private boolean createOrUpdateFabric8MavenPlugin()

in plugin/src/main/java/io/fabric8/maven/plugin/mojo/infra/SetupMojo.java [100:188]
81 lines of code
19 McCabe index (conditional complexity)

    private boolean createOrUpdateFabric8MavenPlugin(Document doc) throws MojoExecutionException {
        boolean updated = false;
        String latestVersion;
        try {
            latestVersion = MavenUtil.getVersion(PLUGIN_GROUPID, PLUGIN_ARTIFACTID);
        } catch (IOException e) {
            throw new MojoExecutionException(e.getMessage(), e);
        }

        // lets check that there's a property defined
        String currentVersion = project.getProperties().getProperty(FABRIC8_MAVEN_PLUGIN_VERSION_PROPERTY);
        String versionExpression = "${" + FABRIC8_MAVEN_PLUGIN_VERSION_PROPERTY + "}";
        Element fmpPlugin = findPlugin(doc, PLUGIN_GROUPID, PLUGIN_ARTIFACTID);
        boolean pluginMissing = fmpPlugin == null;
        if (updateVersion || pluginMissing) {
            if (useVersionProperty) {
                Element documentElement = doc.getDocumentElement();
                Element properties = firstChild(documentElement, "properties");
                if (properties == null) {
                    properties = addChildAfter(appendAfterLastElement(properties, doc.createTextNode("\n      ")), "properties");
                }
                if (Strings.isNullOrBlank(currentVersion)) {
                    addChildAfter(appendAfterLastElement(properties, doc.createTextNode("\n    ")), FABRIC8_MAVEN_PLUGIN_VERSION_PROPERTY, latestVersion);
                    updated = true;
                } else if (!Objects.equals(currentVersion, latestVersion)) {
                    Element propertyElement = DomHelper.firstChild(properties, FABRIC8_MAVEN_PLUGIN_VERSION_PROPERTY);
                    if (propertyElement != null) {
                        propertyElement.setTextContent(latestVersion);
                        updated = true;
                    }
                }
            } else {
                versionExpression = latestVersion;
            }
        }

        if (pluginMissing) {
            fmpPlugin = findOrAddPlugin(doc, PLUGIN_GROUPID, PLUGIN_ARTIFACTID, versionExpression);
            updated = true;
        }
        if (updateVersion || pluginMissing) {
            String version = DomHelper.firstChildTextContent(fmpPlugin, "version");
            if (version == null || !version.equals(versionExpression)) {
                Element versionElement = DomHelper.firstChild(fmpPlugin, "version");
                if (versionElement == null) {
                    Element artifactId = DomHelper.firstChild(fmpPlugin, "artifactId");
                    Text textNode = doc.createTextNode("\n        ");
                    if (artifactId != null) {
                        addChildAfter(artifactId, textNode);
                    } else {
                        appendAfterLastElement(fmpPlugin, textNode);
                    }
                    addChildAfter(textNode, "version", versionExpression);
                } else {
                    versionElement.setTextContent(versionExpression);
                }
                updated = true;
            }
        }
        if (pluginMissing) {
            Element executions = firstChild(fmpPlugin, "executions");
            if (executions == null) {
                executions = addChildAfter(appendAfterLastElement(fmpPlugin, doc.createTextNode("\n        ")), "executions");
            } else {
                // lets remove all the children to be sure
                DomHelper.removeChildren(executions);
            }
            executions.appendChild(doc.createTextNode("\n          "));
            Element execution = DomHelper.addChildElement(executions, "execution");
            execution.appendChild(doc.createTextNode("\n            "));

            DomHelper.addChildElement(execution, "id", "fmp");
            execution.appendChild(doc.createTextNode("\n            "));

            Element goals = DomHelper.addChildElement(execution, "goals");
            execution.appendChild(doc.createTextNode("\n          "));

            String[] goalNames = {"resource", "helm", "build"};
            for (String goalName : goalNames) {
                goals.appendChild(doc.createTextNode("\n              "));
                DomHelper.addChildElement(goals, "goal", goalName);
            }
            goals.appendChild(doc.createTextNode("\n            "));

            executions.appendChild(doc.createTextNode("\n        "));
            updated = true;
        }
        return updated;
    }