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package org.apache.maven.plugins.shade.resource; |
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import org.apache.maven.plugins.shade.relocation.Relocator; |
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import org.jdom.Attribute; |
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import org.jdom.Content; |
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import org.jdom.Document; |
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import org.jdom.Element; |
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import org.jdom.JDOMException; |
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import org.jdom.input.SAXBuilder; |
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import org.jdom.output.Format; |
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import org.jdom.output.XMLOutputter; |
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import org.xml.sax.EntityResolver; |
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import org.xml.sax.InputSource; |
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import org.xml.sax.SAXException; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.StringReader; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.jar.JarEntry; |
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import java.util.jar.JarOutputStream; |
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46 | 1 | public class XmlAppendingTransformer |
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implements ResourceTransformer |
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{ |
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public static final String XSI_NS = "http://www.w3.org/2001/XMLSchema-instance"; |
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51 | 1 | boolean ignoreDtd = true; |
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String resource; |
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Document doc; |
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public boolean canTransformResource( String r ) |
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{ |
59 | 3 | if ( resource != null && resource.equalsIgnoreCase( r ) ) |
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{ |
61 | 2 | return true; |
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} |
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64 | 1 | return false; |
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} |
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public void processResource( String resource, InputStream is, List<Relocator> relocators ) |
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throws IOException |
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{ |
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Document r; |
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try |
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{ |
73 | 0 | SAXBuilder builder = new SAXBuilder( false ); |
74 | 0 | builder.setExpandEntities( false ); |
75 | 0 | if ( ignoreDtd ) |
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{ |
77 | 0 | builder.setEntityResolver( new EntityResolver() |
78 | 0 | { |
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public InputSource resolveEntity( String publicId, String systemId ) |
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throws SAXException, IOException |
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{ |
82 | 0 | return new InputSource( new StringReader( "" ) ); |
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} |
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} ); |
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} |
86 | 0 | r = builder.build( is ); |
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} |
88 | 0 | catch ( JDOMException e ) |
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{ |
90 | 0 | throw new RuntimeException( "Error processing resource " + resource + ": " + e.getMessage(), e ); |
91 | 0 | } |
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93 | 0 | if ( doc == null ) |
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{ |
95 | 0 | doc = r; |
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} |
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else |
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{ |
99 | 0 | Element root = r.getRootElement(); |
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101 | 0 | for ( Iterator itr = root.getAttributes().iterator(); itr.hasNext(); ) |
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{ |
103 | 0 | Attribute a = (Attribute) itr.next(); |
104 | 0 | itr.remove(); |
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106 | 0 | Element mergedEl = doc.getRootElement(); |
107 | 0 | Attribute mergedAtt = mergedEl.getAttribute( a.getName(), a.getNamespace() ); |
108 | 0 | if ( mergedAtt == null ) |
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{ |
110 | 0 | mergedEl.setAttribute( a ); |
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} |
112 | 0 | } |
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114 | 0 | for ( Iterator itr = root.getChildren().iterator(); itr.hasNext(); ) |
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{ |
116 | 0 | Content n = (Content) itr.next(); |
117 | 0 | itr.remove(); |
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119 | 0 | doc.getRootElement().addContent( n ); |
120 | 0 | } |
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} |
122 | 0 | } |
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public boolean hasTransformedResource() |
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{ |
126 | 0 | return doc != null; |
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} |
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public void modifyOutputStream( JarOutputStream jos ) |
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throws IOException |
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{ |
132 | 0 | jos.putNextEntry( new JarEntry( resource ) ); |
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134 | 0 | new XMLOutputter( Format.getPrettyFormat() ).output( doc, jos ); |
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136 | 0 | doc = null; |
137 | 0 | } |
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} |