Examples of org.apache.tapestry.IPage.validate()

org.apache.tapestry.IPage.validate()
Method invoked by the page, action and direct services to validate that the user is allowed to visit the page.
Most web applications have a concept of 'logging in' and pages that an anonymous (not logged in) user should not be able to visit directly. This method acts as the first line of defense against a malicous user hacking URLs.
Pages that should be protected will typically throw a {@link PageRedirectException}, to redirect the user to an appropriate part of the system (such as, a login page).
Since 3.0, it is easiest to not override this method, but to implement the {@link PageValidateListener} interfaceinstead.

        IPage page = newPage();
        ListenerFixture l = new ListenerFixture();


        // Code path: no listener list


        page.validate(null);


        page.addPageValidateListener(l);


        page.validate(null);

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        page.validate(null);


        page.addPageValidateListener(l);


        page.validate(null);


        assertEquals("pageValidate", l.getMethod());


        l.reset();

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        l.reset();


        page.removePageValidateListener(l);


        page.validate(null);


        assertNull(l.getMethod());
    }


}

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        IPage page = newPage();
        ListenerFixture l = new ListenerFixture();


        // Code path: no listener list


        page.validate(null);


        page.addPageValidateListener(l);


        page.validate(null);

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        page.validate(null);


        page.addPageValidateListener(l);


        page.validate(null);


        assertEquals("pageValidate", l.getMethod());


        l.reset();

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        l.reset();


        page.removePageValidateListener(l);


        page.validate(null);


        assertNull(l.getMethod());
    }


}

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        IPage page = createPage();
        ListenerFixture l = new ListenerFixture();


        // Code path: no listener list


        page.validate(null);


        page.addPageValidateListener(l);


        page.validate(null);

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        page.validate(null);


        page.addPageValidateListener(l);


        page.validate(null);


        assertEquals("pageValidate", l.getMethod());


        l.reset();

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        l.reset();


        page.removePageValidateListener(l);


        page.validate(null);


        assertNull(l.getMethod());
    }


}

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        IPage page = createPage();
        ListenerFixture l = new ListenerFixture();


        // Code path: no listener list


        page.validate(null);


        page.addPageValidateListener(l);


        page.validate(null);

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