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

    }


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


        w.element("root");


        w.attributes("foo", "bar", "gnip", "gnop");


        assertEquals(w.toString(), "<root foo=\"bar\" gnip=\"gnop\"></root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


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


        assertEquals(w.toString(), "<root><!-- A comment --></root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


        w.element("root");
        w.comment("<&>");
        w.end();


        assertEquals(w.toString(), "<root><!-- <&> --></root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


        w.element("root");
        w.write("before");
        w.comment("A comment");
        w.write("after");
        w.end();


        assertEquals(w.toString(), "<root>before<!-- A comment -->after</root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


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


        assertEquals(w.toString(), "<root></root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


        w.element("root");
        w.writef("Test name: %s", "writef");


        assertEquals(w.toString(), "<root>Test name: writef</root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter




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


        w.element("root");
        w.write("<");
        w.writeRaw("&nbsp;");
        w.write(">");
        w.end();


        assertEquals(w.toString(), "<root>&lt;&nbsp;&gt;</root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


        Element root = w.elementNS("fredns", "root");


        assertSame(root.defineNamespace("fredns", "fred"), root);


        root.defineNamespace("barneyns", "barney");


        assertSame(w.attributeNS("fredns", "foo", "bar"), root);


        Element child = w.elementNS("barneyns", "child");


        assertSame(child.getParent(), root);


        w.end(); // child
        w.end(); // root


        assertEquals(w.toString(),
                     "<?xml version=\"1.0\"?>\n<fred:root fred:foo=\"bar\" xmlns:barney=\"barneyns\" xmlns:fred=\"fredns\"><barney:child/></fred:root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


        w.element("root");
        w.write("Normal Text ");
        w.cdata("< & >");
        w.write("More Normal Text");


        assertEquals(w.toString(),
                     "<?xml version=\"1.0\"?>\n<root>Normal Text <![CDATA[< & >]]>More Normal Text</root>");
    }

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Examples of org.apache.tapestry5.MarkupWriter

    }


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


        MarkupWriterListener l = new MarkupWriterListener()
        {
            public void elementDidStart(Element element)
            {
                element.text("[Start: " + element.getName() + "]");
            }


            public void elementDidEnd(Element element)
            {
                element.text("[End: " + element.getName() + "]");
            }
        };


        w.element("root");
        w.element("no-listener");


        w.write("before listener");


        w.addListener(l);


        w.element("listener");
        w.write("before n-w-l");
        w.element("nested-with-listener");
        w.write("n-w-l text");
        w.end();
        w.write("after n-w-l");
        w.end();


        w.removeListener(l);


        w.write("after listener");


        w.end();
        w.end();


        // Because we are invoking Element.text(), the text added by the listener is appended to the body of the element,
        // which is correct but may not be what you'd expect.


        assertEquals(w.toString(), "<?xml version=\"1.0\"?>\n" +
                "<root><no-listener>before listener<listener>[Start: listener]before n-w-l<nested-with-listener>[Start: nested-with-listener]n-w-l text[End: nested-with-listener]</nested-with-listener>after n-w-l[End: listener]</listener>after listener</no-listener></root>");
    }

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