svc.getServiceProperties().entrySet()) {
Object entryValue = entry.getValue();
String entryText;
if (entryValue.getClass().isArray()) {
// Turn arrays into comma separated Strings
Object [] entryArray = (Object[]) entryValue;
StringBuilder sb = new StringBuilder();
for (Object o: entryArray) {
sb.append(String.valueOf(o) + ",");
}
sb = sb.deleteCharAt(sb.length()-1);
entryText = sb.toString();
} else {
entryText = String.valueOf(entryValue);
}
props.add ("<entry> key=\"" + entry.getKey() + "\" value=\"" + entryText + "\"/>");
}
Collections.sort(props);
StringBuffer buf = new StringBuffer("<service>");
if(svc.getName() != null) {
buf.append("<name>" + svc.getName() + "</name>");
}
if (interfaces.size() > 0) {
buf.append("<interfaces>");
}
for (String i : interfaces) {
buf.append("<value>" + i + "</value>");
}
if (interfaces.size() > 0) {
buf.append("</interfaces>");
}
if (svc.getServiceProperties().size() > 0) {
buf.append("<service-properties>");
}
for (String p : props) {
buf.append(p);
}
if (svc.getServiceProperties().size() > 0) {
buf.append("</service-properties>");
}
buf.append("</service>");
return buf.toString();
}
public static boolean portableExportedServiceIdenticalOrDiffersOnlyByName(ExportedService svc, WrappedServiceMetadata wsmi) {
if (svc.equals(wsmi)) {
return true;
}
Set<String> svcInterfaces = new HashSet<String>(svc.getInterfaces());
Set<String> cmpInterfaces = new HashSet<String>(wsmi.getInterfaces());
if (!svcInterfaces.equals(cmpInterfaces)) {
return false;
}
boolean propertiesEqual = svc.getServiceProperties().equals(wsmi.getServiceProperties());
if (!propertiesEqual) {
return false;
}
return true;
}
public static boolean portableExportedServiceEquals (ExportedService left, Object right) {
// Doubles as a null check
if (!(right instanceof WrappedServiceMetadata)) {
return false;
}
if (right == left) {
return true;
}
boolean eq = left.toString().equals(right.toString());
return eq;
}
public static int portableExportedServiceHashCode(ExportedService svc) {
int result = svc.toString().hashCode();
return result;
}
public static int portableExportedServiceCompareTo(ExportedService svc, WrappedServiceMetadata o) {
if (o == null) {
return -1; // shunt nulls to the end of any lists
}
int result = svc.toString().compareTo(o.toString());
return result;
}
}