xworkconvertertest.java

在Struts2中的jar包xwork的源代码.版本为2.0.7

        Bar b = (Bar) o;
        assertEquals(value, b.getTitle() + ":" + b.getSomethingElse());
    }

    public void testLocalizedDateConversion() throws Exception {
        Date date = new Date(System.currentTimeMillis());
        Locale locale = Locale.GERMANY;
        DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
        String dateString = df.format(date);
        context.put(ActionContext.LOCALE, locale);
        assertEquals(dateString, converter.convertValue(context, null, null, null, date, String.class));
    }

    public void testStringToIntConversions() {
        SimpleAction action = new SimpleAction();
        action.setBean(new TestBean());

        ValueStack stack = ValueStackFactory.getFactory().createValueStack();
        stack.push(action);

        Map ognlStackContext = stack.getContext();
        ognlStackContext.put(XWorkConverter.REPORT_CONVERSION_ERRORS, Boolean.TRUE);

        assertEquals("Conversion should have failed.", OgnlRuntime.NoConversionPossible, converter.convertValue(ognlStackContext, action.getBean(), null, "count", "111.1", int.class));
        stack.pop();

        Map conversionErrors = (Map) stack.getContext().get(ActionContext.CONVERSION_ERRORS);
        assertNotNull(conversionErrors);
        assertTrue(conversionErrors.size() == 1);
    }

    public void testStringArrayToCollection() {
        List list = new ArrayList();
        list.add("foo");
        list.add("bar");
        list.add("baz");
        assertEquals(list, converter.convertValue(context, null, null, null, new String[]{
                "foo", "bar", "baz"
        }, Collection.class));
    }

    public void testStringArrayToList() {
        List list = new ArrayList();
        list.add("foo");
        list.add("bar");
        list.add("baz");
        assertEquals(list, converter.convertValue(context, null, null, null, new String[]{
                "foo", "bar", "baz"
        }, List.class));
    }

    public void testStringArrayToPrimitiveWrappers() {
        Long[] longs = (Long[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, Long[].class);
        assertNotNull(longs);
        assertTrue(Arrays.equals(new Long[]{new Long(123), new Long(456)}, longs));

        Integer[] ints = (Integer[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, Integer[].class);
        assertNotNull(ints);
        assertTrue(Arrays.equals(new Integer[]{
                new Integer(123), new Integer(456)
        }, ints));

        Double[] doubles = (Double[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, Double[].class);
        assertNotNull(doubles);
        assertTrue(Arrays.equals(new Double[]{new Double(123), new Double(456)}, doubles));

        Float[] floats = (Float[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, Float[].class);
        assertNotNull(floats);
        assertTrue(Arrays.equals(new Float[]{new Float(123), new Float(456)}, floats));

        Boolean[] booleans = (Boolean[]) converter.convertValue(context, null, null, null, new String[]{
                "true", "false"
        }, Boolean[].class);
        assertNotNull(booleans);
        assertTrue(Arrays.equals(new Boolean[]{Boolean.TRUE, Boolean.FALSE}, booleans));
    }

    public void testStringArrayToPrimitives() throws OgnlException {
        long[] longs = (long[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, long[].class);
        assertNotNull(longs);
        assertTrue(Arrays.equals(new long[]{123, 456}, longs));

        int[] ints = (int[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, int[].class);
        assertNotNull(ints);
        assertTrue(Arrays.equals(new int[]{123, 456}, ints));

        double[] doubles = (double[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, double[].class);
        assertNotNull(doubles);
        assertTrue(Arrays.equals(new double[]{123, 456}, doubles));

        float[] floats = (float[]) converter.convertValue(context, null, null, null, new String[]{
                "123", "456"
        }, float[].class);
        assertNotNull(floats);
        assertTrue(Arrays.equals(new float[]{123, 456}, floats));

        boolean[] booleans = (boolean[]) converter.convertValue(context, null, null, null, new String[]{
                "true", "false"
        }, boolean[].class);
        assertNotNull(booleans);
        assertTrue(Arrays.equals(new boolean[]{true, false}, booleans));
    }

    public void testStringArrayToSet() {
        Set list = new HashSet();
        list.add("foo");
        list.add("bar");
        list.add("baz");
        assertEquals(list, converter.convertValue(context, null, null, null, new String[]{
                "foo", "bar", "bar", "baz"
        }, Set.class));
    }

    public void testStringToCollectionConversion() {
        ValueStack stack = ValueStackFactory.getFactory().createValueStack();
        Map stackContext = stack.getContext();
        stackContext.put(InstantiatingNullHandler.CREATE_NULL_OBJECTS, Boolean.TRUE);
        stackContext.put(XWorkMethodAccessor.DENY_METHOD_EXECUTION, Boolean.TRUE);
        stackContext.put(XWorkConverter.REPORT_CONVERSION_ERRORS, Boolean.TRUE);

        User user = new User();
        stack.push(user);

        stack.setValue("list", "asdf");
        assertNotNull(user.getList());
        assertEquals(1, user.getList().size());
        assertEquals(String.class, user.getList().get(0).getClass());
        assertEquals("asdf", user.getList().get(0));
    }

    public void testStringToCustomTypeUsingCustomConverter() {
        // the converter needs to be registered as the Bar.class converter 
        // it won't be detected from the Foo-conversion.properties
        // because the Foo-conversion.properties file is only used when converting a property of Foo
        converter.registerConverter(Bar.class.getName(), new FooBarConverter());

        Bar bar = (Bar) converter.convertValue(null, null, null, null, "blah:123", Bar.class);
        assertNotNull("conversion failed", bar);
        assertEquals(123, bar.getSomethingElse());
        assertEquals("blah", bar.getTitle());
    }

    public void testRegisterCustomConverter() {
        converter.registerConverter(Boolean.class.getName(), new MyBooleanConverter());
        Boolean value = (Boolean) converter.convertValue(null, null, null, null, "Y", Boolean.class);
        assertNotNull("conversion failed", value);
        assertEquals(Boolean.TRUE, value);
    }

    public void testStringToPrimitiveWrappers() {
        assertEquals(new Long(123), converter.convertValue(context, null, null, null, "123", Long.class));
        assertEquals(new Integer(123), converter.convertValue(context, null, null, null, "123", Integer.class));
        assertEquals(new Double(123.5), converter.convertValue(context, null, null, null, "123.5", Double.class));
        assertEquals(new Float(123.5), converter.convertValue(context, null, null, null, "123.5", float.class));
        assertEquals(new Boolean(false), converter.convertValue(context, null, null, null, "false", Boolean.class));
        assertEquals(new Boolean(true), converter.convertValue(context, null, null, null, "true", Boolean.class));
    }

    public void testStringToPrimitives() {
        assertEquals(new Long(123), converter.convertValue(context, null, null, null, "123", long.class));
        assertEquals(new Double(123.5), converter.convertValue(context, null, null, null, "123.5", double.class));
        assertEquals(new Float(123.5), converter.convertValue(context, null, null, null, "123.5", float.class));
        assertEquals(new Boolean(false), converter.convertValue(context, null, null, null, "false", boolean.class));
        assertEquals(new Boolean(true), converter.convertValue(context, null, null, null, "true", boolean.class));
        assertEquals(new BigDecimal(123.5), converter.convertValue(context, null, null, null, "123.5", BigDecimal.class));
        assertEquals(new BigInteger("123"), converter.convertValue(context, null, null, null, "123", BigInteger.class));
    }

    public void testStringToInt() {
        assertEquals(new Integer(123), converter.convertValue(context, null, null, null, "123", int.class));
        context.put(ActionContext.LOCALE, Locale.US);
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123.12", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,23", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234.12", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234,12", int.class));
        context.put(ActionContext.LOCALE, Locale.GERMANY);
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123.12", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "123aa", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "aa123", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,23", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1,234.12", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234", int.class));
        assertEquals(OgnlRuntime.NoConversionPossible, converter.convertValue(context, null, null, null, "1.234,12", int.class));
    }


    public void testStringToInteger() {
        assertEquals(new Integer(123), converter.convertValue(context, null, null, null, "123", Integer.class));