Struts example source code file (XSLTResultTest.java)

This example Struts source code file (XSLTResultTest.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

action, claus, exception, exception, santa, should, string, string, transformerexception, transformerexception, uriresolver, utf-8, utf-8, util, xsltresult

The Struts XSLTResultTest.java source code

/*
 * $Id: XSLTResultTest.java 803589 2009-08-12 16:37:46Z musachy $
 *
 * 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.xslt;

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

import javax.xml.transform.Source;
import javax.xml.transform.TransformerException;
import javax.xml.transform.URIResolver;
import javax.xml.transform.stream.StreamSource;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.StrutsTestCase;
import org.apache.struts2.util.ClassLoaderUtils;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockServletContext;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.mock.MockActionInvocation;
import com.opensymphony.xwork2.util.ValueStack;
import com.opensymphony.xwork2.util.ValueStackFactory;

/**
 * Unit test for {@link XSLTResult}.
 *
 */
public class XSLTResultTest extends StrutsTestCase {

    private XSLTResult result;
    private MockHttpServletResponse response;
    private MockHttpServletRequest request;
    private MockServletContext servletContext;
    private MockActionInvocation mai;
    private ValueStack stack;

    public void testNoLocation() throws Exception {
        try {
            result.setParse(false);
            result.setLocation(null);
            result.execute(mai);
            fail("Should have thrown an IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            // success
        }
    }

    public void testNoFileFound() throws Exception {
        try {
            result.setParse(false);
            result.setLocation("nofile.xsl");
            result.execute(mai);
            fail("Should have thrown a TransformerException");
        } catch (TransformerException e) {
            // success
        }
    }

    public void testSimpleTransform() throws Exception {
        result.setParse(false);
        result.setLocation("XSLTResultTest.xsl");
        result.execute(mai);

        String out = response.getContentAsString();
        assertTrue(out.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
        assertTrue(out.indexOf("<result xmlns=\"http://www.w3.org/TR/xhtml1/strict\"") > -1);
    }

    public void testSimpleTransformParse() throws Exception {
        result.setParse(true);
        result.setLocation("${top.myLocation}");
        result.execute(mai);

        String out = response.getContentAsString();
        assertTrue(out.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
        assertTrue(out.indexOf("<result xmlns=\"http://www.w3.org/TR/xhtml1/strict\"") > -1);
    }

    public void testTransform2() throws Exception {
        result.setParse(false);
        result.setLocation("XSLTResultTest2.xsl");
        result.execute(mai);

        String out = response.getContentAsString();
        assertTrue(out.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
        assertTrue(out.indexOf("<html xmlns=\"http://www.w3.org/TR/xhtml1/strict\"") > -1);
        assertTrue(out.indexOf("Hello Santa Claus how are you?") > -1);
    }
    
    public void testTransform3() throws Exception {
        result.setParse(false);
        result.setLocation("XSLTResultTest3.xsl");
        result.execute(mai);

        String out = response.getContentAsString();
        assertTrue(out.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
        assertTrue(out.indexOf("<html xmlns=\"http://www.w3.org/TR/xhtml1/strict\"") > -1);
        assertTrue(out.indexOf("Hello Santa Claus how are you?") > -1);
        assertTrue(out.indexOf("WebWork in Action by Patrick and Jason") > -1);
        assertTrue(out.indexOf("XWork not in Action by Superman") > -1);
    }
    
    public void testTransformWithBoolean() throws Exception {
        result.setParse(false);
        result.setLocation("XSLTResultTest5.xsl");
        result.execute(mai);

        String out = response.getContentAsString();
        assertTrue(out.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
        assertTrue(out.indexOf("<html xmlns=\"http://www.w3.org/TR/xhtml1/strict\"") > -1);
        assertTrue(out.indexOf("Hello Santa Claus how are you?") > -1);
        assertTrue(out.indexOf("You are active: true") > -1);
    }
    
    public void testTransform4WithDocumentInclude() throws Exception {
        result = new XSLTResult(){
            protected URIResolver getURIResolver() {
                return new URIResolver() {
                    public Source resolve(String href, String base) throws TransformerException {
                        return new StreamSource(ClassLoaderUtils.getResourceAsStream(href, this.getClass()));
                    }
                    
                };
            }
            
        };
        result.setParse(false);
        result.setLocation("XSLTResultTest4.xsl");
        result.execute(mai);

        String out = response.getContentAsString();
        assertTrue(out.startsWith("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"));
        assertTrue(out.indexOf("<validators>") > -1);
    }

    public void testTransform4WithBadDocumentInclude() throws Exception {
        result = new XSLTResult(){
            protected URIResolver getURIResolver() {
                return new URIResolver() {
                    public Source resolve(String href, String base) throws TransformerException {
                        return new StreamSource(ClassLoaderUtils.getResourceAsStream(href, this.getClass()));
                    }

                };
            }

        };
        result.setParse(false);
        result.setLocation("XSLTResultTest4.badinclude.xsl");
        try {
            result.execute(mai);
            fail("Should have thrown an exception");
        } catch (Exception ex) {
            assertEquals("Error transforming result", ex.getMessage());
        }
    }
    
    public void testTransformWithError() throws Exception {
        result = new XSLTResult(){
            protected URIResolver getURIResolver() {
                return new URIResolver() {
                    public Source resolve(String href, String base) throws TransformerException {
                        throw new TransformerException("Some random error");
                    }
                };
            }
        };
        result.setLocation("XSLTResultTest4.xsl");
        try {
            result.execute(mai);
            fail("Should have thrown an exception");
        } catch (Exception ex) {
            assertEquals("Error transforming result", ex.getMessage());
        }
    }
    
    protected void setUp() throws Exception {
        super.setUp();
        request = new MockHttpServletRequest();
        response = new MockHttpServletResponse();
        servletContext = new MockServletContext();

        result = new XSLTResult();
        stack = ActionContext.getContext().getValueStack();

        MyAction action = new MyAction();

        mai = new com.opensymphony.xwork2.mock.MockActionInvocation();
        mai.setAction(action);
        mai.setStack(stack);
        mai.setInvocationContext(ActionContext.getContext());
        stack.push(action);

        ActionContext.getContext().put(ServletActionContext.HTTP_REQUEST, request);
        ActionContext.getContext().put(ServletActionContext.HTTP_RESPONSE, response);
        ActionContext.getContext().put(ServletActionContext.SERVLET_CONTEXT, servletContext);
    }

    protected void tearDown() throws Exception {
        super.tearDown();
        request = null;
        response = null;
        servletContext = null;
        result = null;
        stack = null;
        mai = null;
    }

    private class MyAction implements Action {

        public String execute() throws Exception {
            return SUCCESS;
        }

        public String getMyLocation() {
            return ("XSLTResultTest.xsl");
        }

        public String getUsername() {
            return "Santa Claus";
        }
        
        public boolean isActive() {
            return true;
        }

        public List getBooks() {
            List list = new ArrayList();
            list.add(new Book("WebWork in Action", "Patrick and Jason"));
            list.add(null);
            list.add(new Book("XWork not in Action", "Superman"));
            return list;
        }

    }

    public class Book {

        private String title;
        private String author;

        public Book(String title, String author) {
            this.title = title;
            this.author = author;
        }

        public String getTitle() {
            return title;
        }

        public String getAuthor() {
            return author;
        }
    }
}