Package com.alibaba.fastjson

Examples of com.alibaba.fastjson.JSONPath.eval()

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        entities.add(new Entity(1001, "ljw2083"));
        entities.add(new Entity(1002, "wenshao"));
        entities.add(new Entity(1003, "yakolee"));
        entities.add(new Entity(1004, null));
       
        List<Object> result = (List<Object>) path.eval(entities);
        Assert.assertEquals(3, result.size());
        Assert.assertSame(entities.get(1), result.get(0));
        Assert.assertSame(entities.get(2), result.get(1));
        Assert.assertSame(entities.get(3), result.get(2));
    }
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        entities.add(new Entity(1001, "ljw2083"));
        entities.add(new Entity(1002, "wenshao"));
        entities.add(new Entity(1003, "yakolee"));
        entities.add(new Entity(1004, null));
       
        List<Object> result = (List<Object>) path.eval(entities);
        Assert.assertEquals(2, result.size());
        Assert.assertSame(entities.get(0), result.get(0));
        Assert.assertSame(entities.get(2), result.get(1));
    }
   
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        entities.add(new Entity(1001, "ljw2083"));
        entities.add(new Entity(1002, "wenshao"));
        entities.add(new Entity(1003, "yakolee"));
        entities.add(new Entity(1004, null));
       
        List<Object> result = (List<Object>) path.eval(entities);
        Assert.assertEquals(3, result.size());
        Assert.assertSame(entities.get(0), result.get(0));
        Assert.assertSame(entities.get(2), result.get(1));
        Assert.assertSame(entities.get(3), result.get(2));
    }
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    public void test_list_map() throws Exception {
        JSONPath path = new JSONPath("$.*");
        Entity entity = new Entity(123, "wenshao");

        List<Object> fieldValues = (List<Object>) path.eval(entity);
        Assert.assertSame(entity.getId(), fieldValues.get(0));
        Assert.assertSame(entity.getName(), fieldValues.get(1));
    }
   
    public void test_list_map_none_root() throws Exception {
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    public void test_list_map_none_root() throws Exception {
        JSONPath path = new JSONPath("*");
        Entity entity = new Entity(123, "wenshao");
       
        List<Object> fieldValues = (List<Object>) path.eval(entity);
        Assert.assertSame(entity.getId(), fieldValues.get(0));
        Assert.assertSame(entity.getName(), fieldValues.get(1));
    }

    public static class Entity {
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        List list = new ArrayList();
        list.add(new Object());
        list.add(new Object());
        list.add(new Object());
        JSONPath path = new JSONPath("$.size()");
        Integer result = (Integer) path.eval(list);
        Assert.assertEquals(list.size(), result.intValue());
    }

}
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        List<Entity> entities = new ArrayList<Entity>();
        entities.add(new Entity(1001, "ljw2083"));
        entities.add(new Entity(1002, "wenshao"));
        entities.add(new Entity(1003, null));

        List<Object> result = (List<Object>) path.eval(entities);
        Assert.assertEquals(2, result.size());
        Assert.assertSame(entities.get(0), result.get(0));
        Assert.assertSame(entities.get(1), result.get(1));
    }
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        entities.add(new Entity(1001, "ljw2083"));
        entities.add(new Entity(1002, "wenshao"));
        entities.add(new Entity(1003, null));
        entities.add(new Entity(null, null));

        List<Object> result = (List<Object>) path.eval(entities);
        Assert.assertEquals(1, result.size());
        Assert.assertSame(entities.get(0), result.get(0));
    }
   
    public void test_list_not_like_extract() throws Exception {
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        entities.add(new Entity(1001, "ljw2083"));
        entities.add(new Entity(1002, "wenshao"));
        entities.add(new Entity(1003, "yakolee"));
        entities.add(new Entity(null, null));

        List<Object> result = (List<Object>) path.eval(entities);
        Assert.assertEquals(3, result.size());
        Assert.assertSame(entities.get(1), result.get(0));
        Assert.assertSame(entities.get(2), result.get(1));
        Assert.assertSame(entities.get(3), result.get(2));
    }
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        entities.add(new Entity(1001, "ljw2083"));
        entities.add(new Entity(1002, "wenshao"));
        entities.add(new Entity(1003, "yakolee"));
        entities.add(new Entity(null, null));

        List<Object> result = (List<Object>) path.eval(entities);
        Assert.assertEquals(1, result.size());
        Assert.assertSame(entities.get(0), result.get(0));
    }
   
    public void test_list_like_left_not_match() throws Exception {
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