| /* |
| * 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. |
| */ |
| package org.apache.felix.http.base.internal.runtime; |
| |
| import org.apache.felix.http.base.internal.util.InternalIdFactory; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Filter; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.http.whiteboard.HttpWhiteboardConstants; |
| |
| /** |
| * Base class for all info objects. |
| * Provides support for ranking and ordering of services. |
| */ |
| public abstract class WhiteboardServiceInfo<T> extends AbstractInfo<T> |
| { |
| /** The context selection. */ |
| private final String contextSelection; |
| |
| private final Filter filter; |
| |
| public WhiteboardServiceInfo(final ServiceReference<T> ref) |
| { |
| super(ref); |
| String sel = getStringProperty(ref, HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_SELECT); |
| if ( isEmpty(sel) ) |
| { |
| this.contextSelection = "(" + HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_NAME + "=" |
| + HttpWhiteboardConstants.HTTP_WHITEBOARD_DEFAULT_CONTEXT_NAME + ")"; |
| } |
| else |
| { |
| this.contextSelection = sel; |
| } |
| Filter f = null; |
| try |
| { |
| final Bundle bundle = ref.getBundle(); |
| if ( bundle != null ) |
| { |
| final BundleContext ctx = bundle.getBundleContext(); |
| if ( ctx != null ) |
| { |
| f = ctx.createFilter(this.contextSelection); |
| } |
| } |
| } |
| catch ( final InvalidSyntaxException ise) |
| { |
| // ignore |
| f = null; |
| } |
| this.filter = f; |
| } |
| |
| public WhiteboardServiceInfo(final int ranking) |
| { |
| this(ranking, InternalIdFactory.INSTANCE.next()); |
| |
| } |
| |
| public WhiteboardServiceInfo(final int ranking, final long serviceId) |
| { |
| super(ranking, serviceId); |
| this.contextSelection = null; |
| this.filter = null; |
| } |
| |
| @Override |
| public boolean isValid() |
| { |
| return super.isValid() && (this.filter != null || this.getServiceReference() == null); |
| } |
| |
| public String getContextSelection() |
| { |
| return this.contextSelection; |
| } |
| |
| public Filter getContextSelectionFilter() |
| { |
| return this.filter; |
| } |
| } |