/*
* 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 WARRANTIESOR 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.aries.application.impl;
import org.apache.aries.application.Content;
import org.apache.aries.application.ServiceDeclaration;
import org.osgi.framework.Filter;
import org.osgi.framework.FrameworkUtil;
import org.osgi.framework.InvalidSyntaxException;
/**
* this class represents the Import-Services and Export-Services
* in the Application.mf file
*
*/
public class ServiceDeclarationImpl implements ServiceDeclaration
{
private static final String FILTER = "filter";
private String interfaceName;
private Filter filter;
/**
* construct the ServiceDeclaration from the service string
* @param service A single service string value from the Import-Services or Export-Services header
* @throws InvalidSyntaxException
*/
public ServiceDeclarationImpl(String service) throws InvalidSyntaxException
{
Content content = new ContentImpl(service);
this.interfaceName = content.getContentName();
String filterString = content.getAttribute(FILTER);
if (filterString != null) {
try {
this.filter = FrameworkUtil.createFilter(filterString);
} catch (InvalidSyntaxException ise) {
throw new InvalidSyntaxException("Failed to create filter for " + service, ise.getFilter(), ise.getCause());
}
}
}
/* (non-Javadoc)
* @see org.apache.aries.application.impl.ServiceDeclaration#getInterfaceName()
*/
public String getInterfaceName()
{
return this.interfaceName;
}
/* (non-Javadoc)
* @see org.apache.aries.application.impl.ServiceDeclaration#getFilter()
*/
public Filter getFilter()
{
return this.filter;
}
@Override
public int hashCode()
{
final int prime = 31;
int result = 1;
result = prime * result + ((filter == null) ? 0 : filter.hashCode());
result = prime * result + ((interfaceName == null) ? 0 : interfaceName.hashCode());
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
ServiceDeclarationImpl other = (ServiceDeclarationImpl) obj;
if (filter == null) {
if (other.filter != null) return false;
} else if (!filter.equals(other.filter)) return false;
if (interfaceName == null) {
if (other.interfaceName != null) return false;
} else if (!interfaceName.equals(other.interfaceName)) return false;
return true;
}
}