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package org.mule.module.xml.filters; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.routing.filter.Filter; |
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import org.mule.module.xml.util.XMLUtils; |
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import javax.xml.stream.XMLInputFactory; |
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import javax.xml.stream.XMLStreamConstants; |
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import javax.xml.stream.XMLStreamException; |
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import javax.xml.stream.XMLStreamReader; |
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public class IsXmlFilter implements Filter |
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{ |
25 | 0 | private final XMLInputFactory factory = XMLInputFactory.newInstance(); |
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public IsXmlFilter() |
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{ |
31 | 0 | super(); |
32 | 0 | } |
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public boolean accept(MuleMessage obj) |
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{ |
36 | 0 | return accept(obj.getPayload()); |
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} |
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private boolean accept(Object obj) |
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{ |
41 | 0 | XMLStreamReader parser = null; |
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try |
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{ |
44 | 0 | parser = XMLUtils.toXMLStreamReader(factory, obj); |
45 | 0 | if (parser == null) |
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{ |
47 | 0 | return false; |
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} |
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50 | 0 | while (parser.next() != XMLStreamConstants.END_DOCUMENT) |
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{ |
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} |
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55 | 0 | return true; |
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} |
57 | 0 | catch (XMLStreamException ex) |
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{ |
59 | 0 | return false; |
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} |
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finally |
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{ |
63 | 0 | if (parser != null) |
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{ |
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try |
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{ |
67 | 0 | parser.close(); |
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} |
69 | 0 | catch (XMLStreamException ignored) |
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{ |
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72 | 0 | } |
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} |
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} |
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} |
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} |