AVACloud Java Examples - www.dangl-it.com

AuthSetup.java

private static void executeAvaCloudExample(String[] args) {
    String clientId = args[0];
    String clientSecret = args[1];
    String gaebFilePath = args[2];
    String bearerToken;
    try {
        bearerToken = DanglIdentityUtils.getBearerToken(clientId, clientSecret);
    } catch (IOException e)  {
        System.out.println("IO Exception while obtaining access token:");
        System.out.println(e.toString());
        return;
    }
    // Configure OAuth2 access token for Dangl.Identity authorization
    ApiClient defaultClient = Configuration.getDefaultApiClient();
    OAuth danglIdentity = (OAuth) defaultClient.getAuthentication("Dangl.Identity");
    danglIdentity.setAccessToken(bearerToken);
    File gaebInputFile = new File(gaebFilePath);
    try {
        transformGaebToExcel(gaebInputFile);
        printProjectTotalPriceAndPositionCount(gaebInputFile);
    } catch (ApiException e) {
        System.err.println("Exception in AVACloud example");
        e.printStackTrace();
    }
}

AvaAnalyse.java

private static BigDecimal getProjectTotalPrice(ProjectDto project) {
    return project
        .getServiceSpecifications()
        .get(0)
        .getTotalPrice();
} 
private static Integer getProjectPositionCount(ProjectDto project) {
    ServiceSpecificationDto servSpec = project
        .getServiceSpecifications()
        .get(0);
    Integer positionsCount = getPositionsInElementList(servSpec.getElements());
    return positionsCount;
}
private static Integer getPositionsInElementList(List<IElementDto> elements) {
    Integer positionsCount = 0;
    for(IElementDto element: elements) {
        if (element instanceof PositionDto) {
            positionsCount++;
        } else if (element instanceof ServiceSpecificationGroupDto) {
            positionsCount += getPositionsInElementList(((ServiceSpecificationGroupDto)element).getElements());
        }
    }
    return positionsCount;
}

AvaConversion.java

private static void printProjectTotalPriceAndPositionCount(File gaebFile) throws ApiException {
    GaebConversionApi gaebConversionApi = new GaebConversionApi();
    ProjectDto project = gaebConversionApi.gaebConversionConvertToAva(gaebFile, true, true);
    BigDecimal totalPrice = getProjectTotalPrice(project);
    System.out.println("Project total price (net): " + totalPrice);
    Integer countOfPositions = getProjectPositionCount(project);
    System.out.println("Count of positions: " + countOfPositions);
}

DanglIdentityUtils.java

public static String getBearerToken(String clientId, String clientSecret) throws IOException {
    String basicCredentials = Credentials.basic(clientId, clientSecret);
    String requestBodyContent = "grant_type=client_credentials&scope=avacloud";
    RequestBody requestBody = RequestBody.create(MediaType.parse("application/x-www-form-urlencoded"), requestBodyContent);
    Request request = new Request
        .Builder()
        .header("Authorization", basicCredentials)
        .url("https://identity.dangl-it.com/connect/token")
        .post(requestBody)
        .build();
    OkHttpClient httpClient = new OkHttpClient();
    Response response = httpClient.newCall(request).execute();
    String responseBody = response.body().string();
    JsonObject jsonResponse = new Gson().fromJson(responseBody, JsonObject.class);
    String accessToken = jsonResponse.get("access_token").getAsString();
    return accessToken;
}

ExcelConversion.java

private static void transformGaebToExcel(File gaebFile) throws ApiException {
    GaebConversionApi gaebConversionApi = new GaebConversionApi();
    File excelConversionResult = gaebConversionApi.gaebConversionConvertToExcel(gaebFile, true, true, "de");
    String excelResultFilePath = gaebFile.getAbsolutePath() + ".xlsx";
    System.out.println("Saving Excel conversion result to:");
    System.out.println(excelResultFilePath);
    try {
        Files.copy(excelConversionResult.toPath(), Paths.get(excelResultFilePath).toAbsolutePath(), StandardCopyOption.REPLACE_EXISTING);
    } catch (IOException e) {
        System.out.println("IO Exception while saving Excel file:");
        System.out.println(e.toString());
    }
}

pom.xml

<dependency>
    <groupId>io.swagger</groupId>
    <artifactId>swagger-annotations</artifactId>
    <version>1.5.15</version>
</dependency>
<dependency>
    <groupId>com.squareup.okhttp</groupId>
    <artifactId>okhttp</artifactId>
    <version>2.7.5</version>
</dependency>
<dependency>
    <groupId>com.squareup.okhttp</groupId>
    <artifactId>logging-interceptor</artifactId>
    <version>2.7.5</version>
</dependency>
<dependency>
    <groupId>com.google.code.gson</groupId>
    <artifactId>gson</artifactId>
    <version>2.8.1</version>
</dependency>
<dependency>
    <groupId>io.gsonfire</groupId>
    <artifactId>gson-fire</artifactId>
    <version>1.8.0</version>
</dependency>
<!-- This dependency is required in Java 11 -->
<dependency>
    <groupId>javax.annotation</groupId>
    <artifactId>javax.annotation-api</artifactId>
    <version>1.3.2</version>
</dependency>