public static final MojoDescriptor PRE_CLEAN = createMojoDescriptor("pre-clean");

    public static final MojoDescriptor CLEAN = createMojoDescriptor("clean");

    public static final MojoDescriptor POST_CLEAN = createMojoDescriptor("post-clean");

    // default (or at least some of them)

    public static final MojoDescriptor VALIDATE = createMojoDescriptor("validate");

        return artifactResolver.resolve(request);
    }

    //    public void addProxy( String protocol, String host, int port, String username, String password,
    //                          String nonProxyHosts )
    //    {
    //        ProxyInfo proxyInfo = new ProxyInfo();
    //        proxyInfo.setHost( host );
    //        proxyInfo.setType( protocol );
    //        proxyInfo.setPort( port );

     * builds an empty map.
     *
     * <p>If the {@code resolve} parameter value is {@code false}, then some or all map values may
     * be null instead of the actual module name. This option can avoid the cost of reading module
     * descriptors when only the modules existence needs to be verified.</p>
     *
     * <p><b>Algorithm:</b>
     * If the given path is a directory, then there is a choice:
     * </p>

                file = findArtifact(project.getExecutionProject(), artifact);
            }
            return file;
        }

        // No project, but most certainly a dependency which has been built previously
        File packagedArtifactFile = findInProjectLocalRepository(artifact);
        if (packagedArtifactFile != null && packagedArtifactFile.exists()) {

            // Just returning an Integer with the index here is faster, but requires a lot of if/then/else to check for
            // -1
            //  or QUALIFIERS.size and then resort to lexical ordering. Most comparisons are decided by the first
            // character,
            // so this is still fast. If more characters are needed then it requires a lexical sort anyway.

    /**
     * Return the protocol name.
     * <br>
     * E.g: for input
     * <code>http://www.codehaus.org</code> this method will return <code>http</code>
     *
     * @param url the url
     * @return the host name
     */
    private static String protocol(final String url) {
        final int pos = url.indexOf(':');

        if (pos == -1) {
            return "";
        }

                delegate = standardDelegate;
            }
        }

        return delegate.calculateLifecycleMappings(session, project, lifecycle, lifecyclePhase);
    }

    /**
     * Post-processes the effective configuration for the specified mojo execution. This step discards all parameters
     * from the configuration that are not applicable to the mojo and injects the default values for any missing

                exceptionMessage = t.getClass().getSimpleName();
            }

            if (t instanceof UnknownHostException && !fullMessage.contains("host")) {
                fullMessage = join(fullMessage, "Unknown host " + exceptionMessage);
            } else if (!fullMessage.contains(exceptionMessage)) {
                fullMessage = join(fullMessage, exceptionMessage);
            }
        }

        if (auth != null) {
            int hash = (auth.getUsername() + auth.getPassword()).hashCode();
            buffer.append(hash).append('@');
        }

        // consider the URL (instead of the id) as this most closely relates to the contents in the repo
        buffer.append(repository.getUrl());

        return buffer.toString();
    }

    private void writeLastUpdated(File touchfile, String key, String error) {

                            null,
                            "must be unique but found duplicate proxy with id " + proxy.getId());
                }
                validateStringNotEmpty(problems, "proxies.proxy.host", proxy.getHost(), proxy.getId());

                try {
                    Integer.parseInt(proxy.getPortString());
                } catch (NumberFormatException e) {
                    addViolation(