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Struts example source code file (MergeIteratorTagTest.java)

This example Struts source code file (MergeIteratorTagTest.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

a, a, arraylist, b, c, cce, iterator, list, list, mergeiteratortag, paramtag, paramtag, string, string, util

The Struts MergeIteratorTagTest.java source code

/*
 * $Id: MergeIteratorTagTest.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.views.jsp;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.struts2.views.jsp.iterator.MergeIteratorTag;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionSupport;

/**
 * Test case for MergeIteratorTag.
 *
 */
public class MergeIteratorTagTest extends AbstractTagTest {

    public void testMergingIteratorWithArrayAsSource() throws Exception {
        MergeIteratorTag tag = new MergeIteratorTag();
        tag.setPageContext(pageContext);
        tag.setId("myMergedIterator");

        ParamTag iterator1ParamTag = new ParamTag();
        iterator1ParamTag.setPageContext(pageContext);
        iterator1ParamTag.setValue("myArr1");

        ParamTag iterator2ParamTag = new ParamTag();
        iterator2ParamTag.setPageContext(pageContext);
        iterator2ParamTag.setValue("myArr2");

        ParamTag iterator3ParamTag = new ParamTag();
        iterator3ParamTag.setPageContext(pageContext);
        iterator3ParamTag.setValue("myArr3");


        tag.doStartTag();
        iterator1ParamTag.doStartTag();
        iterator1ParamTag.doEndTag();
        iterator2ParamTag.doStartTag();
        iterator2ParamTag.doEndTag();
        iterator3ParamTag.doStartTag();
        iterator3ParamTag.doEndTag();
        tag.doEndTag();

        Iterator mergedIterator = (Iterator) stack.findValue("#myMergedIterator"); // if not iterator, let CCE surface

        assertNotNull(mergedIterator);
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "1");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "a");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "A");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "2");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "b");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "B");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "3");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "c");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "C");
        assertFalse(mergedIterator.hasNext());
    }


    public void testMergingIteratorsWithListAsSource() throws Exception {
        MergeIteratorTag tag = new MergeIteratorTag();
        tag.setPageContext(pageContext);
        tag.setId("myMergedIterator");

        ParamTag iterator1ParamTag = new ParamTag();
        iterator1ParamTag.setPageContext(pageContext);
        iterator1ParamTag.setValue("myList1");

        ParamTag iterator2ParamTag = new ParamTag();
        iterator2ParamTag.setPageContext(pageContext);
        iterator2ParamTag.setValue("myList2");

        ParamTag iterator3ParamTag = new ParamTag();
        iterator3ParamTag.setPageContext(pageContext);
        iterator3ParamTag.setValue("myList3");


        tag.doStartTag();
        iterator1ParamTag.doStartTag();
        iterator1ParamTag.doEndTag();
        iterator2ParamTag.doStartTag();
        iterator2ParamTag.doEndTag();
        iterator3ParamTag.doStartTag();
        iterator3ParamTag.doEndTag();
        tag.doEndTag();

        Iterator mergedIterator = (Iterator) stack.findValue("#myMergedIterator"); // if not iterator, let CCE surface

        assertNotNull(mergedIterator);
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "1");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "a");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "A");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "2");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "b");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "B");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "3");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "c");
        assertTrue(mergedIterator.hasNext());
        assertEquals(mergedIterator.next(), "C");
        assertFalse(mergedIterator.hasNext());
    }




    public Action getAction() {
        return new ActionSupport() {
            public List getMyList1() {
                List l = new ArrayList();
                l.add("1");
                l.add("2");
                l.add("3");
                return l;
            }

            public List getMyList2() {
                List l = new ArrayList();
                l.add("a");
                l.add("b");
                l.add("c");
                return l;
            }

            public List getMyList3() {
                List l = new ArrayList();
                l.add("A");
                l.add("B");
                l.add("C");
                return l;
            }

            public String[] getMyArr1() {
                return new String[] { "1", "2", "3" };
            }

            public String[] getMyArr2() {
                return new String[] { "a", "b", "c" };
            }

            public String[] getMyArr3() {
                return new String[] {"A", "B", "C"};
            }
        };
    }
}

Other Struts examples (source code examples)

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