server/src/main/java/org/apache/abdera/protocol/server/impl/AbstractWorkspaceProvider.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  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.  For additional information regarding
 * copyright in this work, please see the NOTICE file in the top level
 * directory of this distribution.
 */
package org.apache.abdera.protocol.server.impl;

import java.util.Collection;
import java.util.HashSet;

import org.apache.abdera.protocol.Resolver;
import org.apache.abdera.protocol.server.RequestContext;
import org.apache.abdera.protocol.server.Target;
import org.apache.abdera.protocol.server.TargetBuilder;
import org.apache.abdera.protocol.server.WorkspaceInfo;
import org.apache.abdera.protocol.server.WorkspaceManager;

/**
 * An abstract base Provider implementation that implements the WorkspaceManager
 * interface.  This is intended to be used by Provider's that do not wish to 
 * use a separate WorkspaceManager object. 
 */
public abstract class AbstractWorkspaceProvider 
  extends AbstractProvider 
  implements WorkspaceManager {
  
  protected Resolver<Target> targetResolver;
  protected TargetBuilder targetBuilder;
  protected Collection<WorkspaceInfo> workspaces;

  protected WorkspaceManager getWorkspaceManager(
    RequestContext request) {
      return this;
  }
    
  protected Resolver<Target> getTargetResolver(
    RequestContext request) {
      return targetResolver;
  }
  
  protected TargetBuilder getTargetBuilder(
    RequestContext request) {
      return targetBuilder;
  }

  protected void setTargetBuilder(TargetBuilder targetBuilder) {
    this.targetBuilder = targetBuilder;
  }
  
  protected void setTargetResolver(Resolver<Target> targetResolver) {
    this.targetResolver = targetResolver;
  }
  
  public Collection<WorkspaceInfo> getWorkspaces(RequestContext request) {
    return workspaces;
  }

  public void addWorkspace(WorkspaceInfo workspace) {
    if (workspaces == null) {
      workspaces = new HashSet<WorkspaceInfo>();
    }
    workspaces.add(workspace);
  }
  
}