org.pentaho.osgi.i18n.webservice.ResourceBundleMessageBodyWriterTest.java Source code

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 * Licensed under the Apache License, Version 2.0 (the "License");
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package org.pentaho.osgi.i18n.webservice;

import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
import org.junit.Test;
import org.pentaho.osgi.i18n.resource.OSGIResourceBundle;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

import javax.ws.rs.core.MediaType;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.HashMap;
import java.util.ListResourceBundle;
import java.util.Map;
import java.util.ResourceBundle;

import static org.junit.Assert.*;

/**
 * Created by bryan on 9/6/14.
 */
public class ResourceBundleMessageBodyWriterTest {
    @Test
    public void testIsWritable() {
        ResourceBundleMessageBodyWriter resourceBundleMessageBodyWriter = new ResourceBundleMessageBodyWriter();
        assertTrue(resourceBundleMessageBodyWriter.isWriteable(OSGIResourceBundle.class, null, null,
                MediaType.APPLICATION_XML_TYPE));
        assertTrue(resourceBundleMessageBodyWriter.isWriteable(OSGIResourceBundle.class, null, null,
                MediaType.APPLICATION_JSON_TYPE));
        assertFalse(resourceBundleMessageBodyWriter.isWriteable(Object.class, null, null,
                MediaType.APPLICATION_XML_TYPE));
        assertFalse(resourceBundleMessageBodyWriter.isWriteable(OSGIResourceBundle.class, null, null,
                MediaType.WILDCARD_TYPE));
    }

    @Test
    public void testGetSize() {
        assertEquals(-1, new ResourceBundleMessageBodyWriter().getSize(null, null, null, null, null));
    }

    @Test
    public void testJsonWrite() throws IOException {
        Map<String, String> props = new HashMap<String, String>();
        props.put("key1", "value1");
        props.put("key2", "value2");
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        new ResourceBundleMessageBodyWriter().writeTo(makeResourceBundle(props), ResourceBundle.class, null, null,
                MediaType.APPLICATION_JSON_TYPE, null, byteArrayOutputStream);
        JSONObject result = (JSONObject) JSONValue.parse(byteArrayOutputStream.toString());
        assertEquals(2, result.size());
        assertEquals("value1", result.get("key1"));
        assertEquals("value2", result.get("key2"));
    }

    @Test
    public void testXmlWrite() throws IOException, ParserConfigurationException, SAXException {
        Map<String, String> props = new HashMap<String, String>();
        props.put("key1", "value1");
        props.put("key2", "value2");
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        new ResourceBundleMessageBodyWriter().writeTo(makeResourceBundle(props), ResourceBundle.class, null, null,
                MediaType.APPLICATION_XML_TYPE, null, byteArrayOutputStream);
        Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(new ByteArrayInputStream(byteArrayOutputStream.toByteArray()));
        Map<String, String> result = documentToPropMap(doc);
        assertEquals(2, result.size());
        assertEquals("value1", result.get("key1"));
        assertEquals("value2", result.get("key2"));
    }

    public ResourceBundle makeResourceBundle(final Map<String, String> map) {
        return new ListResourceBundle() {
            @Override
            protected Object[][] getContents() {
                Object[][] result = new Object[map.size()][];
                int index = 0;
                for (Map.Entry<String, String> entry : map.entrySet()) {
                    Object[] entryObj = new Object[2];
                    entryObj[0] = entry.getKey();
                    entryObj[1] = entry.getValue();
                    result[index++] = entryObj;
                }
                return result;
            }
        };
    }

    public Map<String, String> documentToPropMap(Document document) {
        Map<String, String> result = new HashMap<String, String>();
        NodeList propertiesNodes = document.getElementsByTagName("property");
        for (int i = 0; i < propertiesNodes.getLength(); i++) {
            NodeList propertyNodeList = propertiesNodes.item(i).getChildNodes();
            String key = null;
            String value = null;
            for (int o = 0; o < propertyNodeList.getLength(); o++) {
                Node node = propertyNodeList.item(o);
                if ("key".equals(node.getNodeName())) {
                    key = node.getTextContent();
                } else if ("value".equals(node.getNodeName())) {
                    value = node.getTextContent();
                }
            }
            result.put(key, value);
        }
        return result;
    }
}