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<TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>发信人:&nbsp;rover&nbsp;(Eggplant),&nbsp;信区:&nbsp;Java&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>标&nbsp;&nbsp;题:&nbsp;这里是上一篇所述的原文&lt;&lt;co&nbsp;XML&nbsp;&amp;&nbsp;Java...&gt;&gt;&nbsp;<BR>发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Mon&nbsp;Mar&nbsp;15&nbsp;14:17:16&nbsp;1999)&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CO-STARS&nbsp;IN&nbsp;NETWORKING&nbsp;XML&nbsp;and&nbsp;JavaTM&nbsp;Technologies&nbsp;&nbsp;<BR>=============================================================&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;XML&nbsp;and&nbsp;JavaTM&nbsp;technologies&nbsp;are&nbsp;perfect&nbsp;complements,&nbsp;<BR>&nbsp;&nbsp;&nbsp;creating&nbsp;a&nbsp;whole&nbsp;new&nbsp;world&nbsp;of&nbsp;possibilities&nbsp;for&nbsp;developers.&nbsp;&nbsp;<BR>&nbsp;<BR>＞<I>&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sun&nbsp;Unveils&nbsp;XML&nbsp;Technology&nbsp;Support&nbsp;in&nbsp;the&nbsp;Java&nbsp;Platform&nbsp;</I><BR>＞<I>&gt;&nbsp;&nbsp;&nbsp;&nbsp;March&nbsp;9,&nbsp;1999&nbsp;--&nbsp;Sun&nbsp;Microsystems,&nbsp;Inc.&nbsp;has&nbsp;announced&nbsp;</I><BR>＞<I>&gt;&nbsp;&nbsp;&nbsp;&nbsp;its&nbsp;intent&nbsp;to&nbsp;create&nbsp;a&nbsp;JavaTM&nbsp;platform&nbsp;standard&nbsp;</I><BR>＞<I>&gt;&nbsp;&nbsp;&nbsp;&nbsp;extension&nbsp;for&nbsp;Extensible&nbsp;Markup&nbsp;Language&nbsp;(XML)&nbsp;through&nbsp;</I><BR>＞<I>&gt;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;Java&nbsp;Community&nbsp;Process.&nbsp;more...&nbsp;&nbsp;</I><BR>&nbsp;<BR>&nbsp;<BR>by&nbsp;Jon&nbsp;Byous&nbsp;&nbsp;<BR>==============&nbsp;<BR>&nbsp;<BR>XML&nbsp;--&nbsp;the&nbsp;Extensible&nbsp;Markup&nbsp;Language&nbsp;--&nbsp;is&nbsp;being&nbsp;<BR>touted&nbsp;as&nbsp;the&nbsp;biggest&nbsp;news&nbsp;in&nbsp;Internet&nbsp;applications&nbsp;<BR>since&nbsp;JavaTM&nbsp;technology&nbsp;itself&nbsp;first&nbsp;sprang&nbsp;on&nbsp;the&nbsp;<BR>scene.&nbsp;<BR>&nbsp;<BR>It's&nbsp;hard&nbsp;to&nbsp;imagine&nbsp;two&nbsp;more&nbsp;complementary&nbsp;<BR>technologies:&nbsp;While&nbsp;the&nbsp;Java&nbsp;platform&nbsp;offers&nbsp;the&nbsp;<BR>foundation&nbsp;for&nbsp;shuttling&nbsp;code&nbsp;securely&nbsp;and&nbsp;portably&nbsp;<BR>around&nbsp;networks,&nbsp;XML&nbsp;technology&nbsp;can&nbsp;do&nbsp;the&nbsp;same&nbsp;for&nbsp;<BR>data,&nbsp;offering&nbsp;a&nbsp;clean,&nbsp;platform-neutral&nbsp;way&nbsp;to&nbsp;<BR>represent&nbsp;content.&nbsp;&nbsp;<BR>&nbsp;<BR>The&nbsp;XML&nbsp;1.0&nbsp;standard&nbsp;was&nbsp;approved&nbsp;and&nbsp;published&nbsp;by&nbsp;the&nbsp;<BR>World&nbsp;Wide&nbsp;Web&nbsp;Consortium&nbsp;(W3C)&nbsp;on&nbsp;February&nbsp;10,&nbsp;1998.&nbsp;<BR>Since&nbsp;then,&nbsp;XML&nbsp;technology&nbsp;has&nbsp;quickly&nbsp;gained&nbsp;favor&nbsp;as&nbsp;<BR>a&nbsp;universal&nbsp;data&nbsp;interchange&nbsp;format&nbsp;for&nbsp;networked&nbsp;<BR>systems.&nbsp;Among&nbsp;the&nbsp;practical&nbsp;benefits&nbsp;are:&nbsp;&nbsp;<BR>&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Structure&nbsp;--&nbsp;to&nbsp;model&nbsp;data&nbsp;to&nbsp;any&nbsp;level&nbsp;of&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;complexity&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Extensibility&nbsp;--&nbsp;to&nbsp;define&nbsp;new&nbsp;tags&nbsp;as&nbsp;needed&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Validation&nbsp;--&nbsp;to&nbsp;check&nbsp;data&nbsp;for&nbsp;structural&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;correctness&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Media&nbsp;independence&nbsp;--&nbsp;to&nbsp;publish&nbsp;content&nbsp;in&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;multiple&nbsp;formats&nbsp;&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Vendor&nbsp;and&nbsp;platform&nbsp;independence&nbsp;--&nbsp;to&nbsp;process&nbsp;any&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;conforming&nbsp;document&nbsp;using&nbsp;standard&nbsp;commercial&nbsp;<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;software&nbsp;or&nbsp;even&nbsp;simple&nbsp;text&nbsp;tools.&nbsp;&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>XML&nbsp;lets&nbsp;developers&nbsp;define&nbsp;their&nbsp;own&nbsp;tags&nbsp;to&nbsp;describe&nbsp;<BR>data.&nbsp;In&nbsp;this&nbsp;example,&nbsp;we've&nbsp;defined&nbsp;tags&nbsp;that&nbsp;describe&nbsp;<BR>information&nbsp;about&nbsp;a&nbsp;book&nbsp;and&nbsp;its&nbsp;cost.&nbsp;&nbsp;<BR>&nbsp;<BR>&nbsp;<BR>A&nbsp;JavaTM&nbsp;Technology&nbsp;Standard&nbsp;Extension&nbsp;for&nbsp;<BR>XML&nbsp;Technology&nbsp;<BR>&nbsp;<BR>Sun&nbsp;is&nbsp;supporting&nbsp;XML&nbsp;technology&nbsp;through&nbsp;the&nbsp;Java&nbsp;<BR>platform&nbsp;and&nbsp;is&nbsp;leading&nbsp;the&nbsp;effort&nbsp;to&nbsp;define&nbsp;a&nbsp;Java&nbsp;<BR>technology&nbsp;standard&nbsp;extension&nbsp;for&nbsp;XML.&nbsp;It&nbsp;will&nbsp;be&nbsp;<BR>developed&nbsp;through&nbsp;industry&nbsp;participation&nbsp;in&nbsp;the&nbsp;Java&nbsp;<BR>Community&nbsp;Process,&nbsp;ensuring&nbsp;stability&nbsp;and&nbsp;<BR>compatibility.&nbsp;Enterprises&nbsp;can&nbsp;rely&nbsp;on&nbsp;the&nbsp;XML&nbsp;standard&nbsp;<BR>extension&nbsp;to&nbsp;for&nbsp;high-quality&nbsp;integration&nbsp;with&nbsp;the&nbsp;Java&nbsp;<BR>platform.&nbsp;&nbsp;<BR>&nbsp;<BR>The&nbsp;first&nbsp;step&nbsp;is&nbsp;to&nbsp;provide&nbsp;<BR>an&nbsp;XML&nbsp;standard&nbsp;extension&nbsp;that&nbsp;<BR>delivers&nbsp;basic&nbsp;functionality&nbsp;<BR>to&nbsp;read,&nbsp;manipulate,&nbsp;and&nbsp;<BR>generate&nbsp;XML&nbsp;text.&nbsp;These&nbsp;core&nbsp;<BR>features&nbsp;will&nbsp;form&nbsp;the&nbsp;<BR>building&nbsp;blocks&nbsp;for&nbsp;developing&nbsp;<BR>fully&nbsp;functional,&nbsp;XML&nbsp;<BR>technology-based&nbsp;applications.&nbsp;<BR>&nbsp;<BR>The&nbsp;XML&nbsp;standard&nbsp;extension&nbsp;<BR>will&nbsp;consist&nbsp;of&nbsp;a&nbsp;specification,&nbsp;reference&nbsp;<BR>implementation,&nbsp;and&nbsp;a&nbsp;compatibility&nbsp;test&nbsp;suite.&nbsp;<BR>Following&nbsp;Sun's&nbsp;commitment&nbsp;to&nbsp;the&nbsp;open&nbsp;process&nbsp;and&nbsp;<BR>industry&nbsp;standards,&nbsp;the&nbsp;XML&nbsp;standard&nbsp;extension&nbsp;will&nbsp;<BR>conform&nbsp;to&nbsp;the&nbsp;XML&nbsp;1.0&nbsp;specification&nbsp;and&nbsp;will&nbsp;leverage&nbsp;<BR>existing&nbsp;efforts&nbsp;around&nbsp;Java&nbsp;platform&nbsp;APIs&nbsp;for&nbsp;XML&nbsp;<BR>technology,&nbsp;including&nbsp;the&nbsp;W3C&nbsp;DOM&nbsp;Level&nbsp;1&nbsp;Core&nbsp;<BR>Recommendation&nbsp;and&nbsp;the&nbsp;SAX&nbsp;1.0&nbsp;API.&nbsp;&nbsp;<BR>&nbsp;<BR>According&nbsp;to&nbsp;Anne&nbsp;Thomas,&nbsp;senior&nbsp;consultant&nbsp;at&nbsp;Patricia&nbsp;<BR>Seybold&nbsp;Group&nbsp;in&nbsp;Boston,&nbsp;MA,&nbsp;the&nbsp;standard&nbsp;extension&nbsp;is&nbsp;<BR>quite&nbsp;a&nbsp;step&nbsp;forward:&nbsp;&quot;The&nbsp;Java&nbsp;platform&nbsp;standard&nbsp;<BR>extension&nbsp;for&nbsp;XML&nbsp;will&nbsp;provide&nbsp;standard&nbsp;classes&nbsp;to&nbsp;<BR>generate&nbsp;and&nbsp;manipulate&nbsp;XML,&nbsp;and&nbsp;as&nbsp;a&nbsp;standard&nbsp;<BR>extension,&nbsp;these&nbsp;classes&nbsp;will&nbsp;be&nbsp;available&nbsp;on&nbsp;just&nbsp;<BR>about&nbsp;every&nbsp;Java&nbsp;platform.&nbsp;Developers&nbsp;won't&nbsp;need&nbsp;to&nbsp;<BR>build&nbsp;these&nbsp;classes&nbsp;themselves,&nbsp;and&nbsp;XML&nbsp;documents&nbsp;won't&nbsp;<BR>be&nbsp;as&nbsp;bulky&nbsp;as&nbsp;they&nbsp;might&nbsp;be&nbsp;because&nbsp;we&nbsp;won't&nbsp;need&nbsp;to&nbsp;<BR>include&nbsp;these&nbsp;classes&nbsp;in&nbsp;the&nbsp;application&nbsp;code.&nbsp;The&nbsp;<BR>classes&nbsp;will&nbsp;already&nbsp;be&nbsp;resident&nbsp;on&nbsp;the&nbsp;target&nbsp;system.&quot;&nbsp;<BR>&nbsp;<BR>Enterprise&nbsp;Platform&nbsp;Support&nbsp;<BR>&nbsp;<BR>XML&nbsp;technology&nbsp;will&nbsp;also&nbsp;be&nbsp;used&nbsp;in&nbsp;several&nbsp;key&nbsp;areas&nbsp;<BR>in&nbsp;Sun's&nbsp;enterprise&nbsp;Java&nbsp;platform&nbsp;evolution.&nbsp;&quot;XML&nbsp;is&nbsp;<BR>fundamental&nbsp;to&nbsp;our&nbsp;plans&nbsp;for&nbsp;the&nbsp;next&nbsp;generation&nbsp;<BR>enterprise-computing&nbsp;platform,&nbsp;Java&nbsp;2&nbsp;Platform&nbsp;<BR>Enterprise&nbsp;Edition,&quot;&nbsp;said&nbsp;Bill&nbsp;Roth,&nbsp;product&nbsp;line&nbsp;<BR>manager&nbsp;for&nbsp;Java&nbsp;2&nbsp;Platform&nbsp;Enterprise&nbsp;Edition.&nbsp;&quot;We&nbsp;are&nbsp;<BR>using&nbsp;it&nbsp;to&nbsp;make&nbsp;Enterprise&nbsp;JavaBeansTM&nbsp;components&nbsp;even&nbsp;<BR>more&nbsp;portable.&nbsp;We&nbsp;also&nbsp;intend&nbsp;to&nbsp;make&nbsp;it&nbsp;a&nbsp;standard&nbsp;for&nbsp;<BR>the&nbsp;transmission&nbsp;of&nbsp;mission-critical&nbsp;enterprise&nbsp;data.&quot;&nbsp;&nbsp;<BR>&nbsp;<BR>Sun&nbsp;has&nbsp;announced&nbsp;that&nbsp;it&nbsp;is&nbsp;adding&nbsp;a&nbsp;standard&nbsp;<BR>extension&nbsp;based&nbsp;on&nbsp;XML&nbsp;technology&nbsp;to&nbsp;the&nbsp;next&nbsp;release&nbsp;<BR>of&nbsp;the&nbsp;Enterprise&nbsp;JavaBeans&nbsp;architecture&nbsp;in&nbsp;response&nbsp;to&nbsp;<BR>customer&nbsp;requests&nbsp;to&nbsp;increase&nbsp;the&nbsp;portability&nbsp;of&nbsp;<BR>enterprise&nbsp;beans&nbsp;components.&nbsp;The&nbsp;specifications&nbsp;for&nbsp;<BR>this&nbsp;release&nbsp;will&nbsp;be&nbsp;available&nbsp;for&nbsp;public&nbsp;review&nbsp;some&nbsp;<BR>time&nbsp;in&nbsp;the&nbsp;second&nbsp;quarter&nbsp;of&nbsp;next&nbsp;year.&nbsp;&nbsp;<BR>&nbsp;<BR>Perfect&nbsp;Couple:&nbsp;XML&nbsp;and&nbsp;Java&nbsp;Technologies&nbsp;<BR>&nbsp;<BR>XML&nbsp;technology&nbsp;is&nbsp;expected&nbsp;to&nbsp;<BR>revolutionize&nbsp;network-oriented&nbsp;<BR>applications,&nbsp;especially&nbsp;in&nbsp;<BR>the&nbsp;area&nbsp;of&nbsp;data&nbsp;interchange.&nbsp;<BR>Together,&nbsp;Java&nbsp;and&nbsp;XML&nbsp;<BR>technologies&nbsp;are&nbsp;enabling&nbsp;a&nbsp;<BR>new&nbsp;generation&nbsp;of&nbsp;Web&nbsp;<BR>applications&nbsp;in&nbsp;areas&nbsp;such&nbsp;as&nbsp;<BR>e-commerce&nbsp;and&nbsp;enterprise&nbsp;<BR>applications&nbsp;integration.&nbsp;&nbsp;<BR>&nbsp;<BR>By&nbsp;now,&nbsp;virtually&nbsp;all&nbsp;of&nbsp;the&nbsp;major&nbsp;players&nbsp;in&nbsp;Internet&nbsp;<BR>technologies&nbsp;have&nbsp;made&nbsp;commitments&nbsp;to&nbsp;XML&nbsp;technology.&nbsp;<BR>In&nbsp;addition&nbsp;to&nbsp;Sun,&nbsp;companies&nbsp;like&nbsp;IBM,&nbsp;Oracle,&nbsp;<BR>Fujitsu,&nbsp;Novell,&nbsp;Webmethods,&nbsp;Ariba,&nbsp;Bluestone,&nbsp;<BR>CommerceOne,&nbsp;Vervet,&nbsp;NetPost,&nbsp;and&nbsp;many&nbsp;others&nbsp;are&nbsp;<BR>building&nbsp;technologies&nbsp;and&nbsp;products&nbsp;that&nbsp;use&nbsp;XML&nbsp;and&nbsp;<BR>Java&nbsp;technologies&nbsp;together.&nbsp;&nbsp;<BR>&nbsp;<BR>At&nbsp;Sun,&nbsp;perhaps&nbsp;the&nbsp;biggest&nbsp;champion&nbsp;of&nbsp;this&nbsp;new&nbsp;<BR>technology&nbsp;is&nbsp;Jon&nbsp;Bosak,&nbsp;who&nbsp;is&nbsp;also&nbsp;chair&nbsp;of&nbsp;the&nbsp;W3C&nbsp;<BR>XML&nbsp;Coordination&nbsp;Group,&nbsp;and&nbsp;generally&nbsp;regarded&nbsp;as&nbsp;the&nbsp;<BR>father&nbsp;of&nbsp;XML.&nbsp;&quot;XML&nbsp;and&nbsp;Java&nbsp;technologies&nbsp;are&nbsp;the&nbsp;yin&nbsp;<BR>and&nbsp;yang&nbsp;of&nbsp;vendor-neutral&nbsp;programming,&quot;&nbsp;says&nbsp;Bosak.&nbsp;<BR>&quot;Put&nbsp;them&nbsp;together&nbsp;and&nbsp;you&nbsp;have&nbsp;a&nbsp;complete,&nbsp;<BR>platform-independent,&nbsp;Web-based&nbsp;computing&nbsp;environment.&quot;&nbsp;<BR>&nbsp;<BR>&quot;Smart&nbsp;Data&quot;&nbsp;<BR>&nbsp;<BR>&quot;Combining&nbsp;Java&nbsp;and&nbsp;XML&nbsp;<BR>technologies&nbsp;produces&nbsp;portable&nbsp;<BR>`smart'&nbsp;data,&quot;&nbsp;explains&nbsp;Anne&nbsp;<BR>Thomas&nbsp;of&nbsp;the&nbsp;Patricia&nbsp;Seybold&nbsp;<BR>Group.&nbsp;&quot;XML&nbsp;supplies&nbsp;a&nbsp;<BR>universally&nbsp;portable&nbsp;<BR>structured&nbsp;data&nbsp;format,&nbsp;and&nbsp;<BR>Java&nbsp;technology&nbsp;supplies&nbsp;<BR>
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