Examples of MarkupWriter

ee.widespace.util.MarkupWriter
org.apache.tapestry.MarkupWriter
An interface used by objects, such as Tapestry components, that need to render themselves as some form of XML markup. A markup writer maintains the idea of a current element. Attributes are added to the current element, and new text and elements are placed inside the current element. In this way, the markup writer maintains a facade that XML markup is generated as a stream, even though the implementation builds a kind of DOM tree. The DOM tree can be also be manipulated. This solves a number of problems from Tapestry 4 (and earlier) where random access to the DOM was desired and had to be simulated through complex buffering.
org.apache.tapestry5.MarkupWriter
An interface used by objects, such as Tapestry components, that need to render themselves as some form of XML markup. A markup writer maintains the idea of a current element. Attributes are added to the current element, and new text and elements are placed inside the current element. In this way, the markup writer maintains a facade that XML markup is generated as a stream, even though the implementation builds a kind of DOM tree. The DOM tree can be also be manipulated. This solves a number of problems from Tapestry 4 (and earlier) where random access to the DOM was desired and had to be simulated through complex buffering.

Examples of org.apache.tapestry5.MarkupWriter

     * TAP5-349
     */
    @Test
    public void single_root_element_only()
    {
        MarkupWriter w = new MarkupWriterImpl(new XMLMarkupModel());


        w.element("root1");
        w.end();


        try
        {
            w.element("root2");
            unreachable();
        }
        catch (RuntimeException ex)
        {
            assertEquals(ex.getMessage(),

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test
    public void write_whitespace_before_start_of_root_element_is_retained()
    {
        MarkupWriter w = new MarkupWriterImpl(new XMLMarkupModel());


        w.write("  ");


        w.element("root");
        w.end();


        assertEquals(w.toString(), "<?xml version=\"1.0\"?>\n" +
                "  <root/>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test
    public void write_whitespace_after_end_of_root_element_is_retained_in_preamble()
    {
        MarkupWriter w = new MarkupWriterImpl(new XMLMarkupModel());


        w.element("root");
        w.end();


        w.write("  ");


        assertEquals(w.toString(), "<?xml version=\"1.0\"?>\n  <root/>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test()
    public void preamble_content() throws Exception
    {
        MarkupWriter w = new MarkupWriterImpl(new XMLMarkupModel());


        w.comment("preamble start");
        w.write("preamble text");
        w.cdata("CDATA content");
        w.writeRaw("&nbsp;");
        w.element("root");
        w.end();
        // You really shouldn't have any text after the close tag of the document, so it
        // gets moved to the top, to the "preamble", before the first element.
        w.comment("content after root element in preamble");


        assertEquals(w.getDocument().toString(), readFile("preamble_content.txt"));
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test(expectedExceptions = IllegalStateException.class)
    public void attribute_ns_with_no_current_element()
    {
        MarkupWriter w = new MarkupWriterImpl();


        w.attributeNS("foo", "bar", "baz");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test(expectedExceptions = IllegalStateException.class)
    public void define_namespace_with_no_current_element()
    {
        MarkupWriter w = new MarkupWriterImpl();


        w.defineNamespace("foo", "bar");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test(expectedExceptions = IllegalStateException.class)
    public void end_with_no_current_element()
    {
        MarkupWriter w = new MarkupWriterImpl();


        w.end();
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test(expectedExceptions = IllegalStateException.class)
    public void attributes_with_no_current_element()
    {
        MarkupWriter w = new MarkupWriterImpl();


        w.attributes("fail", "now");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test
    public void current_element_at_end_of_root_element_is_null()
    {
        MarkupWriter w = new MarkupWriterImpl();


        w.element("root");


        assertNull(w.end());
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


    @Test
    public void element_nesting()
    {
        MarkupWriter w = new MarkupWriterImpl();


        Element root = w.element("root");


        w.attributes("foo", "bar");


        w.write("before child");


        assertNotSame(w.element("nested"), root);


        w.write("inner text");


        assertSame(w.end(), root);


        w.write("after child");


        root.attribute("gnip", "gnop");


        assertEquals(w.toString(),
                     "<root foo=\"bar\" gnip=\"gnop\">before child<nested>inner text</nested>after child</root>");
    }

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