public void execute()

in ipojo/manipulator/ipojo-ant-task/src/main/java/org/apache/felix/ipojo/task/IPojoTask.java [148:289]
119 lines of code
35 McCabe index (conditional complexity)

    public void execute() {

        if (m_input == null && m_directory == null) {
            throw new BuildException("Neither input bundle nor directory specified");
        }

        if (m_input != null && !m_input.exists()) {
            throw new BuildException("The input bundle " + m_input.getAbsolutePath() + " does not exist");
        }

        if (m_directory != null && !m_directory.exists()) {
            throw new BuildException("The input directory " + m_directory.getAbsolutePath() + " does not exist");
        }
        if (m_directory != null && !m_directory.isDirectory()) {
            throw new BuildException("The input directory " + m_directory.getAbsolutePath() + " is not a directory");
        }


        if (m_input != null) {
            log("Input bundle file : " + m_input.getAbsolutePath());
        } else {
            log("Input directory : " + m_directory.getAbsolutePath());
        }

        if (m_manifest != null) {
            if (m_input != null) {
                throw new BuildException("The manifest location cannot be used when manipulating an existing bundle");
            }
            if (!m_manifest.exists()) {
                throw new BuildException("The manifest file " + m_manifest.getAbsolutePath() + " does not exist");
            }
        }

        // Get metadata file
        if (m_metadata == null) {
            m_metadata = new File("./metadata.xml");
            if (!m_metadata.exists()) {
                // Verify if annotations are ignored
                if (m_ignoreAnnotations) {
                    log("No metadata file found & annotations ignored : nothing to do");
                    return;
                } else {
                    log("No metadata file found - trying to use only annotations");
                    m_metadata = null;
                }
            } else {
                log("Metadata file : " + m_metadata.getAbsolutePath());
            }
        } else {
            // Metadata file is specified, check existence
            if (!m_metadata.exists()) {
                throw new BuildException("No metadata file found - the file " + m_metadata.getAbsolutePath() + " does not exist");
            } else {
                if (m_metadata.isDirectory()) {
                    log("Metadata directory : " + m_metadata.getAbsolutePath());
                } else {
                    log("Metadata file : " + m_metadata.getAbsolutePath());
                }
            }
        }

        initializeSaxDriver();


        log("Start manipulation");

        if (m_input != null) { // Prepare output file
            if (m_output == null) {
                m_output = new File("./_out.jar");
            }
            if (m_output.exists()) {
                boolean r = m_output.delete();
                if (!r) {
                    throw new BuildException("The file " + m_output.getAbsolutePath() + " cannot be deleted");
                }
            }
        }

        AntReporter reporter = new AntReporter(getProject());
        Pojoization pojo = new Pojoization(reporter);
        if (m_ignoreAnnotations) {
            pojo.disableAnnotationProcessing();
        }
        if (!m_ignoreLocalXSD) {
            pojo.setUseLocalXSD();
        }

        Path classpath = getClasspath();
        classpath.addJavaRuntime();

        // Adding the input jar or directory
        if (m_classpath == null) {
            m_classpath = createClasspath();
        }
        Path element = m_classpath.createPath();
        if (m_input != null) {
            element.setLocation(m_input.getAbsoluteFile());
        } else if (m_directory != null) {
            element.setLocation(m_directory.getAbsoluteFile());
        }
        m_classpath.add(element);

        ClassLoader loader = getProject().createClassLoader(getClasspath());
        if (m_input != null) {
            pojo.pojoization(m_input, m_output, m_metadata, loader);
        } else {
            pojo.directoryPojoization(m_directory, m_metadata, m_manifest, loader);
        }
        for (int i = 0; i < reporter.getWarnings().size(); i++) {
            log((String) reporter.getWarnings().get(i), Project.MSG_WARN);
        }
        if (reporter.getErrors().size() > 0) {
            throw new BuildException((String) reporter.getErrors().get(0));
        }

        if (m_input != null) {
            String out;
            if (m_output.getName().equals("_out.jar")) {
                if (m_input.delete()) {
                    if (!m_output.renameTo(m_input)) {
                        log("Cannot rename the output jar to " + m_input.getAbsolutePath(), Project.MSG_WARN);
                    }
                } else {
                    log("Cannot delete the input file : " + m_input.getAbsolutePath(), Project.MSG_WARN);
                }
                out = m_input.getAbsolutePath();
            } else {
                out = m_output.getAbsolutePath();
            }

            log("Bundle manipulation - SUCCESS");
            log("Output file : " + out);
        } else {
            log("Manipulation - SUCCESS");
            log("Output files : " + m_directory.getAbsolutePath());
            if (m_manifest != null) {
                log("Manifest : " + m_manifest.getAbsolutePath());
            }

        }

    }