/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2006-2016
 *
 * 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.glite.security.voms.admin.operations.groups;

import org.glite.security.voms.admin.operations.BaseMemberhipReadOperation;
import org.glite.security.voms.admin.operations.VOMSContext;
import org.glite.security.voms.admin.persistence.dao.VOMSGroupDAO;
import org.glite.security.voms.admin.persistence.dao.VOMSRoleDAO;
import org.glite.security.voms.admin.persistence.model.VOMSGroup;
import org.glite.security.voms.admin.persistence.model.VOMSRole;
import org.glite.security.voms.admin.view.actions.SearchData;

public class SearchMembersOperation extends BaseMemberhipReadOperation {

  int firstResult = 0, maxResults = 0;
  String searchString;

  private SearchMembersOperation(VOMSContext c, String searchString,
    int firstResult, int maxResults) {

    super(c);

    this.firstResult = firstResult;
    this.maxResults = maxResults;
    this.searchString = searchString;
  }

  private SearchMembersOperation(VOMSGroup g, VOMSRole r, String searchString,
    int firstResult, int maxResults) {

    super(VOMSContext.instance(g, r));

    this.firstResult = firstResult;
    this.maxResults = maxResults;

    this.searchString = searchString;

  }

  protected Object doExecute() {

    if (!__context.isGroupContext())
      return VOMSRoleDAO.instance().searchMembers(__context.getGroup(),
        __context.getRole(), searchString, firstResult, maxResults);

    return VOMSGroupDAO.instance().searchMembers(__context.getGroup(),
      searchString, firstResult, maxResults);

  }

  public static SearchMembersOperation instance(VOMSGroup g, VOMSRole r,
    String searchString, int firstResult, int maxResults) {

    return new SearchMembersOperation(g, r, searchString, firstResult,
      maxResults);
  }

  public static SearchMembersOperation instance(VOMSGroup g,
    String searchString, int firstResult, int maxResults) {

    return new SearchMembersOperation(g, null, searchString, firstResult,
      maxResults);
  }

  public static SearchMembersOperation instance(SearchData sd) {

    VOMSContext ctxt = VOMSContext.instance(sd.getGroupId(), sd.getRoleId());

    return new SearchMembersOperation(ctxt, sd.getText(), sd.getFirstResult(),
      sd.getMaxResults());
  }
}