Example usage for com.fasterxml.jackson.core JsonEncoding UTF8

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonEncoding UTF8.

Prototype

JsonEncoding UTF8

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Usage

From source file:com.rhfung.P2PDictionary.DataConnection.java

private byte[] GetDictionaryAsJson() {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    JsonFactory jsonFactory = new JsonFactory(); // or, for data binding, org.codehaus.jackson.mapper.MappingJsonFactory 
    JsonGenerator jg;//from  w  w  w .j  av a2 s .c  o  m
    try {
        jg = jsonFactory.createJsonGenerator(stream, JsonEncoding.UTF8);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        return new byte[0];
    } // or Stream, Reader

    List<DataEntry> entries; // make a local copy for access without worry about changes thereafter
    this.dataLock.readLock().lock();
    try {
        entries = new Vector<DataEntry>(this.data.size());
        //entries.AddRange(this.data.Values.Where(x => x.subscribed));
        entries.addAll(this.data.values());
    } finally {
        this.dataLock.readLock().unlock();
    }

    // write count of data entries
    //writer.write(DATA_NAMESPACE + "/\t" + this.local_uid + "\t0\tRW\t" + entries.size() + "\t" + this.local_uid + NEWLINE) ;
    try {
        jg.writeStartObject();
        jg.writeObjectField("size", entries.size());
        jg.writeObjectField("localid", this.local_uid);

        jg.writeArrayFieldStart("keys");

        // write each data entry, converting simple data immediately
        // (pretend i don't know about these non-subscribed entries)
        for (DataEntry d : entries) {
            WriteJSONForEntry(jg, d);
        }

        jg.writeEndArray();
        jg.writeEndObject();

        jg.close();
    } catch (JsonGenerationException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return stream.toByteArray();
}