Examples with JsonGenerator javax.json.stream.JsonGenerator used on opensource projects

Example 16 with JsonGenerator

use of javax.json.stream.JsonGenerator in project javaee7-firstcup by ecabrerar.

the class BookCollectionWriter method writeTo.

@Override
public void writeTo(List<Book> books, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
    if (mediaType.equals(MediaType.APPLICATION_JSON_TYPE)) {
        try (StringWriter writer = new StringWriter()) {
            try (JsonGenerator generator = Json.createGenerator(writer)) {
                HashMap<String, Object> configs = new HashMap<>(1);
                configs.put(JsonGenerator.PRETTY_PRINTING, true);
                generator.writeStartArray();
                books.stream().forEach(book -> generator.writeStartObject().write("Name", book.getName()).write("ISBN", book.getIsbn()).write("Author", book.getAuthor()).writeEnd());
                generator.writeEnd();
            }
            entityStream.write(writer.toString().getBytes());
        }
    } else if (mediaType.equals(MediaType.TEXT_PLAIN_TYPE)) {
        StringBuilder stringBuilder = new StringBuilder("Book ");
        books.stream().forEach((Book book) -> stringBuilder.append(book.toString()).append("\n"));
        entityStream.write(stringBuilder.toString().getBytes());
    }
}

Example 17 with JsonGenerator

use of javax.json.stream.JsonGenerator in project javaee7-firstcup by ecabrerar.

the class BookWriter method writeTo.

@Override
public void writeTo(Book book, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
    if (mediaType.equals(MediaType.APPLICATION_JSON_TYPE)) {
        try (StringWriter writer = new StringWriter()) {
            try (JsonGenerator generator = Json.createGenerator(writer)) {
                HashMap<String, Object> configs = new HashMap<>(1);
                configs.put(JsonGenerator.PRETTY_PRINTING, true);
                generator.writeStartObject().write("Name", book.getName()).write("ISBN", book.getIsbn()).write("Author", book.getAuthor()).writeEnd();
            }
            entityStream.write(writer.toString().getBytes());
        }
    } else if (mediaType.equals(MediaType.TEXT_PLAIN_TYPE)) {
        String string = "Book ".concat(book.toString()).concat("\n");
        entityStream.write(string.getBytes());
    }
}

Example 18 with JsonGenerator

use of javax.json.stream.JsonGenerator in project javaee7-firstcup by ecabrerar.

the class MovieWriter method writeTo.

@Override
public void writeTo(Movie t, Class<?> type, Type type1, Annotation[] antns, MediaType mt, MultivaluedMap<String, Object> mm, OutputStream out) throws IOException, WebApplicationException {
    JsonGenerator gen = Json.createGenerator(out);
    gen.writeStartObject().write("id", t.getId()).write("name", t.getName()).write("actors", t.getActors()).writeEnd();
    gen.flush();
}