Examples of java.beans.Encoder$DefaultExceptionListener

java.beans.Encoder
The Encoder, together with PersistenceDelegate s, can encode an object into a series of java statements. By executing these statements, a new object can be created and it will has the same state as the original object which has been passed to the encoder. Here "has the same state" means the two objects are indistinguishable from their public API.
The Encoder and PersistenceDelegate s do this by creating copies of the input object and all objects it references. The copy process continues recursively util every object in the object graph has its new copy and the new version has the same state as the old version. All statements used to create those new objects and executed on them during the process form the result of encoding.

    public void testInitialize() {
        pd.initialize(null, null, null, null);
    }


    public void testInstantiate_Normal() throws Exception {
        Expression exp = pd.instantiate(Integer.class, new Encoder());


        assertSame(Integer.class, exp.getValue());
        assertTrue(exp.getTarget() instanceof Class);
        assertEquals("forName", exp.getMethodName());
        assertEquals(1, exp.getArguments().length);

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        assertEquals(1, exp.getArguments().length);
        assertEquals("java.lang.Integer", exp.getArguments()[0]);
    }


    public void testInstantiate_Primitive() throws Exception {
        Expression exp = pd.instantiate(Integer.TYPE, new Encoder());


        assertSame(Integer.TYPE, exp.getValue());
        assertTrue(exp.getTarget() instanceof java.lang.reflect.Field);
        assertEquals("get", exp.getMethodName());
        assertEquals(1, exp.getArguments().length);

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        assertEquals(1, exp.getArguments().length);
        assertNull(exp.getArguments()[0]);
    }


    public void testInstantiate_Class() throws Exception {
        Expression exp = pd.instantiate(Class.class, new Encoder());


        assertSame(Class.class, exp.getValue());
        assertTrue(exp.getTarget() instanceof Class);
        assertEquals("forName", exp.getMethodName());
        assertEquals(1, exp.getArguments().length);

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    public void testWriteExpression() {
        // covered by testWriteObject()
    }


    public void testWriteExpression_Null() {
        Encoder enc = new Encoder();
        try {
            enc.writeExpression(null);
            fail();
        } catch (NullPointerException e) {
            // expected
        }
    }

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    public void testWriteStatement() {
        // covered by testWriteObject()
    }


    public void testWriteStatement_Null() {
        Encoder enc = new Encoder();
        try {
            enc.writeStatement(null);
            fail("NPE expected");
        } catch (NullPointerException e) {
            // expected
        }
    }

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        assertTrue(lastIndex <= index);
        lastIndex = index;
    }


    public void testGetPersistenceDelegate_Null() {
        Encoder enc = new Encoder();
        PersistenceDelegate pd = enc.getPersistenceDelegate(null);
        assertNotNull(pd);
    }

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        PersistenceDelegate pd = enc.getPersistenceDelegate(null);
        assertNotNull(pd);
    }


    public void testGetPersistenceDelegate_ArrayClass() {
        Encoder enc = new Encoder();
        PersistenceDelegate pd = enc.getPersistenceDelegate(int[].class);
        assertFalse(pd instanceof DefaultPersistenceDelegate);
    }

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        PersistenceDelegate pd = enc.getPersistenceDelegate(int[].class);
        assertFalse(pd instanceof DefaultPersistenceDelegate);
    }


    public void testGetPersistenceDelegate_ProxyClass() {
        Encoder enc = new Encoder();
        enc.getPersistenceDelegate(Proxy.getProxyClass(ClassLoader
                .getSystemClassLoader(), new Class[] { List.class }));
    }

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        enc.getPersistenceDelegate(Proxy.getProxyClass(ClassLoader
                .getSystemClassLoader(), new Class[] { List.class }));
    }


    public void testGetPersistenceDelegate_BeanInfo() {
        Encoder enc = new Encoder();
        PersistenceDelegate pd = enc
                .getPersistenceDelegate(MockFooLiYang.class);
        assertTrue(pd instanceof DefaultPersistenceDelegate);
    }

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                .getPersistenceDelegate(MockFooLiYang.class);
        assertTrue(pd instanceof DefaultPersistenceDelegate);
    }


    public void testGetPersistenceDelegate_Default() {
        Encoder enc = new Encoder();
        Encoder enc2 = new Encoder();


        PersistenceDelegate pd1 = enc.getPersistenceDelegate(SampleBean.class);
        assertTrue(pd1 instanceof DefaultPersistenceDelegate);


        PersistenceDelegate pd2 = enc.getPersistenceDelegate(SampleBean.class);
        assertTrue(pd2 instanceof DefaultPersistenceDelegate);


        PersistenceDelegate pd3 = enc2
                .getPersistenceDelegate(MockBean4Codec.class);
        assertTrue(pd3 instanceof DefaultPersistenceDelegate);


        assertSame(pd1, pd2);
        assertSame(pd1, pd3);

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gnu.java.beans.encoder.ArrayPersistenceDelegate

gnu.java.beans.encoder.ClassPersistenceDelegate

gnu.java.beans.encoder.CollectionPersistenceDelegate

gnu.java.beans.encoder.MapPersistenceDelegate

gnu.java.beans.encoder.PrimitivePersistenceDelegate

org.apache.harmony.beans.NullPersistenceDelegate

org.apache.harmony.beans.ObjectNode

org.apache.harmony.beans.tests.java.beans.DefaultPersistenceDelegateTest

org.apache.harmony.beans.tests.java.beans.EncoderTest

Test4950122

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