201712.mbox/raw/%3c20171222085553.414AB3A0B0C@svn01-us-west.apache.org%3e

+    /*
+     * 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 static org.apache.felix.utils.manifest.Parser.parseHeader;
+
+    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.Arrays;
+    import java.util.HashSet;
+    import java.util.Map;
+    import java.util.Set;
+    import java.util.regex.Pattern;
+
+    import javax.xml.transform.Transformer;
+    import javax.xml.transform.TransformerFactory;
+    import javax.xml.transform.stream.StreamResult;
+    import javax.xml.transform.stream.StreamSource;
+
+    import org.apache.felix.utils.manifest.Attribute;
+    import org.apache.felix.utils.manifest.Clause;
+    import org.osgi.framework.Constants;
+
+    import aQute.bnd.header.Attrs;
+    import aQute.bnd.osgi.Analyzer;
+    import aQute.bnd.osgi.Descriptors.PackageRef;
+    import aQute.bnd.osgi.Jar;
+    import aQute.bnd.osgi.Processor;
+    import aQute.bnd.osgi.Resource;
+    import aQute.bnd.service.AnalyzerPlugin;
+    import aQute.libg.generics.Create;
+
+
+    public class BlueprintPlugin implements AnalyzerPlugin
+    {
+
+        static Pattern QN = Pattern.compile( "[_A-Za-z$][_A-Za-z0-9$]*(\\.[_A-Za-z$][_A-Za-z0-9$]*)*" );
+        static Pattern PATHS = Pattern.compile( ".*\\.xml" );
+
+        Transformer transformer;
+
+
+        public BlueprintPlugin() throws Exception
+        {
+            transformer = getTransformer( getClass().getResource( "blueprint.xsl" ) );
+        }
+
+
+        public boolean analyzeJar( Analyzer analyzer ) throws Exception
+        {
+            String mode = analyzer.getProperty("service_mode");
+            if (mode == null) {
+                mode = "service";
+            }
+
+            transformer.setParameter( "nsh_interface",
+                analyzer.getProperty( "nsh_interface" ) != null ? analyzer.getProperty( "nsh_interface" ) : "" );
+            transformer.setParameter( "nsh_namespace",
+                analyzer.getProperty( "nsh_namespace" ) != null ? analyzer.getProperty( "nsh_namespace" ) : "" );
+
+            Set<String> headers = Create.set();
+
+            String bpHeader = analyzer.getProperty( "Bundle-Blueprint", "OSGI-INF/blueprint" );
+            Map<String, ? extends Map<String, String>> map = Processor.parseHeader( bpHeader, null );
+    		bpHeader = "";
+            for ( String root : map.keySet() )
+            {
+                Jar jar = analyzer.getJar();
+                Map<String, Resource> dir = jar.getDirectories().get( root );
+                if ( dir == null || dir.isEmpty() )
+                {
+                    Resource resource = jar.getResource( root );
+                    if ( resource != null )
+    				{
+                        process( analyzer, root, resource, headers );
+    					if (bpHeader.length() > 0) {
+    						bpHeader += ",";
+    					}
+    					bpHeader += root;
+    				}
+                    continue;
+                }
+                for ( Map.Entry<String, Resource> entry : dir.entrySet() )
+                {
+                    String path = entry.getKey();
+                    Resource resource = entry.getValue();
+                    if ( PATHS.matcher( path ).matches() )
+    				{
+                        process( analyzer, path, resource, headers );
+    					if (bpHeader.length() > 0) {
+    						bpHeader += ",";
+    					}
+    					bpHeader += path;
+    				}
+                }
+            }
+    		if( !map.isEmpty() )
+    		{
+    			analyzer.setProperty("Bundle-Blueprint", bpHeader);
+    		}
+
+            // Group and analyze
+            Set<String> caps = Create.set();
+            Set<String> reqs = Create.set();
+            Map<String, Set<Clause>> hdrs = Create.map();
+            for ( String str : headers )
+            {
+                int idx = str.indexOf( ':' );
+                if ( idx < 0 )
+                {
+                    analyzer.warning( ( new StringBuilder( "Error analyzing services in blueprint resource: " ) ).append(
+                        str ).toString() );
+                    continue;
+                }
+                String h = str.substring( 0, idx ).trim();
+                String v = str.substring( idx + 1 ).trim();
+                Clause[] hc = parseHeader(v);
+                // Convert generic caps/reqs
+                if ("Import-Service".equals(h))
+                {
+                    if (!"service".equals(mode))
+                    {
+                        Clause clause = hc[0];
+                        String multiple = clause.getDirective("multiple");
+                        String avail = clause.getDirective("availability");
+                        String filter = clause.getAttribute("filter");
+
+                        StringBuilder sb = new StringBuilder();
+                        sb.append("osgi.service;effective:=active;");
+                        if ("optional".equals(avail)) {
+                            sb.append("resolution:=optional;");
+                        }
+                        if ("true".equals(multiple)) {
+                            sb.append("cardinality:=multiple;");
+                        }
+                        if (filter == null) {
+                            filter = "(" + Constants.OBJECTCLASS + "=" + clause.getName() + ")";
+                        } else if (!filter.startsWith("(") && !filter.endsWith(")")) {
+                            filter = "(&(" + Constants.OBJECTCLASS + "=" + clause.getName() + ")(" + filter + "))";
+                        } else {
+                            filter = "(&(" + Constants.OBJECTCLASS + "=" + clause.getName() + ")" + filter + ")";
+                        }
+                        sb.append("filter:=\"").append(filter).append("\"");
+                        reqs.add(sb.toString());
+                    }
+                    else if (!"generic".equals(mode))
+                    {
+                        Set<Clause> clauses = hdrs.get(h);
+                        if (clauses == null) {
+                            clauses = new HashSet<Clause>();
+                            hdrs.put(h, clauses);
+                        }
+                        clauses.addAll(Arrays.asList(hc));
+                    }
+                }
+                else if ("Export-Service".equals(h))
+                {
+                    if (!"service".equals(mode))
+                    {
+                        StringBuilder sb = new StringBuilder();
+                        sb.append("osgi.service;effective:=active;objectClass");
+                        if (hc.length > 1) {
+                            sb.append(":List<String>=\"");
+                        } else {
+                            sb.append("=\"");
+                        }
+                        for (int i = 0; i < hc.length; i++)
+                        {
+                            if (i > 0)
+                            {
+                                sb.append(",");
+                            }
+                            sb.append(hc[i].getName());
+                        }
+                        sb.append("\"");
+                        for (int i = 0; i < hc[0].getAttributes().length; i++)
+                        {
+                            sb.append(";");
+                            sb.append(hc[0].getAttributes()[i].getName());
+                            sb.append("=\"");
+                            sb.append(hc[0].getAttributes()[i].getValue());
+                            sb.append("\"");
+                        }
+                        caps.add(sb.toString());
+                    }
+                    else if (!"generic".equals(mode))
+                    {
+                        Set<Clause> clauses = hdrs.get(h);
+                        if (clauses == null) {
+                            clauses = new HashSet<Clause>();
+                            hdrs.put(h, clauses);
+                        }
+                        clauses.addAll(Arrays.asList(hc));
+                    }
+                }
+                else
+                {
+                    Set<Clause> clauses = hdrs.get(h);
+                    if (clauses == null)
+                    {
+                        clauses = new HashSet<Clause>();
+                        hdrs.put(h, clauses);
+                    }
+                    clauses.addAll(Arrays.asList( hc ) );
+                }
+            }
+            if (!caps.isEmpty())
+            {
+                StringBuilder sb = new StringBuilder();
+                String header = analyzer.getProperty("Provide-Capability");
+                if (header != null)
+                {
+                    sb.append(header);
+                }
+                for (String cap : caps) {
+                    if (sb.length() > 0) {
+                        sb.append(",");
+                    }
+                    sb.append(cap);
+                }
+                analyzer.setProperty("Provide-Capability", sb.toString());
+            }
+            if (!reqs.isEmpty())
+            {
+                StringBuilder sb = new StringBuilder();
+                String header = analyzer.getProperty("Require-Capability");
+                if (header != null)
+                {
+                    sb.append(header);
+                }
+                for (String req : reqs) {
+                    if (sb.length() > 0) {
+                        sb.append(",");
+                    }
+                    sb.append(req);
+                }
+                analyzer.setProperty("Require-Capability", sb.toString());
+            }
+            // Merge
+            for ( String header : hdrs.keySet() )
+            {
+                if ( "Import-Class".equals( header ) || "Import-Package".equals( header ) )
+                {
+                    Set<Clause> newAttr = hdrs.get(header);
+                    for ( Clause a : newAttr )
+                    {
+                        String pkg = a.getName();
+                        if ( "Import-Class".equals( header ) )
+                        {
+                            int n = a.getName().lastIndexOf( '.' );
+                            if ( n > 0 )
+                            {
+                                pkg = pkg.subSequence( 0, n ).toString();
+                            }
+                            else
+                            {
+                                continue;
+                            }
+                        }
+                        PackageRef pkgRef = analyzer.getPackageRef( pkg );
+                        if ( !analyzer.getReferred().containsKey( pkgRef ) )
+                        {
+                            Attrs attrs = analyzer.getReferred().put(pkgRef);
+                            for (Attribute attribute : a.getAttributes())
+                            {
+                                attrs.put(attribute.getName(), attribute.getValue());
+                            }
+                        }
+                    }
+                }
+                else
+                {
+                    Set<String> merge = Create.set();
+                    String org = analyzer.getProperty(header);
+                    if (org != null && !org.isEmpty())
+                    {
+                        for (Clause clause : parseHeader(org))
+                        {
+                            merge.add(clause.toString());
+                        }
+                    }
+                    for (Clause clause : hdrs.get(header))
+                    {
+                        merge.add(clause.toString());
+                    }
+                    StringBuilder sb = new StringBuilder();
+                    for (String clause : merge)
+                    {
+                        if ( sb.length() > 0 )
+                        {
+                            sb.append( "," );
+                        }
+                        sb.append(clause);
+
+                    }
+                    analyzer.setProperty( header, 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 spring 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();
+                line = line.replace( ";availability:=mandatory", "" );
+                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 );
+        }
+
+    }
+