java.beans.PropertyEditorSupport#org.dom4j.io.SAXReader源码实例Demo

public static Document getDocument(Reader reader) throws DocumentException, IOException {
    SAXReader saxReader = new SAXReader();

    Document document = null;
    try {
        document = saxReader.read(reader);
    } catch (DocumentException e) {
        throw e;
    } finally {
        if (reader != null) {
            reader.close();
        }
    }

    return document;
}
 

/**
 * 解析xml
 */
@SuppressWarnings("unchecked")
public static Map<String, String> parseXml(InputStream inputStream) throws Exception {

    Map<String, String> map = Maps.newHashMap();
    SAXReader reader = new SAXReader();
    Document document = reader.read(inputStream);
    //得到xml根元素
    Element root = document.getRootElement();
    //得到根元素的所有子节点
    List<Element> elementList = root.elements();
    //遍历所有子节点
    for (Element e : elementList) {
        map.put(e.getName(), e.getText());
    }
    //关闭流
    inputStream.close();

    return map;
}
 

/**
    * 用于防钓鱼，调用接口query_timestamp来获取时间戳的处理函数
    * 注意：远程解析XML出错，与服务器是否支持SSL等配置有关
    * @return 时间戳字符串
    * @throws Exception 
    * @throws UnsupportedEncodingException 
    * @throws IOException
    * @throws DocumentException
    * @throws MalformedURLException
    */
public static Map<String,String> parseRespose(String reponse) throws Exception {
	Map<String,String> respMap = new HashMap<String,String>();
	
	try {
		SAXReader reader = new SAXReader();
		Document doc = reader.read(new ByteArrayInputStream(reponse.getBytes("GBK")));
		Node isSuccessNode = doc.selectSingleNode("//alipay/is_success");
		if (isSuccessNode.getText().equals("T")) {
		    // 判断是否有成功标示
		    Node tradeStatusNode = doc.selectSingleNode("//response/trade/trade_status");
		    respMap.put("trade_status", tradeStatusNode.getText());
		}
		respMap.put("is_success", isSuccessNode.getText());
	} catch (Exception e) {
		LOG.error(e.getMessage(),reponse);
	}
	
	return respMap;
   }
 

@Test
public void collectionOfPetsAsStringNotSelected() throws Exception {
	this.tag.setPath("pets");
	this.tag.setValue("Santa's Little Helper");

	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element checkboxElement = (Element) document.getRootElement().elements().get(0);
	assertEquals("input", checkboxElement.getName());
	assertEquals("checkbox", checkboxElement.attribute("type").getValue());
	assertEquals("pets", checkboxElement.attribute("name").getValue());
	assertNull(checkboxElement.attribute("checked"));
}
 

@Test
public void withSingleValueNull() throws Exception {
	this.bean.setName(null);
	this.tag.setPath("name");
	this.tag.setValue("Rob Harrop");
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element checkboxElement = (Element) document.getRootElement().elements().get(0);
	assertEquals("input", checkboxElement.getName());
	assertEquals("checkbox", checkboxElement.attribute("type").getValue());
	assertEquals("name", checkboxElement.attribute("name").getValue());
	assertNull(checkboxElement.attribute("checked"));
	assertEquals("Rob Harrop", checkboxElement.attribute("value").getValue());
}
 

/**
 * Returns the value of an element selected via an xpath expression from
 * a component's component.xml file.
 *
 * @param component the component.
 * @param xpath the xpath expression.
 * @return the value of the element selected by the xpath expression.
 */
private String getElementValue(Component component, String xpath) {
    File componentDir = componentDirs.get(component);
    if (componentDir == null) {
        return null;
    }
    try {
        File componentConfig = new File(componentDir, "component.xml");
        if (componentConfig.exists()) {
            SAXReader saxReader = new SAXReader();
            Document componentXML = saxReader.read(componentConfig);
            Element element = (Element)componentXML.selectSingleNode(xpath);
            if (element != null) {
                return element.getTextTrim();
            }
        }
    }
    catch (Exception e) {
        manager.getLog().error(e);
    }
    return null;
}
 

@Test
public void withSingleValueBooleanObjectChecked() throws Exception {
	this.tag.setPath("someBoolean");
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);
	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element rootElement = document.getRootElement();
	assertEquals("Both tag and hidden element not rendered", 2, rootElement.elements().size());
	Element checkboxElement = (Element) rootElement.elements().get(0);
	assertEquals("input", checkboxElement.getName());
	assertEquals("checkbox", checkboxElement.attribute("type").getValue());
	assertEquals("someBoolean1", checkboxElement.attribute("id").getValue());
	assertEquals("someBoolean", checkboxElement.attribute("name").getValue());
	assertEquals("checked", checkboxElement.attribute("checked").getValue());
	assertEquals("true", checkboxElement.attribute("value").getValue());
}
 

@Test
public void collectionOfPets() throws Exception {
	this.tag.setPath("pets");
	this.tag.setValue(new Pet("Rudiger"));

	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element checkboxElement = (Element) document.getRootElement().elements().get(0);
	assertEquals("input", checkboxElement.getName());
	assertEquals("checkbox", checkboxElement.attribute("type").getValue());
	assertEquals("pets", checkboxElement.attribute("name").getValue());
	assertEquals("Rudiger", checkboxElement.attribute("value").getValue());
	assertEquals("checked", checkboxElement.attribute("checked").getValue());
}
 

@Test
public void collectionOfPetsAsStringNotSelected() throws Exception {
	this.tag.setPath("pets");
	this.tag.setValue("Santa's Little Helper");

	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element checkboxElement = (Element) document.getRootElement().elements().get(0);
	assertEquals("input", checkboxElement.getName());
	assertEquals("checkbox", checkboxElement.attribute("type").getValue());
	assertEquals("pets", checkboxElement.attribute("name").getValue());
	assertNull(checkboxElement.attribute("checked"));
}
 

@Test
public void withoutItems() throws Exception {
	this.tag.setItemValue("isoCode");
	this.tag.setItemLabel("name");
	this.selectTag.setPath("testBean");

	this.selectTag.doStartTag();
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);
	this.tag.doEndTag();
	this.selectTag.doEndTag();

	String output = getOutput();
	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element rootElement = document.getRootElement();

	List children = rootElement.elements();
	assertEquals("Incorrect number of children", 0, children.size());
}
 

private static Document creXmlDoc(String xmlStr) {
	if (Strings.empty(xmlStr)) {
		throw new RuntimeException("参数不能为空");
	}
	SAXReader saxReader = new SAXReader();
	Document document = null;
	try {
		document = saxReader.read(new ByteArrayInputStream(xmlStr.getBytes("UTF-8")));
		Element rootElement = document.getRootElement();
		String getXMLEncoding = document.getXMLEncoding();
		String rootname = rootElement.getName();
		System.out.println("getXMLEncoding>>>" + getXMLEncoding + ",rootname>>>" + rootname);
		OutputFormat format = OutputFormat.createPrettyPrint();
		/** 指定XML字符集编码 */
		format.setEncoding("UTF-8");
		Logger.info(xmlStr);
	} catch (Exception e) {
		e.printStackTrace();
	}
	return document;
}
 

/**
 * timeLength, fileSize, urls
 *
 * @param epReqApi
 * @throws IOException
 * @throws DocumentException
 */
private void parseEpApiResponse(String epReqApi) throws IOException, DocumentException {
    String response = HttpUtil.getResponseContent(epReqApi);

    SAXReader reader = new SAXReader();
    org.dom4j.Element rootElement = reader.read(new ByteArrayInputStream(response.getBytes("utf-8"))).getRootElement();

    timeLength = Integer.parseInt(rootElement.element("timelength").getText().trim());

    List<org.dom4j.Element> elements = rootElement.elements("durl");

    for (org.dom4j.Element ele : elements) {
        int curSize = Integer.parseInt(ele.element("size").getText());
        fileSize += curSize;

        String url = ele.element("url").getText();
        urls.add(url);
    }

    println(fileName + ": " + fileSize / 1024 / 1024 + "M");
}
 

@Test
public void withoutItemsEnumBindTarget() throws Exception {
	BeanWithEnum testBean = new BeanWithEnum();
	testBean.setTestEnum(TestEnum.VALUE_2);
	getPageContext().getRequest().setAttribute("testBean", testBean);

	this.tag.setPath("testEnum");
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = "<div>" + getOutput() + "</div>";
	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element rootElement = document.getRootElement();

	assertEquals(2, rootElement.elements().size());
	Node value1 = rootElement.selectSingleNode("//input[@value = 'VALUE_1']");
	Node value2 = rootElement.selectSingleNode("//input[@value = 'VALUE_2']");
	assertEquals("TestEnum: VALUE_1", rootElement.selectSingleNode("//label[@for = '" + value1.valueOf("@id") + "']").getText());
	assertEquals("TestEnum: VALUE_2", rootElement.selectSingleNode("//label[@for = '" + value2.valueOf("@id") + "']").getText());
	assertEquals(value2, rootElement.selectSingleNode("//input[@checked]"));
}
 

@Test
public void withoutItemsEnumBindTargetWithExplicitLabelsAndValues() throws Exception {
	BeanWithEnum testBean = new BeanWithEnum();
	testBean.setTestEnum(TestEnum.VALUE_2);
	getPageContext().getRequest().setAttribute("testBean", testBean);

	this.tag.setPath("testEnum");
	this.tag.setItemLabel("enumLabel");
	this.tag.setItemValue("enumValue");
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = "<div>" + getOutput() + "</div>";
	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element rootElement = document.getRootElement();

	assertEquals(2, rootElement.elements().size());
	Node value1 = rootElement.selectSingleNode("//input[@value = 'Value: VALUE_1']");
	Node value2 = rootElement.selectSingleNode("//input[@value = 'Value: VALUE_2']");
	assertEquals("Label: VALUE_1", rootElement.selectSingleNode("//label[@for = '" + value1.valueOf("@id") + "']").getText());
	assertEquals("Label: VALUE_2", rootElement.selectSingleNode("//label[@for = '" + value2.valueOf("@id") + "']").getText());
	assertEquals(value2, rootElement.selectSingleNode("//input[@checked]"));
}
 

@Test
public void hiddenElementOmittedOnDisabled() throws Exception {
	this.tag.setPath("stringArray");
	this.tag.setItems(new Object[] {"foo", "bar", "baz"});
	this.tag.setDisabled(true);
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);
	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element rootElement = document.getRootElement();
	assertEquals("Both tag and hidden element rendered incorrectly", 3, rootElement.elements().size());
	Element spanElement = (Element) document.getRootElement().elements().get(0);
	Element radioButtonElement = (Element) spanElement.elements().get(0);
	assertEquals("input", radioButtonElement.getName());
	assertEquals("radio", radioButtonElement.attribute("type").getValue());
	assertEquals("stringArray", radioButtonElement.attribute("name").getValue());
	assertEquals("checked", radioButtonElement.attribute("checked").getValue());
	assertEquals("disabled", radioButtonElement.attribute("disabled").getValue());
	assertEquals("foo", radioButtonElement.attribute("value").getValue());
}
 

@Test
public void spanElementCustomizable() throws Exception {
	this.tag.setPath("stringArray");
	this.tag.setItems(new Object[] {"foo", "bar", "baz"});
	this.tag.setElement("element");
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);
	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element spanElement = (Element) document.getRootElement().elements().get(0);
	assertEquals("element", spanElement.getName());
}
 

protected Document receiveResponse() throws IOException, DocumentException {
    try {
        SessionImplementor session = (SessionImplementor)new _RootDAO().getSession();
        Connection connection = session.getJdbcConnectionAccess().obtainConnection();
        String response = null;
        try {
            CallableStatement call = connection.prepareCall(iResponseSql);
            call.registerOutParameter(1, java.sql.Types.CLOB);
            call.execute();
            response = call.getString(1);
            call.close();
        } finally {
        	session.getJdbcConnectionAccess().releaseConnection(connection);
        }
        if (response==null || response.length()==0) return null;
        StringReader reader = new StringReader(response);
        Document document = (new SAXReader()).read(reader);
        reader.close();
        return document;
    } catch (Exception e) {
        sLog.error("Unable to receive response: "+e.getMessage(),e);
        return null;
    } finally {
        _RootDAO.closeCurrentThreadSessions();
    }
}
 

public static DOM4JSettingsNode readSettingsFile(ImportInteraction importInteraction, FileFilter fileFilter) {
    File file = importInteraction.promptForFile(fileFilter);
    if (file == null) {
        return null;
    }

    if (!file.exists()) {
        importInteraction.reportError("File does not exist: " + file.getAbsolutePath());
        return null;  //we should really sit in a loop until they cancel or give us a valid file.
    }

    try {
        SAXReader reader = new SAXReader();
        Document document = reader.read(file);

        return new DOM4JSettingsNode(document.getRootElement());
    } catch (Throwable t) {
        LOGGER.error("Unable to read file: " + file.getAbsolutePath(), t);
        importInteraction.reportError("Unable to read file: " + file.getAbsolutePath());
        return null;
    }
}
 

public Document load(String filename) {
    Document document = null;
    Reader xmlReader = null;
    InputStream stream = null;
    try {
        SAXReader saxReader = new SAXReader();
        stream = getClass().getClassLoader().getResourceAsStream(filename);
        xmlReader = new InputStreamReader(stream, "UTF-8");
        document = saxReader.read(xmlReader);
    }
    catch (Exception ex) {
        _logger.error(String.format("the filename of document is %s, error [%s]" , filename
                ,ex.getMessage()));
        document = DocumentHelper.createDocument();
        document.addElement("ROOT");
    } finally {
        closeStream(xmlReader);
        closeStream(stream);
    }
    return document;
}
 

@Test
public void hiddenElementOmittedOnDisabled() throws Exception {
	this.tag.setPath("stringArray");
	this.tag.setItems(new Object[] {"foo", "bar", "baz"});
	this.tag.setDisabled(true);
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);
	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element rootElement = document.getRootElement();
	assertEquals("Both tag and hidden element rendered incorrectly", 3, rootElement.elements().size());
	Element spanElement = (Element) document.getRootElement().elements().get(0);
	Element checkboxElement = (Element) spanElement.elements().get(0);
	assertEquals("input", checkboxElement.getName());
	assertEquals("checkbox", checkboxElement.attribute("type").getValue());
	assertEquals("stringArray", checkboxElement.attribute("name").getValue());
	assertEquals("checked", checkboxElement.attribute("checked").getValue());
	assertEquals("disabled", checkboxElement.attribute("disabled").getValue());
	assertEquals("foo", checkboxElement.attribute("value").getValue());
}
 

@Test
public void multipleExplicitlyFalse() throws Exception {
	this.tag.setPath("name");
	this.tag.setItems(Country.getCountries());
	this.tag.setItemValue("isoCode");
	this.tag.setMultiple("false");
	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = getOutput();
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element rootElement = document.getRootElement();
	assertEquals(1, rootElement.elements().size());

	Element selectElement = rootElement.element("select");
	assertEquals("select", selectElement.getName());
	assertEquals("name", selectElement.attribute("name").getValue());
	assertNull(selectElement.attribute("multiple"));

	List children = selectElement.elements();
	assertEquals("Incorrect number of children", 4, children.size());
}
 

@Test
public void collectionOfPetsAsString() throws Exception {
	this.tag.setPath("pets");
	this.tag.setValue("Spot");

	int result = this.tag.doStartTag();
	assertEquals(Tag.SKIP_BODY, result);

	String output = getOutput();

	// wrap the output so it is valid XML
	output = "<doc>" + output + "</doc>";

	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	Element checkboxElement = (Element) document.getRootElement().elements().get(0);
	assertEquals("input", checkboxElement.getName());
	assertEquals("checkbox", checkboxElement.attribute("type").getValue());
	assertEquals("pets", checkboxElement.attribute("name").getValue());
	assertEquals("checked", checkboxElement.attribute("checked").getValue());
}
 

public static DOM4JSettingsNode readSettingsFile(ImportInteraction importInteraction, FileFilter fileFilter) {
    File file = importInteraction.promptForFile(fileFilter);
    if (file == null) {
        return null;
    }

    if (!file.exists()) {
        importInteraction.reportError("File does not exist: " + file.getAbsolutePath());
        return null;  //we should really sit in a loop until they cancel or give us a valid file.
    }

    try {
        SAXReader reader = new SAXReader();
        Document document = reader.read(file);

        return new DOM4JSettingsNode(document.getRootElement());
    } catch (Throwable t) {
        LOGGER.error("Unable to read file: " + file.getAbsolutePath(), t);
        importInteraction.reportError("Unable to read file: " + file.getAbsolutePath());
        return null;
    }
}
 

public void init(FilterConfig cfg) throws ServletException {
	iContext = cfg.getServletContext();
	try {
		Document config = (new SAXReader()).read(cfg.getServletContext().getResource(cfg.getInitParameter("config")));
		for (Iterator i=config.getRootElement().element("action-mappings").elementIterator("action"); i.hasNext();) {
			Element action = (Element)i.next();
			String path = action.attributeValue("path");
			String input = action.attributeValue("input");
			if (path!=null && input!=null) {
				iPath2Tile.put(path+".do", input);
			}
		}
	} catch (Exception e) {
		sLog.error("Unable to read config "+cfg.getInitParameter("config")+", reason: "+e.getMessage());
	}
	if (cfg.getInitParameter("debug-time")!=null) {
		debugTime = Long.parseLong(cfg.getInitParameter("debug-time"));
	}
	if (cfg.getInitParameter("dump-time")!=null) {
		dumpTime = Long.parseLong(cfg.getInitParameter("dump-time"));
	}
	if (cfg.getInitParameter("session-attributes")!=null) {
		dumpSessionAttribues = Boolean.parseBoolean(cfg.getInitParameter("session-attributes"));
	}
}
 

/**
 * Builds the document XML model up based the given reader of XML data.
 * @param in the input stream used to build the xml document
 * @throws java.io.IOException thrown when an error occurs reading the input stream.
 */
private void buildDoc(Reader in) throws IOException {
    try {
        SAXReader xmlReader = new SAXReader();
        xmlReader.setEncoding("UTF-8");
        document = xmlReader.read(in);
        buildNowVersion();
    }
    catch (Exception e) {
        Log.error("Error reading XML properties", e);
        throw new IOException(e.getMessage());
    }
    finally {
        if (in != null) {
            in.close();
        }
    }
}
 

/**
 * 构造函数
 * @param context
 * @param templatePath  模板路径
 */
public TemplateCommentGenerator(Context context, String templatePath) {
    try {
        Document doc = null;
        File file = new File(templatePath);
        if (file.exists()) {
            doc = new SAXReader().read(file);
        } else {
            logger.error("没有找到对应注释模板:" + templatePath);
        }

        // 遍历comment 节点
        if (doc != null) {
            for (EnumNode node : EnumNode.values()) {
                Element element = doc.getRootElement().elementByID(node.value());
                if (element != null) {
                    Configuration cfg = new Configuration(Configuration.VERSION_2_3_26);
                    // 字符串清理
                    Template template = new Template(node.value(), element.getText(), cfg);
                    templates.put(node, template);
                }
            }
        }

        // 解析mybatis generator 注释配置
        CommentGeneratorConfiguration config = context.getCommentGeneratorConfiguration();
        if (config != null) {
            this.addConfigurationProperties(config.getProperties());
        }
    } catch (Exception e) {
        logger.error("注释模板XML解析失败！", e);
    }
}
 

@SuppressWarnings("rawtypes")
private void assertHtmlOutput(String output) throws Exception {
	SAXReader reader = new SAXReader();
	Document document = reader.read(new StringReader(output));
	List nodes = document.getRootElement().selectNodes("/html/body/table/tr");

	Element tr1 = (Element) nodes.get(0);
	assertRowElement(tr1, "1", "Whatsit", "12.99");
	Element tr2 = (Element) nodes.get(1);
	assertRowElement(tr2, "2", "Thingy", "13.99");
	Element tr3 = (Element) nodes.get(2);
	assertRowElement(tr3, "3", "Gizmo", "14.99");
	Element tr4 = (Element) nodes.get(3);
	assertRowElement(tr4, "4", "Cranktoggle", "11.99");
}
 

/**
 * <p>
 * 解析合并请求xml数据流
 * </p>
 *
 * @param request
 */
private Document parseRequestXML(HttpServletRequest request) {
	ServletInputStream is = null;
	SAXReader saxReader = new SAXReader();
	try {
		is = request.getInputStream();
		return saxReader.read(is);
		
	} catch (Exception e) {
		throw new BusinessException("解析合并请求的xml数据流失败", e);
	} finally {
		FileHelper.closeSteam(is, null);
	}
}
 

@Override
public Document getRequest(Type requestType) throws IOException {
	Reader reader = iRequest.getReader();
	try {
		return new SAXReader().read(reader);
	} catch (DocumentException e) {
		throw new IOException(e.getMessage(), e);
	} finally {
		reader.close();
	}
}
 

public void deployViews(Reader xml) {
    lock.readLock().lock();
    try {
        checkInitialized();
    } finally {
        lock.readLock().unlock();
    }

    SAXReader reader = new SAXReader();
    Document doc;
    try {
        doc = reader.read(xml);
    } catch (DocumentException e) {
        throw new RuntimeException("Unable to read views xml", e);
    }
    Element rootElem = doc.getRootElement();

    for (Element includeElem : Dom4j.elements(rootElem, "include")) {
        String file = includeElem.attributeValue("file");
        if (!StringUtils.isBlank(file))
            deployViews(file);
    }

    for (Element viewElem : Dom4j.elements(rootElem, "view")) {
        deployView(rootElem, viewElem);
    }
}