1 package org.apache.maven.archetype.source;
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23 import java.io.File;
24 import java.io.IOException;
25 import java.io.Reader;
26 import java.io.Writer;
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28 import org.apache.maven.archetype.catalog.ArchetypeCatalog;
29 import org.apache.maven.archetype.catalog.io.xpp3.ArchetypeCatalogXpp3Reader;
30 import org.apache.maven.archetype.catalog.io.xpp3.ArchetypeCatalogXpp3Writer;
31 import org.codehaus.plexus.logging.AbstractLogEnabled;
32 import org.codehaus.plexus.util.WriterFactory;
33 import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
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38 public abstract class CatalogArchetypeDataSource
39 extends AbstractLogEnabled
40 implements ArchetypeDataSource
41 {
42 public static final String ARCHETYPE_CATALOG_PROPERTY = "file";
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44 protected void writeLocalCatalog( ArchetypeCatalog catalog, File catalogFile )
45 throws ArchetypeDataSourceException
46 {
47 try ( Writer writer = WriterFactory.newXmlWriter( catalogFile ) )
48 {
49 ArchetypeCatalogXpp3Writer catalogWriter = new ArchetypeCatalogXpp3Writer();
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51 catalogWriter.write( writer, catalog );
52 }
53 catch ( IOException e )
54 {
55 throw new ArchetypeDataSourceException( "Error writing archetype catalog.", e );
56 }
57 }
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59 protected ArchetypeCatalog readCatalog( Reader reader )
60 throws ArchetypeDataSourceException
61 {
62 try ( Reader catReader = reader )
63 {
64 ArchetypeCatalogXpp3Reader catalogReader = new ArchetypeCatalogXpp3Reader();
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66 return catalogReader.read( catReader );
67 }
68 catch ( IOException e )
69 {
70 throw new ArchetypeDataSourceException( "Error reading archetype catalog.", e );
71 }
72 catch ( XmlPullParserException e )
73 {
74 throw new ArchetypeDataSourceException( "Error parsing archetype catalog.", e );
75 }
76 }
77 }