Package com.fasterxml.jackson.databind

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

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                DeserializationFeature.FAIL_ON_IGNORED_PROPERTIES
        );
        String json = "{\"many\":[{\"sub1\":{\"a\":\"foo\"}},{\"sub2\":{\"b\":\"bar\"}}]}" ;
        Good goodResult = mapper.readValue(json, Good.class) ;
        assertNotNull(goodResult) ;
        Bad badResult = mapper.readValue(json, Bad.class);
        assertNotNull(badResult);
    }
}
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    public void testSimpleField() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString(new FieldWrapperBean(new StringWrapper("foo")));
//System.out.println("JSON/field+object == "+json);
        FieldWrapperBean bean = mapper.readValue(json, FieldWrapperBean.class);
        assertNotNull(bean.value);
        assertEquals(StringWrapper.class, bean.value.getClass());
        assertEquals(((StringWrapper) bean.value).str, "foo");
    }
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    public void testSimpleMethod() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString(new FieldWrapperBean(new IntWrapper(37)));
//System.out.println("JSON/method+object == "+json);
        FieldWrapperBean bean = mapper.readValue(json, FieldWrapperBean.class);
        assertNotNull(bean.value);
        assertEquals(IntWrapper.class, bean.value.getClass());
        assertEquals(((IntWrapper) bean.value).i, 37);
    }
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        ObjectMapper mapper = new ObjectMapper();
        FieldWrapperBeanList list = new FieldWrapperBeanList();
        list.add(new FieldWrapperBean(new OtherBean()));
        String json = mapper.writeValueAsString(list);
//System.out.println("JSON/field+list == "+json);
        FieldWrapperBeanList result = mapper.readValue(json, FieldWrapperBeanList.class);
        assertNotNull(result);
        assertEquals(1, result.size());
        FieldWrapperBean bean = list.get(0);
        assertEquals(OtherBean.class, bean.value.getClass());
        assertEquals(((OtherBean) bean.value).x, 1);
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        MethodWrapperBeanList list = new MethodWrapperBeanList();
        list.add(new MethodWrapperBean(new BooleanWrapper(true)));
        list.add(new MethodWrapperBean(new StringWrapper("x")));
        list.add(new MethodWrapperBean(new OtherBean()));
        String json = mapper.writeValueAsString(list);
        MethodWrapperBeanList result = mapper.readValue(json, MethodWrapperBeanList.class);
        assertNotNull(result);
        assertEquals(3, result.size());
        MethodWrapperBean bean = result.get(0);
        assertEquals(BooleanWrapper.class, bean.value.getClass());
        assertEquals(((BooleanWrapper) bean.value).b, Boolean.TRUE);
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    {
        ObjectMapper mapper = new ObjectMapper();
        FieldWrapperBeanArray array = new FieldWrapperBeanArray(new
                FieldWrapperBean[] { new FieldWrapperBean(new BooleanWrapper(true)) });
        String json = mapper.writeValueAsString(array);
        FieldWrapperBeanArray result = mapper.readValue(json, FieldWrapperBeanArray.class);
        assertNotNull(result);
        FieldWrapperBean[] beans = result.beans;
        assertEquals(1, beans.length);
        FieldWrapperBean bean = beans[0];
        assertEquals(BooleanWrapper.class, bean.value.getClass());
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    {
        ObjectMapper mapper = new ObjectMapper();
        MethodWrapperBeanArray array = new MethodWrapperBeanArray(new
                MethodWrapperBean[] { new MethodWrapperBean(new StringWrapper("A")) });
        String json = mapper.writeValueAsString(array);
        MethodWrapperBeanArray result = mapper.readValue(json, MethodWrapperBeanArray.class);
        assertNotNull(result);
        MethodWrapperBean[] beans = result.beans;
        assertEquals(1, beans.length);
        MethodWrapperBean bean = beans[0];
        assertEquals(StringWrapper.class, bean.value.getClass());
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    {
        ObjectMapper mapper = new ObjectMapper();
        FieldWrapperBeanMap map = new FieldWrapperBeanMap();
        map.put("foop", new FieldWrapperBean(new IntWrapper(13)));
        String json = mapper.writeValueAsString(map);
        FieldWrapperBeanMap result = mapper.readValue(json, FieldWrapperBeanMap.class);
        assertNotNull(result);
        assertEquals(1, result.size());
        FieldWrapperBean bean = result.get("foop");
        assertNotNull(bean);
        Object ob = bean.value;
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    {
        ObjectMapper mapper = new ObjectMapper();
        MethodWrapperBeanMap map = new MethodWrapperBeanMap();
        map.put("xyz", new MethodWrapperBean(new BooleanWrapper(true)));
        String json = mapper.writeValueAsString(map);
        MethodWrapperBeanMap result = mapper.readValue(json, MethodWrapperBeanMap.class);
        assertNotNull(result);
        assertEquals(1, result.size());
        MethodWrapperBean bean = result.get("xyz");
        assertNotNull(bean);
        Object ob = bean.value;
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        TagList list = new TagList();
        list.add(Tag.A);
        list.add(Tag.B);
        String json = m.writeValueAsString(list);

        TagList result = m.readValue(json, TagList.class);
        assertEquals(2, result.size());
        assertSame(Tag.A, result.get(0));
        assertSame(Tag.B, result.get(1));
    }
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