| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.felix.bundleplugin; |
| |
| |
| import java.io.BufferedReader; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.net.URL; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.stream.StreamResult; |
| import javax.xml.transform.stream.StreamSource; |
| |
| import aQute.bnd.osgi.Analyzer; |
| import aQute.bnd.osgi.Processor; |
| import aQute.bnd.osgi.Resource; |
| import aQute.bnd.service.AnalyzerPlugin; |
| import aQute.libg.generics.Create; |
| |
| |
| public class ScrPlugin implements AnalyzerPlugin |
| { |
| |
| Transformer transformer; |
| |
| public ScrPlugin() throws Exception |
| { |
| transformer = getTransformer( getClass().getResource( "scr.xsl" ) ); |
| } |
| |
| |
| public boolean analyzeJar( Analyzer analyzer ) throws Exception |
| { |
| Set<String> headers = Create.set(); |
| |
| String bpHeader = analyzer.getProperty( "Service-Component" ); |
| |
| Map<String, ? extends Map<String, String>> map = Processor.parseHeader( bpHeader, null ); |
| for ( String root : map.keySet() ) |
| { |
| Resource resource = analyzer.getJar().getResource(root); |
| if ( resource != null ) { |
| process(analyzer, root, resource, headers); |
| } |
| } |
| |
| // Group and analyze |
| for ( String str : headers ) |
| { |
| int idx = str.indexOf( ':' ); |
| if ( idx < 0 ) |
| { |
| analyzer.warning( ( new StringBuilder( "Error analyzing services in scr resource: " ) ).append( str ).toString() ); |
| continue; |
| } |
| String h = str.substring( 0, idx ).trim(); |
| String v = str.substring( idx + 1 ).trim(); |
| |
| StringBuilder sb = new StringBuilder(); |
| String header = analyzer.getProperty( h ); |
| if (header != null && !header.isEmpty()) |
| { |
| sb.append(header); |
| sb.append(","); |
| } |
| sb.append( v ); |
| analyzer.setProperty(h, sb.toString()); |
| } |
| return false; |
| } |
| |
| |
| private void process( Analyzer analyzer, String path, Resource resource, Set<String> headers ) |
| { |
| InputStream in = null; |
| try |
| { |
| in = resource.openInputStream(); |
| |
| // Retrieve headers |
| Set<String> set = analyze( in ); |
| headers.addAll( set ); |
| } |
| catch ( Exception e ) |
| { |
| analyzer.error( ( new StringBuilder( "Unexpected exception in processing scr resources(" ) ) |
| .append( path ).append( "): " ).append( e ).toString() ); |
| } |
| finally |
| { |
| try |
| { |
| if ( in != null ) |
| { |
| in.close(); |
| } |
| } |
| catch ( IOException e ) |
| { |
| } |
| } |
| } |
| |
| |
| public Set<String> analyze( InputStream in ) throws Exception |
| { |
| Set<String> refers = new HashSet<String>(); |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| javax.xml.transform.Result r = new StreamResult( bout ); |
| javax.xml.transform.Source s = new StreamSource( in ); |
| transformer.transform( s, r ); |
| ByteArrayInputStream bin = new ByteArrayInputStream( bout.toByteArray() ); |
| bout.close(); |
| BufferedReader br = new BufferedReader( new InputStreamReader( bin ) ); |
| for ( String line = br.readLine(); line != null; line = br.readLine() ) |
| { |
| line = line.trim(); |
| if ( line.length() > 0 ) |
| { |
| refers.add( line ); |
| } |
| } |
| |
| br.close(); |
| return refers; |
| } |
| |
| |
| protected Transformer getTransformer( URL url ) throws Exception |
| { |
| TransformerFactory tf = TransformerFactory.newInstance(); |
| javax.xml.transform.Source source = new StreamSource( url.openStream() ); |
| return tf.newTransformer( source ); |
| } |
| |
| } |