| /* |
| * 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.jsonb.extension; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.Reader; |
| import java.nio.charset.StandardCharsets; |
| import java.util.function.Supplier; |
| |
| import jakarta.json.JsonStructure; |
| |
| public class JsonValueReader<T> extends Reader implements Supplier<JsonStructure> { |
| private final JsonStructure input; |
| private ByteArrayInputStream fallbackDelegate; |
| private T result; |
| |
| public JsonValueReader(final JsonStructure input) { |
| this.input = input; |
| } |
| |
| @Override |
| public int read(final char[] cbuf, final int off, final int len) { |
| if (fallbackDelegate == null) { |
| fallbackDelegate = new ByteArrayInputStream(input.toString().getBytes(StandardCharsets.UTF_8)); |
| } |
| return fallbackDelegate.read(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (fallbackDelegate != null) { |
| fallbackDelegate.close(); |
| } |
| } |
| |
| @Override |
| public JsonStructure get() { |
| return input; |
| } |
| |
| @Deprecated |
| public JsonStructure getInput() { |
| return input; |
| } |
| |
| @Deprecated |
| public T getResult() { |
| return result; |
| } |
| |
| @Deprecated |
| public void setResult(final T result) { |
| this.result = result; |
| } |
| } |