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package org.apache.any23.extractor.rdf; |
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import org.apache.any23.extractor.ExtractionContext; |
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import org.apache.any23.extractor.ExtractionException; |
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import org.apache.any23.extractor.ExtractionParameters; |
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import org.apache.any23.extractor.ExtractionResult; |
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import org.apache.any23.extractor.Extractor; |
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import org.apache.any23.extractor.ExtractorDescription; |
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import org.openrdf.rio.RDFHandlerException; |
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import org.openrdf.rio.RDFParseException; |
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import org.openrdf.rio.RDFParser; |
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import org.openrdf.rio.helpers.RDFParserBase; |
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import java.io.IOException; |
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import java.io.InputStream; |
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40 | 0 | public abstract class BaseRDFExtractor implements Extractor.ContentExtractor { |
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private boolean verifyDataType; |
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private boolean stopAtFirstError; |
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53 | 0 | public BaseRDFExtractor(boolean verifyDataType, boolean stopAtFirstError) { |
54 | 0 | this.verifyDataType = verifyDataType; |
55 | 0 | this.stopAtFirstError = stopAtFirstError; |
56 | 0 | } |
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public abstract ExtractorDescription getDescription(); |
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protected abstract RDFParserBase getParser( |
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ExtractionContext extractionContext, |
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ExtractionResult extractionResult |
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); |
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public BaseRDFExtractor() { |
66 | 0 | this(false, false); |
67 | 0 | } |
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public boolean isVerifyDataType() { |
70 | 0 | return verifyDataType; |
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} |
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public void setVerifyDataType(boolean verifyDataType) { |
74 | 0 | this.verifyDataType = verifyDataType; |
75 | 0 | } |
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public boolean isStopAtFirstError() { |
78 | 0 | return stopAtFirstError; |
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} |
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public void setStopAtFirstError(boolean b) { |
82 | 0 | stopAtFirstError = b; |
83 | 0 | } |
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public void run( |
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ExtractionParameters extractionParameters, |
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ExtractionContext extractionContext, |
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InputStream in, |
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ExtractionResult extractionResult |
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) throws IOException, ExtractionException { |
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try { |
92 | 0 | final RDFParser parser = getParser(extractionContext, extractionResult); |
93 | 0 | parser.parse(in, extractionContext.getDocumentURI().stringValue()); |
94 | 0 | } catch (RDFHandlerException ex) { |
95 | 0 | throw new IllegalStateException("Unexpected exception.", ex); |
96 | 0 | } catch (RDFParseException ex) { |
97 | 0 | throw new ExtractionException("Error while parsing RDF document.", ex, extractionResult); |
98 | 0 | } |
99 | 0 | } |
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} |