public void modifyOutputStream()

in buildtools/src/main/java/org/apache/cxf/maven/CXFAllTransformer.java [77:130]
46 lines of code
10 McCabe index (conditional complexity)

    public void modifyOutputStream(JarOutputStream jos) throws IOException {
        List<String> imps = new ArrayList<String>(extensions.keySet());
        for (Map.Entry<String, ByteArrayOutputStream> ent : extensions.entrySet()) {
            jos.putNextEntry(new JarEntry(ent.getKey()));
            ent.getValue().writeTo(jos);
            try {
                Document r = new SAXBuilder()
                    .build(new ByteArrayInputStream(ent.getValue().toByteArray()));
                
                Element root = r.getRootElement();
                for (Iterator itr = root.getChildren().iterator(); itr.hasNext();) {
                    Content n = (Content)itr.next();
                    if (n instanceof Element) {
                        Element e = (Element)n;
                        if ("import".equals(e.getName())
                            && "http://www.springframework.org/schema/beans".equals(e.getNamespaceURI())) {
                            
                            //remove stuff that is imported from other extensions to
                            //keep them from being loaded twice. (it's not an issue
                            //to load them twice, there just is a performance 
                            //penalty in doing so
                            String loc = e.getAttributeValue("resource");
                            if (loc.startsWith("classpath:META-INF/cxf/cxf")) {
                                
                                loc = loc.substring(10);
                                imps.remove(loc);
                            }
                        }
                    }
                }
            } catch (JDOMException e) {
                throw new RuntimeException(e);
            }
        }
        
        if (imps.size() > 0) {
            jos.putNextEntry(new JarEntry("META-INF/cxf/cxf-all.xml"));
            Writer writer = new OutputStreamWriter(jos, "UTF-8");
            writer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
            writer.append("<beans xmlns=\"http://www.springframework.org/schema/beans\"\n");
            writer.append("    xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n");
            writer.append("    xsi:schemaLocation=\"");
            writer.append("http://www.springframework.org/schema/beans ");
            writer.append("http://www.springframework.org/schema/beans/spring-beans.xsd\">\n");
            writer.append("    <import resource=\"classpath:META-INF/cxf/cxf.xml\"/>\n");
            for (String res : imps) {
                writer.append("    <import resource=\"classpath:");
                writer.append(res);
                writer.append("\"/>\n");
            }
            writer.append("</beans>");
            writer.flush();
        }
    }