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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 | 2 | 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 | 2 | 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 | 6 | if ( resource != null && resource.equalsIgnoreCase( r ) ) |
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{ |
61 | 4 | return true; |
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} |
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64 | 2 | 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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for ( @SuppressWarnings( "unchecked" ) |
102 | 0 | Iterator<Attribute> itr = root.getAttributes().iterator(); itr.hasNext(); ) |
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{ |
104 | 0 | Attribute a = itr.next(); |
105 | 0 | itr.remove(); |
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107 | 0 | Element mergedEl = doc.getRootElement(); |
108 | 0 | Attribute mergedAtt = mergedEl.getAttribute( a.getName(), a.getNamespace() ); |
109 | 0 | if ( mergedAtt == null ) |
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{ |
111 | 0 | mergedEl.setAttribute( a ); |
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} |
113 | 0 | } |
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for ( @SuppressWarnings( "unchecked" ) |
116 | 0 | Iterator<Content> itr = root.getChildren().iterator(); itr.hasNext(); ) |
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{ |
118 | 0 | Content n = itr.next(); |
119 | 0 | itr.remove(); |
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121 | 0 | doc.getRootElement().addContent( n ); |
122 | 0 | } |
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} |
124 | 0 | } |
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public boolean hasTransformedResource() |
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{ |
128 | 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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{ |
134 | 0 | jos.putNextEntry( new JarEntry( resource ) ); |
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136 | 0 | new XMLOutputter( Format.getPrettyFormat() ).output( doc, jos ); |
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138 | 0 | doc = null; |
139 | 0 | } |
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} |