/*
* Licensed 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.
*/
package org.apache.karaf.cellar.dosgi;
import org.apache.karaf.cellar.core.MultiNode;
import org.apache.karaf.cellar.core.Node;
import org.osgi.framework.Filter;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.InvalidSyntaxException;
import java.io.Serializable;
import java.util.Dictionary;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
/**
* Description of an endpoint.
*/
public class EndpointDescription implements MultiNode {
//Id is {package}-{version}.
private final String id;
private final Set<Node> nodes = new LinkedHashSet<Node>();
private final Map<String, Object> properties = new HashMap<String, Object>();
/**
* Constructor
*
* @param id
* @param node
*/
public EndpointDescription(String id, Node node) {
this.id = id;
this.nodes.add(node);
properties.put(org.osgi.framework.Constants.OBJECTCLASS,getServiceClass());
}
/**
* Tests the properties of this <code>EndpointDescription</code> against
* the given filter using a case insensitive match.
*
* @param filter The filter to test.
* @return <code>true</code> If the properties of this
* <code>EndpointDescription</code> match the filter,
* <code>false</code> otherwise.
* @throws IllegalArgumentException If <code>filter</code> contains an
* invalid filter string that cannot be parsed.
*/
public boolean matches(String filter) {
Filter f;
try {
f = FrameworkUtil.createFilter(filter);
} catch (InvalidSyntaxException e) {
IllegalArgumentException iae = new IllegalArgumentException(e.getMessage());
iae.initCause(e);
throw iae;
}
Dictionary dictionary = new Properties();
for (Map.Entry<String, Object> entry : properties.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
dictionary.put(key, value);
}
/*
* we can use matchCase here since properties already supports case
* insensitive key lookup.
*/
return f.matchCase(dictionary);
}
public String getId() {
return id;
}
public Set<Node> getNodes() {
return nodes;
}
public void setNodes(Set<Node> nodes) {
if(nodes != null) {
for(Node node:nodes) {
this.nodes.add(node);
}
}
}
public Map<String, Object> getProperties() {
return properties;
}
public final String getServiceClass() {
String result = null;
if(id != null) {
String[] parts = id.split(Constants.SEPARATOR);
if(parts != null && parts.length > 0) {
result = parts[0];
}
}
return result;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
EndpointDescription endpointDescription = (EndpointDescription) o;
if (id != null ? !id.equals(endpointDescription.id) : endpointDescription.id != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
return id != null ? id.hashCode() : 0;
}
}