/** * Copyright (c) 2008 - 2011 10gen, Inc. <http://10gen.com> * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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.mongodb; import org.bson.BSONObject; import org.bson.io.OutputBuffer; import java.io.IOException; import java.io.OutputStream; /** * Encoder that only knows how to encode BSONObject instances of type LazyDBObject. */ public class LazyDBEncoder implements DBEncoder { @Override public int writeObject(final OutputBuffer buf, BSONObject o) { if (!(o instanceof LazyDBObject)) { throw new IllegalArgumentException("LazyDBEncoder can only encode BSONObject instances of type LazyDBObject"); } LazyDBObject lazyDBObject = (LazyDBObject) o; try { lazyDBObject.pipe(buf); } catch (IOException e) { throw new MongoException("Exception serializing a LazyDBObject", e); } return lazyDBObject.getBSONSize(); } }