private Library()

in java/org/apache/tomcat/jni/Library.java [32:93]
60 lines of code
17 McCabe index (conditional complexity)

    private Library() throws Exception {
        boolean loaded = false;
        StringBuilder err = new StringBuilder();
        File binLib = new File(System.getProperty(CATALINA_HOME_PROP), "bin");
        for (int i = 0; i < NAMES.length; i++) {
            File library = new File(binLib, System.mapLibraryName(NAMES[i]));
            try {
                System.load(library.getAbsolutePath());
                loaded = true;
            } catch (VirtualMachineError t) {
                throw t;
            } catch (Throwable t) {
                if (library.exists()) {
                    // File exists but failed to load
                    throw t;
                }
                if (i > 0) {
                    err.append(", ");
                }
                err.append(t.getMessage());
            }
            if (loaded) {
                break;
            }
        }
        if (!loaded) {
            String path = System.getProperty("java.library.path");
            String [] paths = path.split(File.pathSeparator);
            for (String value : NAMES) {
                try {
                    System.loadLibrary(value);
                    loaded = true;
                } catch (VirtualMachineError t) {
                    throw t;
                } catch (Throwable t) {
                    String name = System.mapLibraryName(value);
                    for (String s : paths) {
                        File fd = new File(s, name);
                        if (fd.exists()) {
                            // File exists but failed to load
                            throw t;
                        }
                    }
                    if (err.length() > 0) {
                        err.append(", ");
                    }
                    err.append(t.getMessage());
                }
                if (loaded) {
                    break;
                }
            }
        }
        if (!loaded) {
            StringBuilder names = new StringBuilder();
            for (String name : NAMES) {
                names.append(name);
                names.append(", ");
            }
            throw new LibraryNotFoundError(names.substring(0, names.length() -2), err.toString());
        }
    }