Examples of org.apache.sling.api.request.RequestPathInfo

org.apache.sling.api.request.RequestPathInfo

Sling breaks the request URI into four parts: the path itself, optional dot-separated selectors and extension that follow it, and an optional path suffix.

Decomposition of a Request URL

{@link #getResourcePath() content path} - The longest substring of the requestURI resolving to a {@link org.apache.sling.api.resource.Resource} object suchthat the content path is either the complete request URI or the next character in the request URI after the content path is either a dot (.) or a slash (/).
{@link #getSelectors() selectors} - If the first character in therequest URI after the content path is a dot, the string after the dot upto but not including the last dot before the next slash character or the end of the request URI. If the content path spans the complete request URI or if a slash follows the content path in the request, then no seletors exist. If only one dot follows the content path before the end of the request URI or the next slash, no selectors exist. The selectors are available as {@link #getSelectorString() a single string} and as an{@link #getSelectors() array of strings}, which is the selector string splitted on dots.
{@link #getExtension() extension} - The string after the last dot afterthe content path in the request uri but before the end of the request uri or the next slash after the content path in the request uri. If the content path spans the complete request URI or a slash follows the content path in the request URI, the extension is empty.
{@link #getSuffix() suffix path} - If the request URI contains a slashcharacter after the content path and optional selectors and extension, the path starting with the slash upto the end of the request URI is the suffix path.

Examples:

URI	Content Path	Selectors	Extension	Suffix
/a/b	/a/b	null	null	null
/a/b.html	/a/b	null	html	null
/a/b.s1.html	/a/b	s1	html	null
/a/b.s1.s2.html	/a/b	s1.s2	html	null
/a/b/c/d	/a/b	null	null	/c/d
/a/b.html/c/d	/a/b	null	html	/c/d
/a/b.s1.html/c/d	/a/b	s1	html	/c/d
/a/b.s1.s2.html/c/d	/a/b	s1.s2	html	/c/d
/a/b/c/d.s.txt	/a/b	null	null	/c/d.s.txt
/a/b.html/c/d.s.txt	/a/b	null	html	/c/d.s.txt
/a/b.s1.html/c/d.s.txt	/a/b	s1	html	/c/d.s.txt
/a/b.s1.s2.html/c/d.s.txt	/a/b	s1.s2	html	/c/d.s.txt

        assertEquals("Selector string must not be null", "1",
            p.getSelectorString());
    }


    public void testJIRA_250_d() {
        RequestPathInfo p = new SlingRequestPathInfo(new MockResource("/",
            ".json"));
        assertEquals("/", p.getResourcePath());
        assertEquals("json", p.getExtension());
        assertNull("Suffix is null",p.getSuffix());
        assertNull("Selectors are null",p.getSelectorString());
    }

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        assertEquals("ext", p.getExtension());


        // test to replace selectors with a new one
        RequestDispatcherOptions o = new RequestDispatcherOptions();
        o.setReplaceSelectors("a");
        RequestPathInfo result = p.merge(o);
        assertEquals("a", result.getSelectorString());
        assertEquals("ext", result.getExtension());


        // test to replace selector with the empty string
        o.setReplaceSelectors("");
        result = p.merge(o);
        assertEquals(null, result.getSelectorString());
        assertEquals("ext", result.getExtension());


        // now add a selector
        o.setAddSelectors("b");
        result = p.merge(o);
        assertEquals("b", result.getSelectorString());
        assertEquals("ext", result.getExtension());


        // replace ext
        o.setReplaceSuffix("html");
        result = p.merge(o);
        assertEquals("b", result.getSelectorString());
        assertEquals("html", result.getSuffix());
    }

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    @Before
    public void setup() {
        request = Mockito.mock(SlingHttpServletRequest.class);
        
        final RequestPathInfo rpi = Mockito.mock(RequestPathInfo.class);
        Mockito.when(request.getRequestPathInfo()).thenReturn(rpi);
        Mockito.when(rpi.getSelectors()).thenAnswer(new Answer<String[]>(){
            public String [] answer(InvocationOnMock invocation) {
                return selectors;
            }
        });

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    }


    public void initServlet(final Resource resource,
            final ServletResolver sr) {
        // the resource and the request path info, will never be null
        RequestPathInfo requestPathInfo = new SlingRequestPathInfo(resource);
        ContentData contentData = setContent(resource, requestPathInfo);


      requestProgressTracker.log("Resource Path Info: {0}", requestPathInfo);


        // finally resolve the servlet for the resource

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     * @throws NullPointerException if request or target is <code>null</code>.
     */
    private static StringBuilder appendSelectorsExtensionSuffixQuery(
            SlingHttpServletRequest request, StringBuilder target) {
        // append current selectors, extension and suffix
        final RequestPathInfo rpi = request.getRequestPathInfo();
        if (rpi.getExtension() != null) {


            if (rpi.getSelectorString() != null) {
                target.append('.').append(rpi.getSelectorString());
            }


            target.append('.').append(rpi.getExtension());


            if (rpi.getSuffix() != null) {
                target.append(rpi.getSuffix());
            }
        }


        // append current querystring
        if (request.getQueryString() != null) {

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        }


        @Override
        protected void service(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
            final String url = request.getParameter(PARAMETER_URL);
            final RequestPathInfo requestPathInfo = new DecomposedURL(url).getRequestPathInfo();
            String method = request.getParameter(PARAMETER_METHOD);
            if (StringUtils.isBlank(method)) {
                method = "GET";
            }


            final String CONSOLE_PATH_WARNING =
                    "<em>"
                    + "Note that in a real Sling request, the path might vary depending on the existence of"
                    + " resources that partially match it."
                    + "<br/>This utility does not take this into account and uses the first dot to split"
                    + " between path and selectors/extension."
                    + "<br/>As a workaround, you can replace dots with underline characters, for example, when testing such an URL."
                    + "</em>";


            ResourceResolver resourceResolver = null;
            try {
                resourceResolver = resourceResolverFactory.getAdministrativeResourceResolver(null);


                final PrintWriter pw = response.getWriter();


                pw.print("<form method='get'>");
                pw.println("<table class='content' cellpadding='0' cellspacing='0' width='100%'>");


                titleHtml(
                        pw,
                        "Servlet Resolver Test",
                        "To check which servlet is responsible for rendering a response, enter a request path into " +
                                 "the field and click 'Resolve' to resolve it.");


                tr(pw);
                tdLabel(pw, "URL");
                tdContent(pw);


                pw.print("<input type='text' name='");
                pw.print(PARAMETER_URL);
                pw.print("' value='");
                if ( url != null ) {
                    pw.print(ResponseUtil.escapeXml(url));
                }
                pw.println("' class='input' size='50'>");
                closeTd(pw);
                closeTr(pw);
                closeTr(pw);


                tr(pw);
                tdLabel(pw, "Method");
                tdContent(pw);
                pw.print("<select name='");
                pw.print(PARAMETER_METHOD);
                pw.println("'>");
                pw.println("<option value='GET'>GET</option>");
                pw.println("<option value='POST'>POST</option>");
                pw.println("</select>");
                pw.println("&nbsp;&nbsp;<input type='submit' value='Resolve' class='submit'>");


                closeTd(pw);
                closeTr(pw);


                if (StringUtils.isNotBlank(url)) {
                    tr(pw);
                    tdLabel(pw, "Decomposed URL");
                    tdContent(pw);
                    pw.println("<dl>");
                    pw.println("<dt>Path</dt>");
                    pw.print("<dd>");
                    pw.print(ResponseUtil.escapeXml(requestPathInfo.getResourcePath()));
                    pw.print("<br/>");
                    pw.print(CONSOLE_PATH_WARNING);
                    pw.println("</dd>");
                    pw.println("<dt>Selectors</dt>");
                    pw.print("<dd>");
                    if (requestPathInfo.getSelectors().length == 0) {
                        pw.print("&lt;none&gt;");
                    } else {
                        pw.print("[");
                        pw.print(ResponseUtil.escapeXml(StringUtils.join(requestPathInfo.getSelectors(), ", ")));
                        pw.print("]");
                    }
                    pw.println("</dd>");
                    pw.println("<dt>Extension</dt>");
                    pw.print("<dd>");
                    pw.print(ResponseUtil.escapeXml(requestPathInfo.getExtension()));
                    pw.println("</dd>");
                    pw.println("</dl>");
                    pw.println("</dd>");
                    pw.println("<dt>Suffix</dt>");
                    pw.print("<dd>");
                    pw.print(ResponseUtil.escapeXml(requestPathInfo.getSuffix()));
                    pw.println("</dd>");
                    pw.println("</dl>");
                    closeTd(pw);
                    closeTr(pw);
                }


                if (StringUtils.isNotBlank(requestPathInfo.getResourcePath())) {
                    final Collection<Resource> servlets;
                    Resource resource = resourceResolver.resolve(requestPathInfo.getResourcePath());
                    if (resource.adaptTo(Servlet.class) != null) {
                        servlets = Collections.singleton(resource);
                    } else {
                        final ResourceCollector locationUtil = ResourceCollector.create(
                                resource,
                                requestPathInfo.getExtension(),
                                executionPaths,
                                defaultExtensions,
                                method,
                                requestPathInfo.getSelectors());
                        servlets = locationUtil.getServlets(resourceResolver);
                    }
                    tr(pw);
                    tdLabel(pw, "&nbsp;");
                    tdContent(pw);

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            // required for a null resource
        }
    }


    public void testTrailingDot() {
        RequestPathInfo p = new SlingRequestPathInfo(new MockResource(
            "/some/path", "."));
        assertEquals("/some/path", p.getResourcePath());
        assertNull("Selectors are null",p.getSelectorString());
        assertEquals(0, p.getSelectors().length);
        assertNull("Extension is null",p.getExtension());
        assertNull("Suffix is null", p.getSuffix());
    }

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        assertNull("Extension is null",p.getExtension());
        assertNull("Suffix is null", p.getSuffix());
    }


    public void testTrailingDotWithSuffix() {
        RequestPathInfo p = new SlingRequestPathInfo(new MockResource(
            "/some/path", "./suffix"));
        assertEquals("/some/path", p.getResourcePath());
        assertNull("Selectors are null",p.getSelectorString());
        assertEquals(0, p.getSelectors().length);
        assertNull("Extension is null",p.getExtension());
        assertEquals("/suffix", p.getSuffix());
    }

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        assertNull("Extension is null",p.getExtension());
        assertEquals("/suffix", p.getSuffix());
    }


    public void testTrailingDotDot() {
        RequestPathInfo p = new SlingRequestPathInfo(new MockResource(
            "/some/path", ".."));
        assertEquals("/some/path", p.getResourcePath());
        assertNull("Selectors are null",p.getSelectorString());
        assertEquals(0, p.getSelectors().length);
        assertNull("Extension is null",p.getExtension());
        assertNull("Suffix is null",p.getSuffix());
    }

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        assertNull("Extension is null",p.getExtension());
        assertNull("Suffix is null",p.getSuffix());
    }


    public void testTrailingDotDotWithSuffix() {
        RequestPathInfo p = new SlingRequestPathInfo(new MockResource(
            "/some/path", "../suffix"));
        assertEquals("/some/path", p.getResourcePath());
        assertNull("Selectors are null",p.getSelectorString());
        assertEquals(0, p.getSelectors().length);
        assertNull("Extension is null",p.getExtension());
        assertEquals("/suffix", p.getSuffix());
    }

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