private List getPatternsFromFile()

in apache-rat-plugin/src/main/java/org/apache/rat/mp/AbstractRatMojo.java [361:402]

• 42 lines of code
• 19 McCabe index (conditional complexity)

    private List<String> getPatternsFromFile(File pFile, String pCharset) throws MojoExecutionException {
    	InputStream is = null;
    	BufferedInputStream bis = null;
    	Reader r = null;
    	BufferedReader br = null;
    	Throwable th = null;
    	final List<String> patterns = new ArrayList<>();
    	try {
    		is = new FileInputStream(pFile);
    		bis = new BufferedInputStream(is);
    		r = new InputStreamReader(bis, pCharset);
    		br = new BufferedReader(r);
    		for (;;) {
    			final String s = br.readLine();
    			if (s == null) {
    				break;
    			}
    			patterns.add(s);
    		}
    		br.close();
    		br = null;
    		r.close();
    		r = null;
    		bis.close();
    		bis = null;
    		is.close();
    		is = null;
    	} catch (Throwable t) {
    		th = t;
    	} finally {
    		if (br != null) { try { br.close(); } catch (Throwable t) { if (th == null) { th = t; } } }
    		if (r != null) { try { r.close(); } catch (Throwable t) { if (th == null) { th = t; } } }
    		if (bis != null) { try { bis.close(); } catch (Throwable t) { if (th == null) { th = t; } } }
    		if (is != null) { try { is.close(); } catch (Throwable t) { if (th == null) { th = t; } } }
    	}
    	if (th != null) {
    		if (th instanceof RuntimeException) { throw (RuntimeException) th; }
    		if (th instanceof Error) { throw (Error) th; }
    		throw new MojoExecutionException(th.getMessage(), th);
    	}
    	return patterns;
    }