Java tutorial
/** * integration-bdio * * Copyright (C) 2018 Black Duck Software, Inc. * http://www.blackducksoftware.com/ * * 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 com.synopsys.integration.hub.bdio; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.nio.charset.StandardCharsets; import com.google.gson.Gson; import com.google.gson.stream.JsonReader; import com.synopsys.integration.hub.bdio.model.BdioBillOfMaterials; import com.synopsys.integration.hub.bdio.model.BdioComponent; import com.synopsys.integration.hub.bdio.model.BdioProject; import com.synopsys.integration.hub.bdio.model.SimpleBdioDocument; public class BdioReader implements Closeable { private final Gson gson; private final JsonReader jsonReader; public BdioReader(final Gson gson, final Reader reader) throws IOException { this.gson = gson; this.jsonReader = new JsonReader(reader); jsonReader.beginArray(); } public BdioReader(final Gson gson, final InputStream inputStream) throws IOException { this.gson = gson; this.jsonReader = new JsonReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8)); jsonReader.beginArray(); } public SimpleBdioDocument readSimpleBdioDocument() throws IOException { final SimpleBdioDocument document = new SimpleBdioDocument(); document.billOfMaterials = readBillOfMaterials(); document.project = readProject(); while (jsonReader.hasNext()) { document.components.add(readComponent()); } return document; } public BdioBillOfMaterials readBillOfMaterials() { return gson.fromJson(jsonReader, BdioBillOfMaterials.class); } public BdioProject readProject() { return gson.fromJson(jsonReader, BdioProject.class); } public BdioComponent readComponent() { return gson.fromJson(jsonReader, BdioComponent.class); } @Override public void close() throws IOException { jsonReader.endArray(); jsonReader.close(); } }