private void extractConfiguration()

in src/main/java/org/apache/sling/maven/projectsupport/AbstractUsingBundleListMojo.java [289:351]
55 lines of code
8 McCabe index (conditional complexity)

    private void extractConfiguration(final Artifact artifact) throws MojoExecutionException, IOException {
        // check for configuration artifact
        Artifact cfgArtifact = null;
        try {
            cfgArtifact = getArtifact(artifact.getGroupId(),
                    artifact.getArtifactId(),
                    artifact.getVersion(),
                    AttachPartialBundleListMojo.CONFIG_TYPE,
                    AttachPartialBundleListMojo.CONFIG_CLASSIFIER);
        } catch (final MojoExecutionException ignore) {
            // we just ignore this
        }
        if ( cfgArtifact != null ) {
            getLog().info(
                    String.format("Merging settings from partial bundle list %s:%s:%s", cfgArtifact.getGroupId(),
                            cfgArtifact.getArtifactId(), cfgArtifact.getVersion()));

            // extract
            zipUnarchiver.setSourceFile(cfgArtifact.getFile());
            try {
                this.tmpOutputDir.mkdirs();
                zipUnarchiver.setDestDirectory(this.tmpOutputDir);
                zipUnarchiver.extract();

                final File slingDir = new File(this.tmpOutputDir, "sling");
                this.readSlingProperties(new File(slingDir, AttachPartialBundleListMojo.SLING_COMMON_PROPS), 0);
                this.readSlingProperties(new File(slingDir, AttachPartialBundleListMojo.SLING_WEBAPP_PROPS), 1);
                this.readSlingProperties(new File(slingDir, AttachPartialBundleListMojo.SLING_STANDALONE_PROPS), 2);
                this.readSlingBootstrap(new File(slingDir, AttachPartialBundleListMojo.SLING_COMMON_BOOTSTRAP), 0);
                this.readSlingBootstrap(new File(slingDir, AttachPartialBundleListMojo.SLING_WEBAPP_BOOTSTRAP), 1);
                this.readSlingBootstrap(new File(slingDir, AttachPartialBundleListMojo.SLING_STANDALONE_BOOTSTRAP), 2);

                // and now configurations
                final File configDir = new File(this.tmpOutputDir, "config");
                if ( configDir.exists() ) {
                    if ( this.overlayConfigDir == null ) {
                        this.tempConfigDir.mkdirs();
                        this.overlayConfigDir = this.tempConfigDir;
                    }
                    final String[] defaultExcludes = FileUtils.getDefaultExcludes();
                    String[] excludes;
                    if ( this.configExcludes != null ) {
                        excludes = new String[defaultExcludes.length + this.configExcludes.length];
                        System.arraycopy(defaultExcludes, 0, excludes, 0, defaultExcludes.length);
                        System.arraycopy(this.configExcludes, 0, excludes, defaultExcludes.length, this.configExcludes.length);
                    } else {
                        excludes = defaultExcludes;
                    }
                    String[] includes = null;
                    if ( this.configIncludes != null ) {
                        includes = this.configIncludes;
                    }
                    copyDirectory(configDir, this.overlayConfigDir,
                                    includes, excludes);
                }
            } catch (final ArchiverException ae) {
                throw new MojoExecutionException("Unable to extract configuration archive.",ae);
            } finally {
                // and delete at the end
                FileUtils.deleteDirectory(this.tmpOutputDir);
            }
        }
    }