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cbor-java

A Java 7 implementation of RFC 7049: Concise Binary Object Representation (CBOR)

Build Status Coverage Status Coverity Scan Build Status Dependency Status

Features

  • Encodes and decodes all examples described in RFC 7049
  • Provides a fluent interface builder for CBOR messages
  • Supports semantic tags
  • Supports 64-bit integer values
  • Passes all CPD, PMD and FindBugs tests

Documentation

Maven Dependency

Add this to the dependencies section of your pom.xml file:

<dependency>
    <groupId>co.nstant.in</groupId>
    <artifactId>cbor</artifactId>
    <version>0.8</version>
</dependency>

Usage

Encoding Example

ByteArrayOutputStream baos = new ByteArrayOutputStream();
new CborEncoder(baos).encode(new CborBuilder()
    .add("text")                // add string
    .add(1234)                  // add integer
    .add(new byte[] { 0x10 })   // add byte array
    .addArray()                 // add array
        .add(1)
        .add("text")
        .end()
    .build());
byte[] encodedBytes = baos.toByteArray();

Decoding Example

ByteArrayInputStream bais = new ByteArrayInputStream(encodedBytes);
List<DataItem> dataItems = new CborDecoder(bais).decode();
for(DataItem dataItem : dataItems) {
    // process data item
}

Streaming Decoding Example

ByteArrayInputStream bais = new ByteArrayInputStream(encodedBytes);
new CborDecoder(bais).decode(new DataItemListener() {

    @Override
    public void onDataItem(DataItem dataItem) {
        // process data item
    }

});

Contribution Process

This project uses the C4 process for all code changes.

License

Copyright 2013-2017 Constantin Rack

Licensed 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.