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package org.apache.any23.cli; |
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import org.apache.any23.vocab.RDFSchemaUtils; |
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import org.apache.commons.cli.CommandLine; |
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import org.apache.commons.cli.CommandLineParser; |
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import org.apache.commons.cli.HelpFormatter; |
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import org.apache.commons.cli.Option; |
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import org.apache.commons.cli.Options; |
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import org.apache.commons.cli.PosixParser; |
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import java.io.BufferedOutputStream; |
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import java.io.IOException; |
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import java.util.Arrays; |
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@ToolRunner.Description("Prints out the RDF Schema of the vocabularies used by Any23.") |
38 | 0 | public class VocabPrinter implements Tool { |
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public static void main(String[] args) throws IOException { |
41 | 0 | System.exit( new VocabPrinter().run(args) ); |
42 | 0 | } |
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public int run(String[] args) { |
45 | 0 | final CommandLineParser parser = new PosixParser(); |
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final CommandLine commandLine; |
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final RDFSchemaUtils.VocabularyFormat format; |
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try { |
49 | 0 | final Options options = new Options(); |
50 | 0 | options.addOption( |
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new Option("h", "help", false, "Print this help.") |
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); |
53 | 0 | options.addOption( |
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new Option( |
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"f", "format", |
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true, |
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"Vocabulary output format, supported values are: " + |
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Arrays.toString(RDFSchemaUtils.VocabularyFormat.values()) |
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) |
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); |
61 | 0 | commandLine = parser.parse(options, args); |
62 | 0 | if (commandLine.hasOption("h")) { |
63 | 0 | printHelp(options); |
64 | 0 | return 0; |
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} |
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try { |
67 | 0 | format = RDFSchemaUtils.VocabularyFormat.valueOf( |
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commandLine.getOptionValue("f", RDFSchemaUtils.VocabularyFormat.NQuads.name()) |
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); |
70 | 0 | } catch (IllegalArgumentException iae) { |
71 | 0 | throw new IllegalArgumentException("Unknown format [" + commandLine.getOptionValue("f") + "'"); |
72 | 0 | } |
73 | 0 | } catch (Exception e) { |
74 | 0 | e.printStackTrace(System.err); |
75 | 0 | return 1; |
76 | 0 | } |
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78 | 0 | final BufferedOutputStream bos = new BufferedOutputStream(System.out); |
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try { |
80 | 0 | RDFSchemaUtils.serializeVocabularies(format, System.out); |
81 | 0 | } catch (Exception e) { |
82 | 0 | e.printStackTrace(System.err); |
83 | 0 | return 1; |
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} finally { |
85 | 0 | try { |
86 | 0 | bos.flush(); |
87 | 0 | } catch (IOException ioe) { |
88 | 0 | ioe.printStackTrace(System.err); |
89 | 0 | } |
90 | 0 | System.out.println(); |
91 | 0 | } |
92 | 0 | return 0; |
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} |
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private void printHelp(Options options) { |
96 | 0 | HelpFormatter formatter = new HelpFormatter(); |
97 | 0 | formatter.printHelp(this.getClass().getSimpleName(), options, true); |
98 | 0 | } |
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} |