DOC Report Generator for Java

Java library to build highly customized DOC reports using REST API

Seamlessly integrate generation of DOC documents based on templates and data sources into your Java software.

Automate DOC document generation in Java, create print-ready DOC reports of any complexity with Java SDK. This Cloud-based solution is built around templates, data sources and a powerful LINQ-syntax, giving Java developers the flexibility to fit precise technical and business requirements.

Using this Java library, you can programmatically build highly customized DOC reports on any operating system. Richly formatted DOC documents like contracts, orders, invoices, shipment reports, sales proposals, inventories can be assembled on the fly as a part of your Java software.

Streamline DOC document generation using Java

The importance of Document Automation and Report Generation has grown immensely over the past decades. Almost every company has a need to generate documents and deliver them to partners or customers on time. Moreover, it is usually a decisive factor in financial success. Implementing such technologies can result in significant financial savings by reducing manual data entry, human error, proofreading and paperwork. For these reasons, document automation and reporting tools are an integral part of many modern software solutions that aim to provide advanced analytical features to users.

Generally speaking, DOC report generation is a process that combines text, data and graphics into a single entity and exports the result in a convenient visual form to DOC file format. For information on supported I/O formats, please visit our Documentation.

What is GroupDocs Assembly for Java

GroupDocs Assembly for Java is a Cloud-based solution for generating DOC documents using templates and data sources. The document template acts as a base-frame, which, in addition to the standard content (text, tables, charts, etc.), includes special placeholder fields for inserting values from the data source. Not only individual values can be inserted, but also entire arrays of data in the form of tables and graphs.

The template also contains programming constructs - DOC document generation rules - that control data selection and condition processing. Binding data to a document template uses LINQ-expression syntax, which allows developers to process data in a generic way, regardless of the type of data source used. In this way, our Java Cloud SDK gives you flexibility in DOC content generation and a powerful set of methods for data processing.

This product also supports Mail Merge functionality in case you want to create and send batches of personalized letters in DOC format to customers. You just need to insert Mail Merge fields to the document template and pass it to the Cloud API together with a data source.

Regardless of the scale and type of DOC document automation you are going to implement, there are three steps to build a report in Java:

  • Create a Word document template with placeholder fields and document generation rules that will regulate structure and content variations
  • Create a data source in DOC or JSON format
  • Write a few lines of Java code to pass everything to the Document Building API and get the assembled result in DOC format back

Designing a document template and using DOC document generation rules

Designing templates is a difficult task. In addition to a clear understanding of the requirements for the final DOC document, analytical and programming skills are required. A good template design should reflect the customer's view on a particular issue. The most effective approach is to combine tabular data and graphics in the right balance, determined by business requirements.

As mentioned above, the template structure usually contains some fixed blocks of content (text, images, logos, etc.) mixed with special programming constructs that control DOC document assembly logic. These DOC document generation rules are defined with a special expression syntax, which enables developers to do the following:

  • embed external document content, images, charts, lists, tables, hyperlinks, bookmarks, etc.
  • work with data using formulas and sequential data operations
  • specify the presentation format for numeric, text, graphic, graphic, and date and time elements
  • insert blocks of content depending on conditional expressions
  • define special variables for 'expensive' calculations that are calculated only once
  • calculate formulas when assembling spreadsheet documents
  • assign email message body attributes and dynamically create attachments
  • create and insert barcodes
  • set background color for HTML documents

You can learn more about template syntax in our Developer Guide.

Requirements

GroupDocs Assembly for Java does not require any external software or third-party tools to be installed. This is a Cloud-based solution for DOC, where all programming interactions are performed over the network using the REST API.

Security

All GroupDocs products are fully compliant with industry security standards: data transfer is carried out using the SSL protocol, which eliminates the possibility of information being intercepted by third parties. To connect to GroupDocs Cloud Services, you need to use personal access keys. Please refer to the Quick Start guide.

Generate DOC document in Java

The following code example shows how to generate DOC reports using Java.

Generate DOC document in Java
Input files
Upload a document template
Output format
Select the target format from the list
import com.groupdocs.assembly.*;

AssemblyApi assemblyApi = new AssemblyApi(new ApiClient());
ApiClient client = assemblyApi.getApiClient();
client.setAppKey("##################").setAppSid("####-####-####-####-####");

String fileName = "Input1.doc";
String dataFile = "Input2.doc";

File requestFileContent = new File(fileName);
UploadFileRequest uploadDocumentRequest = 
	new UploadFileRequest(requestFileContent, fileName, null);
assemblyApi.uploadFile(uploadDocumentRequest);

AssembleOptions assembleOptions = new AssembleOptions();
assembleOptions.setTemplateFileInfo(new TemplateFileInfo().filePath(fileName));
assembleOptions.setSaveFormat("doc");
assembleOptions.setReportData(Paths.get(dataFile).toString());

AssembleDocumentRequest request = new AssembleDocumentRequest(assembleOptions);
assemblyApi.assembleDocument(request);
  
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How to generate DOC document using Java

  1. Install 'GroupDocs.Assembly Cloud SDK for Java'.
  2. Add a library reference (import the library) to your Java project.
  3. Create a template document, add programming constructs that control the insertion of data from the data source.
  4. Create a data source.
  5. Upload the document template to the GroupDocs Cloud Storage (you need to log in to your personal account).
  6. Generate a document by passing your template and data to the Cloud API.

How to install DOC Report Builder for Java

Install 'GroupDocs.Assembly Cloud SDK for Java' using Maven build automation tool.

Add this dependency to your project's POM : groupdocs-cloud artifact.groupdocs-cloud-releases http://artifact.groupdocs.cloud/repo com.groupdocs GroupDocsAssemblyCloud 21.1.0

As an alternative, you can clone GroupDocs.Assembly Cloud SDK for Java source code from GitHub and use it in your project. Please follow these Instructions to quickly get the necessary security credentials and access our REST API.

System Requirements

Refer to the Repository Documentation to see the details.

Other supported document formats

You can generate reports in other file formats:

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