Package com.fasterxml.jackson.databind

Examples of com.fasterxml.jackson.databind.ObjectWriter

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        if (metadata != null) {
            metadata.addDbRead(System.nanoTime() - nanoStart);
            metadata.setItemCount(listResponse.size());
        }
       
        final ObjectWriter w = useSmile ? _listSmileWriter : _listJsonWriter;
        final String contentType = useSmile ? ContentType.SMILE.toString()
                : ContentType.JSON.toString();
        return (OUT) response.ok(contentType, new StreamingEntityImpl(w, listResponse));
    }
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        long currentHash = _cluster.getHashOverState();
        resp.setClusterHash(currentHash);
        ClusterStatusMessage clusterStatus = (clusterHash == 0L || clusterHash != currentHash) ?
                _cluster.asMessage() : null;
        resp.setClusterStatus(clusterStatus);               
        final ObjectWriter w = useSmile ? _syncListSmileWriter : _syncListJsonWriter;
        final String contentType = useSmile ? ContentType.SMILE.toString() : ContentType.JSON.toString();
       
        return (OUT) response.ok(new StreamingEntityImpl(w, resp))
                .setContentType(contentType);
    }
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    public String getSchemaForClass(Class<?> clazz) {
        LOG.info("Looking up schema for " + clazz.getCanonicalName());
        String name = clazz.getName();
        try {
            ObjectWriter writer = mapper.writer().with(new FourSpacePrettyPrinter());
            return writer.writeValueAsString(mapper.generateJsonSchema(clazz));
        } catch (Exception e) {
            LOG.log(Level.FINEST, "Failed to generate JSON schema for class " + name, e);
            return "";
        }
    }
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        return false;
    }

    private void writeData(JsonNode rootNode, Writer fileWriter) throws Exception {
        ObjectWriter writer = mapper.writerWithDefaultPrettyPrinter();
       
        writer.writeValue(fileWriter, rootNode);
    }
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        if (metadata != null) {
            metadata.setItemCount(listResponse.size());
        }
       
        final ObjectWriter w = useSmile ? _listSmileWriter : _listJsonWriter;
        final String contentType = useSmile ? ContentType.SMILE.toString()
                : ContentType.JSON.toString();
        return (OUT) response.ok(contentType, new StreamingEntityImpl(w, listResponse));
    }
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      @Override
      public void execute(ByContentSpec byContentSpec) throws Exception {
        byContentSpec.json(new Handler() {
          @Override
          public void handle(Context context) {
            ObjectWriter writer = object.getObjectWriter();
            if (writer == null) {
              writer = defaultObjectWriter;
            }

            byte[] bytes;
            try {
              bytes = writer.writeValueAsBytes(object.getObject());
            } catch (JsonProcessingException e) {
              context.error(e);
              return;
            }
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    {
        // how many? about 10-20 bytes per entry, so try to get at ~100k -> about 10k entries
        List<Entry> entries = generateEntries(9999);
        CsvMapper mapper = mapperForCsv();
        CsvSchema schema = mapper.schemaFor(Entry.class);
        ObjectWriter writer = mapper.writer(schema);
        mapper.disable(CsvParser.Feature.WRAP_AS_ARRAY);

        // First, using bytes; note
        byte[] bytes = writer.writeValueAsBytes(entries);
        // ... we just happen to know this is expected length...
        final int EXPECTED_BYTES = 97640;
        assertEquals(EXPECTED_BYTES, bytes.length);

        MappingIterator<Entry> it = mapper.reader(Entry.class).with(schema).readValues(bytes, 0, bytes.length);
        verifySame(it, entries);
        bytes = null;
       
        // and then chars: NOTE: ASCII, so bytes == chars
        String text = writer.writeValueAsString(entries);
        assertEquals(EXPECTED_BYTES, text.length());
        it.close();

        it = mapper.reader(Entry.class).with(schema).readValues(text);
        verifySame(it, entries);
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                csv);
    }

    public void testUntypedAsSequenceDatabind() throws Exception
    {
        ObjectWriter writer = MAPPER.writer(SCHEMA);

        String csv = writer.writeValueAsString(new Object[] {
                new Object[] { "foo", 13, true },
                new Object[] { "bar", 28, false }
        });
        assertEquals("foo;13;true\r\n"
                +"bar;28;false\r\n",
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    public void testWithAStringAndAUuid() throws JsonProcessingException {
        final CsvSchema schema = new CsvSchema.Builder()
                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string1", "hello");
        builder.put("string2", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");

        final String csv = writer.writeValueAsString(builder.build());

        assertEquals("hello,\"2a36b911-9699-45d2-abd5-b9f2d2c9c4a3\"\n", csv);
    }
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        final CsvSchema schema = new CsvSchema.Builder()
                .addColumn("string1", CsvSchema.ColumnType.STRING)
                .addColumn("string2", CsvSchema.ColumnType.STRING)
                .addColumn("string3", CsvSchema.ColumnType.STRING)
                .build();
        final ObjectWriter writer = new CsvMapper().writer().withSchema(schema);

        final ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<String, String>();
        builder.put("string1", "hello");
        builder.put("string2", "world");
        builder.put("string3", "2a36b911-9699-45d2-abd5-b9f2d2c9c4a3");

        final String csv = writer.writeValueAsString(builder.build());

        assertEquals("hello,world,\"2a36b911-9699-45d2-abd5-b9f2d2c9c4a3\"\n", csv);
    }
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