private static void mergeConfiguration()

in src/main/java/org/apache/sling/provisioning/model/MergeUtility.java [301:368]
55 lines of code
15 McCabe index (conditional complexity)

    private static void mergeConfiguration(final Configuration baseConfig, final Configuration mergeConfig) {
        // check for merge mode
        final boolean isNew = baseConfig.getProperties().isEmpty();
        if ( isNew ) {
            copyConfigurationProperties(baseConfig, mergeConfig);
            final Object mode = mergeConfig.getProperties().get(ModelConstants.CFG_UNPROCESSED_MODE);
            if ( mode != null ) {
                baseConfig.getProperties().put(ModelConstants.CFG_UNPROCESSED_MODE, mode);
            }
        } else {
            final boolean baseIsRaw = baseConfig.getProperties().get(ModelConstants.CFG_UNPROCESSED) != null;
            final boolean mergeIsRaw = mergeConfig.getProperties().get(ModelConstants.CFG_UNPROCESSED) != null;
            // simplest case, both are raw
            if ( baseIsRaw && mergeIsRaw ) {
                final String cfgMode = (String)mergeConfig.getProperties().get(ModelConstants.CFG_UNPROCESSED_MODE);
                if ( cfgMode == null || ModelConstants.CFG_MODE_OVERWRITE.equals(cfgMode) ) {
                    copyConfigurationProperties(baseConfig, mergeConfig);
                } else {
                    final Configuration newConfig = new Configuration(baseConfig.getPid(), baseConfig.getFactoryPid());
                    getProcessedConfiguration(null, newConfig, baseConfig, false, null);
                    clearConfiguration(baseConfig);
                    copyConfigurationProperties(baseConfig, newConfig);

                    clearConfiguration(newConfig);
                    getProcessedConfiguration(null, newConfig, mergeConfig, false, null);

                    if ( baseConfig.isSpecial() ) {
                        final String baseValue = baseConfig.getProperties().get(baseConfig.getPid()).toString();
                        final String mergeValue = newConfig.getProperties().get(baseConfig.getPid()).toString();
                        baseConfig.getProperties().put(baseConfig.getPid(), baseValue + "\n" + mergeValue);
                    } else {
                        copyConfigurationProperties(baseConfig, newConfig);
                    }
                }

            // another simple case, both are not raw
            } else if ( !baseIsRaw && !mergeIsRaw ) {
                // merge mode is always overwrite
                clearConfiguration(baseConfig);
                copyConfigurationProperties(baseConfig, mergeConfig);

            // base is not raw but merge is
            } else if ( !baseIsRaw && mergeIsRaw ) {
                final String cfgMode = (String)mergeConfig.getProperties().get(ModelConstants.CFG_UNPROCESSED_MODE);
                if ( cfgMode == null || ModelConstants.CFG_MODE_OVERWRITE.equals(cfgMode) ) {
                    clearConfiguration(baseConfig);
                    copyConfigurationProperties(baseConfig, mergeConfig);
                } else {
                    final Configuration newMergeConfig = new Configuration(mergeConfig.getPid(), mergeConfig.getFactoryPid());
                    getProcessedConfiguration(null, newMergeConfig, mergeConfig, false, null);

                    if ( baseConfig.isSpecial() ) {
                        final String baseValue = baseConfig.getProperties().get(baseConfig.getPid()).toString();
                        final String mergeValue = newMergeConfig.getProperties().get(baseConfig.getPid()).toString();
                        baseConfig.getProperties().put(baseConfig.getPid(), baseValue + "\n" + mergeValue);
                    } else {
                        copyConfigurationProperties(baseConfig, newMergeConfig);
                    }
                }

                // base is raw, but merge is not raw
            } else {
                // merge mode is always overwrite
                clearConfiguration(baseConfig);
                copyConfigurationProperties(baseConfig, mergeConfig);
            }
        }
    }