Package com.fasterxml.jackson.databind

Examples of com.fasterxml.jackson.databind.ObjectMapper.readValue()

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  }

  /** Reads a simple schema from a string into objects. */
  @Test public void testRead() throws IOException {
    final ObjectMapper mapper = mapper();
    JsonRoot root = mapper.readValue(
        "{\n"
        + "  version: '1.0',\n"
        + "   schemas: [\n"
        + "     {\n"
        + "       name: 'FoodMart',\n"
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  }

  /** Reads a simple schema containing JdbcSchema, a sub-type of Schema. */
  @Test public void testSubtype() throws IOException {
    final ObjectMapper mapper = mapper();
    JsonRoot root = mapper.readValue(
        "{\n"
        + "  version: '1.0',\n"
        + "   schemas: [\n"
        + "     {\n"
        + "       type: 'jdbc',\n"
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  }

  /** Reads a custom schema. */
  @Test public void testCustomSchema() throws IOException {
    final ObjectMapper mapper = mapper();
    JsonRoot root = mapper.readValue(
        "{\n"
        + "  version: '1.0',\n"
        + "   schemas: [\n"
        + "     {\n"
        + "       type: 'custom',\n"
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   *
   * @throws IOException If something goes wrong
   */
  public static String jsonFixture(String fixtureClasspath) throws IOException {
    ObjectMapper om = new ObjectMapper();
    return om.writeValueAsString(om.readValue(fixture(fixtureClasspath), JsonNode.class));
  }

  /**
   * @param fixtureClasspath The classpath (can be in other JARs)
   *
 
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        ByteArrayOutputStream stream = new ByteArrayOutputStream();

        provider.writeTo(s, Simple.class, Simple.class, new Annotation[0],
                MediaType.APPLICATION_JSON_TYPE, null, stream);

        Simple result = mapper.readValue(stream.toByteArray(), Simple.class);
        assertNotNull(result.list);
        assertEquals(2, result.list.size());
    }
}
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        assertTrue(can);

        // but with problem of [JACKSON-540], we get nasty surprise here...
        String json = mapper.writeValueAsString(s);
       
        Simple result = mapper.readValue(json, Simple.class);
        assertNotNull(result.list);
        assertEquals(2, result.list.size());
    }
}
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        ObjectMapper mapper = new ObjectMapper();
        SimpleModule module = new SimpleModule();
        module.addDeserializer(StackTraceElement.class, new Jackson429StackTraceElementDeserializer());
        mapper.registerModule(module);

        StackTraceElement elem = mapper.readValue(
                aposToQuotes("{'class':'package.SomeClass','method':'someMethod','file':'SomeClass.java','line':123}"),
                StackTraceElement.class);
        Assert.assertNotNull(elem);
        Assert.assertEquals(StackTraceBean.NUM, elem.getLineNumber());
    }
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    @Test
    public void testJsonIoContainer() throws IOException {
        ObjectMapper objectMapper = new Log4jJsonObjectMapper();
        Fixture expected = new Fixture();
        final String s = objectMapper.writeValueAsString(expected);
        Fixture actual = objectMapper.readValue(s, Fixture.class);
        assertEquals(expected.proxy.getName(), actual.proxy.getName());
        assertEquals(expected.proxy.getMessage(), actual.proxy.getMessage());
        assertEquals(expected.proxy.getLocalizedMessage(), actual.proxy.getLocalizedMessage());
        assertEquals(expected.proxy.getCommonElementCount(), actual.proxy.getCommonElementCount());
        assertArrayEquals(expected.proxy.getExtendedStackTrace(), actual.proxy.getExtendedStackTrace());
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        ObjectMapper mapper = new ObjectMapper();
        SimpleModule module = new SimpleModule();
        module.addDeserializer(StackTraceElement.class, new MyStackTraceElementDeserializer());
        mapper.registerModule(module);

        StackTraceElement elem = mapper.readValue(
                aposToQuotes("{'class':'package.SomeClass','method':'someMethod','file':'SomeClass.java','line':13}"),
                StackTraceElement.class);
        Assert.assertNotNull(elem);
        Assert.assertEquals(StackTraceBean.NUM, elem.getLineNumber());
    }
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        LOG.info("Component " + componentName + " returned JSON: " + answer);

        // now lets validate that the generated JSON parses correctly
        ObjectMapper mapper = new ObjectMapper();
        HashMap data = mapper.readValue(answer, HashMap.class);
        LOG.info("Read JSON: " + data);
        return answer;
    }

    @Override
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