| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. 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. |
| */ |
| package org.apache.johnzon.core; |
| |
| import java.io.Serializable; |
| |
| import javax.json.JsonArray; |
| import javax.json.JsonObject; |
| import javax.json.JsonStructure; |
| import javax.json.JsonWriter; |
| import javax.json.stream.JsonGenerator; |
| |
| class JsonWriterImpl implements JsonWriter, Serializable{ |
| private final JsonGenerator generator; |
| private boolean closed = false; |
| |
| JsonWriterImpl(final JsonGenerator generator) { |
| this.generator = generator; |
| } |
| |
| @Override |
| public void writeArray(final JsonArray array) { |
| checkClosed(); |
| generator.write(array); |
| close(); |
| } |
| |
| @Override |
| public void writeObject(final JsonObject object) { |
| checkClosed(); |
| generator.write(object); |
| close(); |
| } |
| |
| @Override |
| public void write(final JsonStructure value) { |
| checkClosed(); |
| generator.write(value); |
| close(); |
| } |
| |
| @Override |
| public void close() { |
| |
| if(!closed) { |
| closed = true; |
| generator.close(); |
| } |
| } |
| |
| private void checkClosed() { |
| if(closed) { |
| throw new IllegalStateException("writeArray(), writeObject(), write() or close() method was already called"); |
| } |
| |
| } |
| } |