Android Retrofit 2简单XML转换器

概述我正在使用Retrofit 2.1.0和Retrofit Simple XML Converter 2.1.0.我添加了simplexmlconverter来使用addConverterFactory方法改进实例. XML如下 <?xml version="1.0" encoding="UTF-8"?><rss xmlns:atom="http://www.w3.org/2005/Atom" x 我正在使用Retrofit 2.1.0和Retrofit Simple XML Converter 2.1.0.我添加了simplexmlconverter来使用addConverterFactory方法改进实例.

XML如下

<?xml version="1.0" enCoding="UTF-8"?><RSS xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:media="http://search.yahoo.com/mRSS/" version="2.0">   <channel>      <Title>Title</Title>      <description></description>      <language>en-us</language>      <item>         <Title>text</Title>         <link>text</link>         <description>text</description>         <enclosure url="text" length="2043520" type="image/jpeg" />         <guID isPermalink="false">text</guID>         <pubDate>Fri,17 Jun 2016 11:43 EDT</pubDate>         <source url="text">text</source>      </item>      <item>         <Title>text</Title>         <link>text</link>         <description>text</description>         <enclosure url="text" length="1735257" type="image/jpeg" />         <guID isPermalink="false">text</guID>         <pubDate>Thu,16 Jun 2016 10:17 EDT</pubDate>         <source url="text"></source>      </item>      <item>         <Title>text</Title>         <link>text</link>         <description>text</description>         <enclosure url="text" length="3763157" type="image/jpeg" />         <guID isPermalink="false">text</guID>         <pubDate>Wed,15 Jun 2016 10:02 EDT</pubDate>         <source url="text">text</source>      </item>   </channel></RSS>

我的改造API客户端相关代码：Retrofitapiclient

OkhttpClIEnt clIEnt = new OkhttpClIEnt.Builder()            .addInterceptor(loggingInterceptor)            .build();Retrofit retrofit = new Retrofit.Builder()        .baseUrl(BASE_URL)        .clIEnt(clIEnt)        .addConverterFactory(SimpleXmlConverterFactory.create())        .build();APIService = retrofit.create(MyService.class);

ArticleResponse.java

import org.simpleframework.xml.Element;import org.simpleframework.xml.ElementList;import org.simpleframework.xml.Root;import java.util.List;@Root(name = "RSS")public class ArticleResponse {    @Element(name = "channel")    public Channel channel;    public class Channel {        @ElementList        public List<Article> articles;    }}

Article.java

import org.simpleframework.xml.Attribute;import org.simpleframework.xml.Element;import org.simpleframework.xml.Text;@Element(name = "item")public class Article {    @Element(name = "Title")    private String Title;    @Element(name = "link")    private String link;    @Element(name = "description")    private String description;    @Element(name = "enclosure")    private Enclosure enclosure;    @Element(name = "guID")    private String guID;    @Element(name = "pubDate")    private String pubDate;    @Element(name = "source")    private Source source;    public class Enclosure {        @Attribute(name = "url")        private String url;        @Attribute(name = "length")        private long length;        @Attribute(name = "type")        private String type;    }    public class Source {        @Attribute(name = "url")        private String url;        @Text        private String text;    }}

错误是：

06-18 20:31:22.894 W/System.err: java.lang.RuntimeException: org.simpleframework.xml.core.AttributeException: Attribute 'version' does not have a match in class [my-package].webservice.response.ArticleResponse at line 106-18 20:31:22.894 W/System.err:     at retrofit2.converter.simplexml.SimpleXmlResponseBodyConverter.convert(SimpleXmlResponseBodyConverter.java:44)06-18 20:31:22.894 W/System.err:     at retrofit2.converter.simplexml.SimpleXmlResponseBodyConverter.convert(SimpleXmlResponseBodyConverter.java:23)06-18 20:31:22.894 W/System.err:     at retrofit2.ServiceMethod.toResponse(ServiceMethod.java:116)06-18 20:31:22.894 W/System.err:     at retrofit2.OkhttpCall.parseResponse(OkhttpCall.java:211)06-18 20:31:22.894 W/System.err:     at retrofit2.OkhttpCall.onResponse(OkhttpCall.java:106)06-18 20:31:22.894 W/System.err:     at okhttp3.RealCall$AsyncCall.execute(RealCall.java:133)06-18 20:31:22.894 W/System.err:     at okhttp3.internal.namedRunnable.run(namedRunnable.java:32)06-18 20:31:22.894 W/System.err:     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)06-18 20:31:22.894 W/System.err:     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)06-18 20:31:22.894 W/System.err:     at java.lang.Thread.run(Thread.java:818)06-18 20:31:22.894 W/System.err: Caused by: org.simpleframework.xml.core.AttributeException: Attribute 'version' does not have a match in class [my-package].webservice.response.ArticleResponse at line 106-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Composite.readAttribute(Composite.java:494)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Composite.readAttributes(Composite.java:413)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Composite.access0(Composite.java:59)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Composite$Builder.read(Composite.java:1382)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Composite.read(Composite.java:201)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Composite.read(Composite.java:148)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Traverser.read(Traverser.java:92)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Persister.read(Persister.java:625)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Persister.read(Persister.java:606)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Persister.read(Persister.java:584)06-18 20:31:22.895 W/System.err:     at org.simpleframework.xml.core.Persister.read(Persister.java:543)06-18 20:31:22.895 W/System.err:     at retrofit2.converter.simplexml.SimpleXmlResponseBodyConverter.convert(SimpleXmlResponseBodyConverter.java:36)06-18 20:31:22.895 W/System.err:    ... 9 more

解决方法 尝试使用strict = false：

@Root(name = "RSS",strict = false)public class ArticleResponse {    @Element(name = "channel")    public Channel channel;    public class Channel {        @ElementList        public List<Article> articles;    }}

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