protected Model readLocalModel()

in src/main/java/org/apache/sling/maven/slingstart/ModelPreprocessor.java [560:627]
66 lines of code
17 McCabe index (conditional complexity)

    protected Model readLocalModel(
            final MavenProject project,
            final String inlinedModel,
            final File modelDirectory,
            final String pattern,
            final Logger logger)
    throws MavenExecutionException, IOException {
        final Pattern p = Pattern.compile(pattern);
        final List<String> candidates = new ArrayList<>();
        if ( modelDirectory != null && modelDirectory.exists() ) {
            for(final File f : modelDirectory.listFiles() ) {
                if ( f.isFile() && !f.getName().startsWith(".") ) {
                    if ( p.matcher(f.getName()).matches() ) {
                        candidates.add(f.getName());
                    }
                }
            }
            Collections.sort(candidates);
        }
        if ( candidates.size() == 0 && (inlinedModel == null || inlinedModel.trim().length() == 0) ) {
            throw new MavenExecutionException("No model files found in " + modelDirectory + ", and no model inlined in POM.", (File)null);
        }
        final Model result = new Model();
        if ( inlinedModel != null ) {
            logger.debug("Reading inlined model from project " + project.getId());
            try {
                final Reader reader = new StringReader(inlinedModel);
                try {
                    final Model current = ModelReader.read(reader, "pom");
                    final Map<Traceable, String> errors = ModelUtility.validate(current);
                    if (errors != null ) {
                        throw new MavenExecutionException("Invalid inlined model : " + errors, (File)null);
                    }
                    MergeUtility.merge(result, current, new MergeUtility.MergeOptions().setHandleRemoveRunMode(false));
                } finally {
                    IOUtils.closeQuietly(reader);
                }
            } catch ( final IOException io) {
                throw new MavenExecutionException("Unable to read inlined model", io);
            }
        }
        for(final String name : candidates) {
            logger.debug("Reading model " + name + " in project " + project.getId());
            try {
                final File f = new File(modelDirectory, name);
                final FileReader reader = new FileReader(f);
                try {
                    final Model current = ModelReader.read(reader, f.getAbsolutePath());
                    final Map<Traceable, String> errors = ModelUtility.validate(current);
                    if (errors != null ) {
                        throw new MavenExecutionException("Invalid model at " + name + " : " + errors, (File)null);
                    }
                    MergeUtility.merge(result, current, new MergeUtility.MergeOptions().setHandleRemoveRunMode(false));
                } finally {
                    IOUtils.closeQuietly(reader);
                }
            } catch ( final IOException io) {
                throw new MavenExecutionException("Unable to read model at " + name, io);
            }
        }

        final Map<Traceable, String> errors = ModelUtility.validate(result);
        if (errors != null ) {
            throw new MavenExecutionException("Invalid assembled model : " + errors, (File)null);
        }

        return postProcessReadModel(result);
    }