Examples of org.apache.velocity.tools.view.LinkTool

org.apache.velocity.tools.view.LinkTool

View tool to make building URIs pleasant and fun!

 Template example(s): #set( $base = $link.relative('MyPage.vm').anchor('view') ) <a href="$base.param('select','this')">this</a> <a href="$base.param('select','that')">that</a> Toolbox configuration: <tools> <toolbox scope="request"> <tool class="org.apache.velocity.tools.view.LinkTool" selfAbsolute="true" selfIncludeParameters="true"/> </toolbox> </tools>

This tool may only be used in the request scope.

@author Gabe Sidler @author Nathan Bubna @since VelocityTools 1.0 @version $Id: LinkTool.java 544680 2007-06-05 23:39:13Z nbubna $

                                     handler);


        HttpServletRequest request = (HttpServletRequest)proxy;
        HttpServletResponse response = (HttpServletResponse)proxy;


        LinkTool link = new LinkTool();
        link.setRequest(request);
        link.setResponse(response);
        return link;
    }

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    public @Test void testAddAllParameters()
    {
        HashMap params = new HashMap();
        params.put("a", "b");
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);


        String url = link.setRelative("/target")
            .addQueryData("foo", "bar")
            .addQueryData("bar", "baz")
            .addAllParameters()
            .toString();

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    public @Test void testAddMultiValueParameters()
    {
        HashMap params = new HashMap();
        params.put("a", new String[] { "a", "b", "c" });
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);


        String url = link.setRelative("/target")
            .addQueryData("foo", "bar")
            .addQueryData("bar", "baz")
            .addAllParameters()
            .toString();

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    {
        HashMap params = new HashMap();
        params.put("a", "b");
        params.put("b", "c");
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);


        String url = link.setRelative("/target")
            .addQueryData("foo", "bar")
            .addQueryData("bar", "baz")
            .addIgnore("b")
            .addAllParameters()
            .toString();

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    public @Test void testAddAllParametersFirst()
    {
        HashMap params = new HashMap();
        params.put("a", "b");
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);


        String url = link.setRelative("/target")
            .addAllParameters()
            .addQueryData("foo", "bar")
            .addQueryData("bar", "baz")
            .toString();

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    public @Test void testAddAdditionalValue()
    {
        HashMap params = new HashMap();
        params.put("a", "b");
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);
        link.setAutoIgnoreParameters(false);


        String url = link.setRelative("/target")
            .addQueryData("a", "c")
            .addAllParameters()
            .toString();


        Assert.assertEquals("/test/target?a=c&amp;a=b", url);

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    public @Test void testAddAdditionalValueAfter()
    {
        HashMap params = new HashMap();
        params.put("a", "b");
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);
        link.setAutoIgnoreParameters(false);


        String url = link.setRelative("/target")
            .addAllParameters()
            .addQueryData("a", "c")
            .toString();


        Assert.assertEquals("/test/target?a=b&amp;a=c", url);

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    public @Test void testAutoIgnore()
    {
        HashMap params = new HashMap();
        params.put("a", "b");
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);


        String url = link.setRelative("/target")
            .addQueryData("a", "c")
            .toString();


        Assert.assertEquals("/test/target?a=c", url);
    }

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    public @Test void testAutoIgnoreMultiple()
    {
        HashMap params = new HashMap();
        params.put("a", new String[] { "a", "b", "c" } );
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);


        String url = link.setRelative("/target")
            .addQueryData("a", "d")
            .addAllParameters()
            .toString();


        Assert.assertEquals("/test/target?a=d", url);

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    public @Test void testNoIgnoreMultiple_WrongOrder()
    {
        HashMap params = new HashMap();
        params.put("a", new String[] { "a", "b", "c" } );
        InvocationHandler handler = new ServletAdaptor("/test", params);
        LinkTool link = newLinkTool(handler);


        String url = link.setRelative("/target")
            .addAllParameters()
            .addQueryData("a", "d")
            .toString();


        Assert.assertEquals("/test/target?a=a&amp;a=b&amp;a=c&amp;a=d", url);

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