Struts example source code file (UnknownHandlerManagerTest.java)

This example Struts source code file (UnknownHandlerManagerTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

configurationexception, configurationexception, configurationprovider, configurationtestbase, defaultunknownhandlermanager, defaultunknownhandlermanager, list, someunknownhandler, someunknownhandler, string, unknownhandler, unknownhandler, unknownhandlermanager, unknownhandlermanagermock, util

The Struts UnknownHandlerManagerTest.java source code

package com.opensymphony.xwork2.util;

import java.util.List;

import com.opensymphony.xwork2.UnknownHandler;
import com.opensymphony.xwork2.UnknownHandlerManager;
import com.opensymphony.xwork2.UnknownHandlerManagerMock;
import com.opensymphony.xwork2.DefaultUnknownHandlerManager;
import com.opensymphony.xwork2.config.ConfigurationException;
import com.opensymphony.xwork2.config.ConfigurationProvider;
import com.opensymphony.xwork2.config.providers.ConfigurationTestBase;
import com.opensymphony.xwork2.config.providers.SomeUnknownHandler;

/**
 * Test UnknownHandlerUtil
 */
public class UnknownHandlerManagerTest extends ConfigurationTestBase {

    public void testStack() throws ConfigurationException {
        final String filename = "com/opensymphony/xwork2/config/providers/xwork-unknownhandler-stack.xml";
        ConfigurationProvider provider = buildConfigurationProvider(filename);
        loadConfigurationProviders(provider);
        configurationManager.reload();

        UnknownHandlerManager unknownHandlerManager = new DefaultUnknownHandlerManager();
        container.inject(unknownHandlerManager);
        List<UnknownHandler> unknownHandlers = unknownHandlerManager.getUnknownHandlers();

        assertNotNull(unknownHandlers);
        assertEquals(2, unknownHandlers.size());

        UnknownHandler uh1 = unknownHandlers.get(0);
        UnknownHandler uh2 = unknownHandlers.get(1);

        assertTrue(uh1 instanceof SomeUnknownHandler);
        assertTrue(uh2 instanceof SomeUnknownHandler);
    }

    public void testEmptyStack() throws ConfigurationException {
        final String filename = "com/opensymphony/xwork2/config/providers/xwork-unknownhandler-stack-empty.xml";
        ConfigurationProvider provider = buildConfigurationProvider(filename);
        loadConfigurationProviders(provider);
        configurationManager.reload();

        UnknownHandlerManager unknownHandlerManager = new DefaultUnknownHandlerManager();
        container.inject(unknownHandlerManager);
        List<UnknownHandler> unknownHandlers = unknownHandlerManager.getUnknownHandlers();

        assertNotNull(unknownHandlers);
        assertEquals(2, unknownHandlers.size());

        UnknownHandler uh1 = unknownHandlers.get(0);
        UnknownHandler uh2 = unknownHandlers.get(1);

        assertTrue(uh1 instanceof SomeUnknownHandler);
        assertTrue(uh2 instanceof SomeUnknownHandler);
    }

    public void testInvocationOrder() throws ConfigurationException, NoSuchMethodException {
        SomeUnknownHandler uh1 = new SomeUnknownHandler();
        uh1.setActionMethodResult("uh1");

        SomeUnknownHandler uh2 = new SomeUnknownHandler();
        uh2.setActionMethodResult("uh2");

        UnknownHandlerManagerMock uhm = new UnknownHandlerManagerMock();
        uhm.addUnknownHandler(uh1);
        uhm.addUnknownHandler(uh2);

        //should pick the first one
        assertEquals("uh1", uhm.handleUnknownMethod(null, null));

        //should pick the second one
        uh1.setActionMethodResult(null);
        assertEquals("uh2", uhm.handleUnknownMethod(null, null));

        //should not pick any
        uh1.setActionMethodResult(null);
        uh2.setActionMethodResult(null);
        assertEquals(null, uhm.handleUnknownMethod(null, null));
    }
}