private void replaceProperties()

in maven-wrapper-plugin/src/main/java/org/apache/maven/plugins/wrapper/WrapperMojo.java [258:313]
49 lines of code
8 McCabe index (conditional complexity)

    private void replaceProperties(String wrapperVersion, Path targetFolder) throws MojoExecutionException {
        String repoUrl = getRepoUrl();

        String distributionUrl = repoUrl + "/org/apache/maven/apache-maven/" + mavenVersion + "/apache-maven-"
                + mavenVersion + "-bin.zip";
        String wrapperUrl = repoUrl + "/org/apache/maven/wrapper/maven-wrapper/" + wrapperVersion + "/maven-wrapper-"
                + wrapperVersion + ".jar";

        if (mvndVersion != null && mvndVersion.length() > 0) {
            // now maven-mvnd is not published to the central repo.
            distributionUrl = "https://archive.apache.org/dist/maven/mvnd/" + mvndVersion + "/maven-mvnd-" + mvndVersion
                    + "-bin.zip";
        }

        Path wrapperPropertiesFile = targetFolder.resolve("maven-wrapper.properties");

        getLog().info("Configuring .mvn/wrapper/maven-wrapper.properties to use "
                + buffer().strong("Maven " + mavenVersion) + " and download from " + repoUrl);

        final String license = "# Licensed to the Apache Software Foundation (ASF) under one%n"
                + "# or more contributor license agreements.  See the NOTICE file%n"
                + "# distributed with this work for additional information%n"
                + "# regarding copyright ownership.  The ASF licenses this file%n"
                + "# to you under the Apache License, Version 2.0 (the%n"
                + "# \"License\"); you may not use this file except in compliance%n"
                + "# with the License.  You may obtain a copy of the License at%n"
                + "#%n"
                + "#   http://www.apache.org/licenses/LICENSE-2.0%n"
                + "#%n"
                + "# Unless required by applicable law or agreed to in writing,%n"
                + "# software distributed under the License is distributed on an%n"
                + "# \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY%n"
                + "# KIND, either express or implied.  See the License for the%n"
                + "# specific language governing permissions and limitations%n"
                + "# under the License.%n";

        try (BufferedWriter out = Files.newBufferedWriter(wrapperPropertiesFile, StandardCharsets.UTF_8)) {
            out.append(String.format(Locale.ROOT, license));
            out.append("distributionUrl=" + distributionUrl + System.lineSeparator());
            if (distributionSha256Sum != null) {
                out.append("distributionSha256Sum=" + distributionSha256Sum + System.lineSeparator());
            }
            out.append("wrapperUrl=" + wrapperUrl + System.lineSeparator());
            if (wrapperSha256Sum != null) {
                out.append("wrapperSha256Sum=" + wrapperSha256Sum + System.lineSeparator());
            }
            if (alwaysDownload) {
                out.append("alwaysDownload=" + Boolean.TRUE + System.lineSeparator());
            }
            if (alwaysUnpack) {
                out.append("alwaysUnpack=" + Boolean.TRUE + System.lineSeparator());
            }
        } catch (IOException ioe) {
            throw new MojoExecutionException("Can't create maven-wrapper.properties", ioe);
        }
    }