/*
* 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.felix.bundlerepository.impl;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.osgi.framework.namespace.IdentityNamespace;
import org.osgi.resource.Capability;
import org.osgi.resource.Requirement;
import org.osgi.resource.Resource;
import org.osgi.service.repository.ContentNamespace;
import org.osgi.service.repository.RepositoryContent;
public class FelixResourceAdapter implements Resource, RepositoryContent
{
private final org.apache.felix.bundlerepository.Resource resource;
public FelixResourceAdapter(final org.apache.felix.bundlerepository.Resource resource)
{
this.resource = resource;
}
public List<Capability> getCapabilities(String namespace)
{
ArrayList<Capability> result = new ArrayList<Capability>();
if (namespace == null || namespace.equals(IdentityNamespace.IDENTITY_NAMESPACE))
{
OSGiCapabilityImpl c = OSGiRepositoryImpl.newOSGiIdentityCapability(resource);
c.setResource(this);
result.add(c);
}
if (namespace == null || namespace.equals(ContentNamespace.CONTENT_NAMESPACE))
{
OSGiCapabilityImpl c = OSGiRepositoryImpl.newOSGiContentCapability(resource);
c.setResource(this);
result.add(c);
}
namespace = NamespaceTranslator.getFelixNamespace(namespace);
org.apache.felix.bundlerepository.Capability[] capabilities = resource.getCapabilities();
for (org.apache.felix.bundlerepository.Capability capability : capabilities)
{
if (namespace != null && !capability.getName().equals(namespace))
continue;
result.add(new FelixCapabilityAdapter(capability, this));
}
result.trimToSize();
return result;
}
public InputStream getContent()
{
try
{
return new URL(resource.getURI()).openStream();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
public List<Requirement> getRequirements(String namespace)
{
namespace = NamespaceTranslator.getFelixNamespace(namespace);
org.apache.felix.bundlerepository.Requirement[] requirements = resource.getRequirements();
ArrayList<Requirement> result = new ArrayList<Requirement>(requirements.length);
for (final org.apache.felix.bundlerepository.Requirement requirement : requirements)
{
if (namespace == null || requirement.getName().equals(namespace))
result.add(new FelixRequirementAdapter(requirement, this));
}
result.trimToSize();
return result;
}
@Override
public boolean equals(Object o)
{
if (o == this)
return true;
if (!(o instanceof Resource))
return false;
Resource that = (Resource) o;
if (!OSGiResourceHelper.getTypeAttribute(that).equals(OSGiResourceHelper.getTypeAttribute(this)))
return false;
if (!OSGiResourceHelper.getSymbolicNameAttribute(that).equals(OSGiResourceHelper.getSymbolicNameAttribute(this)))
return false;
if (!OSGiResourceHelper.getVersionAttribute(that).equals(OSGiResourceHelper.getVersionAttribute(this)))
return false;
return true;
}
@Override
public int hashCode()
{
int result = 17;
result = 31 * result + OSGiResourceHelper.getTypeAttribute(this).hashCode();
result = 31 * result + OSGiResourceHelper.getSymbolicNameAttribute(this).hashCode();
result = 31 * result + OSGiResourceHelper.getVersionAttribute(this).hashCode();
return result;
}
@Override
public String toString()
{
Capability c = getCapabilities(IdentityNamespace.IDENTITY_NAMESPACE).iterator().next();
Map<String, Object> atts = c.getAttributes();
return new StringBuilder().append(atts.get(IdentityNamespace.IDENTITY_NAMESPACE)).append(';')
.append(atts.get(IdentityNamespace.CAPABILITY_VERSION_ATTRIBUTE)).append(';')
.append(atts.get(IdentityNamespace.CAPABILITY_TYPE_ATTRIBUTE)).toString();
}
}