Struts example source code file (ComponentTest.java)

This example Struts source code file (ComponentTest.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

actioncomponent, appenditeratortag, beantag, elsetag, exception, exception, form, form, i18ntag, jsp, mergeiteratortag, servlet, settag, settag, textfieldtag, textfieldtag, util

The Struts ComponentTest.java source code

/*
 * $Id: ComponentTest.java 651946 2008-04-27 13:41:38Z apetrelli $
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.struts2.components;

import java.util.Iterator;
import java.util.Locale;
import java.util.Stack;

import javax.servlet.jsp.tagext.TagSupport;

import org.apache.struts2.views.jsp.AbstractTagTest;
import org.apache.struts2.views.jsp.BeanTag;
import org.apache.struts2.views.jsp.ElseIfTag;
import org.apache.struts2.views.jsp.ElseTag;
import org.apache.struts2.views.jsp.I18nTag;
import org.apache.struts2.views.jsp.IfTag;
import org.apache.struts2.views.jsp.IteratorTag;
import org.apache.struts2.views.jsp.PropertyTag;
import org.apache.struts2.views.jsp.PushTag;
import org.apache.struts2.views.jsp.SetTag;
import org.apache.struts2.views.jsp.TextTag;
import org.apache.struts2.views.jsp.URLTag;
import org.apache.struts2.views.jsp.iterator.AppendIteratorTag;
import org.apache.struts2.views.jsp.iterator.MergeIteratorTag;
import org.apache.struts2.views.jsp.ui.TextFieldTag;
import org.apache.struts2.views.jsp.ui.UpDownSelectTag;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.util.LocalizedTextUtil;

/**
 * Test case for method findAncestor(Class) in Component and some commons
 * test cases for Component in general.
 *
 */
public class ComponentTest extends AbstractTagTest {

    public void testFindAncestorTest() throws Exception {
        Property property = new Property(stack);
        Form form = new Form(stack, request, response);
        ActionComponent actionComponent = new ActionComponent(stack, request, response);
        Anchor anchor = new Anchor(stack, request, response);
        Form form2 = new Form(stack, request, response);
        TextField textField = new TextField(stack, request, response);


        Stack stack = property.getComponentStack();
        Iterator i = stack.iterator();


        try {
            // component stack
            assertEquals(property.getComponentStack().size(), 6);
            assertEquals(i.next(), property);
            assertEquals(i.next(), form);
            assertEquals(i.next(), actionComponent);
            assertEquals(i.next(), anchor);
            assertEquals(i.next(), form2);
            assertEquals(i.next(), textField);


            // property
            assertNull(property.findAncestor(Component.class));

            // form
            assertEquals(form.findAncestor(Component.class), property);
            assertEquals(form.findAncestor(Property.class), property);

            // action
            assertEquals(actionComponent.findAncestor(Component.class), form);
            assertEquals(actionComponent.findAncestor(Property.class), property);
            assertEquals(actionComponent.findAncestor(Form.class), form);

            // anchor
            assertEquals(anchor.findAncestor(Component.class), actionComponent);
            assertEquals(anchor.findAncestor(ActionComponent.class), actionComponent);
            assertEquals(anchor.findAncestor(Form.class), form);
            assertEquals(anchor.findAncestor(Property.class), property);

            // form2
            assertEquals(form2.findAncestor(Component.class), anchor);
            assertEquals(form2.findAncestor(Anchor.class), anchor);
            assertEquals(form2.findAncestor(ActionComponent.class), actionComponent);
            assertEquals(form2.findAncestor(Form.class), form);
            assertEquals(form2.findAncestor(Property.class), property);

            // textField
            assertEquals(textField.findAncestor(Component.class), form2);
            assertEquals(textField.findAncestor(Form.class), form2);
            assertEquals(textField.findAncestor(Anchor.class), anchor);
            assertEquals(textField.findAncestor(ActionComponent.class), actionComponent);
            assertEquals(textField.findAncestor(Property.class), property);
        }
        finally {
            property.getComponentStack().pop();
            property.getComponentStack().pop();
            property.getComponentStack().pop();
            property.getComponentStack().pop();
            property.getComponentStack().pop();
        }
    }

    // Action Component
    /*
    public void testActionComponentDisposeItselfFromComponentStack() throws Exception {
        ConfigurationManager.clearConfigurationProviders();
        ConfigurationManager.addConfigurationProvider(new TestConfigurationProvider());
        ConfigurationManager.getConfiguration().reload();

        ActionContext actionContext = new ActionContext(context);
        actionContext.setValueStack(stack);
        ActionContext.setContext(actionContext);

        request.setupGetServletPath(TestConfigurationProvider.TEST_NAMESPACE + "/" + "foo.action");
        try {
            TextFieldTag t = new TextFieldTag();
            t.setName("textFieldName");
            t.setPageContext(pageContext);
            t.doStartTag();

            ActionTag tag = new ActionTag();
            tag.setPageContext(pageContext);
            tag.setName(TestConfigurationProvider.TEST_NAMESPACE_ACTION);
            tag.setId(TestConfigurationProvider.TEST_NAMESPACE_ACTION);
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());

            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }
    */


    // AppendInterator
    public void testAppendIteratorDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        AppendIteratorTag tag = new AppendIteratorTag();
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // Bean
    public void testBeanComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        BeanTag tag = new BeanTag();
        tag.setName("org.apache.struts2.util.Counter");
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail();
        }
    }


    // ElseIf
    public void testElseIfComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        ElseIfTag tag = new ElseIfTag();
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // Else
    public void testElseComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        ElseTag tag = new ElseTag();
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // If
    public void testIfComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        IfTag tag = new IfTag();
        tag.setTest("false");
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // Iterator
    public void testIteratorComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        IteratorTag tag = new IteratorTag();
        tag.setValue("{1,2}");
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            int endIt = tag.doAfterBody();
            while(TagSupport.EVAL_BODY_AGAIN == endIt) {
                assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
                endIt = tag.doAfterBody();
            }
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // MergeIterator
    public void testMergeIteratorComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        MergeIteratorTag tag = new MergeIteratorTag();
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // Property
    public void testPropertyComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        PropertyTag tag = new PropertyTag();
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // Push
    public void testPushComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        PushTag tag = new PushTag();
        tag.setValue("'aaaa'");
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // Set
    public void testSetComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        SetTag tag = new SetTag();
        tag.setName("name");
        tag.setValue("'value'");
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // Text
    public void testTextComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        TextTag tag = new TextTag();
        tag.setName("some.i18n.key");
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    public void testI18nComponentDisposeItselfFromComponentStack() throws Exception {
        stack.getContext().put(ActionContext.LOCALE, Locale.getDefault());

        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        LocalizedTextUtil.addDefaultResourceBundle("org.apache.struts2.components.temp");

        I18nTag tag = new I18nTag();
        tag.setName("org.apache.struts2.components.tempo");
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }

    // URL
    public void testURLComponentDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        URLTag tag = new URLTag();
        tag.setPageContext(pageContext);

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }


    // updownselect
    public void testUpDownSelectDisposeItselfFromComponentStack() throws Exception {
        TextFieldTag t = new TextFieldTag();
        t.setPageContext(pageContext);
        t.setName("textFieldName");

        UpDownSelectTag tag = new UpDownSelectTag();
        tag.setId("myId");
        tag.setPageContext(pageContext);
        tag.setName("updownselectName");
        tag.setList("{}");

        try {
            t.doStartTag();
            tag.doStartTag();
            assertEquals(tag.getComponent().getComponentStack().peek(), tag.getComponent());
            tag.doEndTag();
            assertEquals(t.getComponent().getComponentStack().peek(), t.getComponent());
            t.doEndTag();
        }
        catch(Exception e) {
            e.printStackTrace();
            fail(e.toString());
        }
    }
}