{"id":884,"date":"2016-10-23T16:31:11","date_gmt":"2016-10-23T08:31:11","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=884"},"modified":"2016-10-23T16:31:11","modified_gmt":"2016-10-23T08:31:11","slug":"spring%e5%8f%af%e6%89%a9%e5%b1%95%e7%9a%84xml-schema%e7%9a%84%e8%87%aa%e5%ae%9a%e4%b9%89%e6%a0%87%e7%ad%be%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=884","title":{"rendered":"Spring\u53ef\u6269\u5c55\u7684XML Schema\u7684\u81ea\u5b9a\u4e49\u6807\u7b7e\u8be6\u89e3"},"content":{"rendered":"

\n\t\u6709\u4e00\u4e9b\u57fa\u4e8eSpring\u7684\u6846\u67b6\u901a\u5e38\u4f1a\u63d0\u4f9b\u4ed6\u4eec\u81ea\u5df1\u7279\u6709\u7684\u4e00\u4e9b\u914d\u7f6e\u65b9\u5f0f\uff0c
\n\t\u6700\u5e38\u89c1\u7684\u83ab\u8fc7\u4e8e\u57fa\u4e8eSpring\u7684XML\u6269\u5c55\u65b9\u5f0f\uff0c \u5b9a\u4e49\u4e00\u5957\u81ea\u5df1\u98ce\u683c\u7684bean\u5b9a\u4e49\u8bed\u6cd5\uff0c
\n\t\u6765\u8ba9\u4e00\u4e9b\u914d\u7f6e\u4e0e\u6846\u67b6\u7684\u8bed\u4e49\u66f4\u52a0\u7684\u8d34\u8fd1\u3002 \u6bd4\u5982\u8bf4\uff0c\u4e0b\u9762\u7684\u8fd9\u6837\u7684\u914d\u7f6e\uff1a\n<\/p>\n

\r\n<dubbo:service id="memberService" ref="memberService.local" \r\n      version="${dubbo.memberService.version}" \r\n       interface="com.xxxx.morgan.member.MemberService" \/><\/pre>\n
\n\t\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u7528\u6765\u8bb0\u5f55\u4e00\u4e0b\uff0c\u5982\u4f55\u57fa\u4e8eSpring\u6765\u6269\u5c55\u81ea\u5df1\u60f3\u8981\u7684\u8bed\u4e49\u6807\u7b7e\u3002\n<\/p>\n
\n\t\u4eceSpring2.0\u5f00\u59cb\uff0cSpring\u63d0\u4f9b\u4e86XML Schema\u53ef\u6269\u5c55\u673a\u5236\uff0c\u7528\u6237\u53ef\u4ee5\u81ea\u5b9a\u4e49XML Schema\u6587\u4ef6\uff0c\u5e76\u81ea\u5b9a\u4e49XML Bean\u89e3\u6790\u5668\uff0c\u5e76\u96c6\u6210\u5230Spring Ioc \u5bb9\u5668\u4e2d\u3002\n<\/p>\n
\n\t\u5b8c\u6210XML\u81ea\u5b9a\u4e49\u6269\u5c55\uff0c\u9700\u8981\u4e0b\u9762\u51e0\u4e2a\u6b65\u9aa4
\n<\/h2>\n
\n\t\"Spring\u81ea\u5b9a\u4e49\u6807\u7b7e\u5b9e\u73b0\u6b65\u9aa4\"\n<\/p>\n
    \n
  1. \n\t\t\u521b\u5efa\u4e00\u4e2a XML Schema \u6587\u4ef6\uff0c\u63cf\u8ff0\u81ea\u5b9a\u4e49\u7684\u5408\u6cd5\u6784\u5efa\u6a21\u5757\uff0c\u4e5f\u5c31\u662fxsd\u6587\u4ef6\n\t<\/li>\n
  2. \n\t\t\u81ea\u5b9a\u4e49\u4e2a\u5904\u7406\u5668\u7c7b\uff0c\u5e76\u5b9e\u73b0NamespaceHandler\u63a5\u53e3(\u6bd4\u8f83\u5bb9\u6613)\n\t<\/li>\n
  3. \n\t\t\u81ea\u5b9a\u4e49\u4e00\u4e2a\u6216\u591a\u4e2a\u89e3\u6790\u5668\uff0c\u5b9e\u73b0BeanDefinitionParser\u63a5\u53e3(\u6700\u5173\u952e\u7684\u90e8\u5206)\n\t<\/li>\n
  4. \n\t\t\u6ce8\u518c\u4e0a\u9762\u7684\u7ec4\u4ef6\u5230Spring IOC\u5bb9\u5668\u4e2d\n\t<\/li>\n<\/ol>\n
    \n\t\u8fd9\u91cc\u7528\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u6765\u8bf4\u660e\u4e0b\u6574\u4e2a\u6b65\u9aa4\uff1a
    \n\t\u6211\u4eec\u9700\u8981\u5b8c\u6210\u4e00\u4e2a\u8fd9\u6837\u7684\u6807\u7b7e\u5b9a\u4e49\uff1a\n<\/p>\n
    \r\n<calculator:calculator id="cal" operator="add" number2="234" number1="40.5" \/> <\/pre>\n
    \n\t\u6700\u7ec8\u6211\u4eec\u9700\u8981\u901a\u8fc7\u5982\u4e0b\u8c03\u7528\uff0c\u8fbe\u5230\u8f93\u51fa\u7684\u76ee\u7684\uff1a\n<\/p>\n
    \r\nCalculator ca=(Calculator)ctx.getBean("cal"); \r\nSystem.out.println(ca.getOperator()+"-"+ca.getResult());<\/pre>\n
    \n\t\u6700\u7ec8\u8f93\u51fa\uff1a add-274.5\n<\/p>\n
    \n\t\u81ea\u5b9a\u4e49 XML Schema \u6587\u4ef6
    \n<\/h2>\n
    \n\txsd\u63cf\u8ff0\u6587\u4ef6\n<\/p>\n
    \r\n<?xml version="1.0" encoding="UTF-8"?>\r\n<xsd:schema xmlns="http:\/\/ivanzhangwb.com\/custom\/schema\/calculator"\r\nxmlns:xsd="http:\/\/www.w3.org\/2001\/XMLSchema" xmlns:beans="http:\/\/www.springframework.org\/schema\/beans"\r\ntargetNamespace="http:\/\/xttblog.com\/custom\/schema\/calculator"\r\nelementFormDefault="qualified" attributeFormDefault="unqualified">\r\n    <xsd:import namespace="http:\/\/www.springframework.org\/schema\/beans" \/>\r\n    <xsd:element name="calculator">\r\n    <xsd:complexType>\r\n        <xsd:complexContent>\r\n            <xsd:extension base="beans:identifiedType">\r\n                <xsd:attribute name="number1" type="xsd:decimal" \/>\r\n                <xsd:attribute name="number2" type="xsd:decimal" \/>\r\n                <xsd:attribute name="operator" type="xsd:string" \/>\r\n            <\/xsd:extension>\r\n        <\/xsd:complexContent>\r\n    <\/xsd:complexType>\r\n    <\/xsd:element>\r\n<\/xsd:schema><\/pre>\n
    \n\t\u5176\u4e2d\u81ea\u5b9a\u4e49\u7684\u547d\u540d\u7a7a\u95f4\u662fhttp:\/\/xttblog.com\/custom\/schema\/calculator\uff0c\u5b9a\u4e49\u4e86calculator\u5143\u7d20\uff0c\u5c5e\u6027\u6709number1,number2,operator\n<\/p>\n
    \n\t\u5b9e\u73b0 NamespaceHandlerSupport \u63a5\u53e3\uff0c\u5b9a\u4e49\u89e3\u6790\u884c\u4e3a
    \n<\/h2>\n
    \r\npublic class CalculatorNameSpaceSupport extends NamespaceHandlerSupport {\r\n    public void init() {\r\n        registerBeanDefinitionParser("calculator",new CalculatorBeanDefinitorParse());\r\n    }\r\n}\r\n<\/pre>\n
    \n\t\u5b9e\u73b0 AbstractSingleBeanDefinitionParser \u63a5\u53e3
    \n<\/h2>\n
    \r\npublic class CalculatorBeanDefinitorParse extends AbstractSingleBeanDefinitionParser {\r\n\r\n@Override\r\nprotected Class getBeanClass(Element element) {\r\n    return Calculator.class;\r\n}\r\n\r\n@Override\r\nprotected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {\r\n    String operator = element.getAttribute("operator");\r\n    Assert.notNull(operator, "operaotr is required.");\r\n    if (StringUtils.hasText(operator)) {\r\n        builder.addPropertyValue("operator", operator);\r\n        if ("add".equalsIgnoreCase(operator)) {\r\n            processAdd(element, builder);\r\n        } else if ("minus".equalsIgnoreCase(operator)) {\r\n            processMinus(element, builder);\r\n        } else {\r\n            throw new UnsupportedOperationException("UnSupport Operaotr");\r\n        }\r\n    }\r\n}\r\n\r\nprivate void processAdd(Element element, BeanDefinitionBuilder builder) {\r\n    try {\r\n    builder.addPropertyValue("result",new BigDecimal((String) assertAttributeNotNull(element, "number1"))\r\n           .add(new BigDecimal((String) assertAttributeNotNull(element,"number2"))));\r\n\r\n    } catch (Exception e) {\r\n        throw new IllegalArgumentException("Number1\/Number2 Must be Number.");\r\n    }\r\n}\r\n\r\nprivate Object assertAttributeNotNull(Element element, String attributeName) {\r\n    String attribute = element.getAttribute(attributeName);\r\n    return StringUtils.hasText(attribute) ? StringUtils.trimWhitespace(attribute) : "";\r\n}\r\n\r\nprivate void processMinus(Element element, BeanDefinitionBuilder builder) {\r\n    try {\r\n        builder.addPropertyValue("result",\r\n        new BigDecimal((String) assertAttributeNotNull(element, "number1")).divide(new BigDecimal(\r\n        (String) assertAttributeNotNull(element,\r\n        "number2"))));\r\n    } catch (Exception e) {\r\n        throw new IllegalArgumentException("Number1\/Number2 Must be Number.");\r\n    }\r\n}\r\n\r\n}<\/pre>\n
    \n\t\u6ce8\u518c handler \u548c schema
    \n<\/h2>\n
    \n\t\u4e3a\u4e86\u8ba9Spring\u5728\u89e3\u6790xml\u7684\u65f6\u5019\u80fd\u591f\u611f\u77e5\u5230\u6211\u4eec\u7684\u81ea\u5b9a\u4e49\u5143\u7d20\uff0c\u6211\u4eec\u9700\u8981\u628anamespaceHandler\u548cxsd\u6587\u4ef6\u653e\u52302\u4e2a\u6307\u5b9a\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u8fd92\u4e2a\u6587\u4ef6\u90fd\u4f4d\u4e8eMETA-INF\u76ee\u5f55\u4e2d\n<\/p>\n
    \n\t\u6587\u4ef6: spring.handlers\n<\/p>\n
    \r\nhttp\\:\/\/xttblog.com\/custom\/schema\/calculator=com.ivanzhangwb.calculator.parse.CalculatorNameSpaceSupport<\/pre>\n
    \n\t\u6587\u4ef6\uff1aspring.schemas\n<\/p>\n
    \r\nhttp\\:\/\/ivanzhangwb.com\/custom\/schema\/calculator.xsd=META-INF\/calculator.xsd<\/pre>\n
    \n\t\u914d\u7f6e\u5b8c\u6210\u4e4b\u540e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728spring\u914d\u7f6e\u6587\u4ef6\u4e2d\u4f7f\u7528\u6211\u4eec\u81ea\u5b9a\u4e49\u7684\u6807\u7b7e\u4e86\u3002\n<\/p>\n
    \n\tSpring \u914d\u7f6e\u6587\u4ef6\u5f15\u7528\u81ea\u5b9a\u4e49\u6807\u7b7e
    \n<\/h2>\n
    \r\n<beans xmlns="http:\/\/www.springframework.org\/schema\/beans"\r\n        xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"\r\n        xmlns:calculator="http:\/\/ivanzhangwb.com\/custom\/schema\/calculator"\r\n        xsi:schemaLocation="http:\/\/www.springframework.org\/schema\/beans\r\n        http:\/\/www.springframework.org\/schema\/beans\/spring-beans-2.5.xsd\r\n        http:\/\/xttblog.com\/custom\/schema\/calculator\r\n        http:\/\/xttblog.com\/custom\/schema\/calculator.xsd">\r\n    <calculator:calculator id="cal" number1="40.5" number2="234" operator="add" \/>\r\n<\/beans><\/pre>\n
    \n\t\u5bf9\u81ea\u5b9a\u4e49\u6807\u7b7e\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\n<\/p>\n
    \r\npublic class XMLSchemaCustomTest{\r\n    public static void main(String[] args) {\r\n        ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");\r\n        Calculator ca=(Calculator)ctx.getBean("cal");\r\n        System.out.println(ca.getOperator()+"-"+ca.getResult());\r\n    }\r\n}\r\n<\/pre>\n
    \"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/<\/p>
    \u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1axttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p>
    \u672c\u6587\u539f\u6587\u51fa\u5904\uff1a\u4e1a\u4f59\u8349<\/a>\uff1a » Spring\u53ef\u6269\u5c55\u7684XML Schema\u7684\u81ea\u5b9a\u4e49\u6807\u7b7e\u8be6\u89e3<\/a><\/p>","protected":false},"excerpt":{"rendered":"
    \u6709\u4e00\u4e9b\u57fa\u4e8eSpring\u7684\u6846\u67b6\u901a\u5e38\u4f1a\u63d0\u4f9b\u4ed6\u4eec\u81ea\u5df1\u7279\u6709\u7684\u4e00\u4e9b\u914d\u7f6e\u65b9\u5f0f\uff0c \u6700\u5e38\u89c1\u7684\u83ab\u8fc7\u4e8e\u57fa\u4e8eSpring\u7684XML\u6269\u5c55 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[551,553,552],"class_list":["post-884","post","type-post","status-publish","format-standard","hentry","category-java","tag-spring","tag-spring-xml"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/884","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=884"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/884\/revisions"}],"predecessor-version":[{"id":885,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/884\/revisions\/885"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}