Examples of java.beans.Encoder

java.beans.Encoder
An Encoder is a class which can be used to create files or streams that encode the state of a collection of JavaBeans in terms of their public APIs. The Encoder, in conjunction with its persistence delegates, is responsible for breaking the object graph down into a series of Statementss and Expressions which can be used to create it. A subclass typically provides a syntax for these expressions using some human readable form - like Java source code or XML. @since 1.4 @version 1.3 11/15/00 @author Philip Milne

    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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Related Classes of java.beans.Encoder

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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