MultipartWebAppTest.java

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package com.sun.jersey.samples.multipart;

import java.io.File;
import java.util.Iterator;

import javax.ws.rs.core.MediaType;

import javax.xml.XMLConstants;
import javax.xml.namespace.NamespaceContext;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathFactory;

import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.core.header.FormDataContentDisposition;
import com.sun.jersey.core.util.SaxHelper;
import com.sun.jersey.multipart.FormDataBodyPart;
import com.sun.jersey.multipart.FormDataMultiPart;
import com.sun.jersey.samples.multipart.resources.Bean;
import com.sun.jersey.test.framework.JerseyTest;
import com.sun.jersey.test.framework.WebAppDescriptor;

import org.junit.Assert;
import org.junit.Test;
import org.w3c.dom.Document;

/**
 *
 * @author Naresh
 * @author Michal Gajdos (michal.gajdos at oracle.com)
 */
public class MultipartWebAppTest extends JerseyTest {


    public MultipartWebAppTest() throws Exception {
        super(new WebAppDescriptor.Builder("com.sun.jersey.samples.multipart.resources")
                .contextPath("multipart-webapp").build());
    }

    @Test public void testApplicationWadl() throws Exception {
        WebResource webResource = resource().path("application.wadl");

        File tmpFile = webResource.get(File.class);
        DocumentBuilderFactory bf = DocumentBuilderFactory.newInstance();
        bf.setNamespaceAware(true);
        bf.setValidating(false);
        if (!SaxHelper.isXdkDocumentBuilderFactory(bf)) {
            bf.setXIncludeAware(false);
        }
        DocumentBuilder b = bf.newDocumentBuilder();
        Document d = b.parse(tmpFile);

        XPath xp = XPathFactory.newInstance().newXPath();
        xp.setNamespaceContext(new NSResolver("wadl", "http://wadl.dev.java.net/2009/02"));
        // check base URI
        String val = (String)xp.evaluate("//wadl:resource[@path='part']/wadl:method/wadl:request/wadl:representation/@mediaType", d, XPathConstants.STRING);
        Assert.assertEquals(val, "multipart/form-data");
    }

    @Test
    public void testPart() {
        WebResource webResource = resource().path("form/part");

        FormDataMultiPart mp = new FormDataMultiPart();
        FormDataBodyPart p = new FormDataBodyPart(FormDataContentDisposition.name("part").build(), "CONTENT");
        mp.bodyPart(p);

        String s = webResource.type(MediaType.MULTIPART_FORM_DATA_TYPE).post(String.class, mp);
        Assert.assertEquals("CONTENT", s);
    }

    @Test
    public void testPartWithFileName() {
        WebResource webResource = resource().path("form/part-file-name");

        FormDataMultiPart mp = new FormDataMultiPart();
        FormDataBodyPart p = new FormDataBodyPart(FormDataContentDisposition.name("part").fileName("file").build(), "CONTENT");
        mp.bodyPart(p);

        String s = webResource.type(MediaType.MULTIPART_FORM_DATA_TYPE).post(String.class, mp);
        Assert.assertEquals("CONTENT:file", s);
    }

    @Test
    public void testXmlJAXBPart() {
        WebResource webResource = resource().path("form/xml-jaxb-part");

        FormDataMultiPart mp = new FormDataMultiPart();
        mp.bodyPart(new FormDataBodyPart(FormDataContentDisposition.name("bean").fileName("bean").build(),
                new Bean("BEAN"),
                MediaType.APPLICATION_XML_TYPE));
        mp.bodyPart(new FormDataBodyPart(FormDataContentDisposition.name("string").fileName("string").build(),
                "STRING"));

        String s = webResource.type(MediaType.MULTIPART_FORM_DATA_TYPE).post(String.class, mp);
        Assert.assertEquals("STRING:string,BEAN:bean", s);
    }


    class NSResolver implements NamespaceContext {
        private String prefix;
        private String nsURI;

        public NSResolver(String prefix, String nsURI) {
            this.prefix = prefix;
            this.nsURI = nsURI;
        }

        @Override
        public String getNamespaceURI(String prefix) {
            if (prefix.equals(this.prefix)) {
                return this.nsURI;
            } else {
                return XMLConstants.NULL_NS_URI;
            }
        }

        @Override
        public String getPrefix(String namespaceURI) {
            if (namespaceURI.equals(this.nsURI)) {
                return this.prefix;
            } else {
                return null;
            }
        }

        @Override
        public Iterator getPrefixes(String namespaceURI) {
            return null;
        }
    }
}