mirror of
https://github.com/bwssytems/ha-bridge.git
synced 2025-12-18 16:17:30 +00:00
Update application from amazon-echo-bridge-compact to ha-bridge.
Try to remove most code naming away from amazon. Fix package names being incorrect. Added Vera query functionality, needs some fine tuning.
This commit is contained in:
Admin
185
src/main/java/com/bwssystems/HABridge/dao/DeviceRepository.java
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185
src/main/java/com/bwssystems/HABridge/dao/DeviceRepository.java
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package com.bwssystems.HABridge.dao;
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import java.io.IOException;
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import java.io.StringReader;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardOpenOption;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Random;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.bwssystems.HABridge.JsonTransformer;
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import com.bwssystems.HABridge.dao.DeviceDescriptor;
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import com.google.gson.stream.JsonReader;
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import java.util.List;
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import java.util.ListIterator;
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/*
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* This is an in memory list to manage the configured devices and saves the list as a JSON string to a file for later
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* loading.
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*/
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public class DeviceRepository {
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Map<String, DeviceDescriptor> devices;
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Path repositoryPath;
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final Random random = new Random();
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final Logger log = LoggerFactory.getLogger(DeviceRepository.class);
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public DeviceRepository(String deviceDb) {
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super();
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repositoryPath = Paths.get(deviceDb);
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String jsonContent = repositoryReader(repositoryPath);
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devices = new HashMap<String, DeviceDescriptor>();
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if(jsonContent != null)
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{
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List<DeviceDescriptor> list = readJsonStream(jsonContent);
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ListIterator<DeviceDescriptor> theIterator = list.listIterator();
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DeviceDescriptor theDevice = null;
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while (theIterator.hasNext()) {
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theDevice = theIterator.next();
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put(Integer.parseInt(theDevice.getId()), theDevice);
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}
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}
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}
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public List<DeviceDescriptor> findAll() {
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List<DeviceDescriptor> list = new ArrayList<DeviceDescriptor>(devices.values());
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return list;
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}
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public List<DeviceDescriptor> findByDeviceType(String aType) {
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List<DeviceDescriptor> list = new ArrayList<DeviceDescriptor>(devices.values());
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return list;
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}
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public DeviceDescriptor findOne(String id) {
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return devices.get(id);
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}
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private void put(int id, DeviceDescriptor aDescriptor) {
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devices.put(String.valueOf(id),aDescriptor);
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}
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public void save(DeviceDescriptor aDescriptor) {
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int id = random.nextInt(Integer.MAX_VALUE);
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aDescriptor.setId(String.valueOf(id));
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put(id, aDescriptor);
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JsonTransformer aRenderer = new JsonTransformer();
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String jsonValue = aRenderer.render(findAll());
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repositoryWriter(jsonValue, repositoryPath);
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}
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public String delete(DeviceDescriptor aDescriptor) {
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if (aDescriptor != null) {
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devices.remove(aDescriptor.getId());
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JsonTransformer aRenderer = new JsonTransformer();
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String jsonValue = aRenderer.render(findAll());
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repositoryWriter(jsonValue, repositoryPath);
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return "Device with id '" + aDescriptor.getId() + "' deleted";
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} else {
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return "Device not found";
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}
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}
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private void repositoryWriter(String content, Path filePath) {
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if(Files.exists(filePath) && !Files.isWritable(filePath)){
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log.error("Error file is not writable: " + filePath);
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return;
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}
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if(Files.notExists(filePath.getParent())) {
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try {
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Files.createDirectories(filePath.getParent());
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} catch (IOException e) {
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log.error("Error creating the directory: " + filePath + " message: " + e.getMessage(), e);
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}
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}
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try {
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Files.write(filePath, content.getBytes(), StandardOpenOption.CREATE);
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} catch (IOException e) {
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log.error("Error writing the file: " + filePath + " message: " + e.getMessage(), e);
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}
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}
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private String repositoryReader(Path filePath) {
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String content = null;
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if(Files.notExists(filePath) || !Files.isReadable(filePath)){
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log.error("Error reading the file: " + filePath + " - Does not exist or is not readable. ");
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return null;
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}
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try {
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content = new String(Files.readAllBytes(filePath));
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} catch (IOException e) {
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log.error("Error reading the file: " + filePath + " message: " + e.getMessage(), e);
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}
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return content;
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}
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private List<DeviceDescriptor> readJsonStream(String context) {
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JsonReader reader = new JsonReader(new StringReader(context));
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List<DeviceDescriptor> theDescriptors = null;
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try {
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theDescriptors = readDescriptorArray(reader);
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} catch (IOException e) {
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log.error("Error reading json array: " + context + " message: " + e.getMessage(), e);
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} finally {
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try {
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reader.close();
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} catch (IOException e) {
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log.error("Error closing json reader: " + context + " message: " + e.getMessage(), e);
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}
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}
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return theDescriptors;
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}
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public List<DeviceDescriptor> readDescriptorArray(JsonReader reader) throws IOException {
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List<DeviceDescriptor> descriptors = new ArrayList<DeviceDescriptor>();
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reader.beginArray();
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while (reader.hasNext()) {
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descriptors.add(readDescriptor(reader));
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}
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reader.endArray();
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return descriptors;
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}
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public DeviceDescriptor readDescriptor(JsonReader reader) throws IOException {
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DeviceDescriptor deviceEntry = new DeviceDescriptor();
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reader.beginObject();
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while (reader.hasNext()) {
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String name = reader.nextName();
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if (name.equals("id")) {
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deviceEntry.setId(reader.nextString());
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log.debug("Read a Device - device json id: " + deviceEntry.getId());
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} else if (name.equals("name")) {
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deviceEntry.setName(reader.nextString());
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log.debug("Read a Device - device json name: " + deviceEntry.getName());
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} else if (name.equals("deviceType")) {
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deviceEntry.setDeviceType(reader.nextString());
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log.debug("Read a Device - device json type:" + deviceEntry.getDeviceType());
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} else if (name.equals("offUrl")) {
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deviceEntry.setOffUrl(reader.nextString());
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log.debug("Read a Device - device json off URL:" + deviceEntry.getOffUrl());
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} else if (name.equals("onUrl")) {
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deviceEntry.setOnUrl(reader.nextString());
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log.debug("Read a Device - device json on URL:" + deviceEntry.getOnUrl());
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} else {
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reader.skipValue();
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}
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}
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reader.endObject();
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return deviceEntry;
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}
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}
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