Struts example source code file (AnnotationXWorkConverterTest.java)

This example Struts source code file (AnnotationXWorkConverterTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

bar1, boolean, float, genericsbean, genericsbean, integer, long, map, map, math, object, string, string, text, util, valuestack, valuestack

The Struts AnnotationXWorkConverterTest.java source code

/*
 * Copyright 2002-2006,2009 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.opensymphony.xwork2.conversion.impl;

import com.opensymphony.xwork2.*;
import com.opensymphony.xwork2.test.AnnotationUser;
import com.opensymphony.xwork2.test.ModelDrivenAnnotationAction2;
import com.opensymphony.xwork2.util.Bar;
import com.opensymphony.xwork2.util.ValueStack;
import com.opensymphony.xwork2.util.reflection.ReflectionContextState;
import ognl.OgnlException;
import ognl.OgnlRuntime;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;


/**
 * @author $Author: martinc $
 * @author Rainer Hermanns
 * @version $Revision: 894090 $
 */
public class AnnotationXWorkConverterTest extends XWorkTestCase {

    ActionContext ac;
    Map<String, Object> context;
    XWorkConverter converter;

//    public void testConversionToSetKeepsOriginalSetAndReplacesContents() {
//        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);
//
//        String[] param = new String[] {"abc", "def", "ghi"};
//        List paramList = Arrays.asList(param);
//
//        List originalList = new ArrayList();
//        originalList.add("jkl");
//        originalList.add("mno");
//
//        AnnotationUser user = new AnnotationUser();
//        user.setList(originalList);
//        stack.push(user);
//
//        stack.setValue("list", param);
//
//        List userList = user.getList();
//        assertEquals(3,userList.size());
//        assertEquals(paramList,userList);
//        assertSame(originalList,userList);
//    }

    public void testArrayToNumberConversion() {
        String[] value = new String[]{"12345"};
        assertEquals(new Integer(12345), converter.convertValue(context, null, null, null, value, Integer.class));
        assertEquals(new Long(12345), converter.convertValue(context, null, null, null, value, Long.class));
        value[0] = "123.45";
        assertEquals(new Float(123.45), converter.convertValue(context, null, null, null, value, Float.class));
        assertEquals(new Double(123.45), converter.convertValue(context, null, null, null, value, Double.class));
        value[0] = "1234567890123456789012345678901234567890";
        assertEquals(new BigInteger(value[0]), converter.convertValue(context, null, null, null, value, BigInteger.class));
        value[0] = "1234567890123456789.012345678901234567890";
        assertEquals(new BigDecimal(value[0]), converter.convertValue(context, null, null, null, value, BigDecimal.class));
    }

    public void testDateConversion() throws ParseException {
        java.sql.Date sqlDate = new java.sql.Date(System.currentTimeMillis());
        assertEquals(sqlDate, converter.convertValue(context, null, null, null, sqlDate, Date.class));

        SimpleDateFormat format = new SimpleDateFormat("mm/dd/yyyy hh:mm:ss");
        Date date = format.parse("01/10/2001 00:00:00");
        String dateStr = (String) converter.convertValue(context, null, null, null, date, String.class);
        Date date2 = (Date) converter.convertValue(context, null, null, null, dateStr, Date.class);
        assertEquals(date, date2);
    }

    public void testFieldErrorMessageAddedForComplexProperty() {
        SimpleAnnotationAction action = new SimpleAnnotationAction();
        action.setBean(new AnnotatedTestBean());

        ValueStack stack = ActionContext.getContext().getValueStack();
        stack.push(action);

        Map<String, Object> ognlStackContext = stack.getContext();
        ognlStackContext.put(XWorkConverter.REPORT_CONVERSION_ERRORS, Boolean.TRUE);
        ognlStackContext.put(XWorkConverter.CONVERSION_PROPERTY_FULLNAME, "bean.birth");

        String[] value = new String[]{"invalid date"};
        assertEquals("Conversion should have failed.", OgnlRuntime.NoConversionPossible, converter.convertValue(ognlStackContext, action.getBean(), null, "birth", value, Date.class));
        stack.pop();

        Map conversionErrors = (Map) stack.getContext().get(ActionContext.CONVERSION_ERRORS);
        assertNotNull(conversionErrors);
        assertTrue(conversionErrors.size() == 1);
        assertEquals(value, conversionErrors.get("bean.birth"));
    }

    public void testFieldErrorMessageAddedWhenConversionFails() {
        SimpleAnnotationAction action = new SimpleAnnotationAction();
        action.setDate(null);

        ValueStack stack = ActionContext.getContext().getValueStack();
        stack.push(action);

        Map<String, Object> ognlStackContext = stack.getContext();
        ognlStackContext.put(XWorkConverter.REPORT_CONVERSION_ERRORS, Boolean.TRUE);

        String[] value = new String[]{"invalid date"};
        assertEquals("Conversion should have failed.", OgnlRuntime.NoConversionPossible, converter.convertValue(ognlStackContext, action, null, "date", value, Date.class));
        stack.pop();

        Map conversionErrors = (Map) ognlStackContext.get(ActionContext.CONVERSION_ERRORS);
        assertNotNull(conversionErrors);
        assertEquals(1, conversionErrors.size());
        assertNotNull(conversionErrors.get("date"));
        assertEquals(value, conversionErrors.get("date"));
    }

    public void testFieldErrorMessageAddedWhenConversionFailsOnModelDriven() {
        ModelDrivenAnnotationAction action = new ModelDrivenAnnotationAction();
        ValueStack stack = ActionContext.getContext().getValueStack();
        stack.push(action);
        stack.push(action.getModel());

        Map<String, Object> ognlStackContext = stack.getContext();
        ognlStackContext.put(XWorkConverter.REPORT_CONVERSION_ERRORS, Boolean.TRUE);

        String[] value = new String[]{"invalid date"};
        assertEquals("Conversion should have failed.", OgnlRuntime.NoConversionPossible, converter.convertValue(ognlStackContext, action, null, "birth", value, Date.class));
        stack.pop();
        stack.pop();

        Map conversionErrors = (Map) ognlStackContext.get(ActionContext.CONVERSION_ERRORS);
        assertNotNull(conversionErrors);
        assertEquals(1, conversionErrors.size());
        assertNotNull(conversionErrors.get("birth"));
        assertEquals(value, conversionErrors.get("birth"));
    }

    public void testFindConversionErrorMessage() {
        ModelDrivenAnnotationAction action = new ModelDrivenAnnotationAction();
        ValueStack stack = ActionContext.getContext().getValueStack();
        stack.push(action);
        stack.push(action.getModel());

        String message = XWorkConverter.getConversionErrorMessage("birth", stack);
        assertNotNull(message);
        assertEquals("Invalid date for birth.", message);

        message = XWorkConverter.getConversionErrorMessage("foo", stack);
        assertNotNull(message);
        assertEquals("Invalid field value for field \"foo\".", message);
    }

    public void testFindConversionMappingForInterface() {
        ModelDrivenAnnotationAction2 action = new ModelDrivenAnnotationAction2();
        ValueStack stack = ActionContext.getContext().getValueStack();
        stack.push(action);
        stack.push(action.getModel());

        Map<String, Object> ognlStackContext = stack.getContext();
        ognlStackContext.put(XWorkConverter.REPORT_CONVERSION_ERRORS, Boolean.TRUE);

        String value = "asdf:123";
        Object o = converter.convertValue(ognlStackContext, action.getModel(), null, "barObj", value, Bar.class);
        assertNotNull(o);
        assertTrue("class is: " + o.getClass(), o instanceof Bar);

        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 testStringArrayToCollection() {
        List<String> 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<String> 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<String> 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));
    }

    // TODO: Fixme... This test does not work with GenericsObjectDeterminer!
    public void testStringToCollectionConversion() {
        ValueStack stack = ActionContext.getContext().getValueStack();
        Map<String, Object> stackContext = stack.getContext();
        stackContext.put(ReflectionContextState.CREATE_NULL_OBJECTS, Boolean.TRUE);
        stackContext.put(ReflectionContextState.DENY_METHOD_EXECUTION, Boolean.TRUE);
        stackContext.put(XWorkConverter.REPORT_CONVERSION_ERRORS, Boolean.TRUE);

        AnnotationUser user = new AnnotationUser();
        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 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 Integer(123), converter.convertValue(context, null, null, null, "123", int.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 testValueStackWithTypeParameter() {
        ValueStack stack = ActionContext.getContext().getValueStack();
        stack.push(new Foo1());
        Bar1 bar = (Bar1) stack.findValue("bar", Bar1.class);
        assertNotNull(bar);
    }

    public void testGenericProperties() {
        GenericsBean gb = new GenericsBean();
        ValueStack stack = ac.getValueStack();
        stack.push(gb);

        String[] value = new String[] {"123.12", "123.45"};
        stack.setValue("doubles", value);
        assertEquals(2, gb.getDoubles().size());
        assertEquals(Double.class, gb.getDoubles().get(0).getClass());
        assertEquals(new Double(123.12), gb.getDoubles().get(0));
        assertEquals(new Double(123.45), gb.getDoubles().get(1));
    }

    public void testGenericPropertiesFromField() {
        GenericsBean gb = new GenericsBean();
        ValueStack stack = ac.getValueStack();
        stack.push(gb);

        stack.setValue("genericMap[123.12]", "66");
        stack.setValue("genericMap[456.12]", "42");

        assertEquals(2, gb.getGenericMap().size());
        assertEquals(Integer.class, stack.findValue("genericMap.get(123.12).class"));
        assertEquals(Integer.class, stack.findValue("genericMap.get(456.12).class"));
        assertEquals(66, stack.findValue("genericMap.get(123.12)"));
        assertEquals(42, stack.findValue("genericMap.get(456.12)"));
        assertEquals(true, stack.findValue("genericMap.containsValue(66)"));
        assertEquals(true, stack.findValue("genericMap.containsValue(42)"));
        assertEquals(true, stack.findValue("genericMap.containsKey(123.12)"));
        assertEquals(true, stack.findValue("genericMap.containsKey(456.12)"));
    }

    public void testGenericPropertiesFromSetter() {
        GenericsBean gb = new GenericsBean();
        ValueStack stack = ac.getValueStack();
        stack.push(gb);

        stack.setValue("genericMap[123.12]", "66");
        stack.setValue("genericMap[456.12]", "42");

        assertEquals(2, gb.getGenericMap().size());
        assertEquals(Integer.class, stack.findValue("genericMap.get(123.12).class"));
        assertEquals(Integer.class, stack.findValue("genericMap.get(456.12).class"));
        assertEquals(66, stack.findValue("genericMap.get(123.12)"));
        assertEquals(42, stack.findValue("genericMap.get(456.12)"));
        assertEquals(true, stack.findValue("genericMap.containsValue(66)"));
        assertEquals(true, stack.findValue("genericMap.containsValue(42)"));
        assertEquals(true, stack.findValue("genericMap.containsKey(123.12)"));
        assertEquals(true, stack.findValue("genericMap.containsKey(456.12)"));
    }

    public void testGenericPropertiesFromGetter() {
        GenericsBean gb = new GenericsBean();
        ValueStack stack = ac.getValueStack();
        stack.push(gb);

        assertEquals(1, gb.getGetterList().size());
        assertEquals(Double.class, stack.findValue("getterList.get(0).class"));
        assertEquals(new Double(42.42), stack.findValue("getterList.get(0)"));
        assertEquals(new Double(42.42), gb.getGetterList().get(0));

    }


    // FIXME: Implement nested Generics such as: List of Generics List, Map of Generic keys/values, etc...
    public void no_testGenericPropertiesWithNestedGenerics() {
        GenericsBean gb = new GenericsBean();
        ValueStack stack = ac.getValueStack();
        stack.push(gb);

        stack.setValue("extendedMap[123.12]", new String[] {"1", "2", "3", "4"});
        stack.setValue("extendedMap[456.12]", new String[] {"5", "6", "7", "8", "9"});

        System.out.println("gb.getExtendedMap(): " + gb.getExtendedMap());

        assertEquals(2, gb.getExtendedMap().size());
        System.out.println(stack.findValue("extendedMap"));
        assertEquals(4, stack.findValue("extendedMap.get(123.12).size"));
        assertEquals(5, stack.findValue("extendedMap.get(456.12).size"));

        assertEquals("1", stack.findValue("extendedMap.get(123.12).get(0)"));
        assertEquals("5", stack.findValue("extendedMap.get(456.12).get(0)"));
        assertEquals(Integer.class, stack.findValue("extendedMap.get(123.12).get(0).class"));
        assertEquals(Integer.class, stack.findValue("extendedMap.get(456.12).get(0).class"));

        assertEquals(List.class, stack.findValue("extendedMap.get(123.12).class"));
        assertEquals(List.class, stack.findValue("extendedMap.get(456.12).class"));

    }

    public static class Foo1 {
        public Bar1 getBar() {
            return new Bar1Impl();
        }
    }

    public interface Bar1 {
    }

    public static class Bar1Impl implements Bar1 {
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        converter = container.getInstance(XWorkConverter.class);

        ac = ActionContext.getContext();
        ac.setLocale(Locale.US);
        context = ac.getContextMap();
    }

    @Override
    protected void tearDown() throws Exception {
        ActionContext.setContext(null);
    }
}