private String buildString()

in httpcore5/src/main/java/org/apache/hc/core5/net/URIBuilder.java [397:469]
73 lines of code
30 McCabe index (conditional complexity)

    private String buildString() {
        final StringBuilder sb = new StringBuilder();
        if (this.scheme != null) {
            sb.append(this.scheme).append(':');
        }
        if (this.encodedSchemeSpecificPart != null) {
            sb.append(this.encodedSchemeSpecificPart);
        } else {
            final boolean authoritySpecified;
            if (this.encodedAuthority != null) {
                sb.append("//").append(this.encodedAuthority);
                authoritySpecified = true;
            } else if (this.host != null) {
                sb.append("//");
                if (this.encodedUserInfo != null) {
                    sb.append(this.encodedUserInfo).append("@");
                } else if (this.userInfo != null) {
                    final int idx = this.userInfo.indexOf(':');
                    if (idx != -1) {
                        PercentCodec.encode(sb, this.userInfo.substring(0, idx), this.charset,
                                encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.UNRESERVED : PercentCodec.USERINFO, false);
                        sb.append(':');
                        PercentCodec.encode(sb, this.userInfo.substring(idx + 1), this.charset,
                                encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.UNRESERVED : PercentCodec.USERINFO, false);
                    } else {
                        PercentCodec.encode(sb, this.userInfo, this.charset,
                                encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.UNRESERVED : PercentCodec.USERINFO, false);
                    }
                    sb.append("@");
                }
                if (InetAddressUtils.isIPv6(this.host)) {
                    sb.append("[").append(this.host).append("]");
                } else {
                    PercentCodec.encode(sb, this.host, this.charset,
                            encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.UNRESERVED : PercentCodec.REG_NAME, false);
                }
                if (this.port >= 0) {
                    sb.append(":").append(this.port);
                }
                authoritySpecified = true;
            } else {
                authoritySpecified = false;
            }
            if (this.encodedPath != null) {
                if (authoritySpecified && !TextUtils.isEmpty(this.encodedPath) && !this.encodedPath.startsWith("/")) {
                    sb.append('/');
                }
                sb.append(this.encodedPath);
            } else if (this.pathSegments != null) {
                formatPath(sb, this.pathSegments, !authoritySpecified && this.pathRootless, this.charset,
                        encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.UNRESERVED : PercentCodec.PATH_SEGMENT);
            }
            if (this.encodedQuery != null) {
                sb.append("?").append(this.encodedQuery);
            } else if (this.queryParams != null && !this.queryParams.isEmpty()) {
                sb.append("?");
                formatQuery(sb, this.queryParams, this.charset,
                        encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.UNRESERVED : PercentCodec.QUERY, false);
            } else if (this.query != null) {
                sb.append("?");
                PercentCodec.encode(sb, this.query, this.charset,
                        encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.URIC : PercentCodec.QUERY, false);
            }
        }
        if (this.encodedFragment != null) {
            sb.append("#").append(this.encodedFragment);
        } else if (this.fragment != null) {
            sb.append("#");
            PercentCodec.encode(sb, this.fragment, this.charset,
                    encodingPolicy == EncodingPolicy.ALL_RESERVED ? PercentCodec.URIC : PercentCodec.FRAGMENT, false);
        }
        return sb.toString();
    }