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/*
 *
 * Copyright (c) 2013 - 2018 Lijun Liao
 *
 * 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.xipki.ca.server.mgmt.shell;

import java.util.Collection;
import java.util.Set;

import org.apache.karaf.shell.api.action.lifecycle.Reference;
import org.xipki.ca.server.mgmt.api.CaManager;
import org.xipki.security.SecurityFactory;
import org.xipki.shell.XiAction;
import org.xipki.util.CollectionUtil;

/**
 * TODO.
 * @author Lijun Liao
 * @since 2.0.0
 */

public abstract class CaAction extends XiAction {

  @Reference
  protected CaManager caManager;

  @Reference
  protected SecurityFactory securityFactory;

  protected static String getRealString(String str) {
    return CaManager.NULL.equalsIgnoreCase(str) ? null : str;
  }

  protected static String toString(Collection col) {
    if (col == null) {
      return "null";
    }

    StringBuilder sb = new StringBuilder();
    sb.append("{");
    int size = col.size();

    int idx = 0;
    for (Object o : col) {
      sb.append(o);
      if (idx < size - 1) {
        sb.append(", ");
      }
      idx++;
    }
    sb.append("}");
    return sb.toString();
  }

  protected void printCaNames(StringBuilder sb, Set caNames, String prefix) {
    if (caNames.isEmpty()) {
      sb.append(prefix).append("-\n");
      return;
    }

    for (String caName : caNames) {
      Set aliases = caManager.getAliasesForCa(caName);
      if (CollectionUtil.isEmpty(aliases)) {
        sb.append(prefix).append(caName);
      } else {
        sb.append(prefix).append(caName + " (aliases " + aliases + ")");
      }
      sb.append("\n");
    }
  }

}