google-nomulus/java/com/google/domain/registry/whois/Whois.java

// Copyright 2016 Google Inc. All Rights Reserved.
//
// 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 com.google.domain.registry.whois;

import com.google.domain.registry.util.Clock;

import org.joda.time.DateTime;

import java.io.IOException;
import java.io.StringReader;

import javax.inject.Inject;

/** High-level WHOIS API for other packages. */
public final class Whois {

  private final Clock clock;

  @Inject
  public Whois(Clock clock) {
    this.clock = clock;
  }

  /**
   * Performs a WHOIS lookup on a plaintext query string.
   *
   * @throws WhoisException if the record is not found or the query is invalid
   */
  public WhoisResponse lookup(String query) throws WhoisException {
    DateTime now = clock.nowUtc();
    try {
      return new WhoisReader(new StringReader(query), now)
          .readCommand()
          .executeQuery(now);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
}