Package com.fasterxml.jackson.databind

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

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    public void testSimpleArrayField() throws Exception
    {
        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];
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    public void testSimpleArrayMethod() throws Exception
    {
        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];
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    public void testSimpleMapField() throws Exception
    {
        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);
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    public void testSimpleMapMethod() throws Exception
    {
        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);
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    {
        ObjectMapper m = new ObjectMapper();
        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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    }

    public void testEnumInterface() throws Exception
    {
        ObjectMapper m = new ObjectMapper();
        String json = m.writeValueAsString(Tag.B);
       
        EnumInterface result = m.readValue(json, EnumInterface.class);
        assertSame(Tag.B, result);
    }
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    {
        ObjectMapper m = new ObjectMapper();
        EnumInterfaceList list = new EnumInterfaceList();
        list.add(Tag.A);
        list.add(Tag.B);
        String json = m.writeValueAsString(list);
       
        EnumInterfaceList result = m.readValue(json, EnumInterfaceList.class);
        assertEquals(2, result.size());
        assertSame(Tag.A, result.get(0));
        assertSame(Tag.B, result.get(1));
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    }

    public void testUntypedEnum() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        String str = mapper.writeValueAsString(new UntypedEnumBean(TestEnum.B));
        UntypedEnumBean result = mapper.readValue(str, UntypedEnumBean.class);
        assertNotNull(result);
        assertNotNull(result.value);
        Object ob = result.value;
        assertSame(TestEnum.class, ob.getClass());
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    public void testWithCreators() throws Exception
    {
        ObjectMapper mapper = new ObjectMapper();
        mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        UrlJob input = new UrlJob(123L, "http://foo", 3);
        String json = mapper.writeValueAsString(input);
        assertNotNull(json);
        Job output = mapper.readValue(json, Job.class);
        assertNotNull(output);
        assertSame(UrlJob.class, output.getClass());
        UrlJob o2 = (UrlJob) output;
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     */

    public void testRootViaMapper() throws Exception
    {
        ObjectMapper mapper = rootMapper();
        String json = mapper.writeValueAsString(new Bean());
        assertEquals("{\"rudy\":{\"a\":3}}", json);
        Bean bean = mapper.readValue(json, Bean.class);
        assertNotNull(bean);

        // also same with explicitly "not defined"...
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