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我创建了自己的控件，并且必须在xbl文件中硬编码一些信息。这里是我的控制代码：xbl文件的属性
<xbl:xbl xmlns:xh="http://www.w3.org/1999/xhtml"
xmlns:xf="http://www.w3.org/2002/xforms"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:xxf="http://orbeon.org/oxf/xml/xforms"
xmlns:my="http://www.example.com/"
xmlns:fr="http://orbeon.org/oxf/xml/form-runner"
xmlns:fb="http://orbeon.org/oxf/xml/form-builder"
xmlns:saxon="http://saxon.sf.net/"
xmlns:xbl="http://www.w3.org/ns/xbl"
xmlns:exf="http://www.exforms.org/exf/1-0"
xmlns:xxbl="http://orbeon.org/oxf/xml/xbl"
xmlns:oxf="http://www.orbeon.com/oxf/processors">
<xbl:binding id="my-dictionary-selector" element="my|dictionary-selector" xxbl:mode="lhha binding value" xxbl:label-for="select1">
<fb:metadata>
<fb:display-name lang="en">Dictionary selector</fb:display-name>
<fb:icon lang="en">
<fb:small-icon>/forms/orbeon/builder/images/dropdown.png</fb:small-icon>
<fb:large-icon>/forms/orbeon/builder/images/dropdown.png</fb:large-icon>
</fb:icon>
<fb:datatype>xf:string</fb:datatype>
<fb:editors static-itemset="false"/>
<fb:template>
<my:dictionary-selector id="" appearance="minimal" ref="" resource="" xmlns:xf="http://www.w3.org/2002/xforms">
<xf:label ref=""/>
<xf:hint ref=""/>
<xf:help ref=""/>
<xf:alert ref=""/>
<xf:input ref=""/>
<xf:resource ref=""/>
<xf:itemset ref="/collection/dictionary">
<xf:label ref="key"/>
<xf:value ref="value"/>
</xf:itemset>
</my:dictionary-selector>
</fb:template>
<fb:control-details>
<xf:input ref="@resource" >
<xf:label lang="en">Dictionary</xf:label>
<xf:hint lang="en">Name of dictionary returning data used to populate the dropdown</xf:hint>
</xf:input>
</fb:control-details>
</fb:metadata>
<xbl:resources>
<xbl:style>
div.xbl-fr-databound-select1 { display: inline; }
</xbl:style>
</xbl:resources>
<xbl:implementation>
<xf:model id="xbl-model">
<xf:instance id="itemset"><dummy/></xf:instance>
<xf:instance id="submission-ran"><count>0</count></xf:instance>
<xf:submission id="get-itemset" method="get" resource="http://localhost:8080/OrbeonForm/resources/dictionaries/{event('resource')}" replace="instance" serialization="none">
<xf:setvalue ev:event="xforms-submit-done" ref="instance('submission-ran')" value=". + 1"/>
<xf:action ev:event="xforms-submit-error">
<xf:insert ref="instance('itemset')" origin="xxf:element('dummy')"/>
</xf:action>
</xf:submission>
</xf:model>
</xbl:implementation>
<xbl:template>
<xf:var name="binding" value="xxf:binding('my-dictionary-selector')"/>
<xf:var name="resource-avt" xbl:attr="xbl:text=resource" xxbl:scope="outer"/>
<xf:var name="resource">
<xxf:value value="xxf:evaluate-avt($resource-avt)" xxbl:scope="outer"/>
<xf:action ev:event="xforms-enabled xforms-value-changed">
<xf:send if="string-length(normalize-space($resource)) > 0" submission="get-itemset">
<xf:property name="resource" value="$resource"/>
</xf:send>
</xf:action>
</xf:var>
<xf:select1 ref="$binding" id="select1">
<xf:item>
<xf:label/>
<xf:value/>
</xf:item>
<xf:choices context="instance()">
<xbl:content includes=":root > xf|itemset, :root > xf|item, :root > xf|choices" xxbl:scope="inner"/>
</xf:choices>
</xf:select1>
<xf:var name="submission-ran" value="instance('submission-ran')/string()">
<xf:action ev:event="xforms-value-changed">
<xf:var name="new-values" value="xxf:itemset('select1', 'xml', false())//value/string()"/>
<xf:setvalue if="not($binding = ($new-values, ''))" ref="$binding"/>
<xf:insert context="$binding" if="empty(@itemset-empty)" origin="xf:attribute('itemset-empty')"/>
<xf:setvalue ref="$binding/@itemset-empty" value="count($new-values) = 1"/>
</xf:action>
</xf:var>
</xbl:template>
</xbl:binding>
</xbl:xbl>
现在我想借硬编码信息：
out of xbl文件并将其存储在某些属性文件或数据库中。那可能吗？如果是这样，我该怎么做？